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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.295 by root, Wed Jul 4 05:08:15 2007 UTC vs.
Revision 1.556 by root, Sat Jul 3 01:49:18 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	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1431		1787
1432	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1433		1789
1434	=cut	1790	=cut
1435		1791
1436	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1438		1794
1439	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1796	}
1442		1797
1443	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1444		1799
1445	Sends an ext event to the client.	1800	Sends an ext event to the client.
1446		1801
1447	=cut	1802	=cut
1448		1803
1449	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1451		1806
1452	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1453	}	1808	}
1454		1809
1455	=head3 cf::region	1810	=head3 cf::region
1456		1811
1457	=over 4	1812	=over 4
…		…
1467	=cut	1822	=cut
1468		1823
1469	sub find_by_path($) {	1824	sub find_by_path($) {
1470	my ($path) = @_;	1825	my ($path) = @_;
1471		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1472	my ($match, $specificity);	1829	my ($match, $specificity);
1473		1830
1474	for my $region (list) {	1831	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1478	}	1835	}
1479	}	1836	}
1480		1837
…		…
1501	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1503		1860
1504	sub generate_random_map {	1861	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1506	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1507	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1519	)
1520	}	1867	}
1521		1868
1522	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1523		1870
1524	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
…		…
1529		1876
1530	sub register {	1877	sub register {
1531	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	1879	my $pkg = caller;
1533		1880
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		1882
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	1884	}
1539		1885
1540	# also paths starting with '/'	1886	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		1888
1543	sub thawer_merge {	1889	sub thawer_merge {
1544	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1545		1891
1546	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
…		…
1551	}	1897	}
1552		1898
1553	sub normalise {	1899	sub normalise {
1554	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1555		1901
1556	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1557		1903
1558	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1559		1905
1560	# map plan:	1906	# map plan:
1561	#	1907	#
…		…
1576	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	1923	$path = "$base/$path";
1578	}	1924	}
1579		1925
1580	for ($path) {	1926	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1584	}	1929	}
1585		1930
1586	$path	1931	$path
…		…
1600	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1601	return $self;	1946	return $self;
1602	}	1947	}
1603	}	1948	}
1604		1949
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	1951	()
1607	}	1952	}
1608		1953
1609	sub init {	1954	sub init {
1610	my ($self) = @_;	1955	my ($self) = @_;
…		…
1632		1977
1633	# the temporary/swap location	1978	# the temporary/swap location
1634	sub save_path {	1979	sub save_path {
1635	my ($self) = @_;	1980	my ($self) = @_;
1636		1981
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1639	}	1984	}
1640		1985
1641	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1642	sub uniq_path {	1987	sub uniq_path {
1643	my ($self) = @_;	1988	my ($self) = @_;
1644		1989
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	1992	}
1657		1993
1658	sub decay_objects {	1994	sub decay_objects {
1659	my ($self) = @_;	1995	my ($self) = @_;
1660		1996
…		…
1673		2009
1674	sub load_header_from($) {	2010	sub load_header_from($) {
1675	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1676		2012
1677	utf8::encode $path;	2013	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	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;
1683		2022
1684	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1685		2024
1686	1	2025	1
1687	}	2026	}
…		…
1739		2078
1740	sub find;	2079	sub find;
1741	sub find {	2080	sub find {
1742	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1743		2082
		2083	cf::cede_to_tick;
		2084
1744	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1745		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2089
1748	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1751	or return;	2092	or return;
1752		2093
1753	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1754		2095
…		…
1756	or return;	2097	or return;
1757		2098
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1761	$map->reset;	2104	$map->reset;
1762	undef $guard;
1763	return find $path;	2105	return find $path;
1764	}	2106	}
1765		2107
1766	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1767	}	2109	}
1768	}	2110	}
1769		2111
1770	sub pre_load { }	2112	sub pre_load { }
1771	sub post_load { }	2113	#sub post_load { } # XS
1772		2114
1773	sub load {	2115	sub load {
1774	my ($self) = @_;	2116	my ($self) = @_;
1775		2117
1776	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1777		2119
1778	my $path = $self->{path};	2120	my $path = $self->{path};
1779		2121
1780	{	2122	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1782		2124
		2125	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2127
1785	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1786		2129
1787	$self->alloc;	2130	$self->alloc;
1788		2131
1789	$self->pre_load;	2132	$self->pre_load;
1790	Coro::cede;	2133	cf::cede_to_tick;
1791		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1793	or return;	2138	or return;
1794		2139
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1796	if delete $self->{load_original};	2141	if delete $self->{load_original};
1797		2142
1798	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2144	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2147	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1803	}	2151	}
1804	}	2152	}
1805		2153
1806	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1807	# now do the right thing for maps	2157	# now do the right thing for maps
1808	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2160	unless $self->difficulty;
1811	Coro::cede;	2161	cf::cede_to_tick;
1812		2162
1813	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2164	$self->decay_objects;
1815	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1816	$self->update_buttons;	2166	$self->update_buttons;
1817	Coro::cede;	2167	cf::cede_to_tick;
1818	$self->set_darkness_map;
1819	Coro::cede;
1820	$self->activate;	2168	$self->activate;
1821	}	2169	}
1822		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2175	}
1825		2176
1826	$self->post_load;	2177	$self->post_load;
1827	}
1828		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
1829	sub customise_for {	2185	sub customise_for {
1830	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1831		2187
1832	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2189	if $self->per_player;
…		…
1837		2193
1838	$self	2194	$self
1839	}	2195	}
1840		2196
1841	# 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
1842	sub load_diag {	2198	sub load_neighbours {
1843	my ($map) = @_;	2199	my ($map) = @_;
1844		2200
1845	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1846		2202
1847	for (0 .. 3) {	2203	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1849	or next;	2205	or next;
1850	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1851	or next;	2207	or next;
1852	$neigh->load;	2208	$neigh->load;
1853		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2214	}
1857		2215
1858	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1860	or next;	2219	or next;
1861	$neigh->load;	2220	$neigh->load;
1862	}	2221	}
1863	}	2222	}
1864		2223
1865	sub find_sync {	2224	sub find_sync {
1866	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1867		2226
1868	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
1869	}	2231	}
1870		2232
1871	sub do_load_sync {	2233	sub do_load_sync {
1872	my ($map) = @_;	2234	my ($map) = @_;
1873		2235
1874	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;
1875	}	2240	}
1876		2241
1877	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1879		2244
1880	sub find_async {	2245	sub find_async {
1881	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1882		2247
1883	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1884		2249
1885	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2252	}
1888		2253
1889	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1890	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1891	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2261	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2262	$map->load if $v;
		2263	}
1896		2264
1897	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1898	}	2266	}
1899	}	2267	}
1900	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1901	};	2269	};
1902	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1903		2271
1904	()	2272	()
1905	}	2273	}
1906		2274
		2275	# common code, used by both ->save and ->swapout
1907	sub save {	2276	sub _save {
1908	my ($self) = @_;	2277	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2278
1912	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1913		2280
1914	return unless $self->dirty;	2281	return unless $self->dirty;
1915		2282
…		…
1921	return if $self->{deny_save};	2288	return if $self->{deny_save};
1922		2289
1923	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1924		2291
1925	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1927	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1928		2298
1929	if ($uniq) {	2299	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2302	} else {
1933	$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);
1934	}	2304	}
1935	}	2305	}
1936		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1937	sub swap_out {	2315	sub swap_out {
1938	my ($self) = @_;	2316	my ($self) = @_;
1939		2317
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1945	return if $self->players;	2322	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		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
1949	$self->clear;	2333	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2334	}
1952		2335
1953	sub reset_at {	2336	sub reset_at {
1954	my ($self) = @_;	2337	my ($self) = @_;
1955		2338
…		…
1973		2356
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2358
1976	return if $self->players;	2359	return if $self->players;
1977		2360
1978	warn "resetting map ", $self->path;	2361	cf::trace "resetting map ", $self->path, "\n";
1979		2362
1980	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1981		2364
1982	# need to save uniques path	2365	# need to save uniques path
1983	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1987	if $uniq;	2370	if $uniq;
1988	}	2371	}
1989		2372
1990	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1991		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2377	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2378
1996	$self->unlink_save;	2379	$self->unlink_save;
1997	$self->destroy;	2380	$self->destroy;
1998	}	2381	}
1999		2382
2000	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
2001		2384
2002	sub nuke {	2385	sub nuke {
2003	my ($self) = @_;	2386	my ($self) = @_;
2004		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
2005	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
2006		2392
2007	$self->unlink_save;	2393	$self->unlink_save;
2008		2394
2009	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2400
2015	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
2016		2403
2017	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
2018	}	2405	}
2019		2406
2020	=item $maps = cf::map::tmp_maps	2407	=item $maps = cf::map::tmp_maps
…		…
2062		2449
2063	sub unique_maps() {	2450	sub unique_maps() {
2064	[	2451	[
2065	map {	2452	map {
2066	utf8::decode $_;	2453	utf8::decode $_;
2067	/\.map$/	2454	s/\.map$//; # TODO future compatibility hack
		2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
2068	? normalise $_	2457	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2458	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2459	]
2072	}	2460	}
2073		2461
2074	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	}
2075		2493
2076	=back	2494	=back
2077		2495
2078	=head3 cf::object	2496	=head3 cf::object
2079		2497
…		…
2083		2501
2084	=over 4	2502	=over 4
2085		2503
2086	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
2087		2505
2088	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.
2089		2508
2090	=cut	2509	=cut
2091		2510
2092	sub inv_recursive_;	2511	sub inv_recursive_;
2093	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
2096		2515
2097	sub inv_recursive {	2516	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
2099	}	2518	}
2100		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
2101	package cf;	2548	package cf;
2102		2549
2103	=back	2550	=back
2104		2551
2105	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
2111	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>
2112	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
2113	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
2114		2561
2115	=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	};
2116		2577
2117	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2579	# with dialog boxes.
2119	#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
2120	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
2127		2588
2128	} else {	2589	} else {
2129	my $pl = $self->contr;	2590	my $pl = $self->contr;
2130		2591
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2593	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2595
2140	} else {	2596	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2599	}
2144	}	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 (@_);
2145	}	2611	}
2146		2612
2147	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
2148		2614
2149	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
2162		2628
2163	=item $player_object->enter_link	2629	=item $player_object->enter_link
2164		2630
2165	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}>).
2166		2632
2167	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.
2168	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.
2169		2637
2170	Will never block.	2638	Will never block.
2171		2639
2172	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
2173		2641
…		…
2193	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2662	my ($self) = @_;
2195		2663
2196	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
2197		2665
		2666	++$self->{_link_recursion};
		2667
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2669
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2671	if $self->map && $self->map->{path} ne "{link}";
2202		2672
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2674	}
2205		2675
2206	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
2208		2678
…		…
2225	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
2227		2697
2228	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
2231		2701
2232	$map->load;	2702	$map->load;
2233	$map->load_diag;	2703	$map->load_neighbours;
2234		2704
2235	return unless $self->contr->active;	2705	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2706
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
2240	}	2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
		2712	$self->activate_recursive;
		2713	}
2241		2714
		2715	}
		2716
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2718
2244	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
2245	her, loading and preparing them map, calling the provided $check callback	2720	her, loading and preparing them map, calling the provided $check callback
2246	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
2247	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 >>.
2248		2727
2249	=cut	2728	=cut
2250		2729
2251	our $GOTOGEN;	2730	our $GOTOGEN;
2252		2731
2253	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
2254	my ($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	}
2255		2740
2256	# 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
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2743
2259	$self->enter_link;	2744	$self->enter_link;
2260		2745
2261	(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
2262	my $map = eval {	2768	my $map = eval {
2263	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
2264		2770
2265	if ($map) {	2771	if ($map) {
2266	$map = $map->customise_for ($self);	2772	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2773	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2774	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2776	}
2271		2777
2272	$map	2778	$map
2273	};	2779	};
2274		2780
…		…
2279		2785
2280	if ($gen == $self->{_goto_generation}) {	2786	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2787	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
2283	}	2789	}
		2790
		2791	$done->($self) if $done;
2284	})->prio (1);	2792	})->prio (1);
2285	}	2793	}
2286		2794
2287	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
2288		2796
…		…
2308	}	2816	}
2309		2817
2310	sub prepare_random_map {	2818	sub prepare_random_map {
2311	my ($exit) = @_;	2819	my ($exit) = @_;
2312		2820
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2823	# that depends on the exit object
2318		2824
2319	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2827	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2326	}	2834	}
2327		2835
2328	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2329		2837
2330	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2333		2841
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2844	undef $fh;
2337	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2338		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2341	}	2853	}
2342	}	2854	}
2343		2855
2344	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2346		2858
2347	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2348		2860
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2861	$self->enter_link;
2361		2862
2362	(async {	2863	(async {
2363	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2364	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
2365	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2366		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
2367	1;	2887	1
2368	}) {	2888	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "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. "
2371	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2893
2374	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2375	$self->leave_link;	2895	$self->leave_link;
2376	}	2896	}
2377	})->prio (1);	2897	})->prio (1);
2378	}	2898	}
2379		2899
…		…
2393		2913
2394	utf8::encode $text;	2914	utf8::encode $text;
2395	$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);
2396	}	2916	}
2397		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
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2944
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2945	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2946	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2947	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2948	the message unless the client supports the msg packet.
2404		2949
2405	=cut	2950	=cut
2406		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" => $CHAT_CHANNEL,
		3064	);
		3065
2407	sub cf::client::send_msg {	3066	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3067	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3068
2410	$msg = $self->pl->expand_cfpod ($msg);	3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		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);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
2411		3090
2412	return unless @extra || length $msg;	3091	return unless @extra || length $msg;
2413		3092
2414	if ($self->can_msg) {	3093	# default colour, mask it out
2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2416	} else {	3095	if $color & cf::NDI_DEF;
2417	# replace some tags by gcfclient-compatible ones
2418	for ($msg) {
2419	1 while
2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425	}
2426		3096
2427	if ($color >= 0) {	3097	my $pkt = "msg "
2428	if (0 && $msg =~ /\[/) {	3098	. $self->{json_coder}->encode (
2429	$self->send_packet ("drawextinfo $color 4 0 $msg")	3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2430	} else {	3100	);
2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432	$self->send_packet ("drawinfo $color $msg")
2433	}
2434	}
2435	}
2436	}
2437		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2438	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2439		3106
2440	Sends an ext event to the client.	3107	Sends an ext event to the client.
2441		3108
2442	=cut	3109	=cut
2443		3110
2444	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2445	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2446		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2447	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2448	$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	}
2449	}	3138	}
2450		3139
2451	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2452		3141
2453	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
…		…
2508	my ($ns, $buf) = @_;	3197	my ($ns, $buf) = @_;
2509		3198
2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511		3200
2512	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
2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3209	if (my $cb = $EXTICMD{$type}) {
2514	if (my %reply = $cb->($ns, $msg)) {	3210	@reply = $cb->($ns, @payload);
2515	$reply{msgid} = $msg->{msgid};
2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2517	}
2518	}	3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
2519	} else {	3216	} else {
2520	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";
2521	}	3218	}
2522		3219
2523	cf::override;	3220	cf::override;
2524	},	3221	},
2525	);	3222	);
…		…
2545		3242
2546	$coro	3243	$coro
2547	}	3244	}
2548		3245
2549	cf::client->attach (	3246	cf::client->attach (
2550	on_destroy => sub {	3247	on_client_destroy => sub {
2551	my ($ns) = @_;	3248	my ($ns) = @_;
2552		3249
2553	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2554	},	3251	},
2555	);	3252	);
…		…
2570	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2571	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2572		3269
2573	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2574		3271
2575	$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	));
2576		3277
2577	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2578		3279
2579	=pod	3280	=pod
2580		3281
2581	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2582		3283
2583	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
2584	cf::object::player player	3289	cf::object::player
2585	cf::player peaceful	3290	player
2586	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2587		3297
2588	=cut	3298	=cut
2589		3299
2590	for (	3300	for (
2591	["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)],
2592	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2593	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2594	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2595	) {	3307	) {
2596	no strict 'refs';
2597	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2598	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2599	for @funs;	3310	for @funs;
2600	}	3311	}
2601		3312
…		…
2616		3327
2617	my $qcode = $code;	3328	my $qcode = $code;
2618	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2619	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2620		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2621	local $_;	3335	local $_;
2622	local @safe::cf::_safe_eval_args = values %vars;
2623		3336
2624	my $eval =	3337	my $eval =
2625	"do {\n"	3338	"do {\n"
2626	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2627	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2628	. $code	3341	. $code
2629	. "\n}"	3342	. "\n}"
2630	;	3343	;
2631		3344
		3345	if ($CFG{safe_eval}) {
2632	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2633	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2634	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	}
2635		3354
2636	if ($@) {	3355	if ($@) {
2637	warn "$@";	3356	warn "$@",
2638	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2639	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2640	}	3359	}
2641		3360
2642	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2643	}	3362	}
2644		3363
…		…
2658	=cut	3377	=cut
2659		3378
2660	sub register_script_function {	3379	sub register_script_function {
2661	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2662		3381
2663	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2664	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2665	}	3384	}
2666		3385
2667	=back	3386	=back
2668		3387
2669	=cut	3388	=cut
…		…
2672	# the server's init and main functions	3391	# the server's init and main functions
2673		3392
2674	sub load_facedata($) {	3393	sub load_facedata($) {
2675	my ($path) = @_;	3394	my ($path) = @_;
2676		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
2677	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2678		3403
2679	my $facedata;
2680	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2681	or die "$path: $!";	3405	or die "$path: $!";
2682		3406
2683	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2684		3408
2685	$facedata->{version} == 2	3409	$facedata->{version} == 2
2686	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2687		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
2688	{	3421	{
2689	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2690		3423
2691	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2696	Coro::cede;	3431
		3432	cf::cede_to_tick;
2697	}	3433	}
2698		3434
2699	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2700	next unless $info->{smooth};	3436	next unless $info->{smooth};
		3437
2701	my $idx = cf::face::find $face	3438	my $idx = cf::face::find $face
2702	or next;	3439	or next;
		3440
2703	if (my $smooth = cf::face::find $info->{smooth}) {	3441	if (my $smooth = cf::face::find $info->{smooth}) {
		3442	cf::face::set_smooth $idx, $smooth;
2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3443	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705	} else {	3444	} else {
2706	warn "smooth face '$info->{smooth}' not found for face '$face'";	3445	error "smooth face '$info->{smooth}' not found for face '$face'";
2707	}	3446	}
2708	Coro::cede;	3447
		3448	cf::cede_to_tick;
2709	}	3449	}
2710	}	3450	}
2711		3451
2712	{	3452	{
2713	my $anims = $facedata->{animinfo};	3453	my $anims = $facedata->{animinfo};
2714		3454
2715	while (my ($anim, $info) = each %$anims) {	3455	while (my ($anim, $info) = each %$anims) {
2716	cf::anim::set $anim, $info->{frames}, $info->{facings};	3456	cf::anim::set $anim, $info->{frames}, $info->{facings};
2717	Coro::cede;	3457	cf::cede_to_tick;
2718	}	3458	}
2719		3459
2720	cf::anim::invalidate_all; # d'oh	3460	cf::anim::invalidate_all; # d'oh
2721	}	3461	}
2722		3462
		3463	{
		3464	my $res = $facedata->{resource};
		3465
		3466	while (my ($name, $info) = each %$res) {
		3467	if (defined $info->{type}) {
		3468	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3469
		3470	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3471	cf::face::set_type $idx, $info->{type};
		3472	} else {
		3473	$RESOURCE{$name} = $info; # unused
		3474	}
		3475
		3476	cf::cede_to_tick;
		3477	}
		3478	}
		3479
		3480	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3481
2723	1	3482	1
2724	}	3483	}
2725		3484
		3485	register_exticmd fx_want => sub {
		3486	my ($ns, $want) = @_;
		3487
		3488	while (my ($k, $v) = each %$want) {
		3489	$ns->fx_want ($k, $v);
		3490	}
		3491	};
		3492
		3493	sub load_resource_file($) {
		3494	my $guard = lock_acquire "load_resource_file";
		3495
		3496	my $status = load_resource_file_ $_[0];
		3497	get_slot 0.1, 100;
		3498	cf::arch::commit_load;
		3499
		3500	$status
		3501	}
		3502
2726	sub reload_regions {	3503	sub reload_regions {
		3504	# HACK to clear player env face cache, we need some signal framework
		3505	# for this (global event?)
		3506	%ext::player_env::MUSIC_FACE_CACHE = ();
		3507
2727	load_resource_file "$MAPDIR/regions"	3508	load_resource_file "$MAPDIR/regions"
2728	or die "unable to load regions file\n";	3509	or die "unable to load regions file\n";
		3510
		3511	for (cf::region::list) {
		3512	$_->{match} = qr/$_->{match}/
		3513	if exists $_->{match};
		3514	}
2729	}	3515	}
2730		3516
2731	sub reload_facedata {	3517	sub reload_facedata {
2732	load_facedata "$DATADIR/facedata"	3518	load_facedata "$DATADIR/facedata"
2733	or die "unable to load facedata\n";	3519	or die "unable to load facedata\n";
2734	}	3520	}
2735		3521
2736	sub reload_archetypes {	3522	sub reload_archetypes {
2737	load_resource_file "$DATADIR/archetypes"	3523	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";	3524	or die "unable to load archetypes\n";
2739	#d# NEED to laod twice to resolve forward references
2740	# this really needs to be done in an extra post-pass
2741	# (which needs to be synchronous, so solve it differently)
2742	load_resource_file "$DATADIR/archetypes"
2743	or die "unable to load archetypes\n";
2744	}	3525	}
2745		3526
2746	sub reload_treasures {	3527	sub reload_treasures {
2747	load_resource_file "$DATADIR/treasures"	3528	load_resource_file "$DATADIR/treasures"
2748	or die "unable to load treasurelists\n";	3529	or die "unable to load treasurelists\n";
2749	}	3530	}
2750		3531
		3532	sub reload_sound {
		3533	trace "loading sound config from $DATADIR/sound\n";
		3534
		3535	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3536	or die "$DATADIR/sound $!";
		3537
		3538	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3539
		3540	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3541	my $sound = $soundconf->{compat}[$_]
		3542	or next;
		3543
		3544	my $face = cf::face::find "sound/$sound->[1]";
		3545	cf::sound::set $sound->[0] => $face;
		3546	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3547	}
		3548
		3549	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3550	my $face = cf::face::find "sound/$v";
		3551	cf::sound::set $k => $face;
		3552	}
		3553	}
		3554
2751	sub reload_resources {	3555	sub reload_resources {
2752	warn "reloading resource files...\n";	3556	trace "reloading resource files...\n";
2753		3557
		3558	reload_exp_table;
		3559	reload_materials;
		3560	reload_facedata;
		3561	reload_sound;
		3562	reload_archetypes;
2754	reload_regions;	3563	reload_regions;
2755	reload_facedata;
2756	#reload_archetypes;#d#
2757	reload_archetypes;
2758	reload_treasures;	3564	reload_treasures;
2759		3565
2760	warn "finished reloading resource files\n";	3566	trace "finished reloading resource files\n";
2761	}	3567	}
2762		3568
2763	sub init {	3569	sub reload_config {
2764	reload_resources;	3570	trace "reloading config file...\n";
2765	}
2766		3571
2767	sub cfg_load {	3572	0 < aio_load "$CONFDIR/config", my $config
2768	open my $fh, "<:utf8", "$CONFDIR/config"	3573	or die "$CONFDIR/config: $!";
2769	or return;
2770		3574
2771	local $/;	3575	utf8::decode $config;
2772	*CFG = YAML::Syck::Load <$fh>;	3576	*CFG = yaml_load $config;
2773		3577
2774	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3578	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2775		3579
2776	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3580	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2777	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3581	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2778		3582
2779	if (exists $CFG{mlockall}) {	3583	if (exists $CFG{mlockall}) {
…		…
2783	};	3587	};
2784	warn $@ if $@;	3588	warn $@ if $@;
2785	}	3589	}
2786	}	3590	}
2787		3591
		3592	sub pidfile() {
		3593	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3594	or die "$PIDFILE: $!";
		3595	flock $fh, &Fcntl::LOCK_EX
		3596	or die "$PIDFILE: flock: $!";
		3597	$fh
		3598	}
		3599
		3600	# make sure only one server instance is running at any one time
		3601	sub atomic {
		3602	my $fh = pidfile;
		3603
		3604	my $pid = <$fh>;
		3605	kill 9, $pid if $pid > 0;
		3606
		3607	seek $fh, 0, 0;
		3608	print $fh $$;
		3609	}
		3610
		3611	sub main_loop {
		3612	trace "EV::loop starting\n";
		3613	if (1) {
		3614	EV::loop;
		3615	}
		3616	trace "EV::loop returned\n";
		3617	goto &main_loop unless $REALLY_UNLOOP;
		3618	}
		3619
2788	sub main {	3620	sub main {
		3621	cf::init_globals; # initialise logging
		3622
		3623	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3624	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3625	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3626	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3627
		3628	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3629
2789	# we must not ever block the main coroutine	3630	# we must not ever block the main coroutine
2790	local $Coro::idle = sub {	3631	local $Coro::idle = sub {
2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3632	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2792	(async {	3633	(async {
2793	Event::one_event;	3634	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3635	EV::loop EV::LOOP_ONESHOT;
2794	})->prio (Coro::PRIO_MAX);	3636	})->prio (Coro::PRIO_MAX);
2795	};	3637	};
2796		3638
2797	cfg_load;	3639	evthread_start IO::AIO::poll_fileno;
		3640
		3641	cf::sync_job {
		3642	cf::incloader::init ();
		3643
		3644	cf::init_anim;
		3645	cf::init_attackmess;
		3646	cf::init_dynamic;
		3647
		3648	cf::load_settings;
		3649
		3650	reload_resources;
		3651	reload_config;
2798	db_init;	3652	db_init;
		3653
		3654	cf::init_uuid;
		3655	cf::init_signals;
		3656	cf::init_skills;
		3657
		3658	cf::init_beforeplay;
		3659
		3660	atomic;
		3661
2799	load_extensions;	3662	load_extensions;
2800		3663
2801	$TICK_WATCHER->start;	3664	utime time, time, $RUNTIMEFILE;
2802	Event::loop;	3665
		3666	# no (long-running) fork's whatsoever before this point(!)
		3667	use POSIX ();
		3668	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3669
		3670	cf::_post_init 0;
		3671	};
		3672
		3673	cf::object::thawer::errors_are_fatal 0;
		3674	info "parse errors in files are no longer fatal from this point on.\n";
		3675
		3676	my $free_main; $free_main = EV::idle sub {
		3677	undef $free_main;
		3678	undef &main; # free gobs of memory :)
		3679	};
		3680
		3681	goto &main_loop;
2803	}	3682	}
2804		3683
2805	#############################################################################	3684	#############################################################################
2806	# initialisation and cleanup	3685	# initialisation and cleanup
2807		3686
2808	# install some emergency cleanup handlers	3687	# install some emergency cleanup handlers
2809	BEGIN {	3688	BEGIN {
		3689	our %SIGWATCHER = ();
2810	for my $signal (qw(INT HUP TERM)) {	3690	for my $signal (qw(INT HUP TERM)) {
2811	Event->signal (	3691	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2812	reentrant => 0,
2813	data => WF_AUTOCANCEL,
2814	signal => $signal,
2815	prio => 0,
2816	cb => sub {
2817	cf::cleanup "SIG$signal";	3692	cf::cleanup "SIG$signal";
2818	},
2819	);	3693	};
2820	}	3694	}
2821	}	3695	}
2822		3696
2823	sub write_runtime {	3697	sub write_runtime_sync {
2824	my $runtime = "$LOCALDIR/runtime";	3698	my $t0 = AE::time;
2825		3699
2826	# first touch the runtime file to show we are still running:	3700	# first touch the runtime file to show we are still running:
2827	# the fsync below can take a very very long time.	3701	# the fsync below can take a very very long time.
2828		3702
2829	IO::AIO::aio_utime $runtime, undef, undef;	3703	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2830		3704
2831	my $guard = cf::lock_acquire "write_runtime";	3705	my $guard = cf::lock_acquire "write_runtime";
2832		3706
2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3707	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2834	or return;	3708	or return;
2835		3709
2836	my $value = $cf::RUNTIME + 90 + 10;	3710	my $value = $cf::RUNTIME + 90 + 10;
2837	# 10 is the runtime save interval, for a monotonic clock	3711	# 10 is the runtime save interval, for a monotonic clock
2838	# 60 allows for the watchdog to kill the server.	3712	# 60 allows for the watchdog to kill the server.
…		…
2848	aio_utime $fh, undef, undef;	3722	aio_utime $fh, undef, undef;
2849		3723
2850	close $fh	3724	close $fh
2851	or return;	3725	or return;
2852		3726
2853	aio_rename "$runtime~", $runtime	3727	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2854	and return;	3728	and return;
2855		3729
2856	warn "runtime file written.\n";	3730	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2857		3731
2858	1	3732	1
		3733	}
		3734
		3735	our $uuid_lock;
		3736	our $uuid_skip;
		3737
		3738	sub write_uuid_sync($) {
		3739	$uuid_skip ||= $_[0];
		3740
		3741	return if $uuid_lock;
		3742	local $uuid_lock = 1;
		3743
		3744	my $uuid = "$LOCALDIR/uuid";
		3745
		3746	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3747	or return;
		3748
		3749	my $value = uuid_seq uuid_cur;
		3750
		3751	unless ($value) {
		3752	info "cowardly refusing to write zero uuid value!\n";
		3753	return;
		3754	}
		3755
		3756	my $value = uuid_str $value + $uuid_skip;
		3757	$uuid_skip = 0;
		3758
		3759	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3760	and return;
		3761
		3762	# always fsync - this file is important
		3763	aio_fsync $fh
		3764	and return;
		3765
		3766	close $fh
		3767	or return;
		3768
		3769	aio_rename "$uuid~", $uuid
		3770	and return;
		3771
		3772	trace "uuid file written ($value).\n";
		3773
		3774	1
		3775
		3776	}
		3777
		3778	sub write_uuid($$) {
		3779	my ($skip, $sync) = @_;
		3780
		3781	$sync ? write_uuid_sync $skip
		3782	: async { write_uuid_sync $skip };
2859	}	3783	}
2860		3784
2861	sub emergency_save() {	3785	sub emergency_save() {
2862	my $freeze_guard = cf::freeze_mainloop;	3786	my $freeze_guard = cf::freeze_mainloop;
2863		3787
2864	warn "enter emergency perl save\n";	3788	info "emergency_perl_save: enter\n";
		3789
		3790	# this is a trade-off: we want to be very quick here, so
		3791	# save all maps without fsync, and later call a global sync
		3792	# (which in turn might be very very slow)
		3793	local $USE_FSYNC = 0;
2865		3794
2866	cf::sync_job {	3795	cf::sync_job {
		3796	cf::write_runtime_sync; # external watchdog should not bark
		3797
2867	# use a peculiar iteration method to avoid tripping on perl	3798	# use a peculiar iteration method to avoid tripping on perl
2868	# refcount bugs in for. also avoids problems with players	3799	# refcount bugs in for. also avoids problems with players
2869	# and maps saved/destroyed asynchronously.	3800	# and maps saved/destroyed asynchronously.
2870	warn "begin emergency player save\n";	3801	info "emergency_perl_save: begin player save\n";
2871	for my $login (keys %cf::PLAYER) {	3802	for my $login (keys %cf::PLAYER) {
2872	my $pl = $cf::PLAYER{$login} or next;	3803	my $pl = $cf::PLAYER{$login} or next;
2873	$pl->valid or next;	3804	$pl->valid or next;
		3805	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874	$pl->save;	3806	$pl->save;
2875	}	3807	}
2876	warn "end emergency player save\n";	3808	info "emergency_perl_save: end player save\n";
2877		3809
2878	warn "begin emergency map save\n";	3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
		3812	info "emergency_perl_save: begin map save\n";
2879	for my $path (keys %cf::MAP) {	3813	for my $path (keys %cf::MAP) {
2880	my $map = $cf::MAP{$path} or next;	3814	my $map = $cf::MAP{$path} or next;
2881	$map->valid or next;	3815	$map->valid or next;
2882	$map->save;	3816	$map->save;
2883	}	3817	}
2884	warn "end emergency map save\n";	3818	info "emergency_perl_save: end map save\n";
2885		3819
2886	warn "begin emergency database checkpoint\n";	3820	cf::write_runtime_sync; # external watchdog should not bark
		3821
		3822	info "emergency_perl_save: begin database checkpoint\n";
2887	BDB::db_env_txn_checkpoint $DB_ENV;	3823	BDB::db_env_txn_checkpoint $DB_ENV;
2888	warn "end emergency database checkpoint\n";	3824	info "emergency_perl_save: end database checkpoint\n";
		3825
		3826	info "emergency_perl_save: begin write uuid\n";
		3827	write_uuid_sync 1;
		3828	info "emergency_perl_save: end write uuid\n";
		3829
		3830	cf::write_runtime_sync; # external watchdog should not bark
		3831
		3832	trace "emergency_perl_save: syncing database to disk";
		3833	BDB::db_env_txn_checkpoint $DB_ENV;
		3834
		3835	info "emergency_perl_save: starting sync\n";
		3836	IO::AIO::aio_sync sub {
		3837	info "emergency_perl_save: finished sync\n";
		3838	};
		3839
		3840	cf::write_runtime_sync; # external watchdog should not bark
		3841
		3842	trace "emergency_perl_save: flushing outstanding aio requests";
		3843	while (IO::AIO::nreqs || BDB::nreqs) {
		3844	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3845	}
		3846
		3847	cf::write_runtime_sync; # external watchdog should not bark
2889	};	3848	};
2890		3849
2891	warn "leave emergency perl save\n";	3850	info "emergency_perl_save: leave\n";
2892	}	3851	}
2893		3852
2894	sub post_cleanup {	3853	sub post_cleanup {
2895	my ($make_core) = @_;	3854	my ($make_core) = @_;
2896		3855
		3856	IO::AIO::flush;
		3857
2897	warn Carp::longmess "post_cleanup backtrace"	3858	error Carp::longmess "post_cleanup backtrace"
2898	if $make_core;	3859	if $make_core;
		3860
		3861	my $fh = pidfile;
		3862	unlink $PIDFILE if <$fh> == $$;
		3863	}
		3864
		3865	# a safer delete_package, copied from Symbol
		3866	sub clear_package($) {
		3867	my $pkg = shift;
		3868
		3869	# expand to full symbol table name if needed
		3870	unless ($pkg =~ /^main::.*::$/) {
		3871	$pkg = "main$pkg" if $pkg =~ /^::/;
		3872	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3873	$pkg .= '::' unless $pkg =~ /::$/;
		3874	}
		3875
		3876	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3877	my $stem_symtab = *{$stem}{HASH};
		3878
		3879	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3880	or return;
		3881
		3882	# clear all symbols
		3883	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3884	for my $name (keys %$leaf_symtab) {
		3885	_gv_clear *{"$pkg$name"};
		3886	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3887	}
2899	}	3888	}
2900		3889
2901	sub do_reload_perl() {	3890	sub do_reload_perl() {
2902	# can/must only be called in main	3891	# can/must only be called in main
2903	if ($Coro::current != $Coro::main) {	3892	unless (in_main) {
2904	warn "can only reload from main coroutine";	3893	error "can only reload from main coroutine";
2905	return;	3894	return;
2906	}	3895	}
2907		3896
2908	warn "reloading...";	3897	return if $RELOAD++;
2909		3898
2910	warn "entering sync_job";	3899	my $t1 = AE::time;
2911		3900
		3901	while ($RELOAD) {
		3902	cf::get_slot 0.1, -1, "reload_perl";
		3903	info "perl_reload: reloading...";
		3904
		3905	trace "perl_reload: entering sync_job";
		3906
2912	cf::sync_job {	3907	cf::sync_job {
2913	cf::write_runtime; # external watchdog should not bark
2914	cf::emergency_save;	3908	#cf::emergency_save;
2915	cf::write_runtime; # external watchdog should not bark
2916		3909
2917	warn "syncing database to disk";
2918	BDB::db_env_txn_checkpoint $DB_ENV;
2919
2920	# if anything goes wrong in here, we should simply crash as we already saved
2921
2922	warn "cancelling all WF_AUTOCANCEL watchers";
2923	for (Event::all_watchers) {
2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2925	}
2926
2927	warn "flushing outstanding aio requests";
2928	for (;;) {
2929	BDB::flush;
2930	IO::AIO::flush;
2931	Coro::cede;
2932	last unless IO::AIO::nreqs || BDB::nreqs;
2933	warn "iterate...";
2934	}
2935
2936	++$RELOAD;
2937
2938	warn "cancelling all extension coros";	3910	trace "perl_reload: cancelling all extension coros";
2939	$_->cancel for values %EXT_CORO;	3911	$_->cancel for values %EXT_CORO;
2940	%EXT_CORO = ();	3912	%EXT_CORO = ();
2941		3913
2942	warn "removing commands";	3914	trace "perl_reload: removing commands";
2943	%COMMAND = ();	3915	%COMMAND = ();
2944		3916
2945	warn "removing ext/exti commands";	3917	trace "perl_reload: removing ext/exti commands";
2946	%EXTCMD = ();	3918	%EXTCMD = ();
2947	%EXTICMD = ();	3919	%EXTICMD = ();
2948		3920
2949	warn "unloading/nuking all extensions";	3921	trace "perl_reload: unloading/nuking all extensions";
2950	for my $pkg (@EXTS) {	3922	for my $pkg (@EXTS) {
2951	warn "... unloading $pkg";	3923	trace "... unloading $pkg";
2952		3924
2953	if (my $cb = $pkg->can ("unload")) {	3925	if (my $cb = $pkg->can ("unload")) {
2954	eval {	3926	eval {
2955	$cb->($pkg);	3927	$cb->($pkg);
2956	1	3928	1
2957	} or warn "$pkg unloaded, but with errors: $@";	3929	} or error "$pkg unloaded, but with errors: $@";
		3930	}
		3931
		3932	trace "... clearing $pkg";
		3933	clear_package $pkg;
2958	}	3934	}
2959		3935
2960	warn "... nuking $pkg";
2961	Symbol::delete_package $pkg;
2962	}
2963
2964	warn "unloading all perl modules loaded from $LIBDIR";	3936	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2965	while (my ($k, $v) = each %INC) {	3937	while (my ($k, $v) = each %INC) {
2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2967		3939
2968	warn "... unloading $k";	3940	trace "... unloading $k";
2969	delete $INC{$k};	3941	delete $INC{$k};
2970		3942
2971	$k =~ s/\.pm$//;	3943	$k =~ s/\.pm$//;
2972	$k =~ s/\//::/g;	3944	$k =~ s/\//::/g;
2973		3945
2974	if (my $cb = $k->can ("unload_module")) {	3946	if (my $cb = $k->can ("unload_module")) {
2975	$cb->();	3947	$cb->();
		3948	}
		3949
		3950	clear_package $k;
2976	}	3951	}
2977		3952
2978	Symbol::delete_package $k;
2979	}
2980
2981	warn "getting rid of safe::, as good as possible";	3953	trace "perl_reload: getting rid of safe::, as good as possible";
2982	Symbol::delete_package "safe::$_"	3954	clear_package "safe::$_"
2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2984		3956
2985	warn "unloading cf.pm \"a bit\"";	3957	trace "perl_reload: unloading cf.pm \"a bit\"";
2986	delete $INC{"cf.pm"};	3958	delete $INC{"cf.pm"};
2987	delete $INC{"cf/pod.pm"};	3959	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2988		3960
2989	# don't, removes xs symbols, too,	3961	# don't, removes xs symbols, too,
2990	# and global variables created in xs	3962	# and global variables created in xs
2991	#Symbol::delete_package __PACKAGE__;	3963	#clear_package __PACKAGE__;
2992		3964
2993	warn "unload completed, starting to reload now";	3965	info "perl_reload: unload completed, starting to reload now";
2994		3966
2995	warn "reloading cf.pm";	3967	trace "perl_reload: reloading cf.pm";
2996	require cf;	3968	require cf;
2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3969	cf::_connect_to_perl_1;
2998		3970
2999	warn "loading config and database again";	3971	trace "perl_reload: loading config and database again";
3000	cf::cfg_load;	3972	cf::reload_config;
3001		3973
3002	warn "loading extensions";	3974	trace "perl_reload: loading extensions";
3003	cf::load_extensions;	3975	cf::load_extensions;
3004		3976
		3977	if ($REATTACH_ON_RELOAD) {
3005	warn "reattaching attachments to objects/players";	3978	trace "perl_reload: reattaching attachments to objects/players";
3006	_global_reattach; # objects, sockets	3979	_global_reattach; # objects, sockets
3007	warn "reattaching attachments to maps";	3980	trace "perl_reload: reattaching attachments to maps";
3008	reattach $_ for values %MAP;	3981	reattach $_ for values %MAP;
3009	warn "reattaching attachments to players";	3982	trace "perl_reload: reattaching attachments to players";
3010	reattach $_ for values %PLAYER;	3983	reattach $_ for values %PLAYER;
		3984	}
3011		3985
3012	warn "leaving sync_job";	3986	cf::_post_init 1;
3013		3987
		3988	trace "perl_reload: leaving sync_job";
		3989
3014	1	3990	1
3015	} or do {	3991	} or do {
3016	warn $@;	3992	error $@;
3017	warn "error while reloading, exiting.";	3993	cf::cleanup "perl_reload: error, exiting.";
3018	exit 1;	3994	};
		3995
		3996	--$RELOAD;
3019	};	3997	}
3020		3998
3021	warn "reloaded";	3999	$t1 = AE::time - $t1;
		4000	info "perl_reload: completed in ${t1}s\n";
3022	};	4001	};
3023		4002
3024	our $RELOAD_WATCHER; # used only during reload	4003	our $RELOAD_WATCHER; # used only during reload
3025		4004
3026	sub reload_perl() {	4005	sub reload_perl() {
3027	# doing reload synchronously and two reloads happen back-to-back,	4006	# doing reload synchronously and two reloads happen back-to-back,
3028	# coro crashes during coro_state_free->destroy here.	4007	# coro crashes during coro_state_free->destroy here.
3029		4008
3030	$RELOAD_WATCHER ||= Event->timer (	4009	$RELOAD_WATCHER ||= cf::async {
3031	reentrant => 0,	4010	Coro::AIO::aio_wait cache_extensions;
3032	after => 0,	4011
3033	data => WF_AUTOCANCEL,	4012	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3034	cb => sub {
3035	do_reload_perl;	4013	do_reload_perl;
3036	undef $RELOAD_WATCHER;	4014	undef $RELOAD_WATCHER;
3037	},	4015	};
3038	);	4016	};
3039	}	4017	}
3040		4018
3041	register_command "reload" => sub {	4019	register_command "reload" => sub {
3042	my ($who, $arg) = @_;	4020	my ($who, $arg) = @_;
3043		4021
3044	if ($who->flag (FLAG_WIZ)) {	4022	if ($who->flag (FLAG_WIZ)) {
3045	$who->message ("reloading server.");	4023	$who->message ("reloading server.");
		4024	async {
		4025	$Coro::current->{desc} = "perl_reload";
3046	async { reload_perl };	4026	reload_perl;
		4027	};
3047	}	4028	}
3048	};	4029	};
3049		4030
3050	unshift @INC, $LIBDIR;	4031	#############################################################################
3051		4032
3052	my $bug_warning = 0;	4033	my $bug_warning = 0;
3053		4034
3054	our @WAIT_FOR_TICK;	4035	our @WAIT_FOR_TICK;
3055	our @WAIT_FOR_TICK_BEGIN;	4036	our @WAIT_FOR_TICK_BEGIN;
3056		4037
3057	sub wait_for_tick {	4038	sub wait_for_tick() {
3058	return unless $TICK_WATCHER->is_active;
3059	return if $Coro::current == $Coro::main;	4039	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3060		4040
3061	my $signal = new Coro::Signal;	4041	my $signal = new Coro::Signal;
3062	push @WAIT_FOR_TICK, $signal;	4042	push @WAIT_FOR_TICK, $signal;
3063	$signal->wait;	4043	$signal->wait;
3064	}	4044	}
3065		4045
3066	sub wait_for_tick_begin {	4046	sub wait_for_tick_begin() {
3067	return unless $TICK_WATCHER->is_active;
3068	return if $Coro::current == $Coro::main;	4047	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3069		4048
3070	my $signal = new Coro::Signal;	4049	my $signal = new Coro::Signal;
3071	push @WAIT_FOR_TICK_BEGIN, $signal;	4050	push @WAIT_FOR_TICK_BEGIN, $signal;
3072	$signal->wait;	4051	$signal->wait;
3073	}	4052	}
3074		4053
3075	my $min = 1e6;#d#	4054	sub tick {
3076	my $avg = 10;
3077	$TICK_WATCHER = Event->timer (
3078	reentrant => 0,
3079	parked => 1,
3080	prio => 0,
3081	at => $NEXT_TICK || $TICK,
3082	data => WF_AUTOCANCEL,
3083	cb => sub {
3084	if ($Coro::current != $Coro::main) {	4055	if ($Coro::current != $Coro::main) {
3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3086	unless ++$bug_warning > 10;	4057	unless ++$bug_warning > 10;
3087	return;	4058	return;
3088	}	4059	}
3089		4060
3090	$NOW = $tick_start = Event::time;
3091
3092	cf::server_tick; # one server iteration	4061	cf::server_tick; # one server iteration
3093		4062
3094	0 && sync_job {#d#	4063	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3095	for(1..10) {
3096	my $t = Event::time;
3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3098	or die;
3099		4064
3100	$map->width (50);	4065	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3101	$map->height (50);	4066	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3102	$map->alloc;	4067	Coro::async_pool {
3103	$map->_load_objects ("/tmp/x.map", 1);	4068	$Coro::current->{desc} = "runtime saver";
3104	my $t = Event::time - $t;	4069	write_runtime_sync
3105		4070	or error "ERROR: unable to write runtime file: $!";
3106	#next unless $t < 0.0013;#d#
3107	if ($t < $min) {
3108	$min = $t;
3109	}
3110	$avg = $avg * 0.99 + $t * 0.01;
3111	}
3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113	exit 0;
3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115	};	4071	};
		4072	}
3116		4073
3117	$RUNTIME += $TICK;
3118	$NEXT_TICK += $TICK;
3119
3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
3122	Coro::async_pool {
3123	write_runtime
3124	or warn "ERROR: unable to write runtime file: $!";
3125	};
3126	}
3127
3128	# my $AFTER = Event::time;
3129	# warn $AFTER - $NOW;#d#
3130
3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4074	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132	$sig->send;	4075	$sig->send;
3133	}	4076	}
3134	while (my $sig = shift @WAIT_FOR_TICK) {	4077	while (my $sig = shift @WAIT_FOR_TICK) {
3135	$sig->send;	4078	$sig->send;
3136	}	4079	}
3137		4080
3138	$NOW = Event::time;	4081	$LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140	# if we are delayed by four ticks or more, skip them all
3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143	$TICK_WATCHER->at ($NEXT_TICK);
3144	$TICK_WATCHER->start;
3145
3146	$LOAD = ($NOW - $tick_start) / $TICK;
3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4082	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148		4083
3149	_post_tick;	4084	if (0) {
3150		4085	if ($NEXT_TICK) {
3151		4086	my $jitter = $TICK_START - $NEXT_TICK;
		4087	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4088	debug "jitter $JITTER\n";#d#
		4089	}
3152	},	4090	}
3153	);	4091	}
3154		4092
3155	{	4093	{
3156	BDB::max_poll_time $TICK * 0.1;	4094	# configure BDB
3157	$BDB_POLL_WATCHER = Event->io (	4095
3158	reentrant => 0,
3159	fd => BDB::poll_fileno,
3160	poll => 'r',
3161	prio => 0,
3162	data => WF_AUTOCANCEL,
3163	cb => \&BDB::poll_cb,
3164	);
3165	BDB::min_parallel 8;	4096	BDB::min_parallel 16;
3166		4097	BDB::max_poll_reqs $TICK * 0.1;
3167	BDB::set_sync_prepare {	4098	$AnyEvent::BDB::WATCHER->priority (1);
3168	my $status;
3169	my $current = $Coro::current;
3170	(
3171	sub {
3172	$status = $!;
3173	$current->ready; undef $current;
3174	},
3175	sub {
3176	Coro::schedule while defined $current;
3177	$! = $status;
3178	},
3179	)
3180	};
3181		4099
3182	unless ($DB_ENV) {	4100	unless ($DB_ENV) {
3183	$DB_ENV = BDB::db_env_create;	4101	$DB_ENV = BDB::db_env_create;
		4102	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4103	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4104	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4105	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4106	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3184		4107
3185	cf::sync_job {	4108	cf::sync_job {
3186	eval {	4109	eval {
3187	BDB::db_env_open	4110	BDB::db_env_open
3188	$DB_ENV,	4111	$DB_ENV,
…		…
3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192	0666;	4115	0666;
3193		4116
3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197	$DB_ENV->set_lk_detect;
3198	};	4118	};
3199		4119
3200	cf::cleanup "db_env_open(db): $@" if $@;	4120	cf::cleanup "db_env_open(db): $@" if $@;
3201	};	4121	};
3202	}	4122	}
		4123
		4124	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4125	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4126	};
		4127	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4128	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4129	};
		4130	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4131	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4132	};
3203	}	4133	}
3204		4134
3205	{	4135	{
		4136	# configure IO::AIO
		4137
3206	IO::AIO::min_parallel 8;	4138	IO::AIO::min_parallel 8;
3207
3208	undef $Coro::AIO::WATCHER;
3209	IO::AIO::max_poll_time $TICK * 0.1;	4139	IO::AIO::max_poll_time $TICK * 0.1;
3210	$AIO_POLL_WATCHER = Event->io (	4140	undef $AnyEvent::AIO::WATCHER;
3211	reentrant => 0,
3212	data => WF_AUTOCANCEL,
3213	fd => IO::AIO::poll_fileno,
3214	poll => 'r',
3215	prio => 6,
3216	cb => \&IO::AIO::poll_cb,
3217	);
3218	}	4141	}
3219		4142
3220	my $_log_backtrace;	4143	our $_log_backtrace;
		4144	our $_log_backtrace_last;
3221		4145
3222	sub _log_backtrace {	4146	sub _log_backtrace {
3223	my ($msg, @addr) = @_;	4147	my ($msg, @addr) = @_;
3224		4148
3225	$msg =~ s/\n//;	4149	$msg =~ s/\n$//;
3226		4150
		4151	if ($_log_backtrace_last eq $msg) {
		4152	LOG llevInfo, "[ABT] $msg\n";
		4153	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3227	# limit the # of concurrent backtraces	4154	# limit the # of concurrent backtraces
3228	if ($_log_backtrace < 2) {	4155	} elsif ($_log_backtrace < 2) {
		4156	$_log_backtrace_last = $msg;
3229	++$_log_backtrace;	4157	++$_log_backtrace;
		4158	my $perl_bt = Carp::longmess $msg;
3230	async {	4159	async {
		4160	$Coro::current->{desc} = "abt $msg";
		4161
3231	my @bt = fork_call {	4162	my @bt = fork_call {
3232	@addr = map { sprintf "%x", $_ } @addr;	4163	@addr = map { sprintf "%x", $_ } @addr;
3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4164	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4165	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3235	or die "addr2line: $!";	4166	or die "addr2line: $!";
…		…
3243	}	4174	}
3244		4175
3245	@funcs	4176	@funcs
3246	};	4177	};
3247		4178
3248	LOG llevInfo, "[ABT] $msg\n";	4179	LOG llevInfo, "[ABT] $perl_bt\n";
		4180	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3249	LOG llevInfo, "[ABT] $_\n" for @bt;	4181	LOG llevInfo, "[ABT] $_\n" for @bt;
3250	--$_log_backtrace;	4182	--$_log_backtrace;
3251	};	4183	};
3252	} else {	4184	} else {
3253	LOG llevInfo, "[ABT] $msg\n";	4185	LOG llevInfo, "[ABT] $msg\n";
3254	LOG llevInfo, "[ABT] [suppressed]\n";	4186	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3255	}	4187	}
3256	}	4188	}
3257		4189
3258	# load additional modules	4190	# load additional modules
3259	use cf::pod;	4191	require "cf/$_.pm" for @EXTRA_MODULES;
		4192	cf::_connect_to_perl_2;
3260		4193
3261	END { cf::emergency_save }	4194	END { cf::emergency_save }
3262		4195
3263	1	4196	1
3264		4197

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