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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.549 by root, Tue May 11 13:19:59 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	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;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
171	=back	258	=back
172		259
173	=cut	260	=cut
174		261
175	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	269	my $msg = join "", @_;
178		270
179	$msg .= "\n"	271	$msg .= "\n"
180	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
181		273
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		275
184	utf8::encode $msg;
185	LOG llevError, $msg;	276	LOG llevWarn, $msg;
186	};	277	};
187	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
188		292
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	303	for my $pkg (qw(
200	cf::global cf::attachable	304	cf::global cf::attachable
201	cf::object cf::object::player	305	cf::object cf::object::player
202	cf::client cf::player	306	cf::client cf::player
203	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
204	cf::map cf::party cf::region	309	cf::party cf::region
205	)) {	310	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	312	}
209		313
210	$Event::DIED = sub {	314	$EV::DIED = sub {
211	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
212	};	316	};
213		317
214	#############################################################################	318	#############################################################################
215		319
216	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	343	$d
240	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
241	}	345	}
242		346
243	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
244		348
245	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
246		350
247	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
248		352
249	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
250		354
251	=cut	355	=cut
252		356
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		358
255	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
257		387
258	=item cf::lock_wait $string	388	=item cf::lock_wait $string
259		389
260	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
261		391
262	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
263		393
264	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
267	returned.	397	returned.
268		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
269	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
271		404
272	=item $locked = cf::lock_active $string	405	=item $locked = cf::lock_active $string
273		406
274	Return true if the lock is currently active, i.e. somebody has locked it.	407	Return true if the lock is currently active, i.e. somebody has locked it.
275		408
276	=cut	409	=cut
277		410
278	our %LOCK;	411	our $LOCKS = new Coro::SemaphoreSet;
279		412
280	sub lock_wait($) {	413	sub lock_wait($) {
281	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	415	}
289		416
290	sub lock_acquire($) {	417	sub lock_acquire($) {
291	my ($key) = @_;	418	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	419	}
303		420
304	sub lock_active($) {	421	sub lock_active($) {
305	my ($key) = @_;	422	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	423	}
309		424
310	sub freeze_mainloop {	425	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
312		427
313	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	429	}
		430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
315	};	495	}
316	$TICK_WATCHER->stop;	496	};
317	$guard	497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
318	}	511	}
319		512
320	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
321		514
322	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		520
328	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
329		522
330	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
331		524
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	525	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	526	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	528	acceptable.
336		529
337	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	535	=cut
343		536
344	sub sync_job(&) {	537	sub sync_job(&) {
345	my ($job) = @_;	538	my ($job) = @_;
346		539
347	if ($Coro::current == $Coro::main) {	540	if (in_main) {
348	my $time = Event::time;	541	my $time = AE::time;
349		542
350	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
352		545
353	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	547
355	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
356		549
357	my $busy = 1;	550	my $busy = 1;
358	my @res;	551	my @res;
359		552
360	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	555	@res = eval { $job->() };
362	warn $@ if $@;	556	error $@ if $@;
363	undef $busy;	557	undef $busy;
364	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
365		559
366	while ($busy) {	560	while ($busy) {
367	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
368	}	565	}
		566	}
369		567
370	$time = Event::time - $time;	568	my $time = AE::time - $time;
371		569
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	570	$TICK_START += $time; # do not account sync jobs to server load
376		571
377	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
378	} else {	573	} else {
379	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
380		575
…		…
400	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
401		596
402	$coro	597	$coro
403	}	598	}
404		599
405	=item fork_call { }, $args	600	=item fork_call { }, @args
406		601
407	Executes the given code block with the given arguments in a seperate	602	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	603	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	604	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	605	never block itself or use any form of event handling.
411		606
412	=cut	607	=cut
		608
		609	sub post_fork {
		610	reset_signals;
		611	}
413		612
414	sub fork_call(&@) {	613	sub fork_call(&@) {
415	my ($cb, @args) = @_;	614	my ($cb, @args) = @_;
416		615
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	616	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	617	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	618	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		619
422	if (my $pid = fork) {	620	my @res = Coro::Util::fork_eval {
423	close $fh2;	621	cf::post_fork;
		622	&$cb
		623	} @args;
424		624
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	625	wantarray ? @res : $res[-1]
426	warn "pst<$res>" unless $res =~ /^pst/;	626	}
427	$res = Coro::Storable::thaw $res;
428		627
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	628	sub objinfo {
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;
436	local $SIG{__WARN__};
437	local $SIG{__DIE__};
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442
443	my @res = eval { $cb->(@args) };
444
445	open my $fh, ">", \my $buf
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449
450	warn "writing ", length $buf;
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456
457	warn $@ if $@;
458	_exit 0;
459	}	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
460	}	664	}
461		665
462	=item $value = cf::db_get $family => $key	666	=item $value = cf::db_get $family => $key
463		667
464	Returns a single value from the environment database.	668	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	670	=item cf::db_put $family => $key => $value
467		671
468	Stores the given C<$value> in the family. It can currently store binary	672	Stores the given C<$value> in the family. It can currently store binary
469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
470		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
471	=cut	680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
472		701
473	our $DB;	702	our $DB;
474		703
475	sub db_init {	704	sub db_init {
476	unless ($DB) {	705	$DB ||= db_table "db";
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {
480	eval {
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}
490	}	706	}
491		707
492	sub db_get($$) {	708	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	709	my $key = "$_[0]/$_[1]";
494		710
495	cf::sync_job {	711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
496	BDB::db_get $DB, undef, $key, my $data;	714	BDB::db_get $DB, undef, $key, my $data;
497		715
498	$! ? ()	716	$! ? ()
499	: $data	717	: $data
500	}
501	}	718	}
502		719
503	sub db_put($$$) {	720	sub db_put($$$) {
504	BDB::dbreq_pri 4;	721	BDB::dbreq_pri 4;
505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
544	if (1) {	761	if (1) {
545	$md5 =	762	$md5 =
546	join "\x00",	763	join "\x00",
547	$processversion,	764	$processversion,
548	map {	765	map {
549	Coro::cede;	766	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	767	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	768	} 0.. $#$src;
552		769
553		770
554	my $dbmd5 = db_get cache => "$id/md5";	771	my $dbmd5 = db_get cache => "$id/md5";
…		…
561		778
562	my $t1 = Time::HiRes::time;	779	my $t1 = Time::HiRes::time;
563	my $data = $process->(\@data);	780	my $data = $process->(\@data);
564	my $t2 = Time::HiRes::time;	781	my $t2 = Time::HiRes::time;
565		782
566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
567		784
568	db_put cache => "$id/data", $data;	785	db_put cache => "$id/data", $data;
569	db_put cache => "$id/md5" , $md5;	786	db_put cache => "$id/md5" , $md5;
570	db_put cache => "$id/meta", $meta;	787	db_put cache => "$id/meta", $meta;
571		788
…		…
581		798
582	=cut	799	=cut
583		800
584	sub datalog($@) {	801	sub datalog($@) {
585	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
586	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
587	}	804	}
588		805
589	=back	806	=back
590		807
591	=cut	808	=cut
592		809
593	#############################################################################	810	#############################################################################
594		811
595	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
596		813
597	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
598	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
599	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
600		817
601	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
602	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
603	Crossfire TRT).	820	Deliantra).
604		821
605	=over 4	822	=over 4
606		823
607	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
608		825
…		…
652	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
653		870
654	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
655	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
656		873
657	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
658	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
659		876
660	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
661		878
662	=over 4	879	=over 4
…		…
786		1003
787	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
788	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
789		1006
790	} elsif (ref $type) {	1007	} elsif (ref $type) {
791	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
792		1009
793	} else {	1010	} else {
794	shift @arg;	1011	shift @arg;
795	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
796	}	1013	}
797	}	1014	}
798	}	1015	}
799		1016
800	sub _object_attach {	1017	sub _object_attach {
…		…
810	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
811	}	1028	}
812		1029
813	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
814	} else {	1031	} else {
815	warn "object uses attachment '$name' which is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
816	}	1033	}
817		1034
818	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
819	}	1036	}
820		1037
…		…
860	";	1077	";
861	die if $@;	1078	die if $@;
862	}	1079	}
863		1080
864	our $override;	1081	our $override;
865	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
866		1083
867	sub override {	1084	sub override {
868	$override = 1;	1085	$override = 1;
869	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
870	}	1087	}
871		1088
872	sub do_invoke {	1089	sub do_invoke {
873	my $event = shift;	1090	my $event = shift;
874	my $callbacks = shift;	1091	my $callbacks = shift;
875		1092
876	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
877		1094
878	local $override;	1095	local $override;
879		1096
880	for (@$callbacks) {	1097	for (@$callbacks) {
881	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
882		1099
883	if ($@) {	1100	if ($@) {
884	warn "$@";
885	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
886	override;	1102	override;
887	}	1103	}
888		1104
889	return 1 if $override;	1105	return 1 if $override;
890	}	1106	}
891		1107
892	0	1108	0
893	}	1109	}
894		1110
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1112
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1114
899	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
900		1116
901	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
902	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
903	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1120
905	=back	1121	=back
906		1122
907	=cut	1123	=cut
908		1124
909	#############################################################################	1125	#############################################################################
910	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
911		1169
912	sub reattach {	1170	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1172	my ($obj) = @_;
915		1173
		1174	# no longer needed after getting rid of delete_package?
916	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
917		1176
918	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
919		1178
920	@$registry = ();	1179	@$registry = ();
921		1180
…		…
926	for (@$attach) {	1185	for (@$attach) {
927	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
928	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
929	}	1188	}
930	} else {	1189	} else {
931	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
932	}	1191	}
933	}	1192	}
934	}	1193	}
935		1194
936	cf::attachable->attach (	1195	cf::attachable->attach (
937	prio => -1000000,	1196	prio => -1000000,
938	on_instantiate => sub {	1197	on_instantiate => sub {
939	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
940		1199
941	$data = from_json $data;	1200	$data = decode_json $data;
942		1201
943	for (@$data) {	1202	for (@$data) {
944	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
945		1204
946	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1221	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
964		1223
965	sync_job {	1224	sync_job {
966	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
969		1230
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
974	close $fh;	1238	aio_close $fh;
975		1239
976	if (@$objs) {	1240	if (@$objs) {
977	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
978	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
981	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
982	close $fh;	1249	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
984	}	1251	}
985	} else {	1252	} else {
986	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
987	}	1254	}
988		1255
989	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1260	} else {
991	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
992	}	1262	}
993	} else {	1263	} else {
994	aio_unlink $filename;	1264	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
996	}	1266	}
997	}	1267	};
998	}	1268	}
999		1269
1000	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
1002		1272
…		…
1014	or return;	1284	or return;
1015		1285
1016	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1288	or return;
		1289
1019	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
1020	}	1292	}
1021		1293
		1294	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
1024	return ($data, $av);	1299	($data, $av)
1025	}	1300	}
1026		1301
1027	=head2 COMMAND CALLBACKS	1302	=head2 COMMAND CALLBACKS
1028		1303
1029	=over 4	1304	=over 4
…		…
1083	my ($name, $cb) = @_;	1358	my ($name, $cb) = @_;
1084		1359
1085	$EXTICMD{$name} = $cb;	1360	$EXTICMD{$name} = $cb;
1086	}	1361	}
1087		1362
		1363	use File::Glob ();
		1364
1088	cf::player->attach (	1365	cf::player->attach (
1089	on_command => sub {	1366	on_unknown_command => sub {
1090	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
1091		1368
1092	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
1093	or return;	1370	or return;
1094		1371
…		…
1102	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
1103		1380
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1382
1106	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
1112	} else {	1398	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1400	}
1115		1401
1116	cf::override;	1402	cf::override;
1117	},	1403	},
1118	);	1404	);
1119		1405
		1406	# "readahead" all extensions
		1407	sub cache_extensions {
		1408	my $grp = IO::AIO::aio_group;
		1409
		1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1411	for (grep /\.ext$/, @{$_[0]}) {
		1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1413	}
		1414	};
		1415
		1416	$grp
		1417	}
		1418
1120	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
1121	cf::sync_job {	1422	cf::sync_job {
1122	my %todo;	1423	my %todo;
1123		1424
1124	for my $path (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
1125	next unless -r $path;	1426	next unless -r $path;
…		…
1143		1444
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1447
1147	$ext{source} =	1448	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1449	"package $pkg; use common::sense;\n"
1149	. "#line 1 \"$path\"\n{\n"	1450	. "#line 1 \"$path\"\n{\n"
1150	. $source	1451	. $source
1151	. "\n};\n1";	1452	. "\n};\n1";
1152		1453
1153	$todo{$base} = \%ext;	1454	$todo{$base} = \%ext;
1154	}	1455	}
1155		1456
		1457	my $pass = 0;
1156	my %done;	1458	my %done;
1157	while (%todo) {	1459	while (%todo) {
1158	my $progress;	1460	my $progress;
1159		1461
		1462	++$pass;
		1463
		1464	ext:
1160	while (my ($k, $v) = each %todo) {	1465	while (my ($k, $v) = each %todo) {
1161	for (split /,\s*/, $v->{meta}{depends}) {	1466	for (split /,\s*/, $v->{meta}{depends}) {
1162	goto skip	1467	next ext
1163	unless exists $done{$_};	1468	unless exists $done{$_};
1164	}	1469	}
1165		1470
1166	warn "... loading '$k' into '$v->{pkg}'\n";	1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1167		1472
1168	unless (eval $v->{source}) {	1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
1169	my $msg = $@ ? "$v->{path}: $@\n"	1476	error "$v->{path}: $@\n";
1170	: "$v->{base}: extension inactive.\n";
1171		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1172	if (exists $v->{meta}{mandatory}) {	1479	if exists $v->{meta}{mandatory};
1173	warn $msg;	1480
1174	warn "mandatory extension failed to load, exiting.\n";	1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1175	exit 1;	1482	delete $todo{$k};
1176	}	1483	} else {
1177		1484	$done{$k} = delete $todo{$k};
1178	warn $msg;	1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
1179	}	1490	}
1180
1181	$done{$k} = delete $todo{$k};
1182	push @EXTS, $v->{pkg};
1183	$progress = 1;
1184	}	1491	}
1185		1492
1186	skip:	1493	unless ($progress) {
1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1188	unless $progress;	1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
1189	}	1501	}
1190	};	1502	};
1191	}	1503	}
1192		1504
1193	#############################################################################	1505	#############################################################################
1194		1506
1195	=back	1507	=back
1196		1508
1197	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
1198		1510
1199	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
1200		1512
1201	=cut	1513	=cut
1202		1514
1203	package cf::player;	1515	package cf::player;
1204		1516
1205	use Coro::AIO;	1517	use Coro::AIO;
1206		1518
1207	=head3 cf::player	1519	=head3 cf::player
1208		1520
1209	=over 4	1521	=over 4
		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
1210		1536
1211	=item cf::player::find $login	1537	=item cf::player::find $login
1212		1538
1213	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1214		1540
…		…
1233		1559
1234	sub exists($) {	1560	sub exists($) {
1235	my ($login) = @_;	1561	my ($login) = @_;
1236		1562
1237	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
1239	}	1565	}
1240		1566
1241	sub find($) {	1567	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1569	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1580
1255	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
1256	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
1257	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1258	}	1590	}
1259	}	1591	}
1260	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1261		1606
1262	sub save($) {	1607	sub save($) {
1263	my ($pl) = @_;	1608	my ($pl) = @_;
1264		1609
1265	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1270	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1271		1616
1272	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1274		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1275	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1276	Coro::cede;	1626	cf::cede_to_tick;
1277	}	1627	}
1278		1628
1279	sub new($) {	1629	sub new($) {
1280	my ($login) = @_;	1630	my ($login) = @_;
1281		1631
…		…
1287	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1288		1638
1289	$self	1639	$self
1290	}	1640	}
1291		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1292	=item $pl->quit_character	1652	=item $pl->quit_character
1293		1653
1294	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1295	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1296		1656
…		…
1300	my ($pl) = @_;	1660	my ($pl) = @_;
1301		1661
1302	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1303		1663
1304	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1305	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1306		1666
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1308	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1671	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1672	ext::highscore::check ($pl->ob);
		1673
1310	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1311		1675
1312	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1314	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
…		…
1349	or return [];	1713	or return [];
1350		1714
1351	my @logins;	1715	my @logins;
1352		1716
1353	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1357		1727
1358	utf8::decode $login;	1728	utf8::decode $login;
1359	push @logins, $login;	1729	push @logins, $login;
1360	}	1730	}
1361		1731
1362	\@logins	1732	\@logins
1363	}	1733	}
1364		1734
1365	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1366		1738
1367	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1368	player. May block.	1740	player. May block.
1369		1741
1370	=cut	1742	=cut
…		…
1388	}	1760	}
1389		1761
1390	\@paths	1762	\@paths
1391	}	1763	}
1392		1764
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1766
1395	Expand crossfire pod fragments into protocol xml.	1767	Expand deliantra pod fragments into protocol xml.
1396		1768
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1444		1770
1445	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1446		1772
1447	=cut	1773	=cut
1448		1774
1449	sub ext_reply($$%) {	1775	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1451		1777
1452	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1779	}
1455		1780
1456	=item $player->ext_event ($type, %msg)	1781	=item $player->ext_msg ($type, @msg)
1457		1782
1458	Sends an ext event to the client.	1783	Sends an ext event to the client.
1459		1784
1460	=cut	1785	=cut
1461		1786
1462	sub ext_event($$%) {	1787	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1788	my ($self, $type, @msg) = @_;
1464		1789
1465	$self->ns->ext_event ($type, %msg);	1790	$self->ns->ext_msg ($type, @msg);
1466	}	1791	}
1467		1792
1468	=head3 cf::region	1793	=head3 cf::region
1469		1794
1470	=over 4	1795	=over 4
…		…
1480	=cut	1805	=cut
1481		1806
1482	sub find_by_path($) {	1807	sub find_by_path($) {
1483	my ($path) = @_;	1808	my ($path) = @_;
1484		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
1485	my ($match, $specificity);	1812	my ($match, $specificity);
1486		1813
1487	for my $region (list) {	1814	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1815	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1816	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1817	if $region->specificity > $specificity;
1491	}	1818	}
1492	}	1819	}
1493		1820
…		…
1514	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1516		1843
1517	sub generate_random_map {	1844	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1519	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1850	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1524	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1525	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1542		1872
1543	sub register {	1873	sub register {
1544	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1545	my $pkg = caller;	1875	my $pkg = caller;
1546		1876
1547	no strict;
1548	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1549		1878
1550	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1551	}	1880	}
1552		1881
1553	# also paths starting with '/'	1882	# also paths starting with '/'
1554	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1555		1884
1556	sub thawer_merge {	1885	sub thawer_merge {
1557	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1558		1887
1559	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
…		…
1564	}	1893	}
1565		1894
1566	sub normalise {	1895	sub normalise {
1567	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1568		1897
1569	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1570		1899
1571	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1572		1901
1573	# map plan:	1902	# map plan:
1574	#	1903	#
…		…
1613	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1614	return $self;	1943	return $self;
1615	}	1944	}
1616	}	1945	}
1617		1946
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1619	()	1948	()
1620	}	1949	}
1621		1950
1622	sub init {	1951	sub init {
1623	my ($self) = @_;	1952	my ($self) = @_;
…		…
1645		1974
1646	# the temporary/swap location	1975	# the temporary/swap location
1647	sub save_path {	1976	sub save_path {
1648	my ($self) = @_;	1977	my ($self) = @_;
1649		1978
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1980	"$TMPDIR/$path.map"
1652	}	1981	}
1653		1982
1654	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1655	sub uniq_path {	1984	sub uniq_path {
1656	my ($self) = @_;	1985	my ($self) = @_;
1657		1986
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1988	"$UNIQUEDIR/$path"
1660	}
1661
1662	# and all this just because we cannot iterate over
1663	# all maps in C++...
1664	sub change_all_map_light {
1665	my ($change) = @_;
1666
1667	$_->change_map_light ($change)
1668	for grep $_->outdoor, values %cf::MAP;
1669	}	1989	}
1670		1990
1671	sub decay_objects {	1991	sub decay_objects {
1672	my ($self) = @_;	1992	my ($self) = @_;
1673		1993
…		…
1686		2006
1687	sub load_header_from($) {	2007	sub load_header_from($) {
1688	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1689		2009
1690	utf8::encode $path;	2010	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1696		2019
1697	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1698		2021
1699	1	2022	1
1700	}	2023	}
…		…
1752		2075
1753	sub find;	2076	sub find;
1754	sub find {	2077	sub find {
1755	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1756		2079
		2080	cf::cede_to_tick;
		2081
1757	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1758		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1760		2086
1761	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";
1763	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1764	or return;	2089	or return;
1765		2090
1766	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1767		2092
…		…
1769	or return;	2094	or return;
1770		2095
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1774	$map->reset;	2101	$map->reset;
1775	undef $guard;
1776	return find $path;	2102	return find $path;
1777	}	2103	}
1778		2104
1779	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1780	}	2106	}
1781	}	2107	}
1782		2108
1783	sub pre_load { }	2109	sub pre_load { }
1784	sub post_load { }	2110	#sub post_load { } # XS
1785		2111
1786	sub load {	2112	sub load {
1787	my ($self) = @_;	2113	my ($self) = @_;
1788		2114
1789	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1790		2116
1791	my $path = $self->{path};	2117	my $path = $self->{path};
1792		2118
1793	{	2119	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1795		2121
		2122	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2124
1798	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1799		2126
1800	$self->alloc;	2127	$self->alloc;
1801		2128
1802	$self->pre_load;	2129	$self->pre_load;
1803	Coro::cede;	2130	cf::cede_to_tick;
1804		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2134	$self->_load_objects ($f)
1806	or return;	2135	or return;
1807		2136
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1809	if delete $self->{load_original};	2138	if delete $self->{load_original};
1810		2139
1811	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2141	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2144	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1816	}	2148	}
1817	}	2149	}
1818		2150
1819	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1820	# now do the right thing for maps	2154	# now do the right thing for maps
1821	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2157	unless $self->difficulty;
1824	Coro::cede;	2158	cf::cede_to_tick;
1825		2159
1826	unless ($self->{deny_activate}) {	2160	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2161	$self->decay_objects;
1828	$self->fix_auto_apply;	2162	$self->fix_auto_apply;
1829	$self->update_buttons;	2163	$self->update_buttons;
1830	Coro::cede;	2164	cf::cede_to_tick;
1831	$self->set_darkness_map;
1832	Coro::cede;
1833	$self->activate;	2165	$self->activate;
1834	}	2166	}
1835		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2172	}
1838		2173
1839	$self->post_load;	2174	$self->post_load;
1840	}	2175	}
1841		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1842	sub customise_for {	2180	sub customise_for {
1843	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1844		2182
1845	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1846	if $self->per_player;	2184	if $self->per_player;
…		…
1850		2188
1851	$self	2189	$self
1852	}	2190	}
1853		2191
1854	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2193	sub load_neighbours {
1856	my ($map) = @_;	2194	my ($map) = @_;
1857		2195
1858	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1859		2197
1860	for (0 .. 3) {	2198	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1862	or next;	2200	or next;
1863	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1864	or next;	2202	or next;
1865	$neigh->load;	2203	$neigh->load;
1866		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2209	}
1870		2210
1871	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1873	or next;	2214	or next;
1874	$neigh->load;	2215	$neigh->load;
1875	}	2216	}
1876	}	2217	}
1877		2218
1878	sub find_sync {	2219	sub find_sync {
1879	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1880		2221
1881	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1882	}	2226	}
1883		2227
1884	sub do_load_sync {	2228	sub do_load_sync {
1885	my ($map) = @_;	2229	my ($map) = @_;
1886		2230
1887	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1888	}	2235	}
1889		2236
1890	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1892		2239
1893	sub find_async {	2240	sub find_async {
1894	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1895		2242
1896	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1897		2244
1898	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2247	}
1901		2248
1902	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1903	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1904	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2256	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2257	$map->load if $v;
		2258	}
1909		2259
1910	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1911	}	2261	}
1912	}	2262	}
1913	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1914	};	2264	};
1915	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1916		2266
1917	()	2267	()
1918	}	2268	}
1919		2269
		2270	# common code, used by both ->save and ->swapout
1920	sub save {	2271	sub _save {
1921	my ($self) = @_;	2272	my ($self) = @_;
1922
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;
1924		2273
1925	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1926		2275
1927	return unless $self->dirty;	2276	return unless $self->dirty;
1928		2277
…		…
1934	return if $self->{deny_save};	2283	return if $self->{deny_save};
1935		2284
1936	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1937		2286
1938	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1940	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1941		2293
1942	if ($uniq) {	2294	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2297	} else {
1946	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1947	}	2299	}
1948	}	2300	}
1949		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1950	sub swap_out {	2310	sub swap_out {
1951	my ($self) = @_;	2311	my ($self) = @_;
1952		2312
1953	# save first because save cedes
1954	$self->save;
1955
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1958	return if $self->players;	2317	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;
1960	return if $self->{deny_save};
1961		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1962	$self->clear;	2328	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2329	}
1965		2330
1966	sub reset_at {	2331	sub reset_at {
1967	my ($self) = @_;	2332	my ($self) = @_;
1968		2333
…		…
1986		2351
1987	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1988		2353
1989	return if $self->players;	2354	return if $self->players;
1990		2355
1991	warn "resetting map ", $self->path;	2356	cf::trace "resetting map ", $self->path, "\n";
1992		2357
1993	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1994		2359
1995	# need to save uniques path	2360	# need to save uniques path
1996	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
2000	if $uniq;	2365	if $uniq;
2001	}	2366	}
2002		2367
2003	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
2004		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2372	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2373
2009	$self->unlink_save;	2374	$self->unlink_save;
2010	$self->destroy;	2375	$self->destroy;
2011	}	2376	}
2012		2377
2013	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
2014		2379
2015	sub nuke {	2380	sub nuke {
2016	my ($self) = @_;	2381	my ($self) = @_;
2017		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
2018	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
2019		2387
2020	$self->unlink_save;	2388	$self->unlink_save;
2021		2389
2022	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
2023	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2395
2028	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
2029		2398
2030	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
2031	}	2400	}
2032		2401
2033	=item $maps = cf::map::tmp_maps	2402	=item $maps = cf::map::tmp_maps
…		…
2075		2444
2076	sub unique_maps() {	2445	sub unique_maps() {
2077	[	2446	[
2078	map {	2447	map {
2079	utf8::decode $_;	2448	utf8::decode $_;
2080	/\.map$/	2449	s/\.map$//; # TODO future compatibility hack
		2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2451	? ()
2081	? normalise $_	2452	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2453	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2454	]
2085	}	2455	}
2086		2456
2087	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
2088		2488
2089	=back	2489	=back
2090		2490
2091	=head3 cf::object	2491	=head3 cf::object
2092		2492
…		…
2096		2496
2097	=over 4	2497	=over 4
2098		2498
2099	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
2100		2500
2101	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
2102		2503
2103	=cut	2504	=cut
2104		2505
2105	sub inv_recursive_;	2506	sub inv_recursive_;
2106	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
2109		2510
2110	sub inv_recursive {	2511	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
2112	}	2513	}
2113		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
2114	package cf;	2543	package cf;
2115		2544
2116	=back	2545	=back
2117		2546
2118	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
2127		2556
2128	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
2129		2572
2130	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2574	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
2140		2583
2141	} else {	2584	} else {
2142	my $pl = $self->contr;	2585	my $pl = $self->contr;
2143		2586
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2588	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2590
2153	} else {	2591	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2594	}
2157	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
2158	}	2606	}
2159		2607
2160	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
2161		2609
2162	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
2175		2623
2176	=item $player_object->enter_link	2624	=item $player_object->enter_link
2177		2625
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2627
2180	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
2181	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
2182		2632
2183	Will never block.	2633	Will never block.
2184		2634
2185	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
2186		2636
…		…
2206	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
2207	my ($self) = @_;	2657	my ($self) = @_;
2208		2658
2209	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
2210		2660
		2661	++$self->{_link_recursion};
		2662
2211	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
2212		2664
2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2214	if $self->map && $self->map->{path} ne "{link}";	2666	if $self->map && $self->map->{path} ne "{link}";
2215		2667
2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2217	}	2669	}
2218		2670
2219	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
2220	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
2221		2673
…		…
2238	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
2239	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
2240		2692
2241	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
2244		2696
2245	$map->load;	2697	$map->load;
2246	$map->load_diag;	2698	$map->load_neighbours;
2247		2699
2248	return unless $self->contr->active;	2700	return unless $self->contr->active;
2249	$self->activate_recursive;
2250		2701
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
2253	}	2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
		2707	$self->activate_recursive;
		2708	}
2254		2709
		2710	}
		2711
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2256		2713
2257	Moves the player to the given map-path and coordinates by first freezing	2714	Moves the player to the given map-path and coordinates by first freezing
2258	her, loading and preparing them map, calling the provided $check callback	2715	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2716	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
2261		2722
2262	=cut	2723	=cut
2263		2724
2264	our $GOTOGEN;	2725	our $GOTOGEN;
2265		2726
2266	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
2268		2735
2269	# do generation counting so two concurrent goto's will be executed in-order	2736	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2738
2272	$self->enter_link;	2739	$self->enter_link;
2273		2740
2274	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
2275	my $map = eval {	2763	my $map = eval {
2276	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
2277		2765
2278	if ($map) {	2766	if ($map) {
2279	$map = $map->customise_for ($self);	2767	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2768	$map = $check->($map, $x, $y, $self) if $check && $map;
2281	} else {	2769	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2771	}
2284		2772
2285	$map	2773	$map
2286	};	2774	};
2287		2775
…		…
2292		2780
2293	if ($gen == $self->{_goto_generation}) {	2781	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2782	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
2296	}	2784	}
		2785
		2786	$done->($self) if $done;
2297	})->prio (1);	2787	})->prio (1);
2298	}	2788	}
2299		2789
2300	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
2301		2791
…		…
2321	}	2811	}
2322		2812
2323	sub prepare_random_map {	2813	sub prepare_random_map {
2324	my ($exit) = @_;	2814	my ($exit) = @_;
2325		2815
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2818	# that depends on the exit object
2331		2819
2332	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2822	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
2339	}	2829	}
2340		2830
2341	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
2342		2832
2343	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
2346		2836
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2839	undef $fh;
2350	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
2351		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
2354	}	2848	}
2355	}	2849	}
2356		2850
2357	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2359		2853
2360	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2361		2855
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2856	$self->enter_link;
2374		2857
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2858	(async {
2380	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2381	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
2382	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2383		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
2384	1;	2882	1
2385	}) {	2883	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2888
2391	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2392	$self->leave_link;	2890	$self->leave_link;
2393	}	2891	}
2394	})->prio (1);	2892	})->prio (1);
2395	}	2893	}
2396		2894
…		…
2410		2908
2411	utf8::encode $text;	2909	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2911	}
2414		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2939
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2940	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2941	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2942	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2943	the message unless the client supports the msg packet.
2421		2944
2422	=cut	2945	=cut
2423		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
2424	sub cf::client::send_msg {	3061	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	3062	my ($self, $channel, $msg, $color, @extra) = @_;
2426		3063
2427	$msg = $self->pl->expand_cfpod ($msg);	3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
2428		3085
2429	return unless @extra || length $msg;	3086	return unless @extra || length $msg;
2430		3087
2431	if ($self->can_msg) {	3088	# default colour, mask it out
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2433	} else {	3090	if $color & cf::NDI_DEF;
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443		3091
2444	if ($color >= 0) {	3092	my $pkt = "msg "
2445	if (0 && $msg =~ /\[/) {	3093	. $self->{json_coder}->encode (
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2447	} else {	3095	);
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")
2450	}
2451	}
2452	}
2453	}
2454		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
2455	=item $client->ext_event ($type, %msg)	3100	=item $client->ext_msg ($type, @msg)
2456		3101
2457	Sends an ext event to the client.	3102	Sends an ext event to the client.
2458		3103
2459	=cut	3104	=cut
2460		3105
2461	sub cf::client::ext_event($$%) {	3106	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	3107	my ($self, $type, @msg) = @_;
2463		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	3112	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
2466	}	3133	}
2467		3134
2468	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2469		3136
2470	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3192	my ($ns, $buf) = @_;
2526		3193
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3195
2529	if (ref $msg) {	3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3204	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3205	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
2536	} else {	3211	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3213	}
2539		3214
2540	cf::override;	3215	cf::override;
2541	},	3216	},
2542	);	3217	);
…		…
2562		3237
2563	$coro	3238	$coro
2564	}	3239	}
2565		3240
2566	cf::client->attach (	3241	cf::client->attach (
2567	on_destroy => sub {	3242	on_client_destroy => sub {
2568	my ($ns) = @_;	3243	my ($ns) = @_;
2569		3244
2570	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2571	},	3246	},
2572	);	3247	);
…		…
2587	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2589		3264
2590	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2591		3266
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2593		3272
2594	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2595		3274
2596	=pod	3275	=pod
2597		3276
2598	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2599		3278
2600	cf::object	3279	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3280	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3281	insert remove name archname title slaying race decrease split
		3282	value
2603		3283
2604	cf::object::player	3284	cf::object::player
2605	player	3285	player
2606		3286
2607	cf::player	3287	cf::player
…		…
2612		3292
2613	=cut	3293	=cut
2614		3294
2615	for (	3295	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2618	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2620	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2621	) {	3302	) {
2622	no strict 'refs';
2623	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2624	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2625	for @funs;	3305	for @funs;
2626	}	3306	}
2627		3307
…		…
2642		3322
2643	my $qcode = $code;	3323	my $qcode = $code;
2644	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2645	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2646		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2647	local $_;	3330	local $_;
2648	local @safe::cf::_safe_eval_args = values %vars;
2649		3331
2650	my $eval =	3332	my $eval =
2651	"do {\n"	3333	"do {\n"
2652	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2653	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2654	. $code	3336	. $code
2655	. "\n}"	3337	. "\n}"
2656	;	3338	;
2657		3339
		3340	if ($CFG{safe_eval}) {
2658	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2659	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2660	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2661		3349
2662	if ($@) {	3350	if ($@) {
2663	warn "$@";	3351	warn "$@",
2664	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2665	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2666	}	3354	}
2667		3355
2668	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2669	}	3357	}
2670		3358
…		…
2684	=cut	3372	=cut
2685		3373
2686	sub register_script_function {	3374	sub register_script_function {
2687	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2688		3376
2689	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2690	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2691	}	3379	}
2692		3380
2693	=back	3381	=back
2694		3382
2695	=cut	3383	=cut
…		…
2698	# the server's init and main functions	3386	# the server's init and main functions
2699		3387
2700	sub load_facedata($) {	3388	sub load_facedata($) {
2701	my ($path) = @_;	3389	my ($path) = @_;
2702		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3396
2703	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2704		3398
2705	my $facedata;
2706	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2707	or die "$path: $!";	3400	or die "$path: $!";
2708		3401
2709	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2710		3403
2711	$facedata->{version} == 2	3404	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3406
		3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3409	$facedata->{resource}{"res/exp_table"} = {
		3410	type => FT_RSRC,
		3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
		3413	};
		3414	cf::cede_to_tick;
		3415
2714	{	3416	{
2715	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2716		3418
2717	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2722	Coro::cede;	3426
		3427	cf::cede_to_tick;
2723	}	3428	}
2724		3429
2725	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2727	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2728	or next;	3434	or next;
		3435
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3439	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3441	}
2734	Coro::cede;	3442
		3443	cf::cede_to_tick;
2735	}	3444	}
2736	}	3445	}
2737		3446
2738	{	3447	{
2739	my $anims = $facedata->{animinfo};	3448	my $anims = $facedata->{animinfo};
2740		3449
2741	while (my ($anim, $info) = each %$anims) {	3450	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3452	cf::cede_to_tick;
2744	}	3453	}
2745		3454
2746	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2747	}	3456	}
2748		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
2749	1	3477	1
2750	}	3478	}
2751		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
2752	sub reload_regions {	3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
2753	load_resource_file "$MAPDIR/regions"	3503	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
2755	}	3510	}
2756		3511
2757	sub reload_facedata {	3512	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3513	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3514	or die "unable to load facedata\n";
2760	}	3515	}
2761		3516
2762	sub reload_archetypes {	3517	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3518	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3519	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3520	}
2771		3521
2772	sub reload_treasures {	3522	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3523	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2775	}	3525	}
2776		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
2777	sub reload_resources {	3550	sub reload_resources {
2778	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2779		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2780	reload_regions;	3558	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3559	reload_treasures;
2785		3560
2786	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2787	}	3562	}
2788		3563
2789	sub init {	3564	sub reload_config {
2790	reload_resources;	3565	trace "reloading config file...\n";
2791	}
2792		3566
2793	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3568	or die "$CONFDIR/config: $!";
2795	or return;
2796		3569
2797	local $/;	3570	utf8::decode $config;
2798	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
2799		3572
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2801		3574
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2803	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2804		3577
2805	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2809	};	3582	};
2810	warn $@ if $@;	3583	warn $@ if $@;
2811	}	3584	}
2812	}	3585	}
2813		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2814	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2815	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3628	(async {
2819	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2821	};	3632	};
2822		3633
2823	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
2824	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2825	load_extensions;	3657	load_extensions;
2826		3658
2827	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2828	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2829	}	3677	}
2830		3678
2831	#############################################################################	3679	#############################################################################
2832	# initialisation and cleanup	3680	# initialisation and cleanup
2833		3681
2834	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2835	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2844	},
2845	);	3688	};
2846	}	3689	}
2847	}	3690	}
2848		3691
2849	sub write_runtime {	3692	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3693	my $t0 = AE::time;
2851		3694
2852	# first touch the runtime file to show we are still running:	3695	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3696	# the fsync below can take a very very long time.
2854		3697
2855	IO::AIO::aio_utime $runtime, undef, undef;	3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3699
2857	my $guard = cf::lock_acquire "write_runtime";	3700	my $guard = cf::lock_acquire "write_runtime";
2858		3701
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2860	or return;	3703	or return;
2861		3704
2862	my $value = $cf::RUNTIME + 90 + 10;	3705	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3706	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3707	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3717	aio_utime $fh, undef, undef;
2875		3718
2876	close $fh	3719	close $fh
2877	or return;	3720	or return;
2878		3721
2879	aio_rename "$runtime~", $runtime	3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3723	and return;
2881		3724
2882	warn "runtime file written.\n";	3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2883		3726
2884	1	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2885	}	3778	}
2886		3779
2887	sub emergency_save() {	3780	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2889		3782
2890	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2891		3789
2892	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2893	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3801	$pl->save;
2901	}	3802	}
2902	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2903		3804
2904	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2905	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3810	$map->valid or next;
2908	$map->save;	3811	$map->save;
2909	}	3812	}
2910	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2911		3814
2912	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2915	};	3843	};
2916		3844
2917	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2918	}	3846	}
2919		3847
2920	sub post_cleanup {	3848	sub post_cleanup {
2921	my ($make_core) = @_;	3849	my ($make_core) = @_;
2922		3850
		3851	IO::AIO::flush;
		3852
2923	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
2925	}	3883	}
2926		3884
2927	sub do_reload_perl() {	3885	sub do_reload_perl() {
2928	# can/must only be called in main	3886	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2930	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2931	return;	3889	return;
2932	}	3890	}
2933		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2934	warn "reloading...";	3898	info "reloading...";
2935		3899
2936	warn "entering sync_job";	3900	trace "entering sync_job";
2937		3901
2938	cf::sync_job {	3902	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark
2940	cf::emergency_save;	3903	#cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark
2942		3904
2943	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;
2945
2946	# if anything goes wrong in here, we should simply crash as we already saved
2947
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;
2959	warn "iterate...";
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();	3907	%EXT_CORO = ();
2967		3908
2968	warn "removing commands";	3909	trace "removing commands";
2969	%COMMAND = ();	3910	%COMMAND = ();
2970		3911
2971	warn "removing ext/exti commands";	3912	trace "removing ext/exti commands";
2972	%EXTCMD = ();	3913	%EXTCMD = ();
2973	%EXTICMD = ();	3914	%EXTICMD = ();
2974		3915
2975	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2978		3919
2979	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2980	eval {	3921	eval {
2981	$cb->($pkg);	3922	$cb->($pkg);
2982	1	3923	1
2983	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2984	}	3929	}
2985		3930
2986	warn "... nuking $pkg";
2987	Symbol::delete_package $pkg;
2988	}
2989
2990	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2991	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3934
2994	warn "... unloading $k";	3935	trace "... unloading $k";
2995	delete $INC{$k};	3936	delete $INC{$k};
2996		3937
2997	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2999		3940
3000	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
3001	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
3002	}	3946	}
3003		3947
3004	Symbol::delete_package $k;
3005	}
3006
3007	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		3951
3011	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3014		3955
3015	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3957	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
3018		3959
3019	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
3020		3961
3021	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
3022	require cf;	3963	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
3024		3965
3025	warn "loading config and database again";	3966	trace "loading config and database again";
3026	cf::cfg_load;	3967	cf::reload_config;
3027		3968
3028	warn "loading extensions";	3969	trace "loading extensions";
3029	cf::load_extensions;	3970	cf::load_extensions;
3030		3971
		3972	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
3037		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
3038	warn "leaving sync_job";	3984	trace "leaving sync_job";
3039		3985
3040	1	3986	1
3041	} or do {	3987	} or do {
3042	warn $@;	3988	error $@;
3043	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
3044	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
3045	};	3994	}
3046		3995
3047	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
3048	};	3998	};
3049		3999
3050	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
3051		4001
3052	sub reload_perl() {	4002	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
3055		4005
3056	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	4008
3059	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	4010	do_reload_perl;
3062	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
3063	},	4012	};
3064	);	4013	};
3065	}	4014	}
3066		4015
3067	register_command "reload" => sub {	4016	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
3069		4018
3070	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	4023	reload_perl;
		4024	};
3073	}	4025	}
3074	};	4026	};
3075		4027
3076	unshift @INC, $LIBDIR;	4028	#############################################################################
3077		4029
3078	my $bug_warning = 0;	4030	my $bug_warning = 0;
3079		4031
3080	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
3082		4034
3083	sub wait_for_tick {	4035	sub wait_for_tick() {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3086		4037
3087	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	4040	$signal->wait;
3090	}	4041	}
3091		4042
3092	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3095		4045
3096	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	4048	$signal->wait;
3099	}	4049	}
3100		4050
3101	my $min = 1e6;#d#	4051	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
3113	return;	4055	return;
3114	}	4056	}
3115		4057
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
3119		4059
3120	0 && sync_job {#d#	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3121	for(1..10) {
3122	my $t = Event::time;
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3124	or die;
3125		4061
3126	$map->width (50);	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127	$map->height (50);	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128	$map->alloc;	4064	Coro::async_pool {
3129	$map->_load_objects ("/tmp/x.map", 1);	4065	$Coro::current->{desc} = "runtime saver";
3130	my $t = Event::time - $t;	4066	write_runtime_sync
3131		4067	or error "ERROR: unable to write runtime file: $!";
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	4068	};
		4069	}
3142		4070
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	4072	$sig->send;
3159	}	4073	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	4075	$sig->send;
3162	}	4076	}
3163		4077
3164	$NOW = Event::time;	4078	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		4080
3175	_post_tick;	4081	if (0) {
3176		4082	if ($NEXT_TICK) {
3177		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
3178	},	4087	}
3179	);	4088	}
3180		4089
3181	{	4090	{
3182	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	4092
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
3192		4094	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		4096
3208	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		4104
3211	cf::sync_job {	4105	cf::sync_job {
3212	eval {	4106	eval {
3213	BDB::db_env_open	4107	BDB::db_env_open
3214	$DB_ENV,	4108	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	4112	0666;
3219		4113
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	4115	};
3225		4116
3226	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	4118	};
3228	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
3229	}	4130	}
3230		4131
3231	{	4132	{
		4133	# configure IO::AIO
		4134
3232	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	4138	}
3245		4139
3246	my $_log_backtrace;	4140	my $_log_backtrace;
3247		4141
3248	sub _log_backtrace {	4142	sub _log_backtrace {
…		…
3251	$msg =~ s/\n//;	4145	$msg =~ s/\n//;
3252		4146
3253	# limit the # of concurrent backtraces	4147	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	4148	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
3256	async {	4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
3257	my @bt = fork_call {	4154	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	4155	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	4158	or die "addr2line: $!";
…		…
3269	}	4166	}
3270		4167
3271	@funcs	4168	@funcs
3272	};	4169	};
3273		4170
3274	LOG llevInfo, "[ABT] $msg\n";	4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	4173	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	4174	--$_log_backtrace;
3277	};	4175	};
3278	} else {	4176	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	4177	LOG llevInfo, "[ABT] $msg\n";
3280	LOG llevInfo, "[ABT] [suppressed]\n";	4178	LOG llevInfo, "[ABT] [suppressed]\n";
3281	}	4179	}
3282	}	4180	}
3283		4181
3284	# load additional modules	4182	# load additional modules
3285	use cf::pod;	4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
3286		4185
3287	END { cf::emergency_save }	4186	END { cf::emergency_save }
3288		4187
3289	1	4188	1
3290		4189

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