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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.292 by root, Tue Jul 3 00:54:57 2007 UTC vs.
Revision 1.558 by root, Tue Oct 5 22:35:30 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 $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
257		404
258	=item cf::lock_wait $string	405	=item cf::lock_wait $string
259		406
260	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
261		408
262	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
263		410
264	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
267	returned.	414	returned.
268		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
269	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
271		421
272	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
273		423
274	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
275		425
276	=cut	426	=cut
277		427
278	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
279		429
280	sub lock_wait($) {	430	sub lock_wait($) {
281	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	432	}
289		433
290	sub lock_acquire($) {	434	sub lock_acquire($) {
291	my ($key) = @_;	435	$LOCKS->guard ($_[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	}	436	}
303		437
304	sub lock_active($) {	438	sub lock_active($) {
305	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	440	}
309		441
310	sub freeze_mainloop {	442	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
312		444
313	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
315	};	512	}
316	$TICK_WATCHER->stop;	513	};
317	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
318	}	528	}
319		529
320	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
321		531
322	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		537
328	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
329		539
330	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
331		541
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	545	acceptable.
336		546
337	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	552	=cut
343		553
344	sub sync_job(&) {	554	sub sync_job(&) {
345	my ($job) = @_;	555	my ($job) = @_;
346		556
347	if ($Coro::current == $Coro::main) {	557	if (in_main) {
348	my $time = Event::time;	558	my $time = AE::time;
349		559
350	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
352		562
353	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	564
355	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
356		566
357	my $busy = 1;	567	my $busy = 1;
358	my @res;	568	my @res;
359		569
360	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	572	@res = eval { $job->() };
362	warn $@ if $@;	573	error $@ if $@;
363	undef $busy;	574	undef $busy;
364	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
365		576
366	while ($busy) {	577	while ($busy) {
367	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
368	}	582	}
		583	}
369		584
370	$time = Event::time - $time;	585	my $time = AE::time - $time;
371		586
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	587	$TICK_START += $time; # do not account sync jobs to server load
376		588
377	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
378	} else {	590	} else {
379	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
380		592
…		…
400	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
401		613
402	$coro	614	$coro
403	}	615	}
404		616
405	=item fork_call { }, $args	617	=item fork_call { }, @args
406		618
407	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
411		623
412	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
413		629
414	sub fork_call(&@) {	630	sub fork_call(&@) {
415	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
416		632
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	633	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		636
422	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
423	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
424		641
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	643	}
427		644
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
447	}	681	}
448		682
449	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
450		684
451	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
454		688
455	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
458	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
459		718
460	our $DB;	719	our $DB;
461		720
462	sub db_init {	721	sub db_init {
463	unless ($DB) {	722	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	723	}
478		724
479	sub db_get($$) {	725	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
481		727
482	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
483	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
484		732
485	$! ? ()	733	$! ? ()
486	: $data	734	: $data
487	}
488	}	735	}
489		736
490	sub db_put($$$) {	737	sub db_put($$$) {
491	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
531	if (1) {	778	if (1) {
532	$md5 =	779	$md5 =
533	join "\x00",	780	join "\x00",
534	$processversion,	781	$processversion,
535	map {	782	map {
536	Coro::cede;	783	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	785	} 0.. $#$src;
539		786
540		787
541	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		795
549	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	797	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
552		799
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		801
555	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
558		805
…		…
568		815
569	=cut	816	=cut
570		817
571	sub datalog($@) {	818	sub datalog($@) {
572	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	821	}
575		822
576	=back	823	=back
577		824
578	=cut	825	=cut
579		826
580	#############################################################################	827	#############################################################################
581		828
582	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
583		830
584	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
587		834
588	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	837	Deliantra).
591		838
592	=over 4	839	=over 4
593		840
594	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
595		842
…		…
639	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
640		887
641	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
643		890
644	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
646		893
647	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
648		895
649	=over 4	896	=over 4
…		…
773		1020
774	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1023
777	} elsif (ref $type) {	1024	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
779		1026
780	} else {	1027	} else {
781	shift @arg;	1028	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
783	}	1030	}
784	}	1031	}
785	}	1032	}
786		1033
787	sub _object_attach {	1034	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
798	}	1045	}
799		1046
800	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
801	} else {	1048	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1050	}
804		1051
805	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
806	}	1053	}
807		1054
…		…
847	";	1094	";
848	die if $@;	1095	die if $@;
849	}	1096	}
850		1097
851	our $override;	1098	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1100
854	sub override {	1101	sub override {
855	$override = 1;	1102	$override = 1;
856	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
857	}	1104	}
858		1105
859	sub do_invoke {	1106	sub do_invoke {
860	my $event = shift;	1107	my $event = shift;
861	my $callbacks = shift;	1108	my $callbacks = shift;
862		1109
863	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
864		1111
865	local $override;	1112	local $override;
866		1113
867	for (@$callbacks) {	1114	for (@$callbacks) {
868	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
869		1116
870	if ($@) {	1117	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1119	override;
874	}	1120	}
875		1121
876	return 1 if $override;	1122	return 1 if $override;
877	}	1123	}
878		1124
879	0	1125	0
880	}	1126	}
881		1127
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1129
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1131
886	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
887		1133
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1137
892	=back	1138	=back
893		1139
894	=cut	1140	=cut
895		1141
896	#############################################################################	1142	#############################################################################
897	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
898		1186
899	sub reattach {	1187	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1189	my ($obj) = @_;
902		1190
		1191	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1193
905	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
906		1195
907	@$registry = ();	1196	@$registry = ();
908		1197
…		…
913	for (@$attach) {	1202	for (@$attach) {
914	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
916	}	1205	}
917	} else {	1206	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1208	}
920	}	1209	}
921	}	1210	}
922		1211
923	cf::attachable->attach (	1212	cf::attachable->attach (
924	prio => -1000000,	1213	prio => -1000000,
925	on_instantiate => sub {	1214	on_instantiate => sub {
926	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
927		1216
928	$data = from_json $data;	1217	$data = decode_json $data;
929		1218
930	for (@$data) {	1219	for (@$data) {
931	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
932		1221
933	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1238	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
951		1240
952	sync_job {	1241	sync_job {
953	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
956		1247
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
961	close $fh;	1255	aio_close $fh;
962		1256
963	if (@$objs) {	1257	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
969	close $fh;	1266	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
971	}	1268	}
972	} else {	1269	} else {
973	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
974	}	1271	}
975		1272
976	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1277	} else {
978	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
979	}	1279	}
980	} else {	1280	} else {
981	aio_unlink $filename;	1281	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
983	}	1283	}
984	}	1284	};
985	}	1285	}
986		1286
987	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
989		1289
…		…
1001	or return;	1301	or return;
1002		1302
1003	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1305	or return;
		1306
1006	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1007	}	1309	}
1008		1310
		1311	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1011	return ($data, $av);	1316	($data, $av)
1012	}	1317	}
1013		1318
1014	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1015		1320
1016	=over 4	1321	=over 4
…		…
1070	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1071		1376
1072	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1073	}	1378	}
1074		1379
		1380	use File::Glob ();
		1381
1075	cf::player->attach (	1382	cf::player->attach (
1076	on_command => sub {	1383	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1078		1385
1079	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1080	or return;	1387	or return;
1081		1388
…		…
1089	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1090		1397
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1399
1093	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1099	} else {	1415	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1417	}
1102		1418
1103	cf::override;	1419	cf::override;
1104	},	1420	},
1105	);	1421	);
1106		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1107	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1108	cf::sync_job {	1439	cf::sync_job {
1109	my %todo;	1440	my %todo;
1110		1441
1111	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1443	next unless -r $path;
…		…
1130		1461
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1464
1134	$ext{source} =	1465	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1137	. $source	1468	. $source
1138	. "\n};\n1";	1469	. "\n};\n1";
1139		1470
1140	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1141	}	1472	}
1142		1473
		1474	my $pass = 0;
1143	my %done;	1475	my %done;
1144	while (%todo) {	1476	while (%todo) {
1145	my $progress;	1477	my $progress;
1146		1478
		1479	++$pass;
		1480
		1481	ext:
1147	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1484	next ext
1150	unless exists $done{$_};	1485	unless exists $done{$_};
1151	}	1486	}
1152		1487
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1489
1155	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1160	warn $msg;	1497
1161	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1499	delete $todo{$k};
1163	}	1500	} else {
1164		1501	$done{$k} = delete $todo{$k};
1165	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1166	}	1507	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1508	}
1172		1509
1173	skip:	1510	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1176	}	1518	}
1177	};	1519	};
1178	}	1520	}
1179		1521
1180	#############################################################################	1522	#############################################################################
1181		1523
1182	=back	1524	=back
1183		1525
1184	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1185		1527
1186	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1187		1529
1188	=cut	1530	=cut
1189		1531
1190	package cf::player;	1532	package cf::player;
1191		1533
1192	use Coro::AIO;	1534	use Coro::AIO;
1193		1535
1194	=head3 cf::player	1536	=head3 cf::player
1195		1537
1196	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1197		1553
1198	=item cf::player::find $login	1554	=item cf::player::find $login
1199		1555
1200	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1201		1557
…		…
1220		1576
1221	sub exists($) {	1577	sub exists($) {
1222	my ($login) = @_;	1578	my ($login) = @_;
1223		1579
1224	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1226	}	1582	}
1227		1583
1228	sub find($) {	1584	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1586	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1597
1242	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1245	}	1607	}
1246	}	1608	}
1247	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1248		1623
1249	sub save($) {	1624	sub save($) {
1250	my ($pl) = @_;	1625	my ($pl) = @_;
1251		1626
1252	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1258		1633
1259	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1261		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1262	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1263	Coro::cede;	1643	cf::cede_to_tick;
1264	}	1644	}
1265		1645
1266	sub new($) {	1646	sub new($) {
1267	my ($login) = @_;	1647	my ($login) = @_;
1268		1648
…		…
1274	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1275		1655
1276	$self	1656	$self
1277	}	1657	}
1278		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1279	=item $pl->quit_character	1669	=item $pl->quit_character
1280		1670
1281	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1283		1673
…		…
1287	my ($pl) = @_;	1677	my ($pl) = @_;
1288		1678
1289	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1290		1680
1291	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1683
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1297	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1298		1692
1299	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1336	or return [];	1730	or return [];
1337		1731
1338	my @logins;	1732	my @logins;
1339		1733
1340	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1344		1744
1345	utf8::decode $login;	1745	utf8::decode $login;
1346	push @logins, $login;	1746	push @logins, $login;
1347	}	1747	}
1348		1748
1349	\@logins	1749	\@logins
1350	}	1750	}
1351		1751
1352	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1353		1755
1354	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1355	player. May block.	1757	player. May block.
1356		1758
1357	=cut	1759	=cut
…		…
1375	}	1777	}
1376		1778
1377	\@paths	1779	\@paths
1378	}	1780	}
1379		1781
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1783
1382	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1383		1785
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	$_
1420	}
1421
1422	sub hintmode {
1423	$_[0]{hintmode} = $_[1] if @_ > 1;
1424	$_[0]{hintmode}
1425	}
1426
1427	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1428		1787
1429	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1430		1789
1431	=cut	1790	=cut
1432		1791
1433	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1434	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1435		1794
1436	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1438	}	1796	}
1439		1797
1440	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1441		1799
1442	Sends an ext event to the client.	1800	Sends an ext event to the client.
1443		1801
1444	=cut	1802	=cut
1445		1803
1446	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1447	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1448		1806
1449	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1450	}	1808	}
1451		1809
1452	=head3 cf::region	1810	=head3 cf::region
1453		1811
1454	=over 4	1812	=over 4
…		…
1464	=cut	1822	=cut
1465		1823
1466	sub find_by_path($) {	1824	sub find_by_path($) {
1467	my ($path) = @_;	1825	my ($path) = @_;
1468		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1469	my ($match, $specificity);	1829	my ($match, $specificity);
1470		1830
1471	for my $region (list) {	1831	for my $region (list) {
1472	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1473	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1474	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1475	}	1835	}
1476	}	1836	}
1477		1837
…		…
1498	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1499	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1500		1860
1501	sub generate_random_map {	1861	sub generate_random_map {
1502	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1503	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1504	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1505	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1506	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1507	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1508	$rmp->{exit_on_final_map},
1509	$rmp->{xsize}, $rmp->{ysize},
1510	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1511	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1512	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1513	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1514	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1515	(cf::region::find $rmp->{region}), $rmp->{custom}
1516	)
1517	}	1867	}
1518		1868
1519	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1520		1870
1521	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1526		1876
1527	sub register {	1877	sub register {
1528	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1529	my $pkg = caller;	1879	my $pkg = caller;
1530		1880
1531	no strict;
1532	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1533		1882
1534	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1535	}	1884	}
1536		1885
1537	# also paths starting with '/'	1886	# also paths starting with '/'
1538	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1539		1888
1540	sub thawer_merge {	1889	sub thawer_merge {
1541	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1542		1891
1543	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
…		…
1548	}	1897	}
1549		1898
1550	sub normalise {	1899	sub normalise {
1551	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1552		1901
1553	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1554		1903
1555	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1556		1905
1557	# map plan:	1906	# map plan:
1558	#	1907	#
…		…
1573	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1574	$path = "$base/$path";	1923	$path = "$base/$path";
1575	}	1924	}
1576		1925
1577	for ($path) {	1926	for ($path) {
1578	redo if s{//}{/};
1579	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1580	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1581	}	1929	}
1582		1930
1583	$path	1931	$path
…		…
1597	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1598	return $self;	1946	return $self;
1599	}	1947	}
1600	}	1948	}
1601		1949
1602	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1603	()	1951	()
1604	}	1952	}
1605		1953
1606	sub init {	1954	sub init {
1607	my ($self) = @_;	1955	my ($self) = @_;
…		…
1629		1977
1630	# the temporary/swap location	1978	# the temporary/swap location
1631	sub save_path {	1979	sub save_path {
1632	my ($self) = @_;	1980	my ($self) = @_;
1633		1981
1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1635	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1636	}	1984	}
1637		1985
1638	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1639	sub uniq_path {	1987	sub uniq_path {
1640	my ($self) = @_;	1988	my ($self) = @_;
1641		1989
1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1643	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1644	}
1645
1646	# and all this just because we cannot iterate over
1647	# all maps in C++...
1648	sub change_all_map_light {
1649	my ($change) = @_;
1650
1651	$_->change_map_light ($change)
1652	for grep $_->outdoor, values %cf::MAP;
1653	}	1992	}
1654		1993
1655	sub decay_objects {	1994	sub decay_objects {
1656	my ($self) = @_;	1995	my ($self) = @_;
1657		1996
…		…
1670		2009
1671	sub load_header_from($) {	2010	sub load_header_from($) {
1672	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1673		2012
1674	utf8::encode $path;	2013	utf8::encode $path;
1675	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1676	# or return;
1677
1678	$self->_load_header ($path)
1679	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1680		2022
1681	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1682		2024
1683	1	2025	1
1684	}	2026	}
…		…
1736		2078
1737	sub find;	2079	sub find;
1738	sub find {	2080	sub find {
1739	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1740		2082
		2083	cf::cede_to_tick;
		2084
1741	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1742		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1743	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1744		2089
1745	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1746	my $guard = cf::lock_acquire "map_find:$path";
1747	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1748	or return;	2092	or return;
1749		2093
1750	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1751		2095
…		…
1753	or return;	2097	or return;
1754		2098
1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1756	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1757	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1758	$map->reset;	2104	$map->reset;
1759	undef $guard;
1760	return find $path;	2105	return find $path;
1761	}	2106	}
1762		2107
1763	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1764	}	2109	}
1765	}	2110	}
1766		2111
1767	sub pre_load { }	2112	sub pre_load { }
1768	sub post_load { }	2113	#sub post_load { } # XS
1769		2114
1770	sub load {	2115	sub load {
1771	my ($self) = @_;	2116	my ($self) = @_;
1772		2117
1773	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1774		2119
1775	my $path = $self->{path};	2120	my $path = $self->{path};
1776		2121
1777	{	2122	{
1778	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1779		2124
		2125	return unless $self->valid;
1780	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1781		2127
1782	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1783		2129
1784	$self->alloc;	2130	$self->alloc;
1785		2131
1786	$self->pre_load;	2132	$self->pre_load;
1787	Coro::cede;	2133	cf::cede_to_tick;
1788		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1789	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1790	or return;	2138	or return;
1791		2139
1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1793	if delete $self->{load_original};	2141	if delete $self->{load_original};
1794		2142
1795	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1796	utf8::encode $uniq;	2144	utf8::encode $uniq;
1797	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1798	$self->clear_unique_items;	2147	$self->clear_unique_items;
1799	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1800	}	2151	}
1801	}	2152	}
1802		2153
1803	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1804	# now do the right thing for maps	2157	# now do the right thing for maps
1805	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1806	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1807	unless $self->difficulty;	2160	unless $self->difficulty;
1808	Coro::cede;	2161	cf::cede_to_tick;
1809		2162
1810	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1811	$self->decay_objects;	2164	$self->decay_objects;
1812	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1813	$self->update_buttons;	2166	$self->update_buttons;
1814	Coro::cede;	2167	cf::cede_to_tick;
1815	$self->set_darkness_map;
1816	Coro::cede;
1817	$self->activate;	2168	$self->activate;
1818	}	2169	}
1819		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1820	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1821	}	2175	}
1822		2176
1823	$self->post_load;	2177	$self->post_load;
1824	}
1825		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1826	sub customise_for {	2185	sub customise_for {
1827	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1828		2187
1829	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1830	if $self->per_player;	2189	if $self->per_player;
…		…
1834		2193
1835	$self	2194	$self
1836	}	2195	}
1837		2196
1838	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1839	sub load_diag {	2198	sub load_neighbours {
1840	my ($map) = @_;	2199	my ($map) = @_;
1841		2200
1842	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1843		2202
1844	for (0 .. 3) {	2203	for (0 .. 3) {
1845	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1846	or next;	2205	or next;
1847	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1848	or next;	2207	or next;
1849	$neigh->load;	2208	$neigh->load;
1850		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1851	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1852	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1853	}	2214	}
1854		2215
1855	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1856	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1857	or next;	2219	or next;
1858	$neigh->load;	2220	$neigh->load;
1859	}	2221	}
1860	}	2222	}
1861		2223
1862	sub find_sync {	2224	sub find_sync {
1863	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1864		2226
1865	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1866	}	2231	}
1867		2232
1868	sub do_load_sync {	2233	sub do_load_sync {
1869	my ($map) = @_;	2234	my ($map) = @_;
1870		2235
1871	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1872	}	2240	}
1873		2241
1874	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1875	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1876		2244
1877	sub find_async {	2245	sub find_async {
1878	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1879		2247
1880	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1881		2249
1882	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1883	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1884	}	2252	}
1885		2253
1886	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1887	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1888	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1889	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1890	my $map = find $path	2261	if (my $map = find $k) {
1891	or next;
1892	$map->load;	2262	$map->load if $v;
		2263	}
1893		2264
1894	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1895	}	2266	}
1896	}	2267	}
1897	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1898	};	2269	};
1899	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1900		2271
1901	()	2272	()
1902	}	2273	}
1903		2274
		2275	# common code, used by both ->save and ->swapout
1904	sub save {	2276	sub _save {
1905	my ($self) = @_;	2277	my ($self) = @_;
1906
1907	my $lock = cf::lock_acquire "map_data:" . $self->path;
1908		2278
1909	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1910		2280
1911	return unless $self->dirty;	2281	return unless $self->dirty;
1912		2282
…		…
1918	return if $self->{deny_save};	2288	return if $self->{deny_save};
1919		2289
1920	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1921		2291
1922	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1923	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1924	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1925		2298
1926	if ($uniq) {	2299	if ($uniq) {
1927	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1928	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1929	} else {	2302	} else {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1931	}	2304	}
1932	}	2305	}
1933		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1934	sub swap_out {	2315	sub swap_out {
1935	my ($self) = @_;	2316	my ($self) = @_;
1936		2317
1937	# save first because save cedes
1938	$self->save;
1939
1940	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1941		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1942	return if $self->players;	2322	return if $self->players;
1943	return if $self->in_memory != cf::MAP_IN_MEMORY;
1944	return if $self->{deny_save};
1945		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1946	$self->clear;	2333	$self->clear;
1947	$self->in_memory (cf::MAP_SWAPPED);
1948	}	2334	}
1949		2335
1950	sub reset_at {	2336	sub reset_at {
1951	my ($self) = @_;	2337	my ($self) = @_;
1952		2338
…		…
1970		2356
1971	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1972		2358
1973	return if $self->players;	2359	return if $self->players;
1974		2360
1975	warn "resetting map ", $self->path;	2361	cf::trace "resetting map ", $self->path, "\n";
1976		2362
1977	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1978		2364
1979	# need to save uniques path	2365	# need to save uniques path
1980	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1984	if $uniq;	2370	if $uniq;
1985	}	2371	}
1986		2372
1987	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1988		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1989	$self->clear;	2377	$self->clear;
1990
1991	$_->clear_links_to ($self) for values %cf::MAP;
1992		2378
1993	$self->unlink_save;	2379	$self->unlink_save;
1994	$self->destroy;	2380	$self->destroy;
1995	}	2381	}
1996		2382
1997	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1998		2384
1999	sub nuke {	2385	sub nuke {
2000	my ($self) = @_;	2386	my ($self) = @_;
2001		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
2002	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
2003		2392
2004	$self->unlink_save;	2393	$self->unlink_save;
2005		2394
2006	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
2007	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
2008	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
2009	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
2010	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2011		2400
2012	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
2013		2403
2014	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
2015	}	2405	}
2016		2406
2017	=item $maps = cf::map::tmp_maps	2407	=item $maps = cf::map::tmp_maps
…		…
2059		2449
2060	sub unique_maps() {	2450	sub unique_maps() {
2061	[	2451	[
2062	map {	2452	map {
2063	utf8::decode $_;	2453	utf8::decode $_;
2064	/\.map$/	2454	s/\.map$//; # TODO future compatibility hack
		2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
2065	? normalise $_	2457	: normalise $_
2066	: ()
2067	} @{ aio_readdir $UNIQUEDIR or [] }	2458	} @{ aio_readdir $UNIQUEDIR or [] }
2068	]	2459	]
2069	}	2460	}
2070		2461
2071	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
2072		2493
2073	=back	2494	=back
2074		2495
2075	=head3 cf::object	2496	=head3 cf::object
2076		2497
…		…
2080		2501
2081	=over 4	2502	=over 4
2082		2503
2083	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
2084		2505
2085	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
2086		2508
2087	=cut	2509	=cut
2088		2510
2089	sub inv_recursive_;	2511	sub inv_recursive_;
2090	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
2093		2515
2094	sub inv_recursive {	2516	sub inv_recursive {
2095	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
2096	}	2518	}
2097		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
2098	package cf;	2548	package cf;
2099		2549
2100	=back	2550	=back
2101		2551
2102	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
2108	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2109	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
2110	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
2111		2561
2112	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
2113		2577
2114	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
2115	# with dialog boxes.	2579	# with dialog boxes.
2116	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
2117	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
2124		2588
2125	} else {	2589	} else {
2126	my $pl = $self->contr;	2590	my $pl = $self->contr;
2127		2591
2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2129	my $diag = $pl->{npc_dialog};	2593	my $dialog = $pl->{npc_dialog};
2130	$diag->{pl}->ext_reply (	2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2131	$diag->{id},
2132	msgtype => "reply",
2133	msg => $diag->{pl}->expand_cfpod ($msg),
2134	add_topics => []
2135	);
2136		2595
2137	} else {	2596	} else {
2138	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
2139	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2140	}	2599	}
2141	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
2142	}	2611	}
2143		2612
2144	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
2145		2614
2146	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
2159		2628
2160	=item $player_object->enter_link	2629	=item $player_object->enter_link
2161		2630
2162	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
2163		2632
2164	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
2165	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
2166		2637
2167	Will never block.	2638	Will never block.
2168		2639
2169	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
2170		2641
…		…
2190	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
2191	my ($self) = @_;	2662	my ($self) = @_;
2192		2663
2193	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
2194		2665
		2666	++$self->{_link_recursion};
		2667
2195	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
2196		2669
2197	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2198	if $self->map && $self->map->{path} ne "{link}";	2671	if $self->map && $self->map->{path} ne "{link}";
2199		2672
2200	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2201	}	2674	}
2202		2675
2203	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
2204	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
2205		2678
…		…
2222	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
2223	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
2224		2697
2225	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
2226	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
2227	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
2228		2701
2229	$map->load;	2702	$map->load;
2230	$map->load_diag;	2703	$map->load_neighbours;
2231		2704
2232	return unless $self->contr->active;	2705	return unless $self->contr->active;
2233	$self->activate_recursive;
2234		2706
2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2236	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
2237	}	2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
		2712	$self->activate_recursive;
		2713	}
2238		2714
		2715	}
		2716
2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2240		2718
2241	Moves the player to the given map-path and coordinates by first freezing	2719	Moves the player to the given map-path and coordinates by first freezing
2242	her, loading and preparing them map, calling the provided $check callback	2720	her, loading and preparing them map, calling the provided $check callback
2243	that has to return the map if sucecssful, and then unfreezes the player on	2721	that has to return the map if sucecssful, and then unfreezes the player on
2244	the new (success) or old (failed) map position.	2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
2245		2727
2246	=cut	2728	=cut
2247		2729
2248	our $GOTOGEN;	2730	our $GOTOGEN;
2249		2731
2250	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
2251	my ($self, $path, $x, $y, $check) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
2252		2740
2253	# do generation counting so two concurrent goto's will be executed in-order	2741	# do generation counting so two concurrent goto's will be executed in-order
2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2255		2743
2256	$self->enter_link;	2744	$self->enter_link;
2257		2745
2258	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
2259	my $map = eval {	2768	my $map = eval {
2260	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
2261		2770
2262	if ($map) {	2771	if ($map) {
2263	$map = $map->customise_for ($self);	2772	$map = $map->customise_for ($self);
2264	$map = $check->($map) if $check && $map;	2773	$map = $check->($map, $x, $y, $self) if $check && $map;
2265	} else {	2774	} else {
2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2267	}	2776	}
2268		2777
2269	$map	2778	$map
2270	};	2779	};
2271		2780
…		…
2276		2785
2277	if ($gen == $self->{_goto_generation}) {	2786	if ($gen == $self->{_goto_generation}) {
2278	delete $self->{_goto_generation};	2787	delete $self->{_goto_generation};
2279	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
2280	}	2789	}
		2790
		2791	$done->($self) if $done;
2281	})->prio (1);	2792	})->prio (1);
2282	}	2793	}
2283		2794
2284	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
2285		2796
…		…
2305	}	2816	}
2306		2817
2307	sub prepare_random_map {	2818	sub prepare_random_map {
2308	my ($exit) = @_;	2819	my ($exit) = @_;
2309		2820
2310	my $guard = cf::lock_acquire "exit_prepare:$exit";
2311
2312	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2313	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2314	# that depends on the exit object	2823	# that depends on the exit object
2315		2824
2316	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2318	if ($exit->map) {	2827	if ($exit->map) {
2319	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2320	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2321	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2322	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2323	}	2834	}
2324		2835
2325	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2326		2837
2327	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2328	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2329	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2330		2841
2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2332	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2333	undef $fh;	2844	undef $fh;
2334	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2335		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2336	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2337	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2338	}	2853	}
2339	}	2854	}
2340		2855
2341	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2342	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2343		2858
2344	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2345		2860
2346	if ($exit->slaying eq "/!") {
2347	#TODO: this should de-fi-ni-te-ly not be a sync-job
2348	# the problem is that $exit might not survive long enough
2349	# so it needs to be done right now, right here
2350	cf::sync_job { prepare_random_map $exit };
2351	}
2352
2353	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2354	my $hp = $exit->stats->hp;
2355	my $sp = $exit->stats->sp;
2356
2357	$self->enter_link;	2861	$self->enter_link;
2358		2862
2359	(async {	2863	(async {
2360	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2361	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2362	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2363		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2364	1;	2887	1
2365	}) {	2888	}) {
2366	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2367	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2368	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2369	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2370		2893
2371	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2372	$self->leave_link;	2895	$self->leave_link;
2373	}	2896	}
2374	})->prio (1);	2897	})->prio (1);
2375	}	2898	}
2376		2899
…		…
2390		2913
2391	utf8::encode $text;	2914	utf8::encode $text;
2392	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2393	}	2916	}
2394		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
2395	=item $client->send_msg ($color, $type, $msg, [extra...])	2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
2396		2944
2397	Send a drawinfo or msg packet to the client, formatting the msg for the	2945	Send a drawinfo or msg packet to the client, formatting the msg for the
2398	client if neccessary. C<$type> should be a string identifying the type of	2946	client if neccessary. C<$type> should be a string identifying the type of
2399	the message, with C<log> being the default. If C<$color> is negative, suppress	2947	the message, with C<log> being the default. If C<$color> is negative, suppress
2400	the message unless the client supports the msg packet.	2948	the message unless the client supports the msg packet.
2401		2949
2402	=cut	2950	=cut
2403		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
2404	sub cf::client::send_msg {	3066	sub cf::client::send_msg {
2405	my ($self, $color, $type, $msg, @extra) = @_;	3067	my ($self, $channel, $msg, $color, @extra) = @_;
2406		3068
2407	$msg = $self->pl->expand_cfpod ($msg);	3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
2408		3071
2409	if ($self->can_msg) {	3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2411	} else {
2412	# replace some tags by gcfclient-compatible ones
2413	for ($msg) {
2414	1 while
2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2420	}
2421		3073
2422	if ($color >= 0) {	3074	# check predefined channels, for the benefit of C
2423	if (0 && $msg =~ /\[/) {	3075	if ($CHANNEL{$channel}) {
2424	$self->send_packet ("drawextinfo $color 4 0 $msg")	3076	$channel = $CHANNEL{$channel};
2425	} else {	3077
2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3078	$self->ext_msg (channel_info => $channel);
2427	$self->send_packet ("drawinfo $color $msg")	3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
2428	}	3086	}
2429	}
2430	}
2431	}
2432		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2433	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2434		3106
2435	Sends an ext event to the client.	3107	Sends an ext event to the client.
2436		3108
2437	=cut	3109	=cut
2438		3110
2439	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2440	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2441		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2442	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
2444	}	3138	}
2445		3139
2446	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2447		3141
2448	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
…		…
2503	my ($ns, $buf) = @_;	3197	my ($ns, $buf) = @_;
2504		3198
2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2506		3200
2507	if (ref $msg) {	3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3209	if (my $cb = $EXTICMD{$type}) {
2509	if (my %reply = $cb->($ns, $msg)) {	3210	@reply = $cb->($ns, @payload);
2510	$reply{msgid} = $msg->{msgid};
2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2512	}
2513	}	3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
2514	} else {	3216	} else {
2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2516	}	3218	}
2517		3219
2518	cf::override;	3220	cf::override;
2519	},	3221	},
2520	);	3222	);
…		…
2540		3242
2541	$coro	3243	$coro
2542	}	3244	}
2543		3245
2544	cf::client->attach (	3246	cf::client->attach (
2545	on_destroy => sub {	3247	on_client_destroy => sub {
2546	my ($ns) = @_;	3248	my ($ns) = @_;
2547		3249
2548	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2549	},	3251	},
2550	);	3252	);
…		…
2565	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2566	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2567		3269
2568	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2569		3271
2570	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2571		3277
2572	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2573		3279
2574	=pod	3280	=pod
2575		3281
2576	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2577		3283
2578	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2579	cf::object::player player	3289	cf::object::player
2580	cf::player peaceful	3290	player
2581	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2582		3297
2583	=cut	3298	=cut
2584		3299
2585	for (	3300	for (
2586	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2587	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2588	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2589	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2590	) {	3307	) {
2591	no strict 'refs';
2592	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2593	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2594	for @funs;	3310	for @funs;
2595	}	3311	}
2596		3312
…		…
2611		3327
2612	my $qcode = $code;	3328	my $qcode = $code;
2613	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2614	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2615		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2616	local $_;	3335	local $_;
2617	local @safe::cf::_safe_eval_args = values %vars;
2618		3336
2619	my $eval =	3337	my $eval =
2620	"do {\n"	3338	"do {\n"
2621	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2622	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2623	. $code	3341	. $code
2624	. "\n}"	3342	. "\n}"
2625	;	3343	;
2626		3344
		3345	if ($CFG{safe_eval}) {
2627	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2628	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2629	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2630		3354
2631	if ($@) {	3355	if ($@) {
2632	warn "$@";	3356	warn "$@",
2633	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2634	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2635	}	3359	}
2636		3360
2637	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2638	}	3362	}
2639		3363
…		…
2653	=cut	3377	=cut
2654		3378
2655	sub register_script_function {	3379	sub register_script_function {
2656	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2657		3381
2658	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2659	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2660	}	3384	}
2661		3385
2662	=back	3386	=back
2663		3387
2664	=cut	3388	=cut
…		…
2667	# the server's init and main functions	3391	# the server's init and main functions
2668		3392
2669	sub load_facedata($) {	3393	sub load_facedata($) {
2670	my ($path) = @_;	3394	my ($path) = @_;
2671		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2672	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2673		3403
2674	my $facedata;
2675	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2676	or die "$path: $!";	3405	or die "$path: $!";
2677		3406
2678	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2679		3408
2680	$facedata->{version} == 2	3409	$facedata->{version} == 2
2681	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2682		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
2683	{	3421	{
2684	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2685		3423
2686	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2691	Coro::cede;	3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3432
		3433	cf::cede_to_tick;
2692	}	3434	}
2693		3435
2694	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2695	next unless $info->{smooth};	3437	next unless $info->{smooth};
		3438
2696	my $idx = cf::face::find $face	3439	my $idx = cf::face::find $face
2697	or next;	3440	or next;
		3441
2698	if (my $smooth = cf::face::find $info->{smooth}) {	3442	if (my $smooth = cf::face::find $info->{smooth}) {
		3443	cf::face::set_smooth $idx, $smooth;
2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2700	} else {	3445	} else {
2701	warn "smooth face '$info->{smooth}' not found for face '$face'";	3446	error "smooth face '$info->{smooth}' not found for face '$face'";
2702	}	3447	}
2703	Coro::cede;	3448
		3449	cf::cede_to_tick;
2704	}	3450	}
2705	}	3451	}
2706		3452
2707	{	3453	{
2708	my $anims = $facedata->{animinfo};	3454	my $anims = $facedata->{animinfo};
2709		3455
2710	while (my ($anim, $info) = each %$anims) {	3456	while (my ($anim, $info) = each %$anims) {
2711	cf::anim::set $anim, $info->{frames}, $info->{facings};	3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
2712	Coro::cede;	3458	cf::cede_to_tick;
2713	}	3459	}
2714		3460
2715	cf::anim::invalidate_all; # d'oh	3461	cf::anim::invalidate_all; # d'oh
2716	}	3462	}
2717		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
2718	1	3483	1
2719	}	3484	}
2720		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
2721	sub reload_regions {	3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
2722	load_resource_file "$MAPDIR/regions"	3509	load_resource_file "$MAPDIR/regions"
2723	or die "unable to load regions file\n";	3510	or die "unable to load regions file\n";
		3511
		3512	for (cf::region::list) {
		3513	$_->{match} = qr/$_->{match}/
		3514	if exists $_->{match};
		3515	}
2724	}	3516	}
2725		3517
2726	sub reload_facedata {	3518	sub reload_facedata {
2727	load_facedata "$DATADIR/facedata"	3519	load_facedata "$DATADIR/facedata"
2728	or die "unable to load facedata\n";	3520	or die "unable to load facedata\n";
2729	}	3521	}
2730		3522
2731	sub reload_archetypes {	3523	sub reload_archetypes {
2732	load_resource_file "$DATADIR/archetypes"	3524	load_resource_file "$DATADIR/archetypes"
2733	or die "unable to load archetypes\n";	3525	or die "unable to load archetypes\n";
2734	#d# NEED to laod twice to resolve forward references
2735	# this really needs to be done in an extra post-pass
2736	# (which needs to be synchronous, so solve it differently)
2737	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";
2739	}	3526	}
2740		3527
2741	sub reload_treasures {	3528	sub reload_treasures {
2742	load_resource_file "$DATADIR/treasures"	3529	load_resource_file "$DATADIR/treasures"
2743	or die "unable to load treasurelists\n";	3530	or die "unable to load treasurelists\n";
2744	}	3531	}
2745		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
2746	sub reload_resources {	3556	sub reload_resources {
2747	warn "reloading resource files...\n";	3557	trace "reloading resource files...\n";
2748		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
2749	reload_regions;	3564	reload_regions;
2750	reload_facedata;
2751	#reload_archetypes;#d#
2752	reload_archetypes;
2753	reload_treasures;	3565	reload_treasures;
2754		3566
2755	warn "finished reloading resource files\n";	3567	trace "finished reloading resource files\n";
2756	}	3568	}
2757		3569
2758	sub init {	3570	sub reload_config {
2759	reload_resources;	3571	trace "reloading config file...\n";
2760	}
2761		3572
2762	sub cfg_load {	3573	0 < aio_load "$CONFDIR/config", my $config
2763	open my $fh, "<:utf8", "$CONFDIR/config"	3574	or die "$CONFDIR/config: $!";
2764	or return;
2765		3575
2766	local $/;	3576	utf8::decode $config;
2767	*CFG = YAML::Syck::Load <$fh>;	3577	*CFG = yaml_load $config;
2768		3578
2769	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2770		3580
2771	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2772	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2773		3583
2774	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2778	};	3588	};
2779	warn $@ if $@;	3589	warn $@ if $@;
2780	}	3590	}
2781	}	3591	}
2782		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2783	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2784	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2785	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2786	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2787	(async {	3634	(async {
2788	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2789	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2790	};	3638	};
2791		3639
2792	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2793	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2794	load_extensions;	3663	load_extensions;
2795		3664
2796	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2797	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2798	}	3683	}
2799		3684
2800	#############################################################################	3685	#############################################################################
2801	# initialisation and cleanup	3686	# initialisation and cleanup
2802		3687
2803	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2804	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2805	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2806	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2807	reentrant => 0,
2808	data => WF_AUTOCANCEL,
2809	signal => $signal,
2810	prio => 0,
2811	cb => sub {
2812	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2813	},
2814	);	3694	};
2815	}	3695	}
2816	}	3696	}
2817		3697
2818	sub write_runtime {	3698	sub write_runtime_sync {
2819	my $runtime = "$LOCALDIR/runtime";	3699	my $t0 = AE::time;
2820		3700
2821	# first touch the runtime file to show we are still running:	3701	# first touch the runtime file to show we are still running:
2822	# the fsync below can take a very very long time.	3702	# the fsync below can take a very very long time.
2823		3703
2824	IO::AIO::aio_utime $runtime, undef, undef;	3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2825		3705
2826	my $guard = cf::lock_acquire "write_runtime";	3706	my $guard = cf::lock_acquire "write_runtime";
2827		3707
2828	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2829	or return;	3709	or return;
2830		3710
2831	my $value = $cf::RUNTIME + 90 + 10;	3711	my $value = $cf::RUNTIME + 90 + 10;
2832	# 10 is the runtime save interval, for a monotonic clock	3712	# 10 is the runtime save interval, for a monotonic clock
2833	# 60 allows for the watchdog to kill the server.	3713	# 60 allows for the watchdog to kill the server.
…		…
2843	aio_utime $fh, undef, undef;	3723	aio_utime $fh, undef, undef;
2844		3724
2845	close $fh	3725	close $fh
2846	or return;	3726	or return;
2847		3727
2848	aio_rename "$runtime~", $runtime	3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2849	and return;	3729	and return;
2850		3730
2851	warn "runtime file written.\n";	3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2852		3732
2853	1	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2854	}	3784	}
2855		3785
2856	sub emergency_save() {	3786	sub emergency_save() {
2857	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2858		3788
2859	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2860		3795
2861	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2862	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2863	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2864	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2865	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2866	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2867	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2868	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2869	$pl->save;	3807	$pl->save;
2870	}	3808	}
2871	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2872		3810
2873	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2874	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2875	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2876	$map->valid or next;	3816	$map->valid or next;
2877	$map->save;	3817	$map->save;
2878	}	3818	}
2879	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
2880		3820
2881	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
2882	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
2883	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2884	};	3849	};
2885		3850
2886	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2887	}	3852	}
2888		3853
2889	sub post_cleanup {	3854	sub post_cleanup {
2890	my ($make_core) = @_;	3855	my ($make_core) = @_;
2891		3856
		3857	IO::AIO::flush;
		3858
2892	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
2893	if $make_core;	3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
2894	}	3889	}
2895		3890
2896	sub do_reload_perl() {	3891	sub do_reload_perl() {
2897	# can/must only be called in main	3892	# can/must only be called in main
2898	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2899	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
2900	return;	3895	return;
2901	}	3896	}
2902		3897
2903	warn "reloading...";	3898	return if $RELOAD++;
2904		3899
2905	warn "entering sync_job";	3900	my $t1 = AE::time;
2906		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
2907	cf::sync_job {	3908	cf::sync_job {
2908	cf::write_runtime; # external watchdog should not bark
2909	cf::emergency_save;	3909	#cf::emergency_save;
2910	cf::write_runtime; # external watchdog should not bark
2911		3910
2912	warn "syncing database to disk";
2913	BDB::db_env_txn_checkpoint $DB_ENV;
2914
2915	# if anything goes wrong in here, we should simply crash as we already saved
2916
2917	warn "cancelling all WF_AUTOCANCEL watchers";
2918	for (Event::all_watchers) {
2919	$_->cancel if $_->data & WF_AUTOCANCEL;
2920	}
2921
2922	warn "flushing outstanding aio requests";
2923	for (;;) {
2924	BDB::flush;
2925	IO::AIO::flush;
2926	Coro::cede;
2927	last unless IO::AIO::nreqs || BDB::nreqs;
2928	warn "iterate...";
2929	}
2930
2931	++$RELOAD;
2932
2933	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
2934	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2935	%EXT_CORO = ();	3913	%EXT_CORO = ();
2936		3914
2937	warn "removing commands";	3915	trace "perl_reload: removing commands";
2938	%COMMAND = ();	3916	%COMMAND = ();
2939		3917
2940	warn "removing ext/exti commands";	3918	trace "perl_reload: removing ext/exti commands";
2941	%EXTCMD = ();	3919	%EXTCMD = ();
2942	%EXTICMD = ();	3920	%EXTICMD = ();
2943		3921
2944	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
2945	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
2946	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
2947		3925
2948	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
2949	eval {	3927	eval {
2950	$cb->($pkg);	3928	$cb->($pkg);
2951	1	3929	1
2952	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2953	}	3935	}
2954		3936
2955	warn "... nuking $pkg";
2956	Symbol::delete_package $pkg;
2957	}
2958
2959	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2960	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
2961	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2962		3940
2963	warn "... unloading $k";	3941	trace "... unloading $k";
2964	delete $INC{$k};	3942	delete $INC{$k};
2965		3943
2966	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
2967	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
2968		3946
2969	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
2970	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
2971	}	3952	}
2972		3953
2973	Symbol::delete_package $k;
2974	}
2975
2976	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
2977	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
2978	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2979		3957
2980	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
2981	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
2982	delete $INC{"cf/pod.pm"};	3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2983		3961
2984	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
2985	# and global variables created in xs	3963	# and global variables created in xs
2986	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
2987		3965
2988	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
2989		3967
2990	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
2991	require cf;	3969	require cf;
2992	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
2993		3971
2994	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
2995	cf::cfg_load;	3973	cf::reload_config;
2996		3974
2997	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
2998	cf::load_extensions;	3976	cf::load_extensions;
2999		3977
		3978	if ($REATTACH_ON_RELOAD) {
3000	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
3001	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
3002	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
3003	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
3004	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
3005	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
3006		3986
3007	warn "leaving sync_job";	3987	cf::_post_init 1;
3008		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
3009	1	3991	1
3010	} or do {	3992	} or do {
3011	warn $@;	3993	error $@;
3012	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
3013	exit 1;	3995	};
		3996
		3997	--$RELOAD;
3014	};	3998	}
3015		3999
3016	warn "reloaded";	4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
3017	};	4002	};
3018		4003
3019	our $RELOAD_WATCHER; # used only during reload	4004	our $RELOAD_WATCHER; # used only during reload
3020		4005
3021	sub reload_perl() {	4006	sub reload_perl() {
3022	# doing reload synchronously and two reloads happen back-to-back,	4007	# doing reload synchronously and two reloads happen back-to-back,
3023	# coro crashes during coro_state_free->destroy here.	4008	# coro crashes during coro_state_free->destroy here.
3024		4009
3025	$RELOAD_WATCHER ||= Event->timer (	4010	$RELOAD_WATCHER ||= cf::async {
3026	reentrant => 0,	4011	Coro::AIO::aio_wait cache_extensions;
3027	after => 0,	4012
3028	data => WF_AUTOCANCEL,	4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3029	cb => sub {
3030	do_reload_perl;	4014	do_reload_perl;
3031	undef $RELOAD_WATCHER;	4015	undef $RELOAD_WATCHER;
3032	},	4016	};
3033	);	4017	};
3034	}	4018	}
3035		4019
3036	register_command "reload" => sub {	4020	register_command "reload" => sub {
3037	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
3038		4022
3039	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
3040	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
3041	async { reload_perl };	4027	reload_perl;
		4028	};
3042	}	4029	}
3043	};	4030	};
3044		4031
3045	unshift @INC, $LIBDIR;	4032	#############################################################################
3046		4033
3047	my $bug_warning = 0;	4034	my $bug_warning = 0;
3048		4035
3049	our @WAIT_FOR_TICK;	4036	our @WAIT_FOR_TICK;
3050	our @WAIT_FOR_TICK_BEGIN;	4037	our @WAIT_FOR_TICK_BEGIN;
3051		4038
3052	sub wait_for_tick {	4039	sub wait_for_tick() {
3053	return unless $TICK_WATCHER->is_active;
3054	return if $Coro::current == $Coro::main;	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3055		4041
3056	my $signal = new Coro::Signal;	4042	my $signal = new Coro::Signal;
3057	push @WAIT_FOR_TICK, $signal;	4043	push @WAIT_FOR_TICK, $signal;
3058	$signal->wait;	4044	$signal->wait;
3059	}	4045	}
3060		4046
3061	sub wait_for_tick_begin {	4047	sub wait_for_tick_begin() {
3062	return unless $TICK_WATCHER->is_active;
3063	return if $Coro::current == $Coro::main;	4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3064		4049
3065	my $signal = new Coro::Signal;	4050	my $signal = new Coro::Signal;
3066	push @WAIT_FOR_TICK_BEGIN, $signal;	4051	push @WAIT_FOR_TICK_BEGIN, $signal;
3067	$signal->wait;	4052	$signal->wait;
3068	}	4053	}
3069		4054
3070	my $min = 1e6;#d#	4055	sub tick {
3071	my $avg = 10;
3072	$TICK_WATCHER = Event->timer (
3073	reentrant => 0,
3074	parked => 1,
3075	prio => 0,
3076	at => $NEXT_TICK || $TICK,
3077	data => WF_AUTOCANCEL,
3078	cb => sub {
3079	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3081	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
3082	return;	4059	return;
3083	}	4060	}
3084		4061
3085	$NOW = $tick_start = Event::time;
3086
3087	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
3088		4063
3089	0 && sync_job {#d#	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3090	for(1..10) {
3091	my $t = Event::time;
3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3093	or die;
3094		4065
3095	$map->width (50);	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3096	$map->height (50);	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3097	$map->alloc;	4068	Coro::async_pool {
3098	$map->_load_objects ("/tmp/x.map", 1);	4069	$Coro::current->{desc} = "runtime saver";
3099	my $t = Event::time - $t;	4070	write_runtime_sync
3100		4071	or error "ERROR: unable to write runtime file: $!";
3101	#next unless $t < 0.0013;#d#
3102	if ($t < $min) {
3103	$min = $t;
3104	}
3105	$avg = $avg * 0.99 + $t * 0.01;
3106	}
3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3108	exit 0;
3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3110	};	4072	};
		4073	}
3111		4074
3112	$RUNTIME += $TICK;
3113	$NEXT_TICK += $TICK;
3114
3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
3117	Coro::async_pool {
3118	write_runtime
3119	or warn "ERROR: unable to write runtime file: $!";
3120	};
3121	}
3122
3123	# my $AFTER = Event::time;
3124	# warn $AFTER - $NOW;#d#
3125
3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3127	$sig->send;	4076	$sig->send;
3128	}	4077	}
3129	while (my $sig = shift @WAIT_FOR_TICK) {	4078	while (my $sig = shift @WAIT_FOR_TICK) {
3130	$sig->send;	4079	$sig->send;
3131	}	4080	}
3132		4081
3133	$NOW = Event::time;	4082	$LOAD = ($NOW - $TICK_START) / $TICK;
3134
3135	# if we are delayed by four ticks or more, skip them all
3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3137
3138	$TICK_WATCHER->at ($NEXT_TICK);
3139	$TICK_WATCHER->start;
3140
3141	$LOAD = ($NOW - $tick_start) / $TICK;
3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3143		4084
3144	_post_tick;	4085	if (0) {
3145		4086	if ($NEXT_TICK) {
3146		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
3147	},	4091	}
3148	);	4092	}
3149		4093
3150	{	4094	{
3151	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
3152	$BDB_POLL_WATCHER = Event->io (	4096
3153	reentrant => 0,
3154	fd => BDB::poll_fileno,
3155	poll => 'r',
3156	prio => 0,
3157	data => WF_AUTOCANCEL,
3158	cb => \&BDB::poll_cb,
3159	);
3160	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
3161		4098	BDB::max_poll_reqs $TICK * 0.1;
3162	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
3163	my $status;
3164	my $current = $Coro::current;
3165	(
3166	sub {
3167	$status = $!;
3168	$current->ready; undef $current;
3169	},
3170	sub {
3171	Coro::schedule while defined $current;
3172	$! = $status;
3173	},
3174	)
3175	};
3176		4100
3177	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
3178	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3179		4108
3180	cf::sync_job {	4109	cf::sync_job {
3181	eval {	4110	eval {
3182	BDB::db_env_open	4111	BDB::db_env_open
3183	$DB_ENV,	4112	$DB_ENV,
…		…
3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3187	0666;	4116	0666;
3188		4117
3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3190
3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3192	$DB_ENV->set_lk_detect;
3193	};	4119	};
3194		4120
3195	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
3196	};	4122	};
3197	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
3198	}	4134	}
3199		4135
3200	{	4136	{
		4137	# configure IO::AIO
		4138
3201	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
3202
3203	undef $Coro::AIO::WATCHER;
3204	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
3205	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
3206	reentrant => 0,
3207	data => WF_AUTOCANCEL,
3208	fd => IO::AIO::poll_fileno,
3209	poll => 'r',
3210	prio => 6,
3211	cb => \&IO::AIO::poll_cb,
3212	);
3213	}	4142	}
3214		4143
3215	my $_log_backtrace;	4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
3216		4146
3217	sub _log_backtrace {	4147	sub _log_backtrace {
3218	my ($msg, @addr) = @_;	4148	my ($msg, @addr) = @_;
3219		4149
3220	$msg =~ s/\n//;	4150	$msg =~ s/\n$//;
3221		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3222	# limit the # of concurrent backtraces	4155	# limit the # of concurrent backtraces
3223	if ($_log_backtrace < 2) {	4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
3224	++$_log_backtrace;	4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
3225	async {	4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
3226	my @bt = fork_call {	4163	my @bt = fork_call {
3227	@addr = map { sprintf "%x", $_ } @addr;	4164	@addr = map { sprintf "%x", $_ } @addr;
3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3230	or die "addr2line: $!";	4167	or die "addr2line: $!";
…		…
3238	}	4175	}
3239		4176
3240	@funcs	4177	@funcs
3241	};	4178	};
3242		4179
3243	LOG llevInfo, "[ABT] $msg\n";	4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3244	LOG llevInfo, "[ABT] $_\n" for @bt;	4182	LOG llevInfo, "[ABT] $_\n" for @bt;
3245	--$_log_backtrace;	4183	--$_log_backtrace;
3246	};	4184	};
3247	} else {	4185	} else {
3248	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $msg\n";
3249	LOG llevInfo, "[ABT] [suppressed]\n";	4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3250	}	4188	}
3251	}	4189	}
3252		4190
3253	# load additional modules	4191	# load additional modules
3254	use cf::pod;	4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
3255		4194
3256	END { cf::emergency_save }	4195	END { cf::emergency_save }
3257		4196
3258	1	4197	1
3259		4198

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