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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.292 by root, Tue Jul 3 00:54:57 2007 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
171	=back	258	=back
172		259
173	=cut	260	=cut
174		261
175	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	269	my $msg = join "", @_;
178		270
179	$msg .= "\n"	271	$msg .= "\n"
180	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
181		273
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		275
184	utf8::encode $msg;
185	LOG llevError, $msg;	276	LOG llevWarn, $msg;
186	};	277	};
187	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
188		292
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	303	for my $pkg (qw(
200	cf::global cf::attachable	304	cf::global cf::attachable
201	cf::object cf::object::player	305	cf::object cf::object::player
202	cf::client cf::player	306	cf::client cf::player
203	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
204	cf::map cf::party cf::region	309	cf::party cf::region
205	)) {	310	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	312	}
209		313
210	$Event::DIED = sub {	314	$EV::DIED = sub {
211	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
212	};	316	};
213		317
214	#############################################################################	318	#############################################################################
215		319
216	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	343	$d
240	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
241	}	345	}
242		346
243	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
244		348
245	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
246		350
247	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
248		352
249	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
250		354
251	=cut	355	=cut
252		356
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		358
255	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
257		404
258	=item cf::lock_wait $string	405	=item cf::lock_wait $string
259		406
260	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
261		408
262	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
263		410
264	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
267	returned.	414	returned.
268		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
269	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
271		421
272	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
273		423
274	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
275		425
276	=cut	426	=cut
277		427
278	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
279		429
280	sub lock_wait($) {	430	sub lock_wait($) {
281	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	432	}
289		433
290	sub lock_acquire($) {	434	sub lock_acquire($) {
291	my ($key) = @_;	435	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	436	}
303		437
304	sub lock_active($) {	438	sub lock_active($) {
305	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	440	}
309		441
310	sub freeze_mainloop {	442	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
312		444
313	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
315	};	512	}
316	$TICK_WATCHER->stop;	513	};
317	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
318	}	528	}
319		529
320	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
321		531
322	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		537
328	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
329		539
330	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
331		541
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	545	acceptable.
336		546
337	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	552	=cut
343		553
344	sub sync_job(&) {	554	sub sync_job(&) {
345	my ($job) = @_;	555	my ($job) = @_;
346		556
347	if ($Coro::current == $Coro::main) {	557	if (in_main) {
348	my $time = Event::time;	558	my $time = AE::time;
349		559
350	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
352		562
353	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	564
355	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
356		566
357	my $busy = 1;	567	my $busy = 1;
358	my @res;	568	my @res;
359		569
360	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	572	@res = eval { $job->() };
362	warn $@ if $@;	573	error $@ if $@;
363	undef $busy;	574	undef $busy;
364	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
365		576
366	while ($busy) {	577	while ($busy) {
367	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
368	}	582	}
		583	}
369		584
370	$time = Event::time - $time;	585	my $time = AE::time - $time;
371		586
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
376		588
377	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
378	} else {	590	} else {
379	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
380		592
…		…
400	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
401		613
402	$coro	614	$coro
403	}	615	}
404		616
405	=item fork_call { }, $args	617	=item fork_call { }, @args
406		618
407	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
411		623
412	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
413		629
414	sub fork_call(&@) {	630	sub fork_call(&@) {
415	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
416		632
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	633	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		636
422	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
423	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
424		641
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	643	}
427		644
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
447	}	681	}
448		682
449	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
450		684
451	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
454		688
455	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
458	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
459		718
460	our $DB;	719	our $DB;
461		720
462	sub db_init {	721	sub db_init {
463	unless ($DB) {	722	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	723	}
478		724
479	sub db_get($$) {	725	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
481		727
482	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
483	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
484		732
485	$! ? ()	733	$! ? ()
486	: $data	734	: $data
487	}
488	}	735	}
489		736
490	sub db_put($$$) {	737	sub db_put($$$) {
491	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
531	if (1) {	778	if (1) {
532	$md5 =	779	$md5 =
533	join "\x00",	780	join "\x00",
534	$processversion,	781	$processversion,
535	map {	782	map {
536	Coro::cede;	783	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	785	} 0.. $#$src;
539		786
540		787
541	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		795
549	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	797	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
552		799
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		801
555	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
558		805
…		…
568		815
569	=cut	816	=cut
570		817
571	sub datalog($@) {	818	sub datalog($@) {
572	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	821	}
575		822
576	=back	823	=back
577		824
578	=cut	825	=cut
579		826
580	#############################################################################	827	#############################################################################
581		828
582	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
583		830
584	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
587		834
588	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	837	Deliantra).
591		838
592	=over 4	839	=over 4
593		840
594	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
595		842
…		…
639	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
640		887
641	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
643		890
644	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
646		893
647	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
648		895
649	=over 4	896	=over 4
…		…
773		1020
774	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1023
777	} elsif (ref $type) {	1024	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
779		1026
780	} else {	1027	} else {
781	shift @arg;	1028	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
783	}	1030	}
784	}	1031	}
785	}	1032	}
786		1033
787	sub _object_attach {	1034	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
798	}	1045	}
799		1046
800	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
801	} else {	1048	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1050	}
804		1051
805	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
806	}	1053	}
807		1054
…		…
847	";	1094	";
848	die if $@;	1095	die if $@;
849	}	1096	}
850		1097
851	our $override;	1098	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1100
854	sub override {	1101	sub override {
855	$override = 1;	1102	$override = 1;
856	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
857	}	1104	}
858		1105
859	sub do_invoke {	1106	sub do_invoke {
860	my $event = shift;	1107	my $event = shift;
861	my $callbacks = shift;	1108	my $callbacks = shift;
862		1109
863	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
864		1111
865	local $override;	1112	local $override;
866		1113
867	for (@$callbacks) {	1114	for (@$callbacks) {
868	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
869		1116
870	if ($@) {	1117	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1119	override;
874	}	1120	}
875		1121
876	return 1 if $override;	1122	return 1 if $override;
877	}	1123	}
878		1124
879	0	1125	0
880	}	1126	}
881		1127
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1129
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1131
886	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
887		1133
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1137
892	=back	1138	=back
893		1139
894	=cut	1140	=cut
895		1141
896	#############################################################################	1142	#############################################################################
897	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
898		1186
899	sub reattach {	1187	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1189	my ($obj) = @_;
902		1190
		1191	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1193
905	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
906		1195
907	@$registry = ();	1196	@$registry = ();
908		1197
…		…
913	for (@$attach) {	1202	for (@$attach) {
914	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
916	}	1205	}
917	} else {	1206	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1208	}
920	}	1209	}
921	}	1210	}
922		1211
923	cf::attachable->attach (	1212	cf::attachable->attach (
924	prio => -1000000,	1213	prio => -1000000,
925	on_instantiate => sub {	1214	on_instantiate => sub {
926	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
927		1216
928	$data = from_json $data;	1217	$data = decode_json $data;
929		1218
930	for (@$data) {	1219	for (@$data) {
931	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
932		1221
933	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1238	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
951		1240
952	sync_job {	1241	sync_job {
953	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
956		1247
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
961	close $fh;	1255	aio_close $fh;
962		1256
963	if (@$objs) {	1257	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
969	close $fh;	1266	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
971	}	1268	}
972	} else {	1269	} else {
973	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
974	}	1271	}
975		1272
976	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1277	} else {
978	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
979	}	1279	}
980	} else {	1280	} else {
981	aio_unlink $filename;	1281	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
983	}	1283	}
984	}	1284	};
985	}	1285	}
986		1286
987	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
989		1289
…		…
1001	or return;	1301	or return;
1002		1302
1003	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1305	or return;
		1306
1006	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1007	}	1309	}
1008		1310
		1311	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1011	return ($data, $av);	1316	($data, $av)
1012	}	1317	}
1013		1318
1014	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1015		1320
1016	=over 4	1321	=over 4
…		…
1070	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1071		1376
1072	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1073	}	1378	}
1074		1379
		1380	use File::Glob ();
		1381
1075	cf::player->attach (	1382	cf::player->attach (
1076	on_command => sub {	1383	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1078		1385
1079	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1080	or return;	1387	or return;
1081		1388
…		…
1089	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1090		1397
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1399
1093	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1099	} else {	1415	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1417	}
1102		1418
1103	cf::override;	1419	cf::override;
1104	},	1420	},
1105	);	1421	);
1106		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1107	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1108	cf::sync_job {	1439	cf::sync_job {
1109	my %todo;	1440	my %todo;
1110		1441
1111	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1443	next unless -r $path;
…		…
1130		1461
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1464
1134	$ext{source} =	1465	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1137	. $source	1468	. $source
1138	. "\n};\n1";	1469	. "\n};\n1";
1139		1470
1140	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1141	}	1472	}
1142		1473
		1474	my $pass = 0;
1143	my %done;	1475	my %done;
1144	while (%todo) {	1476	while (%todo) {
1145	my $progress;	1477	my $progress;
1146		1478
		1479	++$pass;
		1480
		1481	ext:
1147	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1484	next ext
1150	unless exists $done{$_};	1485	unless exists $done{$_};
1151	}	1486	}
1152		1487
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1489
1155	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1160	warn $msg;	1497
1161	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1499	delete $todo{$k};
1163	}	1500	} else {
1164		1501	$done{$k} = delete $todo{$k};
1165	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1166	}	1507	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1508	}
1172		1509
1173	skip:	1510	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1176	}	1518	}
1177	};	1519	};
1178	}	1520	}
1179		1521
1180	#############################################################################	1522	#############################################################################
1181		1523
1182	=back	1524	=back
1183		1525
1184	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1185		1527
1186	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1187		1529
1188	=cut	1530	=cut
1189		1531
1190	package cf::player;	1532	package cf::player;
1191		1533
1192	use Coro::AIO;	1534	use Coro::AIO;
1193		1535
1194	=head3 cf::player	1536	=head3 cf::player
1195		1537
1196	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1197		1553
1198	=item cf::player::find $login	1554	=item cf::player::find $login
1199		1555
1200	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1201		1557
…		…
1220		1576
1221	sub exists($) {	1577	sub exists($) {
1222	my ($login) = @_;	1578	my ($login) = @_;
1223		1579
1224	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1226	}	1582	}
1227		1583
1228	sub find($) {	1584	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1586	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1597
1242	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1245	}	1607	}
1246	}	1608	}
1247	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1248		1623
1249	sub save($) {	1624	sub save($) {
1250	my ($pl) = @_;	1625	my ($pl) = @_;
1251		1626
1252	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1258		1633
1259	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1261		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1262	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1263	Coro::cede;	1643	cf::cede_to_tick;
1264	}	1644	}
1265		1645
1266	sub new($) {	1646	sub new($) {
1267	my ($login) = @_;	1647	my ($login) = @_;
1268		1648
…		…
1274	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1275		1655
1276	$self	1656	$self
1277	}	1657	}
1278		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1279	=item $pl->quit_character	1669	=item $pl->quit_character
1280		1670
1281	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1283		1673
…		…
1287	my ($pl) = @_;	1677	my ($pl) = @_;
1288		1678
1289	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1290		1680
1291	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1683
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1297	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1298		1692
1299	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1336	or return [];	1730	or return [];
1337		1731
1338	my @logins;	1732	my @logins;
1339		1733
1340	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1344		1744
1345	utf8::decode $login;	1745	utf8::decode $login;
1346	push @logins, $login;	1746	push @logins, $login;
1347	}	1747	}
1348		1748
1349	\@logins	1749	\@logins
1350	}	1750	}
1351		1751
1352	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1353		1755
1354	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1355	player. May block.	1757	player. May block.
1356		1758
1357	=cut	1759	=cut
…		…
1375	}	1777	}
1376		1778
1377	\@paths	1779	\@paths
1378	}	1780	}
1379		1781
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1783
1382	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1383		1785
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	$_
1420	}
1421
1422	sub hintmode {
1423	$_[0]{hintmode} = $_[1] if @_ > 1;
1424	$_[0]{hintmode}
1425	}
1426
1427	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1428		1787
1429	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1430		1789
1431	=cut	1790	=cut
1432		1791
1433	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1434	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1435		1794
1436	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1438	}	1796	}
1439		1797
1440	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1441		1799
1442	Sends an ext event to the client.	1800	Sends an ext event to the client.
1443		1801
1444	=cut	1802	=cut
1445		1803
1446	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1447	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1448		1806
1449	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1450	}	1808	}
1451		1809
1452	=head3 cf::region	1810	=head3 cf::region
1453		1811
1454	=over 4	1812	=over 4
…		…
1464	=cut	1822	=cut
1465		1823
1466	sub find_by_path($) {	1824	sub find_by_path($) {
1467	my ($path) = @_;	1825	my ($path) = @_;
1468		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1469	my ($match, $specificity);	1829	my ($match, $specificity);
1470		1830
1471	for my $region (list) {	1831	for my $region (list) {
1472	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1473	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1474	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1475	}	1835	}
1476	}	1836	}
1477		1837
…		…
1498	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1499	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1500		1860
1501	sub generate_random_map {	1861	sub generate_random_map {
1502	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1503	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1504	$self->_create_random_map (	1867	$self->_create_random_map (
1505	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
1506	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1507	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1508	$rmp->{exit_on_final_map},
1509	$rmp->{xsize}, $rmp->{ysize},
1510	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1511	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1512	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1513	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1514	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1515	(cf::region::find $rmp->{region}), $rmp->{custom}	1869	(cf::region::find $rmp->{region})
1516	)	1870	)
1517	}	1871	}
1518		1872
1519	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1520		1874
…		…
1526		1880
1527	sub register {	1881	sub register {
1528	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1529	my $pkg = caller;	1883	my $pkg = caller;
1530		1884
1531	no strict;
1532	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1533		1886
1534	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1535	}	1888	}
1536		1889
1537	# also paths starting with '/'	1890	# also paths starting with '/'
1538	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1539		1892
1540	sub thawer_merge {	1893	sub thawer_merge {
1541	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1542		1895
1543	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
…		…
1548	}	1901	}
1549		1902
1550	sub normalise {	1903	sub normalise {
1551	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1552		1905
1553	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
1554		1907
1555	$path =~ s/\.map$//;	1908	$path =~ s/\.map$//;
1556		1909
1557	# map plan:	1910	# map plan:
1558	#	1911	#
…		…
1573	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1574	$path = "$base/$path";	1927	$path = "$base/$path";
1575	}	1928	}
1576		1929
1577	for ($path) {	1930	for ($path) {
1578	redo if s{//}{/};
1579	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1580	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1581	}	1933	}
1582		1934
1583	$path	1935	$path
…		…
1597	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1598	return $self;	1950	return $self;
1599	}	1951	}
1600	}	1952	}
1601		1953
1602	Carp::carp "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1603	()	1955	()
1604	}	1956	}
1605		1957
1606	sub init {	1958	sub init {
1607	my ($self) = @_;	1959	my ($self) = @_;
…		…
1629		1981
1630	# the temporary/swap location	1982	# the temporary/swap location
1631	sub save_path {	1983	sub save_path {
1632	my ($self) = @_;	1984	my ($self) = @_;
1633		1985
1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1635	"$TMPDIR/$path.map"	1987	"$TMPDIR/$path.map"
1636	}	1988	}
1637		1989
1638	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1639	sub uniq_path {	1991	sub uniq_path {
1640	my ($self) = @_;	1992	my ($self) = @_;
1641		1993
1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1643	"$UNIQUEDIR/$path"	1995	"$UNIQUEDIR/$path"
1644	}
1645
1646	# and all this just because we cannot iterate over
1647	# all maps in C++...
1648	sub change_all_map_light {
1649	my ($change) = @_;
1650
1651	$_->change_map_light ($change)
1652	for grep $_->outdoor, values %cf::MAP;
1653	}	1996	}
1654		1997
1655	sub decay_objects {	1998	sub decay_objects {
1656	my ($self) = @_;	1999	my ($self) = @_;
1657		2000
…		…
1670		2013
1671	sub load_header_from($) {	2014	sub load_header_from($) {
1672	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1673		2016
1674	utf8::encode $path;	2017	utf8::encode $path;
1675	#aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1676	# or return;
1677
1678	$self->_load_header ($path)
1679	or return;	2019	or return;
		2020
		2021	$self->_load_header ($f)
		2022	or return;
		2023
		2024	local $MAP_LOADING{$self->{path}} = $self;
		2025	$f->resolve_delayed_derefs;
1680		2026
1681	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1682		2028
1683	1	2029	1
1684	}	2030	}
…		…
1736		2082
1737	sub find;	2083	sub find;
1738	sub find {	2084	sub find {
1739	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1740		2086
		2087	cf::cede_to_tick;
		2088
1741	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1742		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1743	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1744		2093
1745	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1746	my $guard = cf::lock_acquire "map_find:$path";
1747	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1748	or return;	2096	or return;
1749		2097
1750	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1751		2099
…		…
1753	or return;	2101	or return;
1754		2102
1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1756	# doing this can freeze the server in a sync job, obviously	2104	# doing this can freeze the server in a sync job, obviously
1757	#$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1758	$map->reset;	2108	$map->reset;
1759	undef $guard;
1760	return find $path;	2109	return find $path;
1761	}	2110	}
1762		2111
1763	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1764	}	2113	}
1765	}	2114	}
1766		2115
1767	sub pre_load { }	2116	sub pre_load { }
1768	sub post_load { }	2117	#sub post_load { } # XS
1769		2118
1770	sub load {	2119	sub load {
1771	my ($self) = @_;	2120	my ($self) = @_;
1772		2121
1773	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
1774		2123
1775	my $path = $self->{path};	2124	my $path = $self->{path};
1776		2125
1777	{	2126	{
1778	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1779		2128
		2129	return unless $self->valid;
1780	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1781		2131
1782	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1783		2133
1784	$self->alloc;	2134	$self->alloc;
1785		2135
1786	$self->pre_load;	2136	$self->pre_load;
1787	Coro::cede;	2137	cf::cede_to_tick;
1788		2138
		2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
1789	$self->_load_objects ($self->{load_path}, 1)	2141	$self->_load_objects ($f)
1790	or return;	2142	or return;
1791		2143
1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1793	if delete $self->{load_original};	2145	if delete $self->{load_original};
1794		2146
1795	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1796	utf8::encode $uniq;	2148	utf8::encode $uniq;
1797	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1798	$self->clear_unique_items;	2151	$self->clear_unique_items;
1799	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1800	}	2155	}
1801	}	2156	}
1802		2157
1803	Coro::cede;	2158	$f->resolve_delayed_derefs;
		2159
		2160	cf::cede_to_tick;
1804	# now do the right thing for maps	2161	# now do the right thing for maps
1805	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1806	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1807	unless $self->difficulty;	2164	unless $self->difficulty;
1808	Coro::cede;	2165	cf::cede_to_tick;
1809		2166
1810	unless ($self->{deny_activate}) {	2167	unless ($self->{deny_activate}) {
1811	$self->decay_objects;	2168	$self->decay_objects;
1812	$self->fix_auto_apply;	2169	$self->fix_auto_apply;
1813	$self->update_buttons;	2170	$self->update_buttons;
1814	Coro::cede;	2171	cf::cede_to_tick;
1815	$self->set_darkness_map;
1816	Coro::cede;
1817	$self->activate;	2172	$self->activate;
1818	}	2173	}
1819		2174
		2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
		2177
1820	$self->in_memory (cf::MAP_IN_MEMORY);	2178	$self->in_memory (cf::MAP_ACTIVE);
1821	}	2179	}
1822		2180
1823	$self->post_load;	2181	$self->post_load;
1824	}
1825		2182
		2183	1
		2184	}
		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1826	sub customise_for {	2189	sub customise_for {
1827	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1828		2191
1829	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1830	if $self->per_player;	2193	if $self->per_player;
…		…
1834		2197
1835	$self	2198	$self
1836	}	2199	}
1837		2200
1838	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1839	sub load_diag {	2202	sub load_neighbours {
1840	my ($map) = @_;	2203	my ($map) = @_;
1841		2204
1842	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1843		2206
1844	for (0 .. 3) {	2207	for (0 .. 3) {
1845	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1846	or next;	2209	or next;
1847	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1848	or next;	2211	or next;
1849	$neigh->load;	2212	$neigh->load;
1850		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1851	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1852	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1853	}	2218	}
1854		2219
1855	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1856	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1857	or next;	2223	or next;
1858	$neigh->load;	2224	$neigh->load;
1859	}	2225	}
1860	}	2226	}
1861		2227
1862	sub find_sync {	2228	sub find_sync {
1863	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1864		2230
1865	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1866	}	2235	}
1867		2236
1868	sub do_load_sync {	2237	sub do_load_sync {
1869	my ($map) = @_;	2238	my ($map) = @_;
1870		2239
1871	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1872	}	2244	}
1873		2245
1874	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1875	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
1876		2248
1877	sub find_async {	2249	sub find_async {
1878	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1879		2251
1880	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
1881		2253
1882	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
1883	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1884	}	2256	}
1885		2257
1886	undef $MAP_PREFETCH{$path};	2258	$MAP_PREFETCH{$path} |= $load;
		2259
1887	$MAP_PREFETCHER ||= cf::async {	2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
1888	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
1889	for my $path (keys %MAP_PREFETCH) {	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
1890	my $map = find $path	2265	if (my $map = find $k) {
1891	or next;
1892	$map->load;	2266	$map->load if $v;
		2267	}
1893		2268
1894	delete $MAP_PREFETCH{$path};	2269	delete $MAP_PREFETCH{$k};
1895	}	2270	}
1896	}	2271	}
1897	undef $MAP_PREFETCHER;	2272	undef $MAP_PREFETCHER;
1898	};	2273	};
1899	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
1900		2275
1901	()	2276	()
1902	}	2277	}
1903		2278
		2279	# common code, used by both ->save and ->swapout
1904	sub save {	2280	sub _save {
1905	my ($self) = @_;	2281	my ($self) = @_;
1906
1907	my $lock = cf::lock_acquire "map_data:" . $self->path;
1908		2282
1909	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1910		2284
1911	return unless $self->dirty;	2285	return unless $self->dirty;
1912		2286
…		…
1918	return if $self->{deny_save};	2292	return if $self->{deny_save};
1919		2293
1920	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
1921		2295
1922	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
1923	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
1924	};	2299	};
		2300
		2301	cf::get_slot 0.02;
1925		2302
1926	if ($uniq) {	2303	if ($uniq) {
1927	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1928	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1929	} else {	2306	} else {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1931	}	2308	}
1932	}	2309	}
1933		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
1934	sub swap_out {	2319	sub swap_out {
1935	my ($self) = @_;	2320	my ($self) = @_;
1936		2321
1937	# save first because save cedes
1938	$self->save;
1939
1940	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1941		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1942	return if $self->players;	2326	return if $self->players;
1943	return if $self->in_memory != cf::MAP_IN_MEMORY;
1944	return if $self->{deny_save};
1945		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
1946	$self->clear;	2337	$self->clear;
1947	$self->in_memory (cf::MAP_SWAPPED);
1948	}	2338	}
1949		2339
1950	sub reset_at {	2340	sub reset_at {
1951	my ($self) = @_;	2341	my ($self) = @_;
1952		2342
…		…
1970		2360
1971	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1972		2362
1973	return if $self->players;	2363	return if $self->players;
1974		2364
1975	warn "resetting map ", $self->path;	2365	cf::trace "resetting map ", $self->path, "\n";
1976		2366
1977	$self->in_memory (cf::MAP_SWAPPED);	2367	$self->in_memory (cf::MAP_SWAPPED);
1978		2368
1979	# need to save uniques path	2369	# need to save uniques path
1980	unless ($self->{deny_save}) {	2370	unless ($self->{deny_save}) {
…		…
1984	if $uniq;	2374	if $uniq;
1985	}	2375	}
1986		2376
1987	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
1988		2378
		2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
1989	$self->clear;	2381	$self->clear;
1990
1991	$_->clear_links_to ($self) for values %cf::MAP;
1992		2382
1993	$self->unlink_save;	2383	$self->unlink_save;
1994	$self->destroy;	2384	$self->destroy;
1995	}	2385	}
1996		2386
1997	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
1998		2388
1999	sub nuke {	2389	sub nuke {
2000	my ($self) = @_;	2390	my ($self) = @_;
2001		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
2002	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
2003		2396
2004	$self->unlink_save;	2397	$self->unlink_save;
2005		2398
2006	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
2007	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
2008	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
2009	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
2010	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2011		2404
2012	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
2013		2407
2014	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
2015	}	2409	}
2016		2410
2017	=item $maps = cf::map::tmp_maps	2411	=item $maps = cf::map::tmp_maps
…		…
2059		2453
2060	sub unique_maps() {	2454	sub unique_maps() {
2061	[	2455	[
2062	map {	2456	map {
2063	utf8::decode $_;	2457	utf8::decode $_;
2064	/\.map$/	2458	s/\.map$//; # TODO future compatibility hack
		2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2460	? ()
2065	? normalise $_	2461	: normalise $_
2066	: ()
2067	} @{ aio_readdir $UNIQUEDIR or [] }	2462	} @{ aio_readdir $UNIQUEDIR or [] }
2068	]	2463	]
2069	}	2464	}
2070		2465
2071	package cf;	2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
		2487	s/\.map$// or next;
		2488	utf8::decode $_;
		2489	push @maps, "$dir/$_";
		2490	}
		2491
		2492	push @dirs, map "$dir/$_", @$dirs;
		2493	}
		2494
		2495	\@maps
		2496	}
2072		2497
2073	=back	2498	=back
2074		2499
2075	=head3 cf::object	2500	=head3 cf::object
2076		2501
…		…
2080		2505
2081	=over 4	2506	=over 4
2082		2507
2083	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
2084		2509
2085	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
2086		2512
2087	=cut	2513	=cut
2088		2514
2089	sub inv_recursive_;	2515	sub inv_recursive_;
2090	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
2093		2519
2094	sub inv_recursive {	2520	sub inv_recursive {
2095	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
2096	}	2522	}
2097		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
2098	package cf;	2552	package cf;
2099		2553
2100	=back	2554	=back
2101		2555
2102	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
2108	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2109	can be C<undef>. Does the right thing when the player is currently in a	2563	can be C<undef>. Does the right thing when the player is currently in a
2110	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
2111		2565
2112	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
2113		2581
2114	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
2115	# with dialog boxes.	2583	# with dialog boxes.
2116	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
2117	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
2124		2592
2125	} else {	2593	} else {
2126	my $pl = $self->contr;	2594	my $pl = $self->contr;
2127		2595
2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2596	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2129	my $diag = $pl->{npc_dialog};	2597	my $dialog = $pl->{npc_dialog};
2130	$diag->{pl}->ext_reply (	2598	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2131	$diag->{id},
2132	msgtype => "reply",
2133	msg => $diag->{pl}->expand_cfpod ($msg),
2134	add_topics => []
2135	);
2136		2599
2137	} else {	2600	} else {
2138	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
2139	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2140	}	2603	}
2141	}	2604	}
		2605	}
		2606
		2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2608
		2609	=cut
		2610
		2611	sub cf::object::send_msg {
		2612	my $pl = shift->contr
		2613	or return;
		2614	$pl->send_msg (@_);
2142	}	2615	}
2143		2616
2144	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
2145		2618
2146	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
2159		2632
2160	=item $player_object->enter_link	2633	=item $player_object->enter_link
2161		2634
2162	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
2163		2636
2164	The player should be reasonably safe there for short amounts of time. You	2637	The player should be reasonably safe there for short amounts of time (e.g.
2165	I<MUST> call C<leave_link> as soon as possible, though.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
2166		2641
2167	Will never block.	2642	Will never block.
2168		2643
2169	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
2170		2645
…		…
2190	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
2191	my ($self) = @_;	2666	my ($self) = @_;
2192		2667
2193	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
2194		2669
		2670	++$self->{_link_recursion};
		2671
2195	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
2196		2673
2197	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2198	if $self->map && $self->map->{path} ne "{link}";	2675	if $self->map && $self->map->{path} ne "{link}";
2199		2676
2200	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2201	}	2678	}
2202		2679
2203	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
2204	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
2205		2682
…		…
2222	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
2223	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
2224		2701
2225	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
2226	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
2227	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
2228		2705
2229	$map->load;	2706	$map->load;
2230	$map->load_diag;	2707	$map->load_neighbours;
2231		2708
2232	return unless $self->contr->active;	2709	return unless $self->contr->active;
2233	$self->activate_recursive;
2234		2710
2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2236	$self->enter_map ($map, $x, $y);	2712	if ($self->enter_map ($map, $x, $y)) {
2237	}	2713	# entering was successful
		2714	delete $self->{_link_recursion};
		2715	# only activate afterwards, to support waiting in hooks
		2716	$self->activate_recursive;
		2717	}
2238		2718
		2719	}
		2720
2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2240		2722
2241	Moves the player to the given map-path and coordinates by first freezing	2723	Moves the player to the given map-path and coordinates by first freezing
2242	her, loading and preparing them map, calling the provided $check callback	2724	her, loading and preparing them map, calling the provided $check callback
2243	that has to return the map if sucecssful, and then unfreezes the player on	2725	that has to return the map if sucecssful, and then unfreezes the player on
2244	the new (success) or old (failed) map position.	2726	the new (success) or old (failed) map position. In either case, $done will
		2727	be called at the end of this process.
		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
2245		2731
2246	=cut	2732	=cut
2247		2733
2248	our $GOTOGEN;	2734	our $GOTOGEN;
2249		2735
2250	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
2251	my ($self, $path, $x, $y, $check) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
2252		2744
2253	# do generation counting so two concurrent goto's will be executed in-order	2745	# do generation counting so two concurrent goto's will be executed in-order
2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2255		2747
2256	$self->enter_link;	2748	$self->enter_link;
2257		2749
2258	(async {	2750	(async {
		2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
2259	my $map = eval {	2772	my $map = eval {
2260	my $map = cf::map::find $path;	2773	my $map = defined $path ? cf::map::find $path : undef;
2261		2774
2262	if ($map) {	2775	if ($map) {
2263	$map = $map->customise_for ($self);	2776	$map = $map->customise_for ($self);
2264	$map = $check->($map) if $check && $map;	2777	$map = $check->($map, $x, $y, $self) if $check && $map;
2265	} else {	2778	} else {
2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2267	}	2780	}
2268		2781
2269	$map	2782	$map
2270	};	2783	};
2271		2784
…		…
2276		2789
2277	if ($gen == $self->{_goto_generation}) {	2790	if ($gen == $self->{_goto_generation}) {
2278	delete $self->{_goto_generation};	2791	delete $self->{_goto_generation};
2279	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
2280	}	2793	}
		2794
		2795	$done->($self) if $done;
2281	})->prio (1);	2796	})->prio (1);
2282	}	2797	}
2283		2798
2284	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
2285		2800
…		…
2305	}	2820	}
2306		2821
2307	sub prepare_random_map {	2822	sub prepare_random_map {
2308	my ($exit) = @_;	2823	my ($exit) = @_;
2309		2824
2310	my $guard = cf::lock_acquire "exit_prepare:$exit";
2311
2312	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
2313	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
2314	# that depends on the exit object	2827	# that depends on the exit object
2315		2828
2316	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
…		…
2318	if ($exit->map) {	2831	if ($exit->map) {
2319	$rmp->{region} = $exit->region->name;	2832	$rmp->{region} = $exit->region->name;
2320	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
2321	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
2322	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
2323	}	2838	}
2324		2839
2325	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
2326		2841
2327	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2328	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
2329	my $meta = "$RANDOMDIR/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
2330		2845
2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2332	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
2333	undef $fh;	2848	undef $fh;
2334	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
2335		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
2336	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
2337	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
2338	}	2857	}
2339	}	2858	}
2340		2859
2341	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
2342	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
2343		2862
2344	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
2345		2864
2346	if ($exit->slaying eq "/!") {
2347	#TODO: this should de-fi-ni-te-ly not be a sync-job
2348	# the problem is that $exit might not survive long enough
2349	# so it needs to be done right now, right here
2350	cf::sync_job { prepare_random_map $exit };
2351	}
2352
2353	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2354	my $hp = $exit->stats->hp;
2355	my $sp = $exit->stats->sp;
2356
2357	$self->enter_link;	2865	$self->enter_link;
2358		2866
2359	(async {	2867	(async {
2360	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
2361	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
		2877	prepare_random_map $exit
		2878	if $exit->slaying eq "/!";
		2879	}
		2880
		2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
		2884
2362	$self->goto ($slaying, $hp, $sp);	2885	$self->goto ($map, $x, $y);
2363		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
2364	1;	2891	1
2365	}) {	2892	}) {
2366	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
2367	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
2368	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
2369	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
2370		2897
2371	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
2372	$self->leave_link;	2899	$self->leave_link;
2373	}	2900	}
2374	})->prio (1);	2901	})->prio (1);
2375	}	2902	}
2376		2903
…		…
2390		2917
2391	utf8::encode $text;	2918	utf8::encode $text;
2392	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2393	}	2920	}
2394		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
		2945	}
		2946
2395	=item $client->send_msg ($color, $type, $msg, [extra...])	2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
2396		2948
2397	Send a drawinfo or msg packet to the client, formatting the msg for the	2949	Send a drawinfo or msg packet to the client, formatting the msg for the
2398	client if neccessary. C<$type> should be a string identifying the type of	2950	client if neccessary. C<$type> should be a string identifying the type of
2399	the message, with C<log> being the default. If C<$color> is negative, suppress	2951	the message, with C<log> being the default. If C<$color> is negative, suppress
2400	the message unless the client supports the msg packet.	2952	the message unless the client supports the msg packet.
2401		2953
2402	=cut	2954	=cut
2403		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
2404	sub cf::client::send_msg {	3070	sub cf::client::send_msg {
2405	my ($self, $color, $type, $msg, @extra) = @_;	3071	my ($self, $channel, $msg, $color, @extra) = @_;
2406		3072
2407	$msg = $self->pl->expand_cfpod ($msg);	3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
2408		3075
2409	if ($self->can_msg) {	3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2411	} else {
2412	# replace some tags by gcfclient-compatible ones
2413	for ($msg) {
2414	1 while
2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2420	}
2421		3077
2422	if ($color >= 0) {	3078	# check predefined channels, for the benefit of C
2423	if (0 && $msg =~ /\[/) {	3079	if ($CHANNEL{$channel}) {
2424	$self->send_packet ("drawextinfo $color 4 0 $msg")	3080	$channel = $CHANNEL{$channel};
2425	} else {	3081
2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3082	$self->ext_msg (channel_info => $channel);
2427	$self->send_packet ("drawinfo $color $msg")	3083	$channel = $channel->{id};
		3084
		3085	} elsif (ref $channel) {
		3086	# send meta info to client, if not yet sent
		3087	unless (exists $self->{channel}{$channel->{id}}) {
		3088	$self->{channel}{$channel->{id}} = $channel;
		3089	$self->ext_msg (channel_info => $channel);
2428	}	3090	}
2429	}
2430	}
2431	}
2432		3091
		3092	$channel = $channel->{id};
		3093	}
		3094
		3095	return unless @extra || length $msg;
		3096
		3097	# default colour, mask it out
		3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3099	if $color & cf::NDI_DEF;
		3100
		3101	my $pkt = "msg "
		3102	. $self->{json_coder}->encode (
		3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3104	);
		3105
		3106	$self->send_big_packet ($pkt);
		3107	}
		3108
2433	=item $client->ext_event ($type, %msg)	3109	=item $client->ext_msg ($type, @msg)
2434		3110
2435	Sends an ext event to the client.	3111	Sends an ext event to the client.
2436		3112
2437	=cut	3113	=cut
2438		3114
2439	sub cf::client::ext_event($$%) {	3115	sub cf::client::ext_msg($$@) {
2440	my ($self, $type, %msg) = @_;	3116	my ($self, $type, @msg) = @_;
2441		3117
		3118	if ($self->extcmd == 2) {
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
2442	$msg{msgtype} = "event_$type";	3121	push @msg, msgtype => "event_$type";
2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3141	}
2444	}	3142	}
2445		3143
2446	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
2447		3145
2448	Queues a query to the client, calling the given callback with	3146	Queues a query to the client, calling the given callback with
…		…
2503	my ($ns, $buf) = @_;	3201	my ($ns, $buf) = @_;
2504		3202
2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3203	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2506		3204
2507	if (ref $msg) {	3205	if (ref $msg) {
		3206	my ($type, $reply, @payload) =
		3207	"ARRAY" eq ref $msg
		3208	? @$msg
		3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3210
		3211	my @reply;
		3212
2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3213	if (my $cb = $EXTICMD{$type}) {
2509	if (my %reply = $cb->($ns, $msg)) {	3214	@reply = $cb->($ns, @payload);
2510	$reply{msgid} = $msg->{msgid};
2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2512	}
2513	}	3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
2514	} else {	3220	} else {
2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2516	}	3222	}
2517		3223
2518	cf::override;	3224	cf::override;
2519	},	3225	},
2520	);	3226	);
…		…
2540		3246
2541	$coro	3247	$coro
2542	}	3248	}
2543		3249
2544	cf::client->attach (	3250	cf::client->attach (
2545	on_destroy => sub {	3251	on_client_destroy => sub {
2546	my ($ns) = @_;	3252	my ($ns) = @_;
2547		3253
2548	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2549	},	3255	},
2550	);	3256	);
…		…
2565	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2566	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2567		3273
2568	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2569		3275
2570	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3276	$safe->permit_only (Opcode::opset qw(
		3277	:base_core :base_mem :base_orig :base_math :base_loop
		3278	grepstart grepwhile mapstart mapwhile
		3279	sort time
		3280	));
2571		3281
2572	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2573		3283
2574	=pod	3284	=pod
2575		3285
2576	The following functions and methods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2577		3287
2578	cf::object contr pay_amount pay_player map	3288	cf::object
		3289	contr pay_amount pay_player map x y force_find force_add destroy
		3290	insert remove name archname title slaying race decrease split
		3291	value
		3292
2579	cf::object::player player	3293	cf::object::player
2580	cf::player peaceful	3294	player
2581	cf::map trigger	3295
		3296	cf::player
		3297	peaceful
		3298
		3299	cf::map
		3300	trigger
2582		3301
2583	=cut	3302	=cut
2584		3303
2585	for (	3304	for (
2586	["cf::object" => qw(contr pay_amount pay_player map)],	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2587	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2588	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2589	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2590	) {	3311	) {
2591	no strict 'refs';
2592	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2593	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2594	for @funs;	3314	for @funs;
2595	}	3315	}
2596		3316
…		…
2611		3331
2612	my $qcode = $code;	3332	my $qcode = $code;
2613	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2614	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2615		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2616	local $_;	3339	local $_;
2617	local @safe::cf::_safe_eval_args = values %vars;
2618		3340
2619	my $eval =	3341	my $eval =
2620	"do {\n"	3342	"do {\n"
2621	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2622	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2623	. $code	3345	. $code
2624	. "\n}"	3346	. "\n}"
2625	;	3347	;
2626		3348
		3349	if ($CFG{safe_eval}) {
2627	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2628	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2629	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2630		3358
2631	if ($@) {	3359	if ($@) {
2632	warn "$@";	3360	warn "$@",
2633	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2634	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2635	}	3363	}
2636		3364
2637	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2638	}	3366	}
2639		3367
…		…
2653	=cut	3381	=cut
2654		3382
2655	sub register_script_function {	3383	sub register_script_function {
2656	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2657		3385
2658	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2659	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2660	}	3388	}
2661		3389
2662	=back	3390	=back
2663		3391
2664	=cut	3392	=cut
…		…
2667	# the server's init and main functions	3395	# the server's init and main functions
2668		3396
2669	sub load_facedata($) {	3397	sub load_facedata($) {
2670	my ($path) = @_;	3398	my ($path) = @_;
2671		3399
		3400	# HACK to clear player env face cache, we need some signal framework
		3401	# for this (global event?)
		3402	%ext::player_env::MUSIC_FACE_CACHE = ();
		3403
		3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3405
2672	warn "loading facedata from $path\n";	3406	trace "loading facedata from $path\n";
2673		3407
2674	my $facedata;
2675	0 < aio_load $path, $facedata	3408	0 < aio_load $path, my $facedata
2676	or die "$path: $!";	3409	or die "$path: $!";
2677		3410
2678	$facedata = Coro::Storable::thaw $facedata;	3411	$facedata = Coro::Storable::thaw $facedata;
2679		3412
2680	$facedata->{version} == 2	3413	$facedata->{version} == 2
2681	or cf::cleanup "$path: version mismatch, cannot proceed.";	3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2682		3415
		3416	# patch in the exptable
		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3418	$facedata->{resource}{"res/exp_table"} = {
		3419	type => FT_RSRC,
		3420	data => $exp_table,
		3421	hash => (Digest::MD5::md5 $exp_table),
		3422	};
		3423	cf::cede_to_tick;
		3424
2683	{	3425	{
2684	my $faces = $facedata->{faceinfo};	3426	my $faces = $facedata->{faceinfo};
2685		3427
2686	while (my ($face, $info) = each %$faces) {	3428	while (my ($face, $info) = each %$faces) {
2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3430
2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3431	cf::face::set_visibility $idx, $info->{visibility};
		3432	cf::face::set_magicmap $idx, $info->{magicmap};
2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2691	Coro::cede;	3435
		3436	cf::cede_to_tick;
2692	}	3437	}
2693		3438
2694	while (my ($face, $info) = each %$faces) {	3439	while (my ($face, $info) = each %$faces) {
2695	next unless $info->{smooth};	3440	next unless $info->{smooth};
		3441
2696	my $idx = cf::face::find $face	3442	my $idx = cf::face::find $face
2697	or next;	3443	or next;
		3444
2698	if (my $smooth = cf::face::find $info->{smooth}) {	3445	if (my $smooth = cf::face::find $info->{smooth}) {
		3446	cf::face::set_smooth $idx, $smooth;
2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2700	} else {	3448	} else {
2701	warn "smooth face '$info->{smooth}' not found for face '$face'";	3449	error "smooth face '$info->{smooth}' not found for face '$face'";
2702	}	3450	}
2703	Coro::cede;	3451
		3452	cf::cede_to_tick;
2704	}	3453	}
2705	}	3454	}
2706		3455
2707	{	3456	{
2708	my $anims = $facedata->{animinfo};	3457	my $anims = $facedata->{animinfo};
2709		3458
2710	while (my ($anim, $info) = each %$anims) {	3459	while (my ($anim, $info) = each %$anims) {
2711	cf::anim::set $anim, $info->{frames}, $info->{facings};	3460	cf::anim::set $anim, $info->{frames}, $info->{facings};
2712	Coro::cede;	3461	cf::cede_to_tick;
2713	}	3462	}
2714		3463
2715	cf::anim::invalidate_all; # d'oh	3464	cf::anim::invalidate_all; # d'oh
2716	}	3465	}
2717		3466
		3467	{
		3468	my $res = $facedata->{resource};
		3469
		3470	while (my ($name, $info) = each %$res) {
		3471	if (defined $info->{type}) {
		3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3473
		3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3475	cf::face::set_type $idx, $info->{type};
		3476	} else {
		3477	$RESOURCE{$name} = $info; # unused
		3478	}
		3479
		3480	cf::cede_to_tick;
		3481	}
		3482	}
		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
2718	1	3486	1
2719	}	3487	}
2720		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($ns, $want) = @_;
		3491
		3492	while (my ($k, $v) = each %$want) {
		3493	$ns->fx_want ($k, $v);
		3494	}
		3495	};
		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
2721	sub reload_regions {	3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
2722	load_resource_file "$MAPDIR/regions"	3512	load_resource_file "$MAPDIR/regions"
2723	or die "unable to load regions file\n";	3513	or die "unable to load regions file\n";
		3514
		3515	for (cf::region::list) {
		3516	$_->{match} = qr/$_->{match}/
		3517	if exists $_->{match};
		3518	}
2724	}	3519	}
2725		3520
2726	sub reload_facedata {	3521	sub reload_facedata {
2727	load_facedata "$DATADIR/facedata"	3522	load_facedata "$DATADIR/facedata"
2728	or die "unable to load facedata\n";	3523	or die "unable to load facedata\n";
2729	}	3524	}
2730		3525
2731	sub reload_archetypes {	3526	sub reload_archetypes {
2732	load_resource_file "$DATADIR/archetypes"	3527	load_resource_file "$DATADIR/archetypes"
2733	or die "unable to load archetypes\n";	3528	or die "unable to load archetypes\n";
2734	#d# NEED to laod twice to resolve forward references
2735	# this really needs to be done in an extra post-pass
2736	# (which needs to be synchronous, so solve it differently)
2737	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";
2739	}	3529	}
2740		3530
2741	sub reload_treasures {	3531	sub reload_treasures {
2742	load_resource_file "$DATADIR/treasures"	3532	load_resource_file "$DATADIR/treasures"
2743	or die "unable to load treasurelists\n";	3533	or die "unable to load treasurelists\n";
2744	}	3534	}
2745		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
2746	sub reload_resources {	3559	sub reload_resources {
2747	warn "reloading resource files...\n";	3560	trace "reloading resource files...\n";
2748		3561
		3562	reload_exp_table;
		3563	reload_materials;
		3564	reload_facedata;
		3565	reload_sound;
		3566	reload_archetypes;
2749	reload_regions;	3567	reload_regions;
2750	reload_facedata;
2751	#reload_archetypes;#d#
2752	reload_archetypes;
2753	reload_treasures;	3568	reload_treasures;
2754		3569
2755	warn "finished reloading resource files\n";	3570	trace "finished reloading resource files\n";
2756	}	3571	}
2757		3572
2758	sub init {	3573	sub reload_config {
2759	reload_resources;	3574	trace "reloading config file...\n";
2760	}
2761		3575
2762	sub cfg_load {	3576	0 < aio_load "$CONFDIR/config", my $config
2763	open my $fh, "<:utf8", "$CONFDIR/config"	3577	or die "$CONFDIR/config: $!";
2764	or return;
2765		3578
2766	local $/;	3579	utf8::decode $config;
2767	*CFG = YAML::Syck::Load <$fh>;	3580	*CFG = yaml_load $config;
2768		3581
2769	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2770		3583
2771	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2772	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2773		3586
2774	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2778	};	3591	};
2779	warn $@ if $@;	3592	warn $@ if $@;
2780	}	3593	}
2781	}	3594	}
2782		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
2783	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
2784	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2785	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2786	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2787	(async {	3637	(async {
2788	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
2789	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
2790	};	3641	};
2791		3642
2792	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
		3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
2793	db_init;	3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
2794	load_extensions;	3666	load_extensions;
2795		3667
2796	$TICK_WATCHER->start;	3668	utime time, time, $RUNTIMEFILE;
2797	Event::loop;	3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
2798	}	3686	}
2799		3687
2800	#############################################################################	3688	#############################################################################
2801	# initialisation and cleanup	3689	# initialisation and cleanup
2802		3690
2803	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2804	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2805	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2806	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2807	reentrant => 0,
2808	data => WF_AUTOCANCEL,
2809	signal => $signal,
2810	prio => 0,
2811	cb => sub {
2812	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
2813	},
2814	);	3697	};
2815	}	3698	}
2816	}	3699	}
2817		3700
2818	sub write_runtime {	3701	sub write_runtime_sync {
2819	my $runtime = "$LOCALDIR/runtime";	3702	my $t0 = AE::time;
2820		3703
2821	# first touch the runtime file to show we are still running:	3704	# first touch the runtime file to show we are still running:
2822	# the fsync below can take a very very long time.	3705	# the fsync below can take a very very long time.
2823		3706
2824	IO::AIO::aio_utime $runtime, undef, undef;	3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2825		3708
2826	my $guard = cf::lock_acquire "write_runtime";	3709	my $guard = cf::lock_acquire "write_runtime";
2827		3710
2828	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2829	or return;	3712	or return;
2830		3713
2831	my $value = $cf::RUNTIME + 90 + 10;	3714	my $value = $cf::RUNTIME + 90 + 10;
2832	# 10 is the runtime save interval, for a monotonic clock	3715	# 10 is the runtime save interval, for a monotonic clock
2833	# 60 allows for the watchdog to kill the server.	3716	# 60 allows for the watchdog to kill the server.
…		…
2843	aio_utime $fh, undef, undef;	3726	aio_utime $fh, undef, undef;
2844		3727
2845	close $fh	3728	close $fh
2846	or return;	3729	or return;
2847		3730
2848	aio_rename "$runtime~", $runtime	3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2849	and return;	3732	and return;
2850		3733
2851	warn "runtime file written.\n";	3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2852		3735
2853	1	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
2854	}	3787	}
2855		3788
2856	sub emergency_save() {	3789	sub emergency_save() {
2857	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2858		3791
2859	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
2860		3798
2861	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2862	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2863	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2864	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2865	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2866	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2867	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2868	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2869	$pl->save;	3810	$pl->save;
2870	}	3811	}
2871	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2872		3813
2873	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
2874	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2875	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2876	$map->valid or next;	3819	$map->valid or next;
2877	$map->save;	3820	$map->save;
2878	}	3821	}
2879	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
2880		3823
2881	warn "begin emergency database checkpoint\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
2882	BDB::db_env_txn_checkpoint $DB_ENV;	3827	BDB::db_env_txn_checkpoint $DB_ENV;
2883	warn "end emergency database checkpoint\n";	3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2884	};	3852	};
2885		3853
2886	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2887	}	3855	}
2888		3856
2889	sub post_cleanup {	3857	sub post_cleanup {
2890	my ($make_core) = @_;	3858	my ($make_core) = @_;
2891		3859
		3860	IO::AIO::flush;
		3861
2892	warn Carp::longmess "post_cleanup backtrace"	3862	error Carp::longmess "post_cleanup backtrace"
2893	if $make_core;	3863	if $make_core;
		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
2894	}	3892	}
2895		3893
2896	sub do_reload_perl() {	3894	sub do_reload_perl() {
2897	# can/must only be called in main	3895	# can/must only be called in main
2898	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2899	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
2900	return;	3898	return;
2901	}	3899	}
2902		3900
2903	warn "reloading...";	3901	return if $RELOAD++;
2904		3902
2905	warn "entering sync_job";	3903	my $t1 = AE::time;
2906		3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
2907	cf::sync_job {	3911	cf::sync_job {
2908	cf::write_runtime; # external watchdog should not bark
2909	cf::emergency_save;	3912	#cf::emergency_save;
2910	cf::write_runtime; # external watchdog should not bark
2911		3913
2912	warn "syncing database to disk";
2913	BDB::db_env_txn_checkpoint $DB_ENV;
2914
2915	# if anything goes wrong in here, we should simply crash as we already saved
2916
2917	warn "cancelling all WF_AUTOCANCEL watchers";
2918	for (Event::all_watchers) {
2919	$_->cancel if $_->data & WF_AUTOCANCEL;
2920	}
2921
2922	warn "flushing outstanding aio requests";
2923	for (;;) {
2924	BDB::flush;
2925	IO::AIO::flush;
2926	Coro::cede;
2927	last unless IO::AIO::nreqs || BDB::nreqs;
2928	warn "iterate...";
2929	}
2930
2931	++$RELOAD;
2932
2933	warn "cancelling all extension coros";	3914	trace "perl_reload: cancelling all extension coros";
2934	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
2935	%EXT_CORO = ();	3916	%EXT_CORO = ();
2936		3917
2937	warn "removing commands";	3918	trace "perl_reload: removing commands";
2938	%COMMAND = ();	3919	%COMMAND = ();
2939		3920
2940	warn "removing ext/exti commands";	3921	trace "perl_reload: removing ext/exti commands";
2941	%EXTCMD = ();	3922	%EXTCMD = ();
2942	%EXTICMD = ();	3923	%EXTICMD = ();
2943		3924
2944	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
2945	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
2946	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
2947		3928
2948	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
2949	eval {	3930	eval {
2950	$cb->($pkg);	3931	$cb->($pkg);
2951	1	3932	1
2952	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
2953	}	3938	}
2954		3939
2955	warn "... nuking $pkg";
2956	Symbol::delete_package $pkg;
2957	}
2958
2959	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2960	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
2961	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2962		3943
2963	warn "... unloading $k";	3944	trace "... unloading $k";
2964	delete $INC{$k};	3945	delete $INC{$k};
2965		3946
2966	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
2967	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
2968		3949
2969	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
2970	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
2971	}	3955	}
2972		3956
2973	Symbol::delete_package $k;
2974	}
2975
2976	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
2977	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
2978	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2979		3960
2980	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
2981	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
2982	delete $INC{"cf/pod.pm"};	3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2983		3964
2984	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
2985	# and global variables created in xs	3966	# and global variables created in xs
2986	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
2987		3968
2988	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
2989		3970
2990	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
2991	require cf;	3972	require cf;
2992	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
2993		3974
2994	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
2995	cf::cfg_load;	3976	cf::reload_config;
2996		3977
2997	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
2998	cf::load_extensions;	3979	cf::load_extensions;
2999		3980
		3981	if ($REATTACH_ON_RELOAD) {
3000	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
3001	_global_reattach; # objects, sockets	3983	_global_reattach; # objects, sockets
3002	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
3003	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
3004	warn "reattaching attachments to players";	3986	trace "perl_reload: reattaching attachments to players";
3005	reattach $_ for values %PLAYER;	3987	reattach $_ for values %PLAYER;
		3988	}
3006		3989
3007	warn "leaving sync_job";	3990	cf::_post_init 1;
3008		3991
		3992	trace "perl_reload: leaving sync_job";
		3993
3009	1	3994	1
3010	} or do {	3995	} or do {
3011	warn $@;	3996	error $@;
3012	warn "error while reloading, exiting.";	3997	cf::cleanup "perl_reload: error, exiting.";
3013	exit 1;	3998	};
		3999
		4000	--$RELOAD;
3014	};	4001	}
3015		4002
3016	warn "reloaded";	4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
3017	};	4005	};
3018		4006
3019	our $RELOAD_WATCHER; # used only during reload	4007	our $RELOAD_WATCHER; # used only during reload
3020		4008
3021	sub reload_perl() {	4009	sub reload_perl() {
3022	# doing reload synchronously and two reloads happen back-to-back,	4010	# doing reload synchronously and two reloads happen back-to-back,
3023	# coro crashes during coro_state_free->destroy here.	4011	# coro crashes during coro_state_free->destroy here.
3024		4012
3025	$RELOAD_WATCHER ||= Event->timer (	4013	$RELOAD_WATCHER ||= cf::async {
3026	reentrant => 0,	4014	Coro::AIO::aio_wait cache_extensions;
3027	after => 0,	4015
3028	data => WF_AUTOCANCEL,	4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3029	cb => sub {
3030	do_reload_perl;	4017	do_reload_perl;
3031	undef $RELOAD_WATCHER;	4018	undef $RELOAD_WATCHER;
3032	},	4019	};
3033	);	4020	};
3034	}	4021	}
3035		4022
3036	register_command "reload" => sub {	4023	register_command "reload" => sub {
3037	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
3038		4025
3039	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
3040	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
		4028	async {
		4029	$Coro::current->{desc} = "perl_reload";
3041	async { reload_perl };	4030	reload_perl;
		4031	};
3042	}	4032	}
3043	};	4033	};
3044		4034
3045	unshift @INC, $LIBDIR;	4035	#############################################################################
3046		4036
3047	my $bug_warning = 0;	4037	my $bug_warning = 0;
3048		4038
3049	our @WAIT_FOR_TICK;	4039	our @WAIT_FOR_TICK;
3050	our @WAIT_FOR_TICK_BEGIN;	4040	our @WAIT_FOR_TICK_BEGIN;
3051		4041
3052	sub wait_for_tick {	4042	sub wait_for_tick() {
3053	return unless $TICK_WATCHER->is_active;
3054	return if $Coro::current == $Coro::main;	4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3055		4044
3056	my $signal = new Coro::Signal;	4045	my $signal = new Coro::Signal;
3057	push @WAIT_FOR_TICK, $signal;	4046	push @WAIT_FOR_TICK, $signal;
3058	$signal->wait;	4047	$signal->wait;
3059	}	4048	}
3060		4049
3061	sub wait_for_tick_begin {	4050	sub wait_for_tick_begin() {
3062	return unless $TICK_WATCHER->is_active;
3063	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3064		4052
3065	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
3066	push @WAIT_FOR_TICK_BEGIN, $signal;	4054	push @WAIT_FOR_TICK_BEGIN, $signal;
3067	$signal->wait;	4055	$signal->wait;
3068	}	4056	}
3069		4057
3070	my $min = 1e6;#d#	4058	sub tick {
3071	my $avg = 10;
3072	$TICK_WATCHER = Event->timer (
3073	reentrant => 0,
3074	parked => 1,
3075	prio => 0,
3076	at => $NEXT_TICK || $TICK,
3077	data => WF_AUTOCANCEL,
3078	cb => sub {
3079	if ($Coro::current != $Coro::main) {	4059	if ($Coro::current != $Coro::main) {
3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3081	unless ++$bug_warning > 10;	4061	unless ++$bug_warning > 10;
3082	return;	4062	return;
3083	}	4063	}
3084		4064
3085	$NOW = $tick_start = Event::time;
3086
3087	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
3088		4066
3089	0 && sync_job {#d#	4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3090	for(1..10) {
3091	my $t = Event::time;
3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3093	or die;
3094		4068
3095	$map->width (50);	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3096	$map->height (50);	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3097	$map->alloc;	4071	Coro::async_pool {
3098	$map->_load_objects ("/tmp/x.map", 1);	4072	$Coro::current->{desc} = "runtime saver";
3099	my $t = Event::time - $t;	4073	write_runtime_sync
3100		4074	or error "ERROR: unable to write runtime file: $!";
3101	#next unless $t < 0.0013;#d#
3102	if ($t < $min) {
3103	$min = $t;
3104	}
3105	$avg = $avg * 0.99 + $t * 0.01;
3106	}
3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3108	exit 0;
3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3110	};	4075	};
		4076	}
3111		4077
3112	$RUNTIME += $TICK;
3113	$NEXT_TICK += $TICK;
3114
3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
3117	Coro::async_pool {
3118	write_runtime
3119	or warn "ERROR: unable to write runtime file: $!";
3120	};
3121	}
3122
3123	# my $AFTER = Event::time;
3124	# warn $AFTER - $NOW;#d#
3125
3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3127	$sig->send;	4079	$sig->send;
3128	}	4080	}
3129	while (my $sig = shift @WAIT_FOR_TICK) {	4081	while (my $sig = shift @WAIT_FOR_TICK) {
3130	$sig->send;	4082	$sig->send;
3131	}	4083	}
3132		4084
3133	$NOW = Event::time;	4085	$LOAD = ($NOW - $TICK_START) / $TICK;
3134
3135	# if we are delayed by four ticks or more, skip them all
3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3137
3138	$TICK_WATCHER->at ($NEXT_TICK);
3139	$TICK_WATCHER->start;
3140
3141	$LOAD = ($NOW - $tick_start) / $TICK;
3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3143		4087
3144	_post_tick;	4088	if (0) {
3145		4089	if ($NEXT_TICK) {
3146		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
		4093	}
3147	},	4094	}
3148	);	4095	}
3149		4096
3150	{	4097	{
3151	BDB::max_poll_time $TICK * 0.1;	4098	# configure BDB
3152	$BDB_POLL_WATCHER = Event->io (	4099
3153	reentrant => 0,
3154	fd => BDB::poll_fileno,
3155	poll => 'r',
3156	prio => 0,
3157	data => WF_AUTOCANCEL,
3158	cb => \&BDB::poll_cb,
3159	);
3160	BDB::min_parallel 8;	4100	BDB::min_parallel 16;
3161		4101	BDB::max_poll_reqs $TICK * 0.1;
3162	BDB::set_sync_prepare {	4102	$AnyEvent::BDB::WATCHER->priority (1);
3163	my $status;
3164	my $current = $Coro::current;
3165	(
3166	sub {
3167	$status = $!;
3168	$current->ready; undef $current;
3169	},
3170	sub {
3171	Coro::schedule while defined $current;
3172	$! = $status;
3173	},
3174	)
3175	};
3176		4103
3177	unless ($DB_ENV) {	4104	unless ($DB_ENV) {
3178	$DB_ENV = BDB::db_env_create;	4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3179		4111
3180	cf::sync_job {	4112	cf::sync_job {
3181	eval {	4113	eval {
3182	BDB::db_env_open	4114	BDB::db_env_open
3183	$DB_ENV,	4115	$DB_ENV,
…		…
3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3187	0666;	4119	0666;
3188		4120
3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3190
3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3192	$DB_ENV->set_lk_detect;
3193	};	4122	};
3194		4123
3195	cf::cleanup "db_env_open(db): $@" if $@;	4124	cf::cleanup "db_env_open(db): $@" if $@;
3196	};	4125	};
3197	}	4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
3198	}	4137	}
3199		4138
3200	{	4139	{
		4140	# configure IO::AIO
		4141
3201	IO::AIO::min_parallel 8;	4142	IO::AIO::min_parallel 8;
3202
3203	undef $Coro::AIO::WATCHER;
3204	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
3205	$AIO_POLL_WATCHER = Event->io (	4144	undef $AnyEvent::AIO::WATCHER;
3206	reentrant => 0,
3207	data => WF_AUTOCANCEL,
3208	fd => IO::AIO::poll_fileno,
3209	poll => 'r',
3210	prio => 6,
3211	cb => \&IO::AIO::poll_cb,
3212	);
3213	}	4145	}
3214		4146
3215	my $_log_backtrace;	4147	our $_log_backtrace;
		4148	our $_log_backtrace_last;
3216		4149
3217	sub _log_backtrace {	4150	sub _log_backtrace {
3218	my ($msg, @addr) = @_;	4151	my ($msg, @addr) = @_;
3219		4152
3220	$msg =~ s/\n//;	4153	$msg =~ s/\n$//;
3221		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3222	# limit the # of concurrent backtraces	4158	# limit the # of concurrent backtraces
3223	if ($_log_backtrace < 2) {	4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
3224	++$_log_backtrace;	4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
3225	async {	4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
3226	my @bt = fork_call {	4166	my @bt = fork_call {
3227	@addr = map { sprintf "%x", $_ } @addr;	4167	@addr = map { sprintf "%x", $_ } @addr;
3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3230	or die "addr2line: $!";	4170	or die "addr2line: $!";
…		…
3238	}	4178	}
3239		4179
3240	@funcs	4180	@funcs
3241	};	4181	};
3242		4182
3243	LOG llevInfo, "[ABT] $msg\n";	4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3244	LOG llevInfo, "[ABT] $_\n" for @bt;	4185	LOG llevInfo, "[ABT] $_\n" for @bt;
3245	--$_log_backtrace;	4186	--$_log_backtrace;
3246	};	4187	};
3247	} else {	4188	} else {
3248	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $msg\n";
3249	LOG llevInfo, "[ABT] [suppressed]\n";	4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3250	}	4191	}
3251	}	4192	}
3252		4193
3253	# load additional modules	4194	# load additional modules
3254	use cf::pod;	4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
3255		4197
3256	END { cf::emergency_save }	4198	END { cf::emergency_save }
3257		4199
3258	1	4200	1
3259		4201

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