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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.553 by root, Tue May 18 21:30:16 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 : $res[-1]
426	warn "pst<$res>" unless $res =~ /^pst/;	643	}
427	$res = Coro::Storable::thaw $res;
428		644
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;
436	local $SIG{__WARN__};
437	local $SIG{__DIE__};
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442
443	my @res = eval { $cb->(@args) };
444
445	open my $fh, ">", \my $buf
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449
450	warn "writing ", length $buf;
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456
457	warn $@ if $@;
458	_exit 0;
459	}	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
460	}	681	}
461		682
462	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
463		684
464	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
467		688
468	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
469	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).
470		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
471	=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	}
472		718
473	our $DB;	719	our $DB;
474		720
475	sub db_init {	721	sub db_init {
476	unless ($DB) {	722	$DB ||= db_table "db";
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {
480	eval {
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}
490	}	723	}
491		724
492	sub db_get($$) {	725	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
494		727
495	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
496	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
497		732
498	$! ? ()	733	$! ? ()
499	: $data	734	: $data
500	}
501	}	735	}
502		736
503	sub db_put($$$) {	737	sub db_put($$$) {
504	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
544	if (1) {	778	if (1) {
545	$md5 =	779	$md5 =
546	join "\x00",	780	join "\x00",
547	$processversion,	781	$processversion,
548	map {	782	map {
549	Coro::cede;	783	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	785	} 0.. $#$src;
552		786
553		787
554	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
561		795
562	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
563	my $data = $process->(\@data);	797	my $data = $process->(\@data);
564	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
565		799
566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
567		801
568	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
569	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
570	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
571		805
…		…
581		815
582	=cut	816	=cut
583		817
584	sub datalog($@) {	818	sub datalog($@) {
585	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
586	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
587	}	821	}
588		822
589	=back	823	=back
590		824
591	=cut	825	=cut
592		826
593	#############################################################################	827	#############################################################################
594		828
595	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
596		830
597	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
598	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")
599	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
600		834
601	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>
602	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
603	Crossfire TRT).	837	Deliantra).
604		838
605	=over 4	839	=over 4
606		840
607	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
608		842
…		…
652	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
653		887
654	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
655	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
656		890
657	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
658	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
659		893
660	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
661		895
662	=over 4	896	=over 4
…		…
786		1020
787	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
788	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
789		1023
790	} elsif (ref $type) {	1024	} elsif (ref $type) {
791	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
792		1026
793	} else {	1027	} else {
794	shift @arg;	1028	shift @arg;
795	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
796	}	1030	}
797	}	1031	}
798	}	1032	}
799		1033
800	sub _object_attach {	1034	sub _object_attach {
…		…
810	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
811	}	1045	}
812		1046
813	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
814	} else {	1048	} else {
815	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
816	}	1050	}
817		1051
818	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
819	}	1053	}
820		1054
…		…
860	";	1094	";
861	die if $@;	1095	die if $@;
862	}	1096	}
863		1097
864	our $override;	1098	our $override;
865	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?
866		1100
867	sub override {	1101	sub override {
868	$override = 1;	1102	$override = 1;
869	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
870	}	1104	}
871		1105
872	sub do_invoke {	1106	sub do_invoke {
873	my $event = shift;	1107	my $event = shift;
874	my $callbacks = shift;	1108	my $callbacks = shift;
875		1109
876	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
877		1111
878	local $override;	1112	local $override;
879		1113
880	for (@$callbacks) {	1114	for (@$callbacks) {
881	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
882		1116
883	if ($@) {	1117	if ($@) {
884	warn "$@";
885	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
886	override;	1119	override;
887	}	1120	}
888		1121
889	return 1 if $override;	1122	return 1 if $override;
890	}	1123	}
891		1124
892	0	1125	0
893	}	1126	}
894		1127
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1129
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1131
899	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
900		1133
901	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
902	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
903	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1137
905	=back	1138	=back
906		1139
907	=cut	1140	=cut
908		1141
909	#############################################################################	1142	#############################################################################
910	# 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	}
911		1186
912	sub reattach {	1187	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1189	my ($obj) = @_;
915		1190
		1191	# no longer needed after getting rid of delete_package?
916	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
917		1193
918	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
919		1195
920	@$registry = ();	1196	@$registry = ();
921		1197
…		…
926	for (@$attach) {	1202	for (@$attach) {
927	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
928	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
929	}	1205	}
930	} else {	1206	} else {
931	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
932	}	1208	}
933	}	1209	}
934	}	1210	}
935		1211
936	cf::attachable->attach (	1212	cf::attachable->attach (
937	prio => -1000000,	1213	prio => -1000000,
938	on_instantiate => sub {	1214	on_instantiate => sub {
939	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
940		1216
941	$data = from_json $data;	1217	$data = decode_json $data;
942		1218
943	for (@$data) {	1219	for (@$data) {
944	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
945		1221
946	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1238	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
964		1240
965	sync_job {	1241	sync_job {
966	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
969		1247
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	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	}
974	close $fh;	1255	aio_close $fh;
975		1256
976	if (@$objs) {	1257	if (@$objs) {
977	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) {
978	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
981	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	}
982	close $fh;	1266	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
984	}	1268	}
985	} else {	1269	} else {
986	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
987	}	1271	}
988		1272
989	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1277	} else {
991	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
992	}	1279	}
993	} else {	1280	} else {
994	aio_unlink $filename;	1281	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
996	}	1283	}
997	}	1284	};
998	}	1285	}
999		1286
1000	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1002		1289
…		…
1014	or return;	1301	or return;
1015		1302
1016	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1305	or return;
		1306
1019	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1020	}	1309	}
1021		1310
		1311	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1024	return ($data, $av);	1316	($data, $av)
1025	}	1317	}
1026		1318
1027	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1028		1320
1029	=over 4	1321	=over 4
…		…
1083	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1084		1376
1085	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1086	}	1378	}
1087		1379
		1380	use File::Glob ();
		1381
1088	cf::player->attach (	1382	cf::player->attach (
1089	on_command => sub {	1383	on_unknown_command => sub {
1090	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1091		1385
1092	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1093	or return;	1387	or return;
1094		1388
…		…
1102	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1103		1397
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1399
1106	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
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1112	} else {	1415	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1417	}
1115		1418
1116	cf::override;	1419	cf::override;
1117	},	1420	},
1118	);	1421	);
1119		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
1120	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1121	cf::sync_job {	1439	cf::sync_job {
1122	my %todo;	1440	my %todo;
1123		1441
1124	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1125	next unless -r $path;	1443	next unless -r $path;
…		…
1143		1461
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1464
1147	$ext{source} =	1465	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1149	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1150	. $source	1468	. $source
1151	. "\n};\n1";	1469	. "\n};\n1";
1152		1470
1153	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1154	}	1472	}
1155		1473
		1474	my $pass = 0;
1156	my %done;	1475	my %done;
1157	while (%todo) {	1476	while (%todo) {
1158	my $progress;	1477	my $progress;
1159		1478
		1479	++$pass;
		1480
		1481	ext:
1160	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1161	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1162	goto skip	1484	next ext
1163	unless exists $done{$_};	1485	unless exists $done{$_};
1164	}	1486	}
1165		1487
1166	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1167		1489
1168	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1169	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1170	: "$v->{base}: extension inactive.\n";
1171		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1172	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1173	warn $msg;	1497
1174	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1175	exit 1;	1499	delete $todo{$k};
1176	}	1500	} else {
1177		1501	$done{$k} = delete $todo{$k};
1178	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1179	}	1507	}
1180
1181	$done{$k} = delete $todo{$k};
1182	push @EXTS, $v->{pkg};
1183	$progress = 1;
1184	}	1508	}
1185		1509
1186	skip:	1510	unless ($progress) {
1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1188	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	}
1189	}	1518	}
1190	};	1519	};
1191	}	1520	}
1192		1521
1193	#############################################################################	1522	#############################################################################
1194		1523
1195	=back	1524	=back
1196		1525
1197	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1198		1527
1199	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1200		1529
1201	=cut	1530	=cut
1202		1531
1203	package cf::player;	1532	package cf::player;
1204		1533
1205	use Coro::AIO;	1534	use Coro::AIO;
1206		1535
1207	=head3 cf::player	1536	=head3 cf::player
1208		1537
1209	=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	}
1210		1553
1211	=item cf::player::find $login	1554	=item cf::player::find $login
1212		1555
1213	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1214		1557
…		…
1233		1576
1234	sub exists($) {	1577	sub exists($) {
1235	my ($login) = @_;	1578	my ($login) = @_;
1236		1579
1237	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1239	}	1582	}
1240		1583
1241	sub find($) {	1584	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1586	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1597
1255	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1256	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;
1257	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1258	}	1607	}
1259	}	1608	}
1260	}	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	);
1261		1623
1262	sub save($) {	1624	sub save($) {
1263	my ($pl) = @_;	1625	my ($pl) = @_;
1264		1626
1265	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1270	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1271		1633
1272	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1274		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
1275	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1276	Coro::cede;	1643	cf::cede_to_tick;
1277	}	1644	}
1278		1645
1279	sub new($) {	1646	sub new($) {
1280	my ($login) = @_;	1647	my ($login) = @_;
1281		1648
…		…
1287	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1288		1655
1289	$self	1656	$self
1290	}	1657	}
1291		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
1292	=item $pl->quit_character	1669	=item $pl->quit_character
1293		1670
1294	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
1295	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1296		1673
…		…
1300	my ($pl) = @_;	1677	my ($pl) = @_;
1301		1678
1302	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1303		1680
1304	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1305	$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
1306		1683
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1308	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1310	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1311		1692
1312	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1314	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1349	or return [];	1730	or return [];
1350		1731
1351	my @logins;	1732	my @logins;
1352		1733
1353	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") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1357		1744
1358	utf8::decode $login;	1745	utf8::decode $login;
1359	push @logins, $login;	1746	push @logins, $login;
1360	}	1747	}
1361		1748
1362	\@logins	1749	\@logins
1363	}	1750	}
1364		1751
1365	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1366		1755
1367	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1368	player. May block.	1757	player. May block.
1369		1758
1370	=cut	1759	=cut
…		…
1388	}	1777	}
1389		1778
1390	\@paths	1779	\@paths
1391	}	1780	}
1392		1781
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1783
1395	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1396		1785
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1444		1787
1445	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1446		1789
1447	=cut	1790	=cut
1448		1791
1449	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1451		1794
1452	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1796	}
1455		1797
1456	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1457		1799
1458	Sends an ext event to the client.	1800	Sends an ext event to the client.
1459		1801
1460	=cut	1802	=cut
1461		1803
1462	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1464		1806
1465	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1466	}	1808	}
1467		1809
1468	=head3 cf::region	1810	=head3 cf::region
1469		1811
1470	=over 4	1812	=over 4
…		…
1480	=cut	1822	=cut
1481		1823
1482	sub find_by_path($) {	1824	sub find_by_path($) {
1483	my ($path) = @_;	1825	my ($path) = @_;
1484		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1485	my ($match, $specificity);	1829	my ($match, $specificity);
1486		1830
1487	for my $region (list) {	1831	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1491	}	1835	}
1492	}	1836	}
1493		1837
…		…
1514	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1516		1860
1517	sub generate_random_map {	1861	sub generate_random_map {
1518	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
1519	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1867	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1524	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1525	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1542		1889
1543	sub register {	1890	sub register {
1544	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1545	my $pkg = caller;	1892	my $pkg = caller;
1546		1893
1547	no strict;
1548	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1549		1895
1550	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1551	}	1897	}
1552		1898
1553	# also paths starting with '/'	1899	# also paths starting with '/'
1554	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1555		1901
1556	sub thawer_merge {	1902	sub thawer_merge {
1557	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1558		1904
1559	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1564	}	1910	}
1565		1911
1566	sub normalise {	1912	sub normalise {
1567	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1568		1914
1569	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1570		1916
1571	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1572		1918
1573	# map plan:	1919	# map plan:
1574	#	1920	#
…		…
1589	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1590	$path = "$base/$path";	1936	$path = "$base/$path";
1591	}	1937	}
1592		1938
1593	for ($path) {	1939	for ($path) {
1594	redo if s{//}{/};
1595	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1596	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1597	}	1942	}
1598		1943
1599	$path	1944	$path
…		…
1613	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1614	return $self;	1959	return $self;
1615	}	1960	}
1616	}	1961	}
1617		1962
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1619	()	1964	()
1620	}	1965	}
1621		1966
1622	sub init {	1967	sub init {
1623	my ($self) = @_;	1968	my ($self) = @_;
…		…
1645		1990
1646	# the temporary/swap location	1991	# the temporary/swap location
1647	sub save_path {	1992	sub save_path {
1648	my ($self) = @_;	1993	my ($self) = @_;
1649		1994
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1996	"$TMPDIR/$path.map"
1652	}	1997	}
1653		1998
1654	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1655	sub uniq_path {	2000	sub uniq_path {
1656	my ($self) = @_;	2001	my ($self) = @_;
1657		2002
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	2004	"$UNIQUEDIR/$path"
1660	}
1661
1662	# and all this just because we cannot iterate over
1663	# all maps in C++...
1664	sub change_all_map_light {
1665	my ($change) = @_;
1666
1667	$_->change_map_light ($change)
1668	for grep $_->outdoor, values %cf::MAP;
1669	}	2005	}
1670		2006
1671	sub decay_objects {	2007	sub decay_objects {
1672	my ($self) = @_;	2008	my ($self) = @_;
1673		2009
…		…
1686		2022
1687	sub load_header_from($) {	2023	sub load_header_from($) {
1688	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1689		2025
1690	utf8::encode $path;	2026	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1696		2035
1697	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1698		2037
1699	1	2038	1
1700	}	2039	}
…		…
1752		2091
1753	sub find;	2092	sub find;
1754	sub find {	2093	sub find {
1755	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1756		2095
		2096	cf::cede_to_tick;
		2097
1757	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1758		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1760		2102
1761	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";
1763	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1764	or return;	2105	or return;
1765		2106
1766	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1767		2108
…		…
1769	or return;	2110	or return;
1770		2111
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1774	$map->reset;	2117	$map->reset;
1775	undef $guard;
1776	return find $path;	2118	return find $path;
1777	}	2119	}
1778		2120
1779	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1780	}	2122	}
1781	}	2123	}
1782		2124
1783	sub pre_load { }	2125	sub pre_load { }
1784	sub post_load { }	2126	#sub post_load { } # XS
1785		2127
1786	sub load {	2128	sub load {
1787	my ($self) = @_;	2129	my ($self) = @_;
1788		2130
1789	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1790		2132
1791	my $path = $self->{path};	2133	my $path = $self->{path};
1792		2134
1793	{	2135	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1795		2137
		2138	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2140
1798	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1799		2142
1800	$self->alloc;	2143	$self->alloc;
1801		2144
1802	$self->pre_load;	2145	$self->pre_load;
1803	Coro::cede;	2146	cf::cede_to_tick;
1804		2147
		2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2150	$self->_load_objects ($f)
1806	or return;	2151	or return;
1807		2152
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1809	if delete $self->{load_original};	2154	if delete $self->{load_original};
1810		2155
1811	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2157	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2160	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1816	}	2164	}
1817	}	2165	}
1818		2166
1819	Coro::cede;	2167	$f->resolve_delayed_derefs;
		2168
		2169	cf::cede_to_tick;
1820	# now do the right thing for maps	2170	# now do the right thing for maps
1821	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2173	unless $self->difficulty;
1824	Coro::cede;	2174	cf::cede_to_tick;
1825		2175
1826	unless ($self->{deny_activate}) {	2176	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2177	$self->decay_objects;
1828	$self->fix_auto_apply;	2178	$self->fix_auto_apply;
1829	$self->update_buttons;	2179	$self->update_buttons;
1830	Coro::cede;	2180	cf::cede_to_tick;
1831	$self->set_darkness_map;
1832	Coro::cede;
1833	$self->activate;	2181	$self->activate;
1834	}	2182	}
1835		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2188	}
1838		2189
1839	$self->post_load;	2190	$self->post_load;
1840	}
1841		2191
		2192	1
		2193	}
		2194
		2195	# customize the map for a given player, i.e.
		2196	# return the _real_ map. used by e.g. per-player
		2197	# maps to change the path to ~playername/mappath
1842	sub customise_for {	2198	sub customise_for {
1843	my ($self, $ob) = @_;	2199	my ($self, $ob) = @_;
1844		2200
1845	return find "~" . $ob->name . "/" . $self->{path}	2201	return find "~" . $ob->name . "/" . $self->{path}
1846	if $self->per_player;	2202	if $self->per_player;
…		…
1850		2206
1851	$self	2207	$self
1852	}	2208	}
1853		2209
1854	# find and load all maps in the 3x3 area around a map	2210	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2211	sub load_neighbours {
1856	my ($map) = @_;	2212	my ($map) = @_;
1857		2213
1858	my @diag; # diagonal neighbours	2214	my @neigh; # diagonal neighbours
1859		2215
1860	for (0 .. 3) {	2216	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2217	my $neigh = $map->tile_path ($_)
1862	or next;	2218	or next;
1863	$neigh = find $neigh, $map	2219	$neigh = find $neigh, $map
1864	or next;	2220	or next;
1865	$neigh->load;	2221	$neigh->load;
1866		2222
		2223	# now find the diagonal neighbours
		2224	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2225	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2226	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2227	}
1870		2228
1871	for (@diag) {	2229	for (grep defined $_->[0], @neigh) {
		2230	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2231	my $neigh = find $path, $origin
1873	or next;	2232	or next;
1874	$neigh->load;	2233	$neigh->load;
1875	}	2234	}
1876	}	2235	}
1877		2236
1878	sub find_sync {	2237	sub find_sync {
1879	my ($path, $origin) = @_;	2238	my ($path, $origin) = @_;
1880		2239
1881	cf::sync_job { find $path, $origin }	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	find $path, $origin
1882	}	2244	}
1883		2245
1884	sub do_load_sync {	2246	sub do_load_sync {
1885	my ($map) = @_;	2247	my ($map) = @_;
1886		2248
1887	cf::sync_job { $map->load };	2249	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2250	if $Coro::current == $Coro::main;
		2251
		2252	$map->load;
1888	}	2253	}
1889		2254
1890	our %MAP_PREFETCH;	2255	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2256	our $MAP_PREFETCHER = undef;
1892		2257
1893	sub find_async {	2258	sub find_async {
1894	my ($path, $origin) = @_;	2259	my ($path, $origin, $load) = @_;
1895		2260
1896	$path = normalise $path, $origin && $origin->{path};	2261	$path = normalise $path, $origin && $origin->{path};
1897		2262
1898	if (my $map = $cf::MAP{$path}) {	2263	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2264	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2265	}
1901		2266
1902	undef $MAP_PREFETCH{$path};	2267	$MAP_PREFETCH{$path} |= $load;
		2268
1903	$MAP_PREFETCHER ||= cf::async {	2269	$MAP_PREFETCHER ||= cf::async {
		2270	$Coro::current->{desc} = "map prefetcher";
		2271
1904	while (%MAP_PREFETCH) {	2272	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2273	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2274	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2275	$map->load if $v;
		2276	}
1909		2277
1910	delete $MAP_PREFETCH{$path};	2278	delete $MAP_PREFETCH{$k};
1911	}	2279	}
1912	}	2280	}
1913	undef $MAP_PREFETCHER;	2281	undef $MAP_PREFETCHER;
1914	};	2282	};
1915	$MAP_PREFETCHER->prio (6);	2283	$MAP_PREFETCHER->prio (6);
1916		2284
1917	()	2285	()
1918	}	2286	}
1919		2287
		2288	# common code, used by both ->save and ->swapout
1920	sub save {	2289	sub _save {
1921	my ($self) = @_;	2290	my ($self) = @_;
1922
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;
1924		2291
1925	$self->{last_save} = $cf::RUNTIME;	2292	$self->{last_save} = $cf::RUNTIME;
1926		2293
1927	return unless $self->dirty;	2294	return unless $self->dirty;
1928		2295
…		…
1934	return if $self->{deny_save};	2301	return if $self->{deny_save};
1935		2302
1936	local $self->{last_access} = $self->last_access;#d#	2303	local $self->{last_access} = $self->last_access;#d#
1937		2304
1938	cf::async {	2305	cf::async {
		2306	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2307	$_->contr->save for $self->players;
1940	};	2308	};
		2309
		2310	cf::get_slot 0.02;
1941		2311
1942	if ($uniq) {	2312	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2313	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2314	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2315	} else {
1946	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2316	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1947	}	2317	}
1948	}	2318	}
1949		2319
		2320	sub save {
		2321	my ($self) = @_;
		2322
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
		2325	$self->_save;
		2326	}
		2327
1950	sub swap_out {	2328	sub swap_out {
1951	my ($self) = @_;	2329	my ($self) = @_;
1952		2330
1953	# save first because save cedes
1954	$self->save;
1955
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2332
		2333	return if $self->in_memory != cf::MAP_ACTIVE;
		2334	return if $self->{deny_save};
1958	return if $self->players;	2335	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;
1960	return if $self->{deny_save};
1961		2336
		2337	# first deactivate the map and "unlink" it from the core
		2338	$self->deactivate;
		2339	$_->clear_links_to ($self) for values %cf::MAP;
		2340	$self->in_memory (cf::MAP_SWAPPED);
		2341
		2342	# then atomically save
		2343	$self->_save;
		2344
		2345	# then free the map
1962	$self->clear;	2346	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2347	}
1965		2348
1966	sub reset_at {	2349	sub reset_at {
1967	my ($self) = @_;	2350	my ($self) = @_;
1968		2351
…		…
1986		2369
1987	my $lock = cf::lock_acquire "map_data:$self->{path}";	2370	my $lock = cf::lock_acquire "map_data:$self->{path}";
1988		2371
1989	return if $self->players;	2372	return if $self->players;
1990		2373
1991	warn "resetting map ", $self->path;	2374	cf::trace "resetting map ", $self->path, "\n";
1992		2375
1993	$self->in_memory (cf::MAP_SWAPPED);	2376	$self->in_memory (cf::MAP_SWAPPED);
1994		2377
1995	# need to save uniques path	2378	# need to save uniques path
1996	unless ($self->{deny_save}) {	2379	unless ($self->{deny_save}) {
…		…
2000	if $uniq;	2383	if $uniq;
2001	}	2384	}
2002		2385
2003	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
2004		2387
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2390	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2391
2009	$self->unlink_save;	2392	$self->unlink_save;
2010	$self->destroy;	2393	$self->destroy;
2011	}	2394	}
2012		2395
2013	my $nuke_counter = "aaaa";	2396	my $nuke_counter = "aaaa";
2014		2397
2015	sub nuke {	2398	sub nuke {
2016	my ($self) = @_;	2399	my ($self) = @_;
2017		2400
		2401	{
		2402	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2403
2018	delete $cf::MAP{$self->path};	2404	delete $cf::MAP{$self->path};
2019		2405
2020	$self->unlink_save;	2406	$self->unlink_save;
2021		2407
2022	bless $self, "cf::map";	2408	bless $self, "cf::map::wrap";
2023	delete $self->{deny_reset};	2409	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2410	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2411	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2412	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2413
2028	$cf::MAP{$self->path} = $self;	2414	$cf::MAP{$self->path} = $self;
		2415	}
2029		2416
2030	$self->reset; # polite request, might not happen	2417	$self->reset; # polite request, might not happen
2031	}	2418	}
2032		2419
2033	=item $maps = cf::map::tmp_maps	2420	=item $maps = cf::map::tmp_maps
…		…
2075		2462
2076	sub unique_maps() {	2463	sub unique_maps() {
2077	[	2464	[
2078	map {	2465	map {
2079	utf8::decode $_;	2466	utf8::decode $_;
2080	/\.map$/	2467	s/\.map$//; # TODO future compatibility hack
		2468	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2469	? ()
2081	? normalise $_	2470	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2471	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2472	]
2085	}	2473	}
2086		2474
2087	package cf;	2475	=item cf::map::static_maps
		2476
		2477	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2478	file in the shared directory excluding F</styles> and F</editor>). May
		2479	block.
		2480
		2481	=cut
		2482
		2483	sub static_maps() {
		2484	my @dirs = "";
		2485	my @maps;
		2486
		2487	while (@dirs) {
		2488	my $dir = shift @dirs;
		2489
		2490	next if $dir eq "/styles" || $dir eq "/editor";
		2491
		2492	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2493	or return;
		2494
		2495	for (@$files) {
		2496	s/\.map$// or next;
		2497	utf8::decode $_;
		2498	push @maps, "$dir/$_";
		2499	}
		2500
		2501	push @dirs, map "$dir/$_", @$dirs;
		2502	}
		2503
		2504	\@maps
		2505	}
2088		2506
2089	=back	2507	=back
2090		2508
2091	=head3 cf::object	2509	=head3 cf::object
2092		2510
…		…
2096		2514
2097	=over 4	2515	=over 4
2098		2516
2099	=item $ob->inv_recursive	2517	=item $ob->inv_recursive
2100		2518
2101	Returns the inventory of the object _and_ their inventories, recursively.	2519	Returns the inventory of the object I<and> their inventories, recursively,
		2520	but I<not> the object itself.
2102		2521
2103	=cut	2522	=cut
2104		2523
2105	sub inv_recursive_;	2524	sub inv_recursive_;
2106	sub inv_recursive_ {	2525	sub inv_recursive_ {
…		…
2109		2528
2110	sub inv_recursive {	2529	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2530	inv_recursive_ inv $_[0]
2112	}	2531	}
2113		2532
		2533	=item $ref = $ob->ref
		2534
		2535	Creates and returns a persistent reference to an object that can be stored as a string.
		2536
		2537	=item $ob = cf::object::deref ($refstring)
		2538
		2539	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2540	even if the object actually exists. May block.
		2541
		2542	=cut
		2543
		2544	sub deref {
		2545	my ($ref) = @_;
		2546
		2547	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2548	my ($uuid, $name) = ($1, $2);
		2549	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2550	or return;
		2551	$pl->ob->uuid eq $uuid
		2552	or return;
		2553
		2554	$pl->ob
		2555	} else {
		2556	warn "$ref: cannot resolve object reference\n";
		2557	undef
		2558	}
		2559	}
		2560
2114	package cf;	2561	package cf;
2115		2562
2116	=back	2563	=back
2117		2564
2118	=head3 cf::object::player	2565	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2571	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125	can be C<undef>. Does the right thing when the player is currently in a	2572	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2573	dialogue with the given NPC character.
2127		2574
2128	=cut	2575	=cut
		2576
		2577	our $SAY_CHANNEL = {
		2578	id => "say",
		2579	title => "Map",
		2580	reply => "say ",
		2581	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2582	};
		2583
		2584	our $CHAT_CHANNEL = {
		2585	id => "chat",
		2586	title => "Chat",
		2587	reply => "chat ",
		2588	tooltip => "Player chat and shouts, global to the server.",
		2589	};
2129		2590
2130	# rough implementation of a future "reply" method that works	2591	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2592	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2593	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2594	sub cf::object::player::reply($$$;$) {
…		…
2140		2601
2141	} else {	2602	} else {
2142	my $pl = $self->contr;	2603	my $pl = $self->contr;
2143		2604
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2605	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2606	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2607	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2608
2153	} else {	2609	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2610	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2611	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2612	}
2157	}	2613	}
		2614	}
		2615
		2616	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2617
		2618	=cut
		2619
		2620	sub cf::object::send_msg {
		2621	my $pl = shift->contr
		2622	or return;
		2623	$pl->send_msg (@_);
2158	}	2624	}
2159		2625
2160	=item $player_object->may ("access")	2626	=item $player_object->may ("access")
2161		2627
2162	Returns wether the given player is authorized to access resource "access"	2628	Returns wether the given player is authorized to access resource "access"
…		…
2175		2641
2176	=item $player_object->enter_link	2642	=item $player_object->enter_link
2177		2643
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2644	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2645
2180	The player should be reasonably safe there for short amounts of time. You	2646	The player should be reasonably safe there for short amounts of time (e.g.
2181	I<MUST> call C<leave_link> as soon as possible, though.	2647	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2648	though, as the player cannot control the character while it is on the link
		2649	map.
2182		2650
2183	Will never block.	2651	Will never block.
2184		2652
2185	=item $player_object->leave_link ($map, $x, $y)	2653	=item $player_object->leave_link ($map, $x, $y)
2186		2654
…		…
2206	sub cf::object::player::enter_link {	2674	sub cf::object::player::enter_link {
2207	my ($self) = @_;	2675	my ($self) = @_;
2208		2676
2209	$self->deactivate_recursive;	2677	$self->deactivate_recursive;
2210		2678
		2679	++$self->{_link_recursion};
		2680
2211	return if UNIVERSAL::isa $self->map, "ext::map_link";	2681	return if UNIVERSAL::isa $self->map, "ext::map_link";
2212		2682
2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2683	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2214	if $self->map && $self->map->{path} ne "{link}";	2684	if $self->map && $self->map->{path} ne "{link}";
2215		2685
2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2686	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2217	}	2687	}
2218		2688
2219	sub cf::object::player::leave_link {	2689	sub cf::object::player::leave_link {
2220	my ($self, $map, $x, $y) = @_;	2690	my ($self, $map, $x, $y) = @_;
2221		2691
…		…
2238	($x, $y) = (-1, -1)	2708	($x, $y) = (-1, -1)
2239	unless (defined $x) && (defined $y);	2709	unless (defined $x) && (defined $y);
2240		2710
2241	# use -1 or undef as default coordinates, not 0, 0	2711	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2712	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2713	if $x <= 0 && $y <= 0;
2244		2714
2245	$map->load;	2715	$map->load;
2246	$map->load_diag;	2716	$map->load_neighbours;
2247		2717
2248	return unless $self->contr->active;	2718	return unless $self->contr->active;
2249	$self->activate_recursive;
2250		2719
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2720	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2721	if ($self->enter_map ($map, $x, $y)) {
2253	}	2722	# entering was successful
		2723	delete $self->{_link_recursion};
		2724	# only activate afterwards, to support waiting in hooks
		2725	$self->activate_recursive;
		2726	}
2254		2727
		2728	}
		2729
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2730	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2256		2731
2257	Moves the player to the given map-path and coordinates by first freezing	2732	Moves the player to the given map-path and coordinates by first freezing
2258	her, loading and preparing them map, calling the provided $check callback	2733	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2734	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2735	the new (success) or old (failed) map position. In either case, $done will
		2736	be called at the end of this process.
		2737
		2738	Note that $check will be called with a potentially non-loaded map, so if
		2739	it needs a loaded map it has to call C<< ->load >>.
2261		2740
2262	=cut	2741	=cut
2263		2742
2264	our $GOTOGEN;	2743	our $GOTOGEN;
2265		2744
2266	sub cf::object::player::goto {	2745	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2746	my ($self, $path, $x, $y, $check, $done) = @_;
		2747
		2748	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2749	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2750	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2751	($path, $x, $y) = @$EMERGENCY_POSITION;
		2752	}
2268		2753
2269	# do generation counting so two concurrent goto's will be executed in-order	2754	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2755	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2756
2272	$self->enter_link;	2757	$self->enter_link;
2273		2758
2274	(async {	2759	(async {
		2760	$Coro::current->{desc} = "player::goto $path $x $y";
		2761
		2762	# *tag paths override both path and x|y
		2763	if ($path =~ /^\*(.*)$/) {
		2764	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2765	my $ob = $obs[rand @obs];
		2766
		2767	# see if we actually can go there
		2768	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2769	$ob = $obs[rand @obs];
		2770	} else {
		2771	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2772	}
		2773	# else put us there anyways for now #d#
		2774
		2775	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2776	} else {
		2777	($path, $x, $y) = (undef, undef, undef);
		2778	}
		2779	}
		2780
2275	my $map = eval {	2781	my $map = eval {
2276	my $map = cf::map::find $path;	2782	my $map = defined $path ? cf::map::find $path : undef;
2277		2783
2278	if ($map) {	2784	if ($map) {
2279	$map = $map->customise_for ($self);	2785	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2786	$map = $check->($map, $x, $y, $self) if $check && $map;
2281	} else {	2787	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2788	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2789	}
2284		2790
2285	$map	2791	$map
2286	};	2792	};
2287		2793
…		…
2292		2798
2293	if ($gen == $self->{_goto_generation}) {	2799	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2800	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2801	$self->leave_link ($map, $x, $y);
2296	}	2802	}
		2803
		2804	$done->($self) if $done;
2297	})->prio (1);	2805	})->prio (1);
2298	}	2806	}
2299		2807
2300	=item $player_object->enter_exit ($exit_object)	2808	=item $player_object->enter_exit ($exit_object)
2301		2809
…		…
2321	}	2829	}
2322		2830
2323	sub prepare_random_map {	2831	sub prepare_random_map {
2324	my ($exit) = @_;	2832	my ($exit) = @_;
2325		2833
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2834	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2835	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2836	# that depends on the exit object
2331		2837
2332	my $rmp = parse_random_map_params $exit->msg;	2838	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2840	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2841	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2842	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2843	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2844	$rmp->{origin_y} = $exit->y;
		2845
		2846	$exit->map->touch;
2339	}	2847	}
2340		2848
2341	$rmp->{random_seed} ||= $exit->random_seed;	2849	$rmp->{random_seed} ||= $exit->random_seed;
2342		2850
2343	my $data = cf::to_json $rmp;	2851	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2852	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2853	my $meta = "$RANDOMDIR/$md5.meta";
2346		2854
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2855	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2856	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2857	undef $fh;
2350	aio_rename "$meta~", $meta;	2858	aio_rename "$meta~", $meta;
2351		2859
		2860	my $slaying = "?random/$md5";
		2861
		2862	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2863	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2864	$exit->msg (undef);
		2865	}
2354	}	2866	}
2355	}	2867	}
2356		2868
2357	sub cf::object::player::enter_exit {	2869	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2870	my ($self, $exit) = @_;
2359		2871
2360	return unless $self->type == cf::PLAYER;	2872	return unless $self->type == cf::PLAYER;
2361		2873
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2874	$self->enter_link;
2374		2875
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2876	(async {
2380	$self->deactivate_recursive; # just to be sure	2877	$Coro::current->{desc} = "enter_exit";
		2878
2381	unless (eval {	2879	unless (eval {
		2880	$self->deactivate_recursive; # just to be sure
		2881
		2882	# random map handling
		2883	{
		2884	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2885
		2886	prepare_random_map $exit
		2887	if $exit->slaying eq "/!";
		2888	}
		2889
		2890	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2891	my $x = $exit->stats->hp;
		2892	my $y = $exit->stats->sp;
		2893
2382	$self->goto ($slaying, $hp, $sp);	2894	$self->goto ($map, $x, $y);
2383		2895
		2896	# if exit is damned, update players death & WoR home-position
		2897	$self->contr->savebed ($map, $x, $y)
		2898	if $exit->flag (cf::FLAG_DAMNED);
		2899
2384	1;	2900	1
2385	}) {	2901	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2902	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	2903	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	2904	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2905	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2906
2391	warn "ERROR in enter_exit: $@";	2907	error "ERROR in enter_exit: $@";
2392	$self->leave_link;	2908	$self->leave_link;
2393	}	2909	}
2394	})->prio (1);	2910	})->prio (1);
2395	}	2911	}
2396		2912
…		…
2410		2926
2411	utf8::encode $text;	2927	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2928	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2929	}
2414		2930
		2931	=item $client->send_big_packet ($pkt)
		2932
		2933	Like C<send_packet>, but tries to compress large packets, and fragments
		2934	them as required.
		2935
		2936	=cut
		2937
		2938	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2939
		2940	sub cf::client::send_big_packet {
		2941	my ($self, $pkt) = @_;
		2942
		2943	# try lzf for large packets
		2944	$pkt = "lzf " . Compress::LZF::compress $pkt
		2945	if 1024 <= length $pkt and $self->{can_lzf};
		2946
		2947	# split very large packets
		2948	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2949	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2950	$pkt = "frag";
		2951	}
		2952
		2953	$self->send_packet ($pkt);
		2954	}
		2955
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2956	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2957
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2958	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2959	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2960	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2961	the message unless the client supports the msg packet.
2421		2962
2422	=cut	2963	=cut
2423		2964
		2965	# non-persistent channels (usually the info channel)
		2966	our %CHANNEL = (
		2967	"c/motd" => {
		2968	id => "infobox",
		2969	title => "MOTD",
		2970	reply => undef,
		2971	tooltip => "The message of the day",
		2972	},
		2973	"c/identify" => {
		2974	id => "infobox",
		2975	title => "Identify",
		2976	reply => undef,
		2977	tooltip => "Items recently identified",
		2978	},
		2979	"c/examine" => {
		2980	id => "infobox",
		2981	title => "Examine",
		2982	reply => undef,
		2983	tooltip => "Signs and other items you examined",
		2984	},
		2985	"c/shopinfo" => {
		2986	id => "infobox",
		2987	title => "Shop Info",
		2988	reply => undef,
		2989	tooltip => "What your bargaining skill tells you about the shop",
		2990	},
		2991	"c/book" => {
		2992	id => "infobox",
		2993	title => "Book",
		2994	reply => undef,
		2995	tooltip => "The contents of a note or book",
		2996	},
		2997	"c/lookat" => {
		2998	id => "infobox",
		2999	title => "Look",
		3000	reply => undef,
		3001	tooltip => "What you saw there",
		3002	},
		3003	"c/who" => {
		3004	id => "infobox",
		3005	title => "Players",
		3006	reply => undef,
		3007	tooltip => "Shows players who are currently online",
		3008	},
		3009	"c/body" => {
		3010	id => "infobox",
		3011	title => "Body Parts",
		3012	reply => undef,
		3013	tooltip => "Shows which body parts you posess and are available",
		3014	},
		3015	"c/statistics" => {
		3016	id => "infobox",
		3017	title => "Statistics",
		3018	reply => undef,
		3019	tooltip => "Shows your primary statistics",
		3020	},
		3021	"c/skills" => {
		3022	id => "infobox",
		3023	title => "Skills",
		3024	reply => undef,
		3025	tooltip => "Shows your experience per skill and item power",
		3026	},
		3027	"c/shopitems" => {
		3028	id => "infobox",
		3029	title => "Shop Items",
		3030	reply => undef,
		3031	tooltip => "Shows the items currently for sale in this shop",
		3032	},
		3033	"c/resistances" => {
		3034	id => "infobox",
		3035	title => "Resistances",
		3036	reply => undef,
		3037	tooltip => "Shows your resistances",
		3038	},
		3039	"c/pets" => {
		3040	id => "infobox",
		3041	title => "Pets",
		3042	reply => undef,
		3043	tooltip => "Shows information abotu your pets/a specific pet",
		3044	},
		3045	"c/perceiveself" => {
		3046	id => "infobox",
		3047	title => "Perceive Self",
		3048	reply => undef,
		3049	tooltip => "You gained detailed knowledge about yourself",
		3050	},
		3051	"c/uptime" => {
		3052	id => "infobox",
		3053	title => "Uptime",
		3054	reply => undef,
		3055	tooltip => "How long the server has been running since last restart",
		3056	},
		3057	"c/mapinfo" => {
		3058	id => "infobox",
		3059	title => "Map Info",
		3060	reply => undef,
		3061	tooltip => "Information related to the maps",
		3062	},
		3063	"c/party" => {
		3064	id => "party",
		3065	title => "Party",
		3066	reply => "gsay ",
		3067	tooltip => "Messages and chat related to your party",
		3068	},
		3069	"c/death" => {
		3070	id => "death",
		3071	title => "Death",
		3072	reply => undef,
		3073	tooltip => "Reason for and more info about your most recent death",
		3074	},
		3075	"c/say" => $SAY_CHANNEL,
		3076	"c/chat" => $CHAT_CHANNEL,
		3077	);
		3078
2424	sub cf::client::send_msg {	3079	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	3080	my ($self, $channel, $msg, $color, @extra) = @_;
2426		3081
2427	$msg = $self->pl->expand_cfpod ($msg);	3082	$msg = $self->pl->expand_cfpod ($msg)
		3083	unless $color & cf::NDI_VERBATIM;
		3084
		3085	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3086
		3087	# check predefined channels, for the benefit of C
		3088	if ($CHANNEL{$channel}) {
		3089	$channel = $CHANNEL{$channel};
		3090
		3091	$self->ext_msg (channel_info => $channel);
		3092	$channel = $channel->{id};
		3093
		3094	} elsif (ref $channel) {
		3095	# send meta info to client, if not yet sent
		3096	unless (exists $self->{channel}{$channel->{id}}) {
		3097	$self->{channel}{$channel->{id}} = $channel;
		3098	$self->ext_msg (channel_info => $channel);
		3099	}
		3100
		3101	$channel = $channel->{id};
		3102	}
2428		3103
2429	return unless @extra || length $msg;	3104	return unless @extra || length $msg;
2430		3105
2431	if ($self->can_msg) {	3106	# default colour, mask it out
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3107	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2433	} else {	3108	if $color & cf::NDI_DEF;
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443		3109
2444	if ($color >= 0) {	3110	my $pkt = "msg "
2445	if (0 && $msg =~ /\[/) {	3111	. $self->{json_coder}->encode (
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	3112	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2447	} else {	3113	);
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")
2450	}
2451	}
2452	}
2453	}
2454		3114
		3115	$self->send_big_packet ($pkt);
		3116	}
		3117
2455	=item $client->ext_event ($type, %msg)	3118	=item $client->ext_msg ($type, @msg)
2456		3119
2457	Sends an ext event to the client.	3120	Sends an ext event to the client.
2458		3121
2459	=cut	3122	=cut
2460		3123
2461	sub cf::client::ext_event($$%) {	3124	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	3125	my ($self, $type, @msg) = @_;
2463		3126
		3127	if ($self->extcmd == 2) {
		3128	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3129	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	3130	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
		3134
		3135	=item $client->ext_reply ($msgid, @msg)
		3136
		3137	Sends an ext reply to the client.
		3138
		3139	=cut
		3140
		3141	sub cf::client::ext_reply($$@) {
		3142	my ($self, $id, @msg) = @_;
		3143
		3144	if ($self->extcmd == 2) {
		3145	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3146	} elsif ($self->extcmd == 1) {
		3147	#TODO: version 1, remove
		3148	unshift @msg, msgtype => "reply", msgid => $id;
		3149	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3150	}
2466	}	3151	}
2467		3152
2468	=item $success = $client->query ($flags, "text", \&cb)	3153	=item $success = $client->query ($flags, "text", \&cb)
2469		3154
2470	Queues a query to the client, calling the given callback with	3155	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3210	my ($ns, $buf) = @_;
2526		3211
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3212	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3213
2529	if (ref $msg) {	3214	if (ref $msg) {
		3215	my ($type, $reply, @payload) =
		3216	"ARRAY" eq ref $msg
		3217	? @$msg
		3218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3219
		3220	my @reply;
		3221
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3222	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3223	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3224	}
		3225
		3226	$ns->ext_reply ($reply, @reply)
		3227	if $reply;
		3228
2536	} else {	3229	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3230	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3231	}
2539		3232
2540	cf::override;	3233	cf::override;
2541	},	3234	},
2542	);	3235	);
…		…
2562		3255
2563	$coro	3256	$coro
2564	}	3257	}
2565		3258
2566	cf::client->attach (	3259	cf::client->attach (
2567	on_destroy => sub {	3260	on_client_destroy => sub {
2568	my ($ns) = @_;	3261	my ($ns) = @_;
2569		3262
2570	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2571	},	3264	},
2572	);	3265	);
…		…
2587	our $safe = new Safe "safe";	3280	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3281	our $safe_hole = new Safe::Hole;
2589		3282
2590	$SIG{FPE} = 'IGNORE';	3283	$SIG{FPE} = 'IGNORE';
2591		3284
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3285	$safe->permit_only (Opcode::opset qw(
		3286	:base_core :base_mem :base_orig :base_math :base_loop
		3287	grepstart grepwhile mapstart mapwhile
		3288	sort time
		3289	));
2593		3290
2594	# here we export the classes and methods available to script code	3291	# here we export the classes and methods available to script code
2595		3292
2596	=pod	3293	=pod
2597		3294
2598	The following functions and methods are available within a safe environment:	3295	The following functions and methods are available within a safe environment:
2599		3296
2600	cf::object	3297	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3298	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3299	insert remove name archname title slaying race decrease split
		3300	value
2603		3301
2604	cf::object::player	3302	cf::object::player
2605	player	3303	player
2606		3304
2607	cf::player	3305	cf::player
…		…
2612		3310
2613	=cut	3311	=cut
2614		3312
2615	for (	3313	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3314	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3315	insert remove inv nrof name archname title slaying race
		3316	decrease split destroy change_exp value msg lore send_msg)],
2618	["cf::object::player" => qw(player)],	3317	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3318	["cf::player" => qw(peaceful send_msg)],
2620	["cf::map" => qw(trigger)],	3319	["cf::map" => qw(trigger)],
2621	) {	3320	) {
2622	no strict 'refs';
2623	my ($pkg, @funs) = @$_;	3321	my ($pkg, @funs) = @$_;
2624	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3322	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2625	for @funs;	3323	for @funs;
2626	}	3324	}
2627		3325
…		…
2642		3340
2643	my $qcode = $code;	3341	my $qcode = $code;
2644	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3342	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2645	$qcode =~ s/\n/\\n/g;	3343	$qcode =~ s/\n/\\n/g;
2646		3344
		3345	%vars = (_dummy => 0) unless %vars;
		3346
		3347	my @res;
2647	local $_;	3348	local $_;
2648	local @safe::cf::_safe_eval_args = values %vars;
2649		3349
2650	my $eval =	3350	my $eval =
2651	"do {\n"	3351	"do {\n"
2652	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3352	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2653	. "#line 0 \"{$qcode}\"\n"	3353	. "#line 0 \"{$qcode}\"\n"
2654	. $code	3354	. $code
2655	. "\n}"	3355	. "\n}"
2656	;	3356	;
2657		3357
		3358	if ($CFG{safe_eval}) {
2658	sub_generation_inc;	3359	sub_generation_inc;
		3360	local @safe::cf::_safe_eval_args = values %vars;
2659	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3361	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2660	sub_generation_inc;	3362	sub_generation_inc;
		3363	} else {
		3364	local @cf::_safe_eval_args = values %vars;
		3365	@res = wantarray ? eval eval : scalar eval $eval;
		3366	}
2661		3367
2662	if ($@) {	3368	if ($@) {
2663	warn "$@";	3369	warn "$@",
2664	warn "while executing safe code '$code'\n";	3370	"while executing safe code '$code'\n",
2665	warn "with arguments " . (join " ", %vars) . "\n";	3371	"with arguments " . (join " ", %vars) . "\n";
2666	}	3372	}
2667		3373
2668	wantarray ? @res : $res[0]	3374	wantarray ? @res : $res[0]
2669	}	3375	}
2670		3376
…		…
2684	=cut	3390	=cut
2685		3391
2686	sub register_script_function {	3392	sub register_script_function {
2687	my ($fun, $cb) = @_;	3393	my ($fun, $cb) = @_;
2688		3394
2689	no strict 'refs';	3395	$fun = "safe::$fun" if $CFG{safe_eval};
2690	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3396	*$fun = $safe_hole->wrap ($cb);
2691	}	3397	}
2692		3398
2693	=back	3399	=back
2694		3400
2695	=cut	3401	=cut
…		…
2698	# the server's init and main functions	3404	# the server's init and main functions
2699		3405
2700	sub load_facedata($) {	3406	sub load_facedata($) {
2701	my ($path) = @_;	3407	my ($path) = @_;
2702		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
2703	warn "loading facedata from $path\n";	3415	trace "loading facedata from $path\n";
2704		3416
2705	my $facedata;
2706	0 < aio_load $path, $facedata	3417	0 < aio_load $path, my $facedata
2707	or die "$path: $!";	3418	or die "$path: $!";
2708		3419
2709	$facedata = Coro::Storable::thaw $facedata;	3420	$facedata = Coro::Storable::thaw $facedata;
2710		3421
2711	$facedata->{version} == 2	3422	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3424
		3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3427	$facedata->{resource}{"res/exp_table"} = {
		3428	type => FT_RSRC,
		3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
		3431	};
		3432	cf::cede_to_tick;
		3433
2714	{	3434	{
2715	my $faces = $facedata->{faceinfo};	3435	my $faces = $facedata->{faceinfo};
2716		3436
2717	while (my ($face, $info) = each %$faces) {	3437	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3439
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3440	cf::face::set_visibility $idx, $info->{visibility};
		3441	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2722	Coro::cede;	3444
		3445	cf::cede_to_tick;
2723	}	3446	}
2724		3447
2725	while (my ($face, $info) = each %$faces) {	3448	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3449	next unless $info->{smooth};
		3450
2727	my $idx = cf::face::find $face	3451	my $idx = cf::face::find $face
2728	or next;	3452	or next;
		3453
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3454	if (my $smooth = cf::face::find $info->{smooth}) {
		3455	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3457	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3458	error "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3459	}
2734	Coro::cede;	3460
		3461	cf::cede_to_tick;
2735	}	3462	}
2736	}	3463	}
2737		3464
2738	{	3465	{
2739	my $anims = $facedata->{animinfo};	3466	my $anims = $facedata->{animinfo};
2740		3467
2741	while (my ($anim, $info) = each %$anims) {	3468	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3469	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3470	cf::cede_to_tick;
2744	}	3471	}
2745		3472
2746	cf::anim::invalidate_all; # d'oh	3473	cf::anim::invalidate_all; # d'oh
2747	}	3474	}
2748		3475
		3476	{
		3477	my $res = $facedata->{resource};
		3478
		3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
		3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
		3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
2749	1	3495	1
2750	}	3496	}
2751		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
2752	sub reload_regions {	3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
2753	load_resource_file "$MAPDIR/regions"	3521	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3522	or die "unable to load regions file\n";
		3523
		3524	for (cf::region::list) {
		3525	$_->{match} = qr/$_->{match}/
		3526	if exists $_->{match};
		3527	}
2755	}	3528	}
2756		3529
2757	sub reload_facedata {	3530	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3531	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3532	or die "unable to load facedata\n";
2760	}	3533	}
2761		3534
2762	sub reload_archetypes {	3535	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3536	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3537	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3538	}
2771		3539
2772	sub reload_treasures {	3540	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3541	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3542	or die "unable to load treasurelists\n";
2775	}	3543	}
2776		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
2777	sub reload_resources {	3568	sub reload_resources {
2778	warn "reloading resource files...\n";	3569	trace "reloading resource files...\n";
2779		3570
		3571	reload_exp_table;
		3572	reload_materials;
		3573	reload_facedata;
		3574	reload_sound;
		3575	reload_archetypes;
2780	reload_regions;	3576	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3577	reload_treasures;
2785		3578
2786	warn "finished reloading resource files\n";	3579	trace "finished reloading resource files\n";
2787	}	3580	}
2788		3581
2789	sub init {	3582	sub reload_config {
2790	reload_resources;	3583	trace "reloading config file...\n";
2791	}
2792		3584
2793	sub cfg_load {	3585	0 < aio_load "$CONFDIR/config", my $config
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3586	or die "$CONFDIR/config: $!";
2795	or return;
2796		3587
2797	local $/;	3588	utf8::decode $config;
2798	*CFG = YAML::Syck::Load <$fh>;	3589	*CFG = yaml_load $config;
2799		3590
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2801		3592
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2803	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2804		3595
2805	if (exists $CFG{mlockall}) {	3596	if (exists $CFG{mlockall}) {
…		…
2809	};	3600	};
2810	warn $@ if $@;	3601	warn $@ if $@;
2811	}	3602	}
2812	}	3603	}
2813		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
		3631	}
		3632
2814	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2815	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3646	(async {
2819	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
2821	};	3650	};
2822		3651
2823	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
		3653
		3654	cf::sync_job {
		3655	cf::incloader::init ();
		3656
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662
		3663	reload_resources;
		3664	reload_config;
2824	db_init;	3665	db_init;
		3666
		3667	cf::init_uuid;
		3668	cf::init_signals;
		3669	cf::init_skills;
		3670
		3671	cf::init_beforeplay;
		3672
		3673	atomic;
		3674
2825	load_extensions;	3675	load_extensions;
2826		3676
2827	$TICK_WATCHER->start;	3677	utime time, time, $RUNTIMEFILE;
2828	Event::loop;	3678
		3679	# no (long-running) fork's whatsoever before this point(!)
		3680	use POSIX ();
		3681	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3682
		3683	cf::_post_init 0;
		3684	};
		3685
		3686	cf::object::thawer::errors_are_fatal 0;
		3687	info "parse errors in files are no longer fatal from this point on.\n";
		3688
		3689	my $free_main; $free_main = EV::idle sub {
		3690	undef $free_main;
		3691	undef &main; # free gobs of memory :)
		3692	};
		3693
		3694	goto &main_loop;
2829	}	3695	}
2830		3696
2831	#############################################################################	3697	#############################################################################
2832	# initialisation and cleanup	3698	# initialisation and cleanup
2833		3699
2834	# install some emergency cleanup handlers	3700	# install some emergency cleanup handlers
2835	BEGIN {	3701	BEGIN {
		3702	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3703	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3704	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3705	cf::cleanup "SIG$signal";
2844	},
2845	);	3706	};
2846	}	3707	}
2847	}	3708	}
2848		3709
2849	sub write_runtime {	3710	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3711	my $t0 = AE::time;
2851		3712
2852	# first touch the runtime file to show we are still running:	3713	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3714	# the fsync below can take a very very long time.
2854		3715
2855	IO::AIO::aio_utime $runtime, undef, undef;	3716	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3717
2857	my $guard = cf::lock_acquire "write_runtime";	3718	my $guard = cf::lock_acquire "write_runtime";
2858		3719
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3720	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2860	or return;	3721	or return;
2861		3722
2862	my $value = $cf::RUNTIME + 90 + 10;	3723	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3724	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3725	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3735	aio_utime $fh, undef, undef;
2875		3736
2876	close $fh	3737	close $fh
2877	or return;	3738	or return;
2878		3739
2879	aio_rename "$runtime~", $runtime	3740	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3741	and return;
2881		3742
2882	warn "runtime file written.\n";	3743	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2883		3744
2884	1	3745	1
		3746	}
		3747
		3748	our $uuid_lock;
		3749	our $uuid_skip;
		3750
		3751	sub write_uuid_sync($) {
		3752	$uuid_skip ||= $_[0];
		3753
		3754	return if $uuid_lock;
		3755	local $uuid_lock = 1;
		3756
		3757	my $uuid = "$LOCALDIR/uuid";
		3758
		3759	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3760	or return;
		3761
		3762	my $value = uuid_seq uuid_cur;
		3763
		3764	unless ($value) {
		3765	info "cowardly refusing to write zero uuid value!\n";
		3766	return;
		3767	}
		3768
		3769	my $value = uuid_str $value + $uuid_skip;
		3770	$uuid_skip = 0;
		3771
		3772	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3773	and return;
		3774
		3775	# always fsync - this file is important
		3776	aio_fsync $fh
		3777	and return;
		3778
		3779	close $fh
		3780	or return;
		3781
		3782	aio_rename "$uuid~", $uuid
		3783	and return;
		3784
		3785	trace "uuid file written ($value).\n";
		3786
		3787	1
		3788
		3789	}
		3790
		3791	sub write_uuid($$) {
		3792	my ($skip, $sync) = @_;
		3793
		3794	$sync ? write_uuid_sync $skip
		3795	: async { write_uuid_sync $skip };
2885	}	3796	}
2886		3797
2887	sub emergency_save() {	3798	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3799	my $freeze_guard = cf::freeze_mainloop;
2889		3800
2890	warn "enter emergency perl save\n";	3801	info "emergency_perl_save: enter\n";
		3802
		3803	# this is a trade-off: we want to be very quick here, so
		3804	# save all maps without fsync, and later call a global sync
		3805	# (which in turn might be very very slow)
		3806	local $USE_FSYNC = 0;
2891		3807
2892	cf::sync_job {	3808	cf::sync_job {
		3809	cf::write_runtime_sync; # external watchdog should not bark
		3810
2893	# use a peculiar iteration method to avoid tripping on perl	3811	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3812	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3813	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3814	info "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3815	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3816	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3817	$pl->valid or next;
		3818	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3819	$pl->save;
2901	}	3820	}
2902	warn "end emergency player save\n";	3821	info "emergency_perl_save: end player save\n";
2903		3822
2904	warn "begin emergency map save\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin map save\n";
2905	for my $path (keys %cf::MAP) {	3826	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3827	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3828	$map->valid or next;
2908	$map->save;	3829	$map->save;
2909	}	3830	}
2910	warn "end emergency map save\n";	3831	info "emergency_perl_save: end map save\n";
2911		3832
2912	warn "begin emergency database checkpoint\n";	3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	info "emergency_perl_save: begin database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3836	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3837	info "emergency_perl_save: end database checkpoint\n";
		3838
		3839	info "emergency_perl_save: begin write uuid\n";
		3840	write_uuid_sync 1;
		3841	info "emergency_perl_save: end write uuid\n";
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: syncing database to disk";
		3846	BDB::db_env_txn_checkpoint $DB_ENV;
		3847
		3848	info "emergency_perl_save: starting sync\n";
		3849	IO::AIO::aio_sync sub {
		3850	info "emergency_perl_save: finished sync\n";
		3851	};
		3852
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
		3855	trace "emergency_perl_save: flushing outstanding aio requests";
		3856	while (IO::AIO::nreqs || BDB::nreqs) {
		3857	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3858	}
		3859
		3860	cf::write_runtime_sync; # external watchdog should not bark
2915	};	3861	};
2916		3862
2917	warn "leave emergency perl save\n";	3863	info "emergency_perl_save: leave\n";
2918	}	3864	}
2919		3865
2920	sub post_cleanup {	3866	sub post_cleanup {
2921	my ($make_core) = @_;	3867	my ($make_core) = @_;
2922		3868
		3869	IO::AIO::flush;
		3870
2923	warn Carp::longmess "post_cleanup backtrace"	3871	error Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3872	if $make_core;
		3873
		3874	my $fh = pidfile;
		3875	unlink $PIDFILE if <$fh> == $$;
		3876	}
		3877
		3878	# a safer delete_package, copied from Symbol
		3879	sub clear_package($) {
		3880	my $pkg = shift;
		3881
		3882	# expand to full symbol table name if needed
		3883	unless ($pkg =~ /^main::.*::$/) {
		3884	$pkg = "main$pkg" if $pkg =~ /^::/;
		3885	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3886	$pkg .= '::' unless $pkg =~ /::$/;
		3887	}
		3888
		3889	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3890	my $stem_symtab = *{$stem}{HASH};
		3891
		3892	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3893	or return;
		3894
		3895	# clear all symbols
		3896	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3897	for my $name (keys %$leaf_symtab) {
		3898	_gv_clear *{"$pkg$name"};
		3899	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3900	}
2925	}	3901	}
2926		3902
2927	sub do_reload_perl() {	3903	sub do_reload_perl() {
2928	# can/must only be called in main	3904	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3905	unless (in_main) {
2930	warn "can only reload from main coroutine";	3906	error "can only reload from main coroutine";
2931	return;	3907	return;
2932	}	3908	}
2933		3909
2934	warn "reloading...";	3910	return if $RELOAD++;
2935		3911
2936	warn "entering sync_job";	3912	my $t1 = AE::time;
2937		3913
		3914	while ($RELOAD) {
		3915	cf::get_slot 0.1, -1, "reload_perl";
		3916	info "perl_reload: reloading...";
		3917
		3918	trace "perl_reload: entering sync_job";
		3919
2938	cf::sync_job {	3920	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark
2940	cf::emergency_save;	3921	#cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark
2942		3922
2943	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;
2945
2946	# if anything goes wrong in here, we should simply crash as we already saved
2947
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;
2959	warn "iterate...";
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";	3923	trace "perl_reload: cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();	3925	%EXT_CORO = ();
2967		3926
2968	warn "removing commands";	3927	trace "perl_reload: removing commands";
2969	%COMMAND = ();	3928	%COMMAND = ();
2970		3929
2971	warn "removing ext/exti commands";	3930	trace "perl_reload: removing ext/exti commands";
2972	%EXTCMD = ();	3931	%EXTCMD = ();
2973	%EXTICMD = ();	3932	%EXTICMD = ();
2974		3933
2975	warn "unloading/nuking all extensions";	3934	trace "perl_reload: unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2978		3937
2979	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2980	eval {	3939	eval {
2981	$cb->($pkg);	3940	$cb->($pkg);
2982	1	3941	1
2983	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2984	}	3947	}
2985		3948
2986	warn "... nuking $pkg";
2987	Symbol::delete_package $pkg;
2988	}
2989
2990	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2991	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3952
2994	warn "... unloading $k";	3953	trace "... unloading $k";
2995	delete $INC{$k};	3954	delete $INC{$k};
2996		3955
2997	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2999		3958
3000	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
3001	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
3002	}	3964	}
3003		3965
3004	Symbol::delete_package $k;
3005	}
3006
3007	warn "getting rid of safe::, as good as possible";	3966	trace "perl_reload: getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		3969
3011	warn "unloading cf.pm \"a bit\"";	3970	trace "perl_reload: unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3014		3973
3015	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3975	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
3018		3977
3019	warn "unload completed, starting to reload now";	3978	info "perl_reload: unload completed, starting to reload now";
3020		3979
3021	warn "reloading cf.pm";	3980	trace "perl_reload: reloading cf.pm";
3022	require cf;	3981	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
3024		3983
3025	warn "loading config and database again";	3984	trace "perl_reload: loading config and database again";
3026	cf::cfg_load;	3985	cf::reload_config;
3027		3986
3028	warn "loading extensions";	3987	trace "perl_reload: loading extensions";
3029	cf::load_extensions;	3988	cf::load_extensions;
3030		3989
		3990	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	3991	trace "perl_reload: reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3993	trace "perl_reload: reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3995	trace "perl_reload: reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
3037		3998
3038	warn "leaving sync_job";	3999	cf::_post_init 1;
3039		4000
		4001	trace "perl_reload: leaving sync_job";
		4002
3040	1	4003	1
3041	} or do {	4004	} or do {
3042	warn $@;	4005	error $@;
3043	warn "error while reloading, exiting.";	4006	cf::cleanup "perl_reload: error, exiting.";
3044	exit 1;	4007	};
		4008
		4009	--$RELOAD;
3045	};	4010	}
3046		4011
3047	warn "reloaded";	4012	$t1 = AE::time - $t1;
		4013	info "perl_reload: completed in ${t1}s\n";
3048	};	4014	};
3049		4015
3050	our $RELOAD_WATCHER; # used only during reload	4016	our $RELOAD_WATCHER; # used only during reload
3051		4017
3052	sub reload_perl() {	4018	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	4019	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	4020	# coro crashes during coro_state_free->destroy here.
3055		4021
3056	$RELOAD_WATCHER ||= Event->timer (	4022	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	4023	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	4024
3059	data => WF_AUTOCANCEL,	4025	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	4026	do_reload_perl;
3062	undef $RELOAD_WATCHER;	4027	undef $RELOAD_WATCHER;
3063	},	4028	};
3064	);	4029	};
3065	}	4030	}
3066		4031
3067	register_command "reload" => sub {	4032	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	4033	my ($who, $arg) = @_;
3069		4034
3070	if ($who->flag (FLAG_WIZ)) {	4035	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	4036	$who->message ("reloading server.");
		4037	async {
		4038	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	4039	reload_perl;
		4040	};
3073	}	4041	}
3074	};	4042	};
3075		4043
3076	unshift @INC, $LIBDIR;	4044	#############################################################################
3077		4045
3078	my $bug_warning = 0;	4046	my $bug_warning = 0;
3079		4047
3080	our @WAIT_FOR_TICK;	4048	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	4049	our @WAIT_FOR_TICK_BEGIN;
3082		4050
3083	sub wait_for_tick {	4051	sub wait_for_tick() {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	4052	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3086		4053
3087	my $signal = new Coro::Signal;	4054	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	4055	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	4056	$signal->wait;
3090	}	4057	}
3091		4058
3092	sub wait_for_tick_begin {	4059	sub wait_for_tick_begin() {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	4060	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3095		4061
3096	my $signal = new Coro::Signal;	4062	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	4063	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	4064	$signal->wait;
3099	}	4065	}
3100		4066
3101	my $min = 1e6;#d#	4067	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	4068	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4069	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	4070	unless ++$bug_warning > 10;
3113	return;	4071	return;
3114	}	4072	}
3115		4073
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	4074	cf::server_tick; # one server iteration
3119		4075
3120	0 && sync_job {#d#	4076	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3121	for(1..10) {
3122	my $t = Event::time;
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3124	or die;
3125		4077
3126	$map->width (50);	4078	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127	$map->height (50);	4079	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128	$map->alloc;	4080	Coro::async_pool {
3129	$map->_load_objects ("/tmp/x.map", 1);	4081	$Coro::current->{desc} = "runtime saver";
3130	my $t = Event::time - $t;	4082	write_runtime_sync
3131		4083	or error "ERROR: unable to write runtime file: $!";
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	4084	};
		4085	}
3142		4086
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4087	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	4088	$sig->send;
3159	}	4089	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	4090	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	4091	$sig->send;
3162	}	4092	}
3163		4093
3164	$NOW = Event::time;	4094	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4095	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		4096
3175	_post_tick;	4097	if (0) {
3176		4098	if ($NEXT_TICK) {
3177		4099	my $jitter = $TICK_START - $NEXT_TICK;
		4100	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4101	debug "jitter $JITTER\n";#d#
		4102	}
3178	},	4103	}
3179	);	4104	}
3180		4105
3181	{	4106	{
3182	BDB::max_poll_time $TICK * 0.1;	4107	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	4108
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	4109	BDB::min_parallel 16;
3192		4110	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	4111	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		4112
3208	unless ($DB_ENV) {	4113	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	4114	$DB_ENV = BDB::db_env_create;
		4115	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4116	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4117	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4118	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4119	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		4120
3211	cf::sync_job {	4121	cf::sync_job {
3212	eval {	4122	eval {
3213	BDB::db_env_open	4123	BDB::db_env_open
3214	$DB_ENV,	4124	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4126	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4127	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	4128	0666;
3219		4129
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4130	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	4131	};
3225		4132
3226	cf::cleanup "db_env_open(db): $@" if $@;	4133	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	4134	};
3228	}	4135	}
		4136
		4137	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4138	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4139	};
		4140	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4141	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4142	};
		4143	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4144	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4145	};
3229	}	4146	}
3230		4147
3231	{	4148	{
		4149	# configure IO::AIO
		4150
3232	IO::AIO::min_parallel 8;	4151	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	4152	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	4153	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	4154	}
3245		4155
3246	my $_log_backtrace;	4156	our $_log_backtrace;
		4157	our $_log_backtrace_last;
3247		4158
3248	sub _log_backtrace {	4159	sub _log_backtrace {
3249	my ($msg, @addr) = @_;	4160	my ($msg, @addr) = @_;
3250		4161
3251	$msg =~ s/\n//;	4162	$msg =~ s/\n$//;
3252		4163
		4164	if ($_log_backtrace_last eq $msg) {
		4165	LOG llevInfo, "[ABT] $msg\n";
		4166	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3253	# limit the # of concurrent backtraces	4167	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	4168	} elsif ($_log_backtrace < 2) {
		4169	$_log_backtrace_last = $msg;
3255	++$_log_backtrace;	4170	++$_log_backtrace;
		4171	my $perl_bt = Carp::longmess $msg;
3256	async {	4172	async {
		4173	$Coro::current->{desc} = "abt $msg";
		4174
3257	my @bt = fork_call {	4175	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	4176	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4177	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4178	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	4179	or die "addr2line: $!";
…		…
3269	}	4187	}
3270		4188
3271	@funcs	4189	@funcs
3272	};	4190	};
3273		4191
3274	LOG llevInfo, "[ABT] $msg\n";	4192	LOG llevInfo, "[ABT] $perl_bt\n";
		4193	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	4194	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	4195	--$_log_backtrace;
3277	};	4196	};
3278	} else {	4197	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	4198	LOG llevInfo, "[ABT] $msg\n";
3280	LOG llevInfo, "[ABT] [suppressed]\n";	4199	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3281	}	4200	}
3282	}	4201	}
3283		4202
3284	# load additional modules	4203	# load additional modules
3285	use cf::pod;	4204	require "cf/$_.pm" for @EXTRA_MODULES;
		4205	cf::_connect_to_perl_2;
3286		4206
3287	END { cf::emergency_save }	4207	END { cf::emergency_save }
3288		4208
3289	1	4209	1
3290		4210

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