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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.291 by root, Tue Jul 3 00:54:44 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
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;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	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	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	123	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		132
85	our %CFG;	133	our %CFG;
86		134
87	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
89		138
90	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
93		142
94	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		145
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
100		155
101	binmode STDOUT;	156	binmode STDOUT;
102	binmode STDERR;	157	binmode STDERR;
103		158
104	# read virtual server time, if available	159	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
109	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
110		167
111	mkdir $_	168	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		170
114	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
115		172
116	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		189
118	#############################################################################	190	#############################################################################
119		191
120	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
121		193
…		…
157		229
158	The raw value load value from the last tick.	230	The raw value load value from the last tick.
159		231
160	=item %cf::CFG	232	=item %cf::CFG
161		233
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	235	from wherever your confdir points to.
164		236
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		238
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
171	=back	260	=back
172		261
173	=cut	262	=cut
174		263
175	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	271	my $msg = join "", @_;
178		272
179	$msg .= "\n"	273	$msg .= "\n"
180	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
181		275
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		277
184	utf8::encode $msg;
185	LOG llevError, $msg;	278	LOG llevWarn, $msg;
186	};	279	};
187	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
188		294
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	305	for my $pkg (qw(
200	cf::global cf::attachable	306	cf::global cf::attachable
201	cf::object cf::object::player	307	cf::object cf::object::player
202	cf::client cf::player	308	cf::client cf::player
203	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
204	cf::map cf::party cf::region	311	cf::party cf::region
205	)) {	312	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	314	}
209		315
210	$Event::DIED = sub {	316	$EV::DIED = sub {
211	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
212	};	318	};
213		319
214	#############################################################################	320	#############################################################################
215		321
216	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	345	$d
240	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
241	}	347	}
242		348
243	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
244		350
245	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
246		352
247	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
248		354
249	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
250		356
251	=cut	357	=cut
252		358
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		360
255	sub to_json ($) { $json_coder->encode ($_[0]) }	361	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
		405	}
257		406
258	=item cf::lock_wait $string	407	=item cf::lock_wait $string
259		408
260	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
261		410
262	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
263		412
264	Wait until the given lock is available and then acquires it and returns	413	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	414	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	415	for example when the coroutine gets canceled), the lock is automatically
267	returned.	416	returned.
268		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
269	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
271		423
272	=item $locked = cf::lock_active $string	424	=item $locked = cf::lock_active $string
273		425
274	Return true if the lock is currently active, i.e. somebody has locked it.	426	Return true if the lock is currently active, i.e. somebody has locked it.
275		427
276	=cut	428	=cut
277		429
278	our %LOCK;	430	our $LOCKS = new Coro::SemaphoreSet;
279		431
280	sub lock_wait($) {	432	sub lock_wait($) {
281	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	434	}
289		435
290	sub lock_acquire($) {	436	sub lock_acquire($) {
291	my ($key) = @_;	437	$LOCKS->guard ($_[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	}	438	}
303		439
304	sub lock_active($) {	440	sub lock_active($) {
305	my ($key) = @_;	441	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	442	}
309		443
310	sub freeze_mainloop {	444	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
312		446
313	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	448	}
		449
		450	=item cf::periodic $interval, $cb
		451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
315	};	514	}
316	$TICK_WATCHER->stop;	515	};
317	$guard	516
		517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
318	}	530	}
319		531
320	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
321		533
322	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		539
328	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
329		541
330	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
331		543
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	544	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	545	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	547	acceptable.
336		548
337	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	554	=cut
343		555
344	sub sync_job(&) {	556	sub sync_job(&) {
345	my ($job) = @_;	557	my ($job) = @_;
346		558
347	if ($Coro::current == $Coro::main) {	559	if (in_main) {
348	my $time = Event::time;	560	my $time = AE::time;
349		561
350	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
352		564
353	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	566
355	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
356		568
357	my $busy = 1;	569	my $busy = 1;
358	my @res;	570	my @res;
359		571
360	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	574	@res = eval { $job->() };
362	warn $@ if $@;	575	error $@ if $@;
363	undef $busy;	576	undef $busy;
364	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
365		578
366	while ($busy) {	579	while ($busy) {
367	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
368	}	584	}
		585	}
369		586
370	$time = Event::time - $time;	587	my $time = AE::time - $time;
371		588
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	589	$TICK_START += $time; # do not account sync jobs to server load
376		590
377	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
378	} else {	592	} else {
379	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
380		594
…		…
400	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
401		615
402	$coro	616	$coro
403	}	617	}
404		618
405	=item fork_call { }, $args	619	=item fork_call { }, @args
406		620
407	Executes the given code block with the given arguments in a seperate	621	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	622	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	623	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	624	never block itself or use any form of event handling.
411		625
412	=cut	626	=cut
		627
		628	sub post_fork {
		629	reset_signals;
		630	}
413		631
414	sub fork_call(&@) {	632	sub fork_call(&@) {
415	my ($cb, @args) = @_;	633	my ($cb, @args) = @_;
416		634
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	635	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	636	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	637	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		638
422	if (my $pid = fork) {	639	my @res = Coro::Util::fork_eval {
423	close $fh2;	640	cf::post_fork;
		641	&$cb
		642	} @args;
424		643
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	644	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	645	}
427		646
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	647	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	}	648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
447	}	683	}
448		684
449	=item $value = cf::db_get $family => $key	685	=item $value = cf::db_get $family => $key
450		686
451	Returns a single value from the environment database.	687	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	689	=item cf::db_put $family => $key => $value
454		690
455	Stores the given C<$value> in the family. It can currently store binary	691	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
458	=cut	699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
		715	};
		716	cf::cleanup "db_open(db): $@" if $@;
		717
		718	$db
		719	}
459		720
460	our $DB;	721	our $DB;
461		722
462	sub db_init {	723	sub db_init {
463	unless ($DB) {	724	$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	}	725	}
478		726
479	sub db_get($$) {	727	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	728	my $key = "$_[0]/$_[1]";
481		729
482	cf::sync_job {	730	cf::error "db_get called from main context"
		731	if $Coro::current == $Coro::main;
		732
483	BDB::db_get $DB, undef, $key, my $data;	733	BDB::db_get $DB, undef, $key, my $data;
484		734
485	$! ? ()	735	$! ? ()
486	: $data	736	: $data
487	}
488	}	737	}
489		738
490	sub db_put($$$) {	739	sub db_put($$$) {
491	BDB::dbreq_pri 4;	740	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
531	if (1) {	780	if (1) {
532	$md5 =	781	$md5 =
533	join "\x00",	782	join "\x00",
534	$processversion,	783	$processversion,
535	map {	784	map {
536	Coro::cede;	785	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	786	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	787	} 0.. $#$src;
539		788
540		789
541	my $dbmd5 = db_get cache => "$id/md5";	790	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		797
549	my $t1 = Time::HiRes::time;	798	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	799	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	800	my $t2 = Time::HiRes::time;
552		801
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		803
555	db_put cache => "$id/data", $data;	804	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	805	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	806	db_put cache => "$id/meta", $meta;
558		807
…		…
568		817
569	=cut	818	=cut
570		819
571	sub datalog($@) {	820	sub datalog($@) {
572	my ($type, %kv) = @_;	821	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	823	}
575		824
576	=back	825	=back
577		826
578	=cut	827	=cut
579		828
580	#############################################################################	829	#############################################################################
581		830
582	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
583		832
584	Many objects in crossfire are so-called attachable objects. That means you can	833	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
587		836
588	In the following description, CLASS can be any of C<global>, C<object>	837	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	839	Deliantra).
591		840
592	=over 4	841	=over 4
593		842
594	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
595		844
…		…
639	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
640		889
641	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
643		892
644	Some classes such as crossfire maps and objects can specify attachments	893	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.	894	that are attached at load/instantiate time, thus the need for a name.
646		895
647	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
648		897
649	=over 4	898	=over 4
…		…
773		1022
774	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1025
777	} elsif (ref $type) {	1026	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
779		1028
780	} else {	1029	} else {
781	shift @arg;	1030	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
783	}	1032	}
784	}	1033	}
785	}	1034	}
786		1035
787	sub _object_attach {	1036	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
798	}	1047	}
799		1048
800	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
801	} else {	1050	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1052	}
804		1053
805	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
806	}	1055	}
807		1056
…		…
847	";	1096	";
848	die if $@;	1097	die if $@;
849	}	1098	}
850		1099
851	our $override;	1100	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1101	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1102
854	sub override {	1103	sub override {
855	$override = 1;	1104	$override = 1;
856	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
857	}	1106	}
858		1107
859	sub do_invoke {	1108	sub do_invoke {
860	my $event = shift;	1109	my $event = shift;
861	my $callbacks = shift;	1110	my $callbacks = shift;
862		1111
863	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
864		1113
865	local $override;	1114	local $override;
866		1115
867	for (@$callbacks) {	1116	for (@$callbacks) {
868	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
869		1118
870	if ($@) {	1119	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1121	override;
874	}	1122	}
875		1123
876	return 1 if $override;	1124	return 1 if $override;
877	}	1125	}
878		1126
879	0	1127	0
880	}	1128	}
881		1129
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1131
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1133
886	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
887		1135
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1136	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1137	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1139
892	=back	1140	=back
893		1141
894	=cut	1142	=cut
895		1143
896	#############################################################################	1144	#############################################################################
897	# object support	1145	# object support
		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
		1180	sub _can_merge {
		1181	my ($ob1, $ob2) = @_;
		1182
		1183	++$SLOW_MERGES;#d#
		1184
		1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
		1187	}
898		1188
899	sub reattach {	1189	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1191	my ($obj) = @_;
902		1192
		1193	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1195
905	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
906		1197
907	@$registry = ();	1198	@$registry = ();
908		1199
…		…
913	for (@$attach) {	1204	for (@$attach) {
914	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
916	}	1207	}
917	} else {	1208	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1210	}
920	}	1211	}
921	}	1212	}
922		1213
923	cf::attachable->attach (	1214	cf::attachable->attach (
924	prio => -1000000,	1215	prio => -1000000,
925	on_instantiate => sub {	1216	on_instantiate => sub {
926	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
927		1218
928	$data = from_json $data;	1219	$data = decode_json $data;
929		1220
930	for (@$data) {	1221	for (@$data) {
931	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
932		1223
933	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1240	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
951		1242
952	sync_job {	1243	sync_job {
953	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
956		1249
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($cf::USE_FSYNC) {
		1254	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1255	aio_fsync $fh;
		1256	}
961	close $fh;	1257	aio_close $fh;
962		1258
963	if (@$objs) {	1259	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($cf::USE_FSYNC) {
		1265	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1266	aio_fsync $fh;
		1267	}
969	close $fh;	1268	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
971	}	1270	}
972	} else {	1271	} else {
973	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
974	}	1273	}
975		1274
976	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1279	} else {
978	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
979	}	1281	}
980	} else {	1282	} else {
981	aio_unlink $filename;	1283	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
983	}	1285	}
984	}	1286	};
985	}	1287	}
986		1288
987	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
989		1291
…		…
1001	or return;	1303	or return;
1002		1304
1003	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1307	or return;
		1308
1006	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
1007	}	1311	}
1008		1312
		1313	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
1011	return ($data, $av);	1318	($data, $av)
1012	}	1319	}
1013		1320
1014	=head2 COMMAND CALLBACKS	1321	=head2 COMMAND CALLBACKS
1015		1322
1016	=over 4	1323	=over 4
…		…
1070	my ($name, $cb) = @_;	1377	my ($name, $cb) = @_;
1071		1378
1072	$EXTICMD{$name} = $cb;	1379	$EXTICMD{$name} = $cb;
1073	}	1380	}
1074		1381
		1382	use File::Glob ();
		1383
1075	cf::player->attach (	1384	cf::player->attach (
1076	on_command => sub {	1385	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
1078		1387
1079	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
1080	or return;	1389	or return;
1081		1390
…		…
1089	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
1090		1399
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1401
1093	if (ref $msg) {	1402	if (ref $msg) {
		1403	my ($type, $reply, @payload) =
		1404	"ARRAY" eq ref $msg
		1405	? @$msg
		1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1407
		1408	my @reply;
		1409
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
1099	} else {	1417	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1419	}
1102		1420
1103	cf::override;	1421	cf::override;
1104	},	1422	},
1105	);	1423	);
1106		1424
		1425	# "readahead" all extensions
		1426	sub cache_extensions {
		1427	my $grp = IO::AIO::aio_group;
		1428
		1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1430	for (grep /\.ext$/, @{$_[0]}) {
		1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1432	}
		1433	};
		1434
		1435	$grp
		1436	}
		1437
1107	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
1108	cf::sync_job {	1441	cf::sync_job {
1109	my %todo;	1442	my %todo;
1110		1443
1111	for my $path (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1445	next unless -r $path;
…		…
1130		1463
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1466
1134	$ext{source} =	1467	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1468	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1469	. "#line 1 \"$path\"\n{\n"
1137	. $source	1470	. $source
1138	. "\n};\n1";	1471	. "\n};\n1";
1139		1472
1140	$todo{$base} = \%ext;	1473	$todo{$base} = \%ext;
1141	}	1474	}
1142		1475
		1476	my $pass = 0;
1143	my %done;	1477	my %done;
1144	while (%todo) {	1478	while (%todo) {
1145	my $progress;	1479	my $progress;
1146		1480
		1481	++$pass;
		1482
		1483	ext:
1147	while (my ($k, $v) = each %todo) {	1484	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1485	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1486	next ext
1150	unless exists $done{$_};	1487	unless exists $done{$_};
1151	}	1488	}
1152		1489
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1491
1155	unless (eval $v->{source}) {	1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1495	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1498	if exists $v->{meta}{mandatory};
1160	warn $msg;	1499
1161	warn "mandatory extension failed to load, exiting.\n";	1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1501	delete $todo{$k};
1163	}	1502	} else {
1164		1503	$done{$k} = delete $todo{$k};
1165	warn $msg;	1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
1166	}	1509	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1510	}
1172		1511
1173	skip:	1512	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
1176	}	1520	}
1177	};	1521	};
1178	}	1522	}
1179		1523
1180	#############################################################################	1524	#############################################################################
1181		1525
1182	=back	1526	=back
1183		1527
1184	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
1185		1529
1186	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
1187		1531
1188	=cut	1532	=cut
1189		1533
1190	package cf::player;	1534	package cf::player;
1191		1535
1192	use Coro::AIO;	1536	use Coro::AIO;
1193		1537
1194	=head3 cf::player	1538	=head3 cf::player
1195		1539
1196	=over 4	1540	=over 4
		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
1197		1555
1198	=item cf::player::find $login	1556	=item cf::player::find $login
1199		1557
1200	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
1201		1559
…		…
1220		1578
1221	sub exists($) {	1579	sub exists($) {
1222	my ($login) = @_;	1580	my ($login) = @_;
1223		1581
1224	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
1226	}	1584	}
1227		1585
1228	sub find($) {	1586	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1588	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1598	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1599
1242	my $pl = load_pl path $login	1600	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
1245	}	1609	}
1246	}	1610	}
1247	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
1248		1625
1249	sub save($) {	1626	sub save($) {
1250	my ($pl) = @_;	1627	my ($pl) = @_;
1251		1628
1252	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1258		1635
1259	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1261		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1262	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1263	Coro::cede;	1645	cf::cede_to_tick;
1264	}	1646	}
1265		1647
1266	sub new($) {	1648	sub new($) {
1267	my ($login) = @_;	1649	my ($login) = @_;
1268		1650
…		…
1274	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1275		1657
1276	$self	1658	$self
1277	}	1659	}
1278		1660
		1661	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1662
		1663	=cut
		1664
		1665	sub send_msg {
		1666	my $ns = shift->ns
		1667	or return;
		1668	$ns->send_msg (@_);
		1669	}
		1670
1279	=item $pl->quit_character	1671	=item $pl->quit_character
1280		1672
1281	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1283		1675
…		…
1287	my ($pl) = @_;	1679	my ($pl) = @_;
1288		1680
1289	my $name = $pl->ob->name;	1681	my $name = $pl->ob->name;
1290		1682
1291	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1685
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1297	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1298		1694
1299	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
…		…
1336	or return [];	1732	or return [];
1337		1733
1338	my @logins;	1734	my @logins;
1339		1735
1340	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1344		1746
1345	utf8::decode $login;	1747	utf8::decode $login;
1346	push @logins, $login;	1748	push @logins, $login;
1347	}	1749	}
1348		1750
1349	\@logins	1751	\@logins
1350	}	1752	}
1351		1753
1352	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1353		1757
1354	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1355	player. May block.	1759	player. May block.
1356		1760
1357	=cut	1761	=cut
…		…
1375	}	1779	}
1376		1780
1377	\@paths	1781	\@paths
1378	}	1782	}
1379		1783
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1785
1382	Expand crossfire pod fragments into protocol xml.	1786	Expand deliantra pod fragments into protocol xml.
1383		1787
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	$_
1420	}
1421
1422	sub hintmode {
1423	warn "hm<$_[0] $_[1]>\n";#d#
1424	$_[0]{hintmode} = $_[1] if @_ > 1;
1425	$_[0]{hintmode}
1426	}
1427
1428	=item $player->ext_reply ($msgid, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1429		1789
1430	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1431		1791
1432	=cut	1792	=cut
1433		1793
1434	sub ext_reply($$%) {	1794	sub ext_reply($$@) {
1435	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1436		1796
1437	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1439	}	1798	}
1440		1799
1441	=item $player->ext_event ($type, %msg)	1800	=item $player->ext_msg ($type, @msg)
1442		1801
1443	Sends an ext event to the client.	1802	Sends an ext event to the client.
1444		1803
1445	=cut	1804	=cut
1446		1805
1447	sub ext_event($$%) {	1806	sub ext_msg($$@) {
1448	my ($self, $type, %msg) = @_;	1807	my ($self, $type, @msg) = @_;
1449		1808
1450	$self->ns->ext_event ($type, %msg);	1809	$self->ns->ext_msg ($type, @msg);
1451	}	1810	}
1452		1811
1453	=head3 cf::region	1812	=head3 cf::region
1454		1813
1455	=over 4	1814	=over 4
…		…
1465	=cut	1824	=cut
1466		1825
1467	sub find_by_path($) {	1826	sub find_by_path($) {
1468	my ($path) = @_;	1827	my ($path) = @_;
1469		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
		1830
1470	my ($match, $specificity);	1831	my ($match, $specificity);
1471		1832
1472	for my $region (list) {	1833	for my $region (list) {
1473	if ($region->match && $path =~ $region->match) {	1834	if ($region->{match} && $path =~ $region->{match}) {
1474	($match, $specificity) = ($region, $region->specificity)	1835	($match, $specificity) = ($region, $region->specificity)
1475	if $region->specificity > $specificity;	1836	if $region->specificity > $specificity;
1476	}	1837	}
1477	}	1838	}
1478		1839
…		…
1499	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1500	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1501		1862
1502	sub generate_random_map {	1863	sub generate_random_map {
1503	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1504	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1505	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1506	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1507	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1508	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1509	$rmp->{exit_on_final_map},
1510	$rmp->{xsize}, $rmp->{ysize},
1511	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1512	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1513	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1514	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1515	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1516	(cf::region::find $rmp->{region}), $rmp->{custom}
1517	)
1518	}	1869	}
1519		1870
1520	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1521		1872
1522	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1527		1878
1528	sub register {	1879	sub register {
1529	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1530	my $pkg = caller;	1881	my $pkg = caller;
1531		1882
1532	no strict;
1533	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1534		1884
1535	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1536	}	1886	}
1537		1887
1538	# also paths starting with '/'	1888	# also paths starting with '/'
1539	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1540		1890
1541	sub thawer_merge {	1891	sub thawer_merge {
1542	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1543		1893
1544	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
…		…
1549	}	1899	}
1550		1900
1551	sub normalise {	1901	sub normalise {
1552	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1553		1903
1554	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1555		1905
1556	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1557		1907
1558	# map plan:	1908	# map plan:
1559	#	1909	#
…		…
1574	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1575	$path = "$base/$path";	1925	$path = "$base/$path";
1576	}	1926	}
1577		1927
1578	for ($path) {	1928	for ($path) {
1579	redo if s{//}{/};
1580	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1581	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1582	}	1931	}
1583		1932
1584	$path	1933	$path
…		…
1598	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1599	return $self;	1948	return $self;
1600	}	1949	}
1601	}	1950	}
1602		1951
1603	Carp::carp "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1604	()	1953	()
1605	}	1954	}
1606		1955
1607	sub init {	1956	sub init {
1608	my ($self) = @_;	1957	my ($self) = @_;
…		…
1630		1979
1631	# the temporary/swap location	1980	# the temporary/swap location
1632	sub save_path {	1981	sub save_path {
1633	my ($self) = @_;	1982	my ($self) = @_;
1634		1983
1635	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1636	"$TMPDIR/$path.map"	1985	"$TMPDIR/$path.map"
1637	}	1986	}
1638		1987
1639	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1640	sub uniq_path {	1989	sub uniq_path {
1641	my ($self) = @_;	1990	my ($self) = @_;
1642		1991
1643	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1644	"$UNIQUEDIR/$path"	1993	"$UNIQUEDIR/$path"
1645	}
1646
1647	# and all this just because we cannot iterate over
1648	# all maps in C++...
1649	sub change_all_map_light {
1650	my ($change) = @_;
1651
1652	$_->change_map_light ($change)
1653	for grep $_->outdoor, values %cf::MAP;
1654	}	1994	}
1655		1995
1656	sub decay_objects {	1996	sub decay_objects {
1657	my ($self) = @_;	1997	my ($self) = @_;
1658		1998
…		…
1671		2011
1672	sub load_header_from($) {	2012	sub load_header_from($) {
1673	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1674		2014
1675	utf8::encode $path;	2015	utf8::encode $path;
1676	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1677	# or return;
1678
1679	$self->_load_header ($path)
1680	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1681		2024
1682	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1683		2026
1684	1	2027	1
1685	}	2028	}
…		…
1737		2080
1738	sub find;	2081	sub find;
1739	sub find {	2082	sub find {
1740	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1741		2084
		2085	cf::cede_to_tick;
		2086
1742	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1743		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1744	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1745		2091
1746	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1747	my $guard = cf::lock_acquire "map_find:$path";
1748	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1749	or return;	2094	or return;
1750		2095
1751	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1752		2097
…		…
1754	or return;	2099	or return;
1755		2100
1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1757	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1758	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1759	$map->reset;	2106	$map->reset;
1760	undef $guard;
1761	return find $path;	2107	return find $path;
1762	}	2108	}
1763		2109
1764	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1765	}	2111	}
1766	}	2112	}
1767		2113
1768	sub pre_load { }	2114	sub pre_load { }
1769	sub post_load { }	2115	#sub post_load { } # XS
1770		2116
1771	sub load {	2117	sub load {
1772	my ($self) = @_;	2118	my ($self) = @_;
1773		2119
1774	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1775		2121
1776	my $path = $self->{path};	2122	my $path = $self->{path};
1777		2123
1778	{	2124	{
1779	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1780		2126
		2127	return unless $self->valid;
1781	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1782		2129
1783	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1784		2131
1785	$self->alloc;	2132	$self->alloc;
1786		2133
1787	$self->pre_load;	2134	$self->pre_load;
1788	Coro::cede;	2135	cf::cede_to_tick;
1789		2136
		2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
1790	$self->_load_objects ($self->{load_path}, 1)	2139	$self->_load_objects ($f)
1791	or return;	2140	or return;
1792		2141
1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1794	if delete $self->{load_original};	2143	if delete $self->{load_original};
1795		2144
1796	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1797	utf8::encode $uniq;	2146	utf8::encode $uniq;
1798	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1799	$self->clear_unique_items;	2149	$self->clear_unique_items;
1800	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1801	}	2153	}
1802	}	2154	}
1803		2155
1804	Coro::cede;	2156	$f->resolve_delayed_derefs;
		2157
		2158	cf::cede_to_tick;
1805	# now do the right thing for maps	2159	# now do the right thing for maps
1806	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1807	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1808	unless $self->difficulty;	2162	unless $self->difficulty;
1809	Coro::cede;	2163	cf::cede_to_tick;
1810		2164
1811	unless ($self->{deny_activate}) {	2165	unless ($self->{deny_activate}) {
1812	$self->decay_objects;	2166	$self->decay_objects;
1813	$self->fix_auto_apply;	2167	$self->fix_auto_apply;
1814	$self->update_buttons;	2168	$self->update_buttons;
1815	Coro::cede;	2169	cf::cede_to_tick;
1816	$self->set_darkness_map;
1817	Coro::cede;
1818	$self->activate;	2170	$self->activate;
1819	}	2171	}
1820		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
1821	$self->in_memory (cf::MAP_IN_MEMORY);	2176	$self->in_memory (cf::MAP_ACTIVE);
1822	}	2177	}
1823		2178
1824	$self->post_load;	2179	$self->post_load;
1825	}
1826		2180
		2181	1
		2182	}
		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1827	sub customise_for {	2187	sub customise_for {
1828	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1829		2189
1830	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1831	if $self->per_player;	2191	if $self->per_player;
…		…
1835		2195
1836	$self	2196	$self
1837	}	2197	}
1838		2198
1839	# find and load all maps in the 3x3 area around a map	2199	# find and load all maps in the 3x3 area around a map
1840	sub load_diag {	2200	sub load_neighbours {
1841	my ($map) = @_;	2201	my ($map) = @_;
1842		2202
1843	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1844		2204
1845	for (0 .. 3) {	2205	for (0 .. 3) {
1846	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1847	or next;	2207	or next;
1848	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1849	or next;	2209	or next;
1850	$neigh->load;	2210	$neigh->load;
1851		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1852	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1853	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1854	}	2216	}
1855		2217
1856	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1857	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1858	or next;	2221	or next;
1859	$neigh->load;	2222	$neigh->load;
1860	}	2223	}
1861	}	2224	}
1862		2225
1863	sub find_sync {	2226	sub find_sync {
1864	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1865		2228
1866	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1867	}	2233	}
1868		2234
1869	sub do_load_sync {	2235	sub do_load_sync {
1870	my ($map) = @_;	2236	my ($map) = @_;
1871		2237
1872	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1873	}	2242	}
1874		2243
1875	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1876	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1877		2246
1878	sub find_async {	2247	sub find_async {
1879	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1880		2249
1881	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1882		2251
1883	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1884	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1885	}	2254	}
1886		2255
1887	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1888	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1889	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1890	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1891	my $map = find $path	2263	if (my $map = find $k) {
1892	or next;
1893	$map->load;	2264	$map->load if $v;
		2265	}
1894		2266
1895	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1896	}	2268	}
1897	}	2269	}
1898	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1899	};	2271	};
1900	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1901		2273
1902	()	2274	()
1903	}	2275	}
1904		2276
		2277	# common code, used by both ->save and ->swapout
1905	sub save {	2278	sub _save {
1906	my ($self) = @_;	2279	my ($self) = @_;
1907
1908	my $lock = cf::lock_acquire "map_data:" . $self->path;
1909		2280
1910	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1911		2282
1912	return unless $self->dirty;	2283	return unless $self->dirty;
1913		2284
…		…
1919	return if $self->{deny_save};	2290	return if $self->{deny_save};
1920		2291
1921	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1922		2293
1923	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1924	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1925	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1926		2300
1927	if ($uniq) {	2301	if ($uniq) {
1928	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1929	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1930	} else {	2304	} else {
1931	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1932	}	2306	}
1933	}	2307	}
1934		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1935	sub swap_out {	2317	sub swap_out {
1936	my ($self) = @_;	2318	my ($self) = @_;
1937		2319
1938	# save first because save cedes
1939	$self->save;
1940
1941	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1942		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1943	return if $self->players;	2324	return if $self->players;
1944	return if $self->in_memory != cf::MAP_IN_MEMORY;
1945	return if $self->{deny_save};
1946		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
1947	$self->clear;	2335	$self->clear;
1948	$self->in_memory (cf::MAP_SWAPPED);
1949	}	2336	}
1950		2337
1951	sub reset_at {	2338	sub reset_at {
1952	my ($self) = @_;	2339	my ($self) = @_;
1953		2340
…		…
1971		2358
1972	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1973		2360
1974	return if $self->players;	2361	return if $self->players;
1975		2362
1976	warn "resetting map ", $self->path;	2363	cf::trace "resetting map ", $self->path, "\n";
1977		2364
1978	$self->in_memory (cf::MAP_SWAPPED);	2365	$self->in_memory (cf::MAP_SWAPPED);
1979		2366
1980	# need to save uniques path	2367	# need to save uniques path
1981	unless ($self->{deny_save}) {	2368	unless ($self->{deny_save}) {
…		…
1985	if $uniq;	2372	if $uniq;
1986	}	2373	}
1987		2374
1988	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1989		2376
		2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
1990	$self->clear;	2379	$self->clear;
1991
1992	$_->clear_links_to ($self) for values %cf::MAP;
1993		2380
1994	$self->unlink_save;	2381	$self->unlink_save;
1995	$self->destroy;	2382	$self->destroy;
1996	}	2383	}
1997		2384
1998	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1999		2386
2000	sub nuke {	2387	sub nuke {
2001	my ($self) = @_;	2388	my ($self) = @_;
2002		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
2003	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
2004		2394
2005	$self->unlink_save;	2395	$self->unlink_save;
2006		2396
2007	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
2008	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
2009	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
2010	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
2011	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2012		2402
2013	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
2014		2405
2015	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
2016	}	2407	}
2017		2408
2018	=item $maps = cf::map::tmp_maps	2409	=item $maps = cf::map::tmp_maps
…		…
2060		2451
2061	sub unique_maps() {	2452	sub unique_maps() {
2062	[	2453	[
2063	map {	2454	map {
2064	utf8::decode $_;	2455	utf8::decode $_;
2065	/\.map$/	2456	s/\.map$//; # TODO future compatibility hack
		2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2458	? ()
2066	? normalise $_	2459	: normalise $_
2067	: ()
2068	} @{ aio_readdir $UNIQUEDIR or [] }	2460	} @{ aio_readdir $UNIQUEDIR or [] }
2069	]	2461	]
2070	}	2462	}
2071		2463
2072	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
2073		2495
2074	=back	2496	=back
2075		2497
2076	=head3 cf::object	2498	=head3 cf::object
2077		2499
…		…
2081		2503
2082	=over 4	2504	=over 4
2083		2505
2084	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
2085		2507
2086	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
2087		2510
2088	=cut	2511	=cut
2089		2512
2090	sub inv_recursive_;	2513	sub inv_recursive_;
2091	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
2094		2517
2095	sub inv_recursive {	2518	sub inv_recursive {
2096	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
2097	}	2520	}
2098		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
2099	package cf;	2550	package cf;
2100		2551
2101	=back	2552	=back
2102		2553
2103	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
2109	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2110	can be C<undef>. Does the right thing when the player is currently in a	2561	can be C<undef>. Does the right thing when the player is currently in a
2111	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
2112		2563
2113	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
2114		2579
2115	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
2116	# with dialog boxes.	2581	# with dialog boxes.
2117	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
2118	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
2125		2590
2126	} else {	2591	} else {
2127	my $pl = $self->contr;	2592	my $pl = $self->contr;
2128		2593
2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2594	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2130	my $diag = $pl->{npc_dialog};	2595	my $dialog = $pl->{npc_dialog};
2131	$diag->{pl}->ext_reply (	2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2132	$diag->{id},
2133	msgtype => "reply",
2134	msg => $diag->{pl}->expand_cfpod ($msg),
2135	add_topics => []
2136	);
2137		2597
2138	} else {	2598	} else {
2139	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
2140	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2141	}	2601	}
2142	}	2602	}
		2603	}
		2604
		2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	=cut
		2608
		2609	sub cf::object::send_msg {
		2610	my $pl = shift->contr
		2611	or return;
		2612	$pl->send_msg (@_);
2143	}	2613	}
2144		2614
2145	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
2146		2616
2147	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
2160		2630
2161	=item $player_object->enter_link	2631	=item $player_object->enter_link
2162		2632
2163	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
2164		2634
2165	The player should be reasonably safe there for short amounts of time. You	2635	The player should be reasonably safe there for short amounts of time (e.g.
2166	I<MUST> call C<leave_link> as soon as possible, though.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
2167		2639
2168	Will never block.	2640	Will never block.
2169		2641
2170	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
2171		2643
…		…
2191	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
2192	my ($self) = @_;	2664	my ($self) = @_;
2193		2665
2194	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
2195		2667
		2668	++$self->{_link_recursion};
		2669
2196	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
2197		2671
2198	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2199	if $self->map && $self->map->{path} ne "{link}";	2673	if $self->map && $self->map->{path} ne "{link}";
2200		2674
2201	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2202	}	2676	}
2203		2677
2204	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
2205	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
2206		2680
…		…
2223	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
2224	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
2225		2699
2226	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
2227	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
2228	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
2229		2703
2230	$map->load;	2704	$map->load;
2231	$map->load_diag;	2705	$map->load_neighbours;
2232		2706
2233	return unless $self->contr->active;	2707	return unless $self->contr->active;
2234	$self->activate_recursive;
2235		2708
2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2237	$self->enter_map ($map, $x, $y);	2710	if ($self->enter_map ($map, $x, $y)) {
2238	}	2711	# entering was successful
		2712	delete $self->{_link_recursion};
		2713	# only activate afterwards, to support waiting in hooks
		2714	$self->activate_recursive;
		2715	}
2239		2716
		2717	}
		2718
2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2241		2720
2242	Moves the player to the given map-path and coordinates by first freezing	2721	Moves the player to the given map-path and coordinates by first freezing
2243	her, loading and preparing them map, calling the provided $check callback	2722	her, loading and preparing them map, calling the provided $check callback
2244	that has to return the map if sucecssful, and then unfreezes the player on	2723	that has to return the map if sucecssful, and then unfreezes the player on
2245	the new (success) or old (failed) map position.	2724	the new (success) or old (failed) map position. In either case, $done will
		2725	be called at the end of this process.
		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
2246		2729
2247	=cut	2730	=cut
2248		2731
2249	our $GOTOGEN;	2732	our $GOTOGEN;
2250		2733
2251	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
2252	my ($self, $path, $x, $y, $check) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
2253		2742
2254	# do generation counting so two concurrent goto's will be executed in-order	2743	# do generation counting so two concurrent goto's will be executed in-order
2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2256		2745
2257	$self->enter_link;	2746	$self->enter_link;
2258		2747
2259	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
2260	my $map = eval {	2770	my $map = eval {
2261	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
2262		2772
2263	if ($map) {	2773	if ($map) {
2264	$map = $map->customise_for ($self);	2774	$map = $map->customise_for ($self);
2265	$map = $check->($map) if $check && $map;	2775	$map = $check->($map, $x, $y, $self) if $check && $map;
2266	} else {	2776	} else {
2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2268	}	2778	}
2269		2779
2270	$map	2780	$map
2271	};	2781	};
2272		2782
…		…
2277		2787
2278	if ($gen == $self->{_goto_generation}) {	2788	if ($gen == $self->{_goto_generation}) {
2279	delete $self->{_goto_generation};	2789	delete $self->{_goto_generation};
2280	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
2281	}	2791	}
		2792
		2793	$done->($self) if $done;
2282	})->prio (1);	2794	})->prio (1);
2283	}	2795	}
2284		2796
2285	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
2286		2798
…		…
2306	}	2818	}
2307		2819
2308	sub prepare_random_map {	2820	sub prepare_random_map {
2309	my ($exit) = @_;	2821	my ($exit) = @_;
2310		2822
2311	my $guard = cf::lock_acquire "exit_prepare:$exit";
2312
2313	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
2314	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
2315	# that depends on the exit object	2825	# that depends on the exit object
2316		2826
2317	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
2319	if ($exit->map) {	2829	if ($exit->map) {
2320	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
2321	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
2322	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
2323	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
2324	}	2836	}
2325		2837
2326	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
2327		2839
2328	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2329	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
2330	my $meta = "$RANDOMDIR/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
2331		2843
2332	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2333	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
2334	undef $fh;	2846	undef $fh;
2335	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
2336		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
2337	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
2338	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
2339	}	2855	}
2340	}	2856	}
2341		2857
2342	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
2343	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
2344		2860
2345	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
2346		2862
2347	if ($exit->slaying eq "/!") {
2348	#TODO: this should de-fi-ni-te-ly not be a sync-job
2349	# the problem is that $exit might not survive long enough
2350	# so it needs to be done right now, right here
2351	cf::sync_job { prepare_random_map $exit };
2352	}
2353
2354	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2355	my $hp = $exit->stats->hp;
2356	my $sp = $exit->stats->sp;
2357
2358	$self->enter_link;	2863	$self->enter_link;
2359		2864
2360	(async {	2865	(async {
2361	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
2362	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
2363	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
2364		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
2365	1;	2889	1
2366	}) {	2890	}) {
2367	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
2368	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
2369	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
2370	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
2371		2895
2372	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
2373	$self->leave_link;	2897	$self->leave_link;
2374	}	2898	}
2375	})->prio (1);	2899	})->prio (1);
2376	}	2900	}
2377		2901
…		…
2391		2915
2392	utf8::encode $text;	2916	utf8::encode $text;
2393	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2394	}	2918	}
2395		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
		2943	}
		2944
2396	=item $client->send_msg ($color, $type, $msg, [extra...])	2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
2397		2946
2398	Send a drawinfo or msg packet to the client, formatting the msg for the	2947	Send a drawinfo or msg packet to the client, formatting the msg for the
2399	client if neccessary. C<$type> should be a string identifying the type of	2948	client if neccessary. C<$type> should be a string identifying the type of
2400	the message, with C<log> being the default. If C<$color> is negative, suppress	2949	the message, with C<log> being the default. If C<$color> is negative, suppress
2401	the message unless the client supports the msg packet.	2950	the message unless the client supports the msg packet.
2402		2951
2403	=cut	2952	=cut
2404		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
2405	sub cf::client::send_msg {	3068	sub cf::client::send_msg {
2406	my ($self, $color, $type, $msg, @extra) = @_;	3069	my ($self, $channel, $msg, $color, @extra) = @_;
2407		3070
2408	$msg = $self->pl->expand_cfpod ($msg);	3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
2409		3073
2410	if ($self->can_msg) {	3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2412	} else {
2413	# replace some tags by gcfclient-compatible ones
2414	for ($msg) {
2415	1 while
2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2421	}
2422		3075
2423	if ($color >= 0) {	3076	# check predefined channels, for the benefit of C
2424	if (0 && $msg =~ /\[/) {	3077	if ($CHANNEL{$channel}) {
2425	$self->send_packet ("drawextinfo $color 4 0 $msg")	3078	$channel = $CHANNEL{$channel};
2426	} else {	3079
2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3080	$self->ext_msg (channel_info => $channel);
2428	$self->send_packet ("drawinfo $color $msg")	3081	$channel = $channel->{id};
		3082
		3083	} elsif (ref $channel) {
		3084	# send meta info to client, if not yet sent
		3085	unless (exists $self->{channel}{$channel->{id}}) {
		3086	$self->{channel}{$channel->{id}} = $channel;
		3087	$self->ext_msg (channel_info => $channel);
2429	}	3088	}
2430	}
2431	}
2432	}
2433		3089
		3090	$channel = $channel->{id};
		3091	}
		3092
		3093	return unless @extra || length $msg;
		3094
		3095	# default colour, mask it out
		3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3097	if $color & cf::NDI_DEF;
		3098
		3099	my $pkt = "msg "
		3100	. $self->{json_coder}->encode (
		3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3102	);
		3103
		3104	$self->send_big_packet ($pkt);
		3105	}
		3106
2434	=item $client->ext_event ($type, %msg)	3107	=item $client->ext_msg ($type, @msg)
2435		3108
2436	Sends an ext event to the client.	3109	Sends an ext event to the client.
2437		3110
2438	=cut	3111	=cut
2439		3112
2440	sub cf::client::ext_event($$%) {	3113	sub cf::client::ext_msg($$@) {
2441	my ($self, $type, %msg) = @_;	3114	my ($self, $type, @msg) = @_;
2442		3115
		3116	if ($self->extcmd == 2) {
		3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3118	} elsif ($self->extcmd == 1) { # TODO: remove
2443	$msg{msgtype} = "event_$type";	3119	push @msg, msgtype => "event_$type";
2444	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3121	}
		3122	}
		3123
		3124	=item $client->ext_reply ($msgid, @msg)
		3125
		3126	Sends an ext reply to the client.
		3127
		3128	=cut
		3129
		3130	sub cf::client::ext_reply($$@) {
		3131	my ($self, $id, @msg) = @_;
		3132
		3133	if ($self->extcmd == 2) {
		3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3135	} elsif ($self->extcmd == 1) {
		3136	#TODO: version 1, remove
		3137	unshift @msg, msgtype => "reply", msgid => $id;
		3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3139	}
2445	}	3140	}
2446		3141
2447	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
2448		3143
2449	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
…		…
2504	my ($ns, $buf) = @_;	3199	my ($ns, $buf) = @_;
2505		3200
2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3201	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2507		3202
2508	if (ref $msg) {	3203	if (ref $msg) {
		3204	my ($type, $reply, @payload) =
		3205	"ARRAY" eq ref $msg
		3206	? @$msg
		3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3208
		3209	my @reply;
		3210
2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3211	if (my $cb = $EXTICMD{$type}) {
2510	if (my %reply = $cb->($ns, $msg)) {	3212	@reply = $cb->($ns, @payload);
2511	$reply{msgid} = $msg->{msgid};
2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2513	}
2514	}	3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
2515	} else {	3218	} else {
2516	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2517	}	3220	}
2518		3221
2519	cf::override;	3222	cf::override;
2520	},	3223	},
2521	);	3224	);
…		…
2541		3244
2542	$coro	3245	$coro
2543	}	3246	}
2544		3247
2545	cf::client->attach (	3248	cf::client->attach (
2546	on_destroy => sub {	3249	on_client_destroy => sub {
2547	my ($ns) = @_;	3250	my ($ns) = @_;
2548		3251
2549	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2550	},	3253	},
2551	);	3254	);
…		…
2566	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2567	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2568		3271
2569	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2570		3273
2571	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3274	$safe->permit_only (Opcode::opset qw(
		3275	:base_core :base_mem :base_orig :base_math :base_loop
		3276	grepstart grepwhile mapstart mapwhile
		3277	sort time
		3278	));
2572		3279
2573	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2574		3281
2575	=pod	3282	=pod
2576		3283
2577	The following functions and methods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2578		3285
2579	cf::object contr pay_amount pay_player map	3286	cf::object
		3287	contr pay_amount pay_player map x y force_find force_add destroy
		3288	insert remove name archname title slaying race decrease split
		3289	value
		3290
2580	cf::object::player player	3291	cf::object::player
2581	cf::player peaceful	3292	player
2582	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2583		3299
2584	=cut	3300	=cut
2585		3301
2586	for (	3302	for (
2587	["cf::object" => qw(contr pay_amount pay_player map)],	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2588	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2589	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2590	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2591	) {	3309	) {
2592	no strict 'refs';
2593	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2594	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2595	for @funs;	3312	for @funs;
2596	}	3313	}
2597		3314
…		…
2612		3329
2613	my $qcode = $code;	3330	my $qcode = $code;
2614	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2615	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2616		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2617	local $_;	3337	local $_;
2618	local @safe::cf::_safe_eval_args = values %vars;
2619		3338
2620	my $eval =	3339	my $eval =
2621	"do {\n"	3340	"do {\n"
2622	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2623	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2624	. $code	3343	. $code
2625	. "\n}"	3344	. "\n}"
2626	;	3345	;
2627		3346
		3347	if ($CFG{safe_eval}) {
2628	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2629	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2630	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2631		3356
2632	if ($@) {	3357	if ($@) {
2633	warn "$@";	3358	warn "$@",
2634	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2635	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2636	}	3361	}
2637		3362
2638	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2639	}	3364	}
2640		3365
…		…
2654	=cut	3379	=cut
2655		3380
2656	sub register_script_function {	3381	sub register_script_function {
2657	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2658		3383
2659	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2660	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2661	}	3386	}
2662		3387
2663	=back	3388	=back
2664		3389
2665	=cut	3390	=cut
…		…
2668	# the server's init and main functions	3393	# the server's init and main functions
2669		3394
2670	sub load_facedata($) {	3395	sub load_facedata($) {
2671	my ($path) = @_;	3396	my ($path) = @_;
2672		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
		3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3403
2673	warn "loading facedata from $path\n";	3404	trace "loading facedata from $path\n";
2674		3405
2675	my $facedata;
2676	0 < aio_load $path, $facedata	3406	0 < aio_load $path, my $facedata
2677	or die "$path: $!";	3407	or die "$path: $!";
2678		3408
2679	$facedata = Coro::Storable::thaw $facedata;	3409	$facedata = Coro::Storable::thaw $facedata;
2680		3410
2681	$facedata->{version} == 2	3411	$facedata->{version} == 2
2682	or cf::cleanup "$path: version mismatch, cannot proceed.";	3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2683		3413
		3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3416	$facedata->{resource}{"res/exp_table"} = {
		3417	type => FT_RSRC,
		3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
		3420	};
		3421	cf::cede_to_tick;
		3422
2684	{	3423	{
2685	my $faces = $facedata->{faceinfo};	3424	my $faces = $facedata->{faceinfo};
2686		3425
2687	while (my ($face, $info) = each %$faces) {	3426	while (my ($face, $info) = each %$faces) {
2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3428
2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3429	cf::face::set_visibility $idx, $info->{visibility};
		3430	cf::face::set_magicmap $idx, $info->{magicmap};
2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2692	Coro::cede;	3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3434
		3435	cf::cede_to_tick;
2693	}	3436	}
2694		3437
2695	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2696	next unless $info->{smooth};	3439	next unless $info->{smooth};
		3440
2697	my $idx = cf::face::find $face	3441	my $idx = cf::face::find $face
2698	or next;	3442	or next;
		3443
2699	if (my $smooth = cf::face::find $info->{smooth}) {	3444	if (my $smooth = cf::face::find $info->{smooth}) {
		3445	cf::face::set_smooth $idx, $smooth;
2700	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2701	} else {	3447	} else {
2702	warn "smooth face '$info->{smooth}' not found for face '$face'";	3448	error "smooth face '$info->{smooth}' not found for face '$face'";
2703	}	3449	}
2704	Coro::cede;	3450
		3451	cf::cede_to_tick;
2705	}	3452	}
2706	}	3453	}
2707		3454
2708	{	3455	{
2709	my $anims = $facedata->{animinfo};	3456	my $anims = $facedata->{animinfo};
2710		3457
2711	while (my ($anim, $info) = each %$anims) {	3458	while (my ($anim, $info) = each %$anims) {
2712	cf::anim::set $anim, $info->{frames}, $info->{facings};	3459	cf::anim::set $anim, $info->{frames}, $info->{facings};
2713	Coro::cede;	3460	cf::cede_to_tick;
2714	}	3461	}
2715		3462
2716	cf::anim::invalidate_all; # d'oh	3463	cf::anim::invalidate_all; # d'oh
2717	}	3464	}
2718		3465
		3466	{
		3467	my $res = $facedata->{resource};
		3468
		3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
		3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3472
		3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3474	cf::face::set_type $idx, $info->{type};
		3475	} else {
		3476	$RESOURCE{$name} = $info; # unused
		3477	}
		3478
		3479	cf::cede_to_tick;
		3480	}
		3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3484
2719	1	3485	1
2720	}	3486	}
2721		3487
		3488	register_exticmd fx_want => sub {
		3489	my ($ns, $want) = @_;
		3490
		3491	while (my ($k, $v) = each %$want) {
		3492	$ns->fx_want ($k, $v);
		3493	}
		3494	};
		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
2722	sub reload_regions {	3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
2723	load_resource_file "$MAPDIR/regions"	3511	load_resource_file "$MAPDIR/regions"
2724	or die "unable to load regions file\n";	3512	or die "unable to load regions file\n";
		3513
		3514	for (cf::region::list) {
		3515	$_->{match} = qr/$_->{match}/
		3516	if exists $_->{match};
		3517	}
2725	}	3518	}
2726		3519
2727	sub reload_facedata {	3520	sub reload_facedata {
2728	load_facedata "$DATADIR/facedata"	3521	load_facedata "$DATADIR/facedata"
2729	or die "unable to load facedata\n";	3522	or die "unable to load facedata\n";
2730	}	3523	}
2731		3524
2732	sub reload_archetypes {	3525	sub reload_archetypes {
2733	load_resource_file "$DATADIR/archetypes"	3526	load_resource_file "$DATADIR/archetypes"
2734	or die "unable to load archetypes\n";	3527	or die "unable to load archetypes\n";
2735	#d# NEED to laod twice to resolve forward references
2736	# this really needs to be done in an extra post-pass
2737	# (which needs to be synchronous, so solve it differently)
2738	load_resource_file "$DATADIR/archetypes"
2739	or die "unable to load archetypes\n";
2740	}	3528	}
2741		3529
2742	sub reload_treasures {	3530	sub reload_treasures {
2743	load_resource_file "$DATADIR/treasures"	3531	load_resource_file "$DATADIR/treasures"
2744	or die "unable to load treasurelists\n";	3532	or die "unable to load treasurelists\n";
2745	}	3533	}
2746		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
2747	sub reload_resources {	3558	sub reload_resources {
2748	warn "reloading resource files...\n";	3559	trace "reloading resource files...\n";
2749		3560
		3561	reload_exp_table;
		3562	reload_materials;
		3563	reload_facedata;
		3564	reload_sound;
		3565	reload_archetypes;
2750	reload_regions;	3566	reload_regions;
2751	reload_facedata;
2752	#reload_archetypes;#d#
2753	reload_archetypes;
2754	reload_treasures;	3567	reload_treasures;
2755		3568
2756	warn "finished reloading resource files\n";	3569	trace "finished reloading resource files\n";
2757	}	3570	}
2758		3571
2759	sub init {	3572	sub reload_config {
2760	reload_resources;	3573	trace "reloading config file...\n";
2761	}
2762		3574
2763	sub cfg_load {	3575	0 < aio_load "$CONFDIR/config", my $config
2764	open my $fh, "<:utf8", "$CONFDIR/config"	3576	or die "$CONFDIR/config: $!";
2765	or return;
2766		3577
2767	local $/;	3578	utf8::decode $config;
2768	*CFG = YAML::Syck::Load <$fh>;	3579	*CFG = yaml_load $config;
2769		3580
2770	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2771		3582
2772	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2773	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2774		3585
2775	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2779	};	3590	};
2780	warn $@ if $@;	3591	warn $@ if $@;
2781	}	3592	}
2782	}	3593	}
2783		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
2784	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
2785	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2786	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2787	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2788	(async {	3636	(async {
2789	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2790	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2791	};	3640	};
2792		3641
2793	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
		3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
2794	db_init;	3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
2795	load_extensions;	3665	load_extensions;
2796		3666
2797	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2798	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
2799	}	3685	}
2800		3686
2801	#############################################################################	3687	#############################################################################
2802	# initialisation and cleanup	3688	# initialisation and cleanup
2803		3689
2804	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2805	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2806	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2807	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2808	reentrant => 0,
2809	data => WF_AUTOCANCEL,
2810	signal => $signal,
2811	prio => 0,
2812	cb => sub {
2813	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2814	},
2815	);	3696	};
2816	}	3697	}
2817	}	3698	}
2818		3699
2819	sub write_runtime {	3700	sub write_runtime_sync {
2820	my $runtime = "$LOCALDIR/runtime";	3701	my $t0 = AE::time;
2821		3702
2822	# first touch the runtime file to show we are still running:	3703	# first touch the runtime file to show we are still running:
2823	# the fsync below can take a very very long time.	3704	# the fsync below can take a very very long time.
2824		3705
2825	IO::AIO::aio_utime $runtime, undef, undef;	3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2826		3707
2827	my $guard = cf::lock_acquire "write_runtime";	3708	my $guard = cf::lock_acquire "write_runtime";
2828		3709
2829	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2830	or return;	3711	or return;
2831		3712
2832	my $value = $cf::RUNTIME + 90 + 10;	3713	my $value = $cf::RUNTIME + 90 + 10;
2833	# 10 is the runtime save interval, for a monotonic clock	3714	# 10 is the runtime save interval, for a monotonic clock
2834	# 60 allows for the watchdog to kill the server.	3715	# 60 allows for the watchdog to kill the server.
…		…
2844	aio_utime $fh, undef, undef;	3725	aio_utime $fh, undef, undef;
2845		3726
2846	close $fh	3727	close $fh
2847	or return;	3728	or return;
2848		3729
2849	aio_rename "$runtime~", $runtime	3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2850	and return;	3731	and return;
2851		3732
2852	warn "runtime file written.\n";	3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2853		3734
2854	1	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
2855	}	3786	}
2856		3787
2857	sub emergency_save() {	3788	sub emergency_save() {
2858	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2859		3790
2860	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
2861		3797
2862	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2863	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2864	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2865	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2866	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2867	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2868	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2869	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2870	$pl->save;	3809	$pl->save;
2871	}	3810	}
2872	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2873		3812
2874	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
2875	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2876	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2877	$map->valid or next;	3818	$map->valid or next;
2878	$map->save;	3819	$map->save;
2879	}	3820	}
2880	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
2881		3822
2882	warn "begin emergency database checkpoint\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
2883	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2884	warn "end emergency database checkpoint\n";	3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2885	};	3851	};
2886		3852
2887	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2888	}	3854	}
2889		3855
2890	sub post_cleanup {	3856	sub post_cleanup {
2891	my ($make_core) = @_;	3857	my ($make_core) = @_;
2892		3858
		3859	IO::AIO::flush;
		3860
2893	warn Carp::longmess "post_cleanup backtrace"	3861	error Carp::longmess "post_cleanup backtrace"
2894	if $make_core;	3862	if $make_core;
		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
2895	}	3891	}
2896		3892
2897	sub do_reload_perl() {	3893	sub do_reload_perl() {
2898	# can/must only be called in main	3894	# can/must only be called in main
2899	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2900	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2901	return;	3897	return;
2902	}	3898	}
2903		3899
2904	warn "reloading...";	3900	return if $RELOAD++;
2905		3901
2906	warn "entering sync_job";	3902	my $t1 = AE::time;
2907		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
2908	cf::sync_job {	3910	cf::sync_job {
2909	cf::write_runtime; # external watchdog should not bark
2910	cf::emergency_save;	3911	#cf::emergency_save;
2911	cf::write_runtime; # external watchdog should not bark
2912		3912
2913	warn "syncing database to disk";
2914	BDB::db_env_txn_checkpoint $DB_ENV;
2915
2916	# if anything goes wrong in here, we should simply crash as we already saved
2917
2918	warn "cancelling all WF_AUTOCANCEL watchers";
2919	for (Event::all_watchers) {
2920	$_->cancel if $_->data & WF_AUTOCANCEL;
2921	}
2922
2923	warn "flushing outstanding aio requests";
2924	for (;;) {
2925	BDB::flush;
2926	IO::AIO::flush;
2927	Coro::cede;
2928	last unless IO::AIO::nreqs || BDB::nreqs;
2929	warn "iterate...";
2930	}
2931
2932	++$RELOAD;
2933
2934	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
2935	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2936	%EXT_CORO = ();	3915	%EXT_CORO = ();
2937		3916
2938	warn "removing commands";	3917	trace "perl_reload: removing commands";
2939	%COMMAND = ();	3918	%COMMAND = ();
2940		3919
2941	warn "removing ext/exti commands";	3920	trace "perl_reload: removing ext/exti commands";
2942	%EXTCMD = ();	3921	%EXTCMD = ();
2943	%EXTICMD = ();	3922	%EXTICMD = ();
2944		3923
2945	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2946	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2947	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2948		3927
2949	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2950	eval {	3929	eval {
2951	$cb->($pkg);	3930	$cb->($pkg);
2952	1	3931	1
2953	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
2954	}	3937	}
2955		3938
2956	warn "... nuking $pkg";
2957	Symbol::delete_package $pkg;
2958	}
2959
2960	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2961	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2962	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2963		3942
2964	warn "... unloading $k";	3943	trace "... unloading $k";
2965	delete $INC{$k};	3944	delete $INC{$k};
2966		3945
2967	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2968	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2969		3948
2970	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2971	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2972	}	3954	}
2973		3955
2974	Symbol::delete_package $k;
2975	}
2976
2977	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2978	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2979	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2980		3959
2981	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2982	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
2983	delete $INC{"cf/pod.pm"};	3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2984		3963
2985	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2986	# and global variables created in xs	3965	# and global variables created in xs
2987	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2988		3967
2989	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
2990		3969
2991	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
2992	require cf;	3971	require cf;
2993	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2994		3973
2995	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
2996	cf::cfg_load;	3975	cf::reload_config;
2997		3976
2998	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
2999	cf::load_extensions;	3978	cf::load_extensions;
3000		3979
		3980	if ($REATTACH_ON_RELOAD) {
3001	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
3002	_global_reattach; # objects, sockets	3982	_global_reattach; # objects, sockets
3003	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
3004	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
3005	warn "reattaching attachments to players";	3985	trace "perl_reload: reattaching attachments to players";
3006	reattach $_ for values %PLAYER;	3986	reattach $_ for values %PLAYER;
		3987	}
3007		3988
3008	warn "leaving sync_job";	3989	cf::_post_init 1;
3009		3990
		3991	trace "perl_reload: leaving sync_job";
		3992
3010	1	3993	1
3011	} or do {	3994	} or do {
3012	warn $@;	3995	error $@;
3013	warn "error while reloading, exiting.";	3996	cf::cleanup "perl_reload: error, exiting.";
3014	exit 1;	3997	};
		3998
		3999	--$RELOAD;
3015	};	4000	}
3016		4001
3017	warn "reloaded";	4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
3018	};	4004	};
3019		4005
3020	our $RELOAD_WATCHER; # used only during reload	4006	our $RELOAD_WATCHER; # used only during reload
3021		4007
3022	sub reload_perl() {	4008	sub reload_perl() {
3023	# doing reload synchronously and two reloads happen back-to-back,	4009	# doing reload synchronously and two reloads happen back-to-back,
3024	# coro crashes during coro_state_free->destroy here.	4010	# coro crashes during coro_state_free->destroy here.
3025		4011
3026	$RELOAD_WATCHER ||= Event->timer (	4012	$RELOAD_WATCHER ||= cf::async {
3027	reentrant => 0,	4013	Coro::AIO::aio_wait cache_extensions;
3028	after => 0,	4014
3029	data => WF_AUTOCANCEL,	4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3030	cb => sub {
3031	do_reload_perl;	4016	do_reload_perl;
3032	undef $RELOAD_WATCHER;	4017	undef $RELOAD_WATCHER;
3033	},	4018	};
3034	);	4019	};
3035	}	4020	}
3036		4021
3037	register_command "reload" => sub {	4022	register_command "reload" => sub {
3038	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
3039		4024
3040	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
3041	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
		4027	async {
		4028	$Coro::current->{desc} = "perl_reload";
3042	async { reload_perl };	4029	reload_perl;
		4030	};
3043	}	4031	}
3044	};	4032	};
3045		4033
3046	unshift @INC, $LIBDIR;	4034	#############################################################################
3047		4035
3048	my $bug_warning = 0;	4036	my $bug_warning = 0;
3049		4037
3050	our @WAIT_FOR_TICK;	4038	our @WAIT_FOR_TICK;
3051	our @WAIT_FOR_TICK_BEGIN;	4039	our @WAIT_FOR_TICK_BEGIN;
3052		4040
3053	sub wait_for_tick {	4041	sub wait_for_tick() {
3054	return unless $TICK_WATCHER->is_active;
3055	return if $Coro::current == $Coro::main;	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3056		4043
3057	my $signal = new Coro::Signal;	4044	my $signal = new Coro::Signal;
3058	push @WAIT_FOR_TICK, $signal;	4045	push @WAIT_FOR_TICK, $signal;
3059	$signal->wait;	4046	$signal->wait;
3060	}	4047	}
3061		4048
3062	sub wait_for_tick_begin {	4049	sub wait_for_tick_begin() {
3063	return unless $TICK_WATCHER->is_active;
3064	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3065		4051
3066	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
3067	push @WAIT_FOR_TICK_BEGIN, $signal;	4053	push @WAIT_FOR_TICK_BEGIN, $signal;
3068	$signal->wait;	4054	$signal->wait;
3069	}	4055	}
3070		4056
3071	my $min = 1e6;#d#	4057	sub tick {
3072	my $avg = 10;
3073	$TICK_WATCHER = Event->timer (
3074	reentrant => 0,
3075	parked => 1,
3076	prio => 0,
3077	at => $NEXT_TICK || $TICK,
3078	data => WF_AUTOCANCEL,
3079	cb => sub {
3080	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3082	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
3083	return;	4061	return;
3084	}	4062	}
3085		4063
3086	$NOW = $tick_start = Event::time;
3087
3088	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
3089		4065
3090	0 && sync_job {#d#	4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3091	for(1..10) {
3092	my $t = Event::time;
3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3094	or die;
3095		4067
3096	$map->width (50);	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3097	$map->height (50);	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3098	$map->alloc;	4070	Coro::async_pool {
3099	$map->_load_objects ("/tmp/x.map", 1);	4071	$Coro::current->{desc} = "runtime saver";
3100	my $t = Event::time - $t;	4072	write_runtime_sync
3101		4073	or error "ERROR: unable to write runtime file: $!";
3102	#next unless $t < 0.0013;#d#
3103	if ($t < $min) {
3104	$min = $t;
3105	}
3106	$avg = $avg * 0.99 + $t * 0.01;
3107	}
3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3109	exit 0;
3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3111	};	4074	};
		4075	}
3112		4076
3113	$RUNTIME += $TICK;
3114	$NEXT_TICK += $TICK;
3115
3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3117	$NEXT_RUNTIME_WRITE = $NOW + 10;
3118	Coro::async_pool {
3119	write_runtime
3120	or warn "ERROR: unable to write runtime file: $!";
3121	};
3122	}
3123
3124	# my $AFTER = Event::time;
3125	# warn $AFTER - $NOW;#d#
3126
3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3128	$sig->send;	4078	$sig->send;
3129	}	4079	}
3130	while (my $sig = shift @WAIT_FOR_TICK) {	4080	while (my $sig = shift @WAIT_FOR_TICK) {
3131	$sig->send;	4081	$sig->send;
3132	}	4082	}
3133		4083
3134	$NOW = Event::time;	4084	$LOAD = ($NOW - $TICK_START) / $TICK;
3135
3136	# if we are delayed by four ticks or more, skip them all
3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3138
3139	$TICK_WATCHER->at ($NEXT_TICK);
3140	$TICK_WATCHER->start;
3141
3142	$LOAD = ($NOW - $tick_start) / $TICK;
3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3144		4086
3145	_post_tick;	4087	if (0) {
3146		4088	if ($NEXT_TICK) {
3147		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
3148	},	4093	}
3149	);	4094	}
3150		4095
3151	{	4096	{
3152	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
3153	$BDB_POLL_WATCHER = Event->io (	4098
3154	reentrant => 0,
3155	fd => BDB::poll_fileno,
3156	poll => 'r',
3157	prio => 0,
3158	data => WF_AUTOCANCEL,
3159	cb => \&BDB::poll_cb,
3160	);
3161	BDB::min_parallel 8;	4099	BDB::min_parallel 16;
3162		4100	BDB::max_poll_reqs $TICK * 0.1;
3163	BDB::set_sync_prepare {	4101	$AnyEvent::BDB::WATCHER->priority (1);
3164	my $status;
3165	my $current = $Coro::current;
3166	(
3167	sub {
3168	$status = $!;
3169	$current->ready; undef $current;
3170	},
3171	sub {
3172	Coro::schedule while defined $current;
3173	$! = $status;
3174	},
3175	)
3176	};
3177		4102
3178	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
3179	$DB_ENV = BDB::db_env_create;	4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3180		4110
3181	cf::sync_job {	4111	cf::sync_job {
3182	eval {	4112	eval {
3183	BDB::db_env_open	4113	BDB::db_env_open
3184	$DB_ENV,	4114	$DB_ENV,
…		…
3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3188	0666;	4118	0666;
3189		4119
3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3191
3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3193	$DB_ENV->set_lk_detect;
3194	};	4121	};
3195		4122
3196	cf::cleanup "db_env_open(db): $@" if $@;	4123	cf::cleanup "db_env_open(db): $@" if $@;
3197	};	4124	};
3198	}	4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
3199	}	4136	}
3200		4137
3201	{	4138	{
		4139	# configure IO::AIO
		4140
3202	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
3203
3204	undef $Coro::AIO::WATCHER;
3205	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
3206	$AIO_POLL_WATCHER = Event->io (	4143	undef $AnyEvent::AIO::WATCHER;
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	fd => IO::AIO::poll_fileno,
3210	poll => 'r',
3211	prio => 6,
3212	cb => \&IO::AIO::poll_cb,
3213	);
3214	}	4144	}
3215		4145
3216	my $_log_backtrace;	4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
3217		4148
3218	sub _log_backtrace {	4149	sub _log_backtrace {
3219	my ($msg, @addr) = @_;	4150	my ($msg, @addr) = @_;
3220		4151
3221	$msg =~ s/\n//;	4152	$msg =~ s/\n$//;
3222		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3223	# limit the # of concurrent backtraces	4157	# limit the # of concurrent backtraces
3224	if ($_log_backtrace < 2) {	4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
3225	++$_log_backtrace;	4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
3226	async {	4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
3227	my @bt = fork_call {	4165	my @bt = fork_call {
3228	@addr = map { sprintf "%x", $_ } @addr;	4166	@addr = map { sprintf "%x", $_ } @addr;
3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3230	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3231	or die "addr2line: $!";	4169	or die "addr2line: $!";
…		…
3239	}	4177	}
3240		4178
3241	@funcs	4179	@funcs
3242	};	4180	};
3243		4181
3244	LOG llevInfo, "[ABT] $msg\n";	4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3245	LOG llevInfo, "[ABT] $_\n" for @bt;	4184	LOG llevInfo, "[ABT] $_\n" for @bt;
3246	--$_log_backtrace;	4185	--$_log_backtrace;
3247	};	4186	};
3248	} else {	4187	} else {
3249	LOG llevInfo, "[ABT] $msg\n";	4188	LOG llevInfo, "[ABT] $msg\n";
3250	LOG llevInfo, "[ABT] [suppressed]\n";	4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3251	}	4190	}
3252	}	4191	}
3253		4192
3254	# load additional modules	4193	# load additional modules
3255	use cf::pod;	4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
3256		4196
3257	END { cf::emergency_save }	4197	END { cf::emergency_save }
3258		4198
3259	1	4199	1
3260		4200

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