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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.306 by root, Sat Jul 14 14:33:30 2007 UTC vs.
Revision 1.551 by root, Sun May 16 13:48:07 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;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	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;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	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 $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	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::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	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
169	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
170	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.
171		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
172	=back	258	=back
173		259
174	=cut	260	=cut
175		261
176	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
177	*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 {
178	my $msg = join "", @_;	269	my $msg = join "", @_;
179		270
180	$msg .= "\n"	271	$msg .= "\n"
181	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
182		273
183	$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;
184		275
185	utf8::encode $msg;
186	LOG llevError, $msg;	276	LOG llevWarn, $msg;
187	};	277	};
188	}	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	};
189		292
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	303	for my $pkg (qw(
201	cf::global cf::attachable	304	cf::global cf::attachable
202	cf::object cf::object::player	305	cf::object cf::object::player
203	cf::client cf::player	306	cf::client cf::player
204	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
205	cf::map cf::party cf::region	309	cf::party cf::region
206	)) {	310	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	312	}
210		313
211	$Event::DIED = sub {	314	$EV::DIED = sub {
212	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
213	};	316	};
214		317
215	#############################################################################	318	#############################################################################
216		319
217	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
239	$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;
240	$d	343	$d
241	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
242	}	345	}
243		346
244	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
245		348
246	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
247		350
248	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
249		352
250	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
251		354
252	=cut	355	=cut
253		356
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		358
256	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
257	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	}
258		404
259	=item cf::lock_wait $string	405	=item cf::lock_wait $string
260		406
261	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
262		408
263	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
264		410
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
268	returned.	414	returned.
269		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
270	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
271	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
272		421
273	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
274		423
275	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.
276		425
277	=cut	426	=cut
278		427
279	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
280		429
281	sub lock_wait($) {	430	sub lock_wait($) {
282	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	432	}
290		433
291	sub lock_acquire($) {	434	sub lock_acquire($) {
292	my ($key) = @_;	435	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	436	}
304		437
305	sub lock_active($) {	438	sub lock_active($) {
306	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	440	}
310		441
311	sub freeze_mainloop {	442	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
313		444
314	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
315	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
316	};	512	}
317	$TICK_WATCHER->stop;	513	};
318	$guard	514
		515	sub get_slot($;$$) {
		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	$sig->wait;
319	}	528	}
320		529
321	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
322		531
323	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		537
329	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
330		539
331	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
332		541
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	545	acceptable.
337		546
338	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	552	=cut
344		553
345	sub sync_job(&) {	554	sub sync_job(&) {
346	my ($job) = @_;	555	my ($job) = @_;
347		556
348	if ($Coro::current == $Coro::main) {	557	if (in_main) {
349	my $time = Event::time;	558	my $time = AE::time;
350		559
351	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
353		562
354	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	564
356	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
357		566
358	my $busy = 1;	567	my $busy = 1;
359	my @res;	568	my @res;
360		569
361	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	572	@res = eval { $job->() };
363	warn $@ if $@;	573	error $@ if $@;
364	undef $busy;	574	undef $busy;
365	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
366		576
367	while ($busy) {	577	while ($busy) {
368	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
369	}	582	}
		583	}
370		584
371	$time = Event::time - $time;	585	my $time = AE::time - $time;
372		586
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
377		588
378	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
379	} else {	590	} else {
380	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
381		592
…		…
401	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
402		613
403	$coro	614	$coro
404	}	615	}
405		616
406	=item fork_call { }, $args	617	=item fork_call { }, @args
407		618
408	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
409	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
410	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
411	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
412		623
413	=cut	624	=cut
414		625
415	sub _store_scalar {	626	sub post_fork {
416	open my $fh, ">", \my $buf	627	reset_signals;
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}	628	}
423		629
424	sub fork_call(&@) {	630	sub fork_call(&@) {
425	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
426		632
427	# 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,
428	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		636
432	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
433	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
434		641
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
436	warn "pst<$res>" unless $res =~ /^pst/;	643	}
437	$res = Coro::Storable::thaw $res;
438		644
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;
446	local $SIG{__WARN__};
447	local $SIG{__DIE__};
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453
454	eval {
455	close $fh1;
456
457	my @res = eval { $cb->(@args) };
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	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
466	}	681	}
467		682
468	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
469		684
470	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
473		688
474	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
475	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).
476		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
477	=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	}
478		718
479	our $DB;	719	our $DB;
480		720
481	sub db_init {	721	sub db_init {
482	unless ($DB) {	722	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}
496	}	723	}
497		724
498	sub db_get($$) {	725	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
500		727
501	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
502	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
503		732
504	$! ? ()	733	$! ? ()
505	: $data	734	: $data
506	}
507	}	735	}
508		736
509	sub db_put($$$) {	737	sub db_put($$$) {
510	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
550	if (1) {	778	if (1) {
551	$md5 =	779	$md5 =
552	join "\x00",	780	join "\x00",
553	$processversion,	781	$processversion,
554	map {	782	map {
555	Coro::cede;	783	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	785	} 0.. $#$src;
558		786
559		787
560	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		795
568	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	797	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
571		799
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		801
574	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
577		805
…		…
587		815
588	=cut	816	=cut
589		817
590	sub datalog($@) {	818	sub datalog($@) {
591	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	821	}
594		822
595	=back	823	=back
596		824
597	=cut	825	=cut
598		826
599	#############################################################################	827	#############################################################################
600		828
601	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
602		830
603	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
604	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")
605	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
606		834
607	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>
608	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
609	Crossfire TRT).	837	Deliantra).
610		838
611	=over 4	839	=over 4
612		840
613	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
614		842
…		…
658	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
659		887
660	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
661	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
662		890
663	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
664	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.
665		893
666	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
667		895
668	=over 4	896	=over 4
…		…
792		1020
793	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		1023
796	} elsif (ref $type) {	1024	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
798		1026
799	} else {	1027	} else {
800	shift @arg;	1028	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
802	}	1030	}
803	}	1031	}
804	}	1032	}
805		1033
806	sub _object_attach {	1034	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
817	}	1045	}
818		1046
819	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
820	} else {	1048	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1050	}
823		1051
824	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
825	}	1053	}
826		1054
…		…
866	";	1094	";
867	die if $@;	1095	die if $@;
868	}	1096	}
869		1097
870	our $override;	1098	our $override;
871	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?
872		1100
873	sub override {	1101	sub override {
874	$override = 1;	1102	$override = 1;
875	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
876	}	1104	}
877		1105
878	sub do_invoke {	1106	sub do_invoke {
879	my $event = shift;	1107	my $event = shift;
880	my $callbacks = shift;	1108	my $callbacks = shift;
881		1109
882	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
883		1111
884	local $override;	1112	local $override;
885		1113
886	for (@$callbacks) {	1114	for (@$callbacks) {
887	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
888		1116
889	if ($@) {	1117	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1119	override;
893	}	1120	}
894		1121
895	return 1 if $override;	1122	return 1 if $override;
896	}	1123	}
897		1124
898	0	1125	0
899	}	1126	}
900		1127
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1129
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1131
905	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
906		1133
907	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
908	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
909	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1137
911	=back	1138	=back
912		1139
913	=cut	1140	=cut
914		1141
915	#############################################################################	1142	#############################################################################
916	# 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	}
917		1186
918	sub reattach {	1187	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1189	my ($obj) = @_;
921		1190
		1191	# no longer needed after getting rid of delete_package?
922	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
923		1193
924	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
925		1195
926	@$registry = ();	1196	@$registry = ();
927		1197
…		…
932	for (@$attach) {	1202	for (@$attach) {
933	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
935	}	1205	}
936	} else {	1206	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1208	}
939	}	1209	}
940	}	1210	}
941		1211
942	cf::attachable->attach (	1212	cf::attachable->attach (
943	prio => -1000000,	1213	prio => -1000000,
944	on_instantiate => sub {	1214	on_instantiate => sub {
945	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
946		1216
947	$data = from_json $data;	1217	$data = decode_json $data;
948		1218
949	for (@$data) {	1219	for (@$data) {
950	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
951		1221
952	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1238	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
970		1240
971	sync_job {	1241	sync_job {
972	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
975		1247
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	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	}
980	close $fh;	1255	aio_close $fh;
981		1256
982	if (@$objs) {	1257	if (@$objs) {
983	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) {
984	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
987	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	}
988	close $fh;	1266	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
990	}	1268	}
991	} else {	1269	} else {
992	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
993	}	1271	}
994		1272
995	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1277	} else {
997	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
998	}	1279	}
999	} else {	1280	} else {
1000	aio_unlink $filename;	1281	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1002	}	1283	}
1003	}	1284	};
1004	}	1285	}
1005		1286
1006	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1008		1289
…		…
1020	or return;	1301	or return;
1021		1302
1022	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1305	or return;
		1306
1025	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1026	}	1309	}
1027		1310
		1311	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1030	return ($data, $av);	1316	($data, $av)
1031	}	1317	}
1032		1318
1033	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1034		1320
1035	=over 4	1321	=over 4
…		…
1089	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1090		1376
1091	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1092	}	1378	}
1093		1379
		1380	use File::Glob ();
		1381
1094	cf::player->attach (	1382	cf::player->attach (
1095	on_command => sub {	1383	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1097		1385
1098	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1099	or return;	1387	or return;
1100		1388
…		…
1108	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1109		1397
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1399
1112	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
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1118	} else {	1415	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1417	}
1121		1418
1122	cf::override;	1419	cf::override;
1123	},	1420	},
1124	);	1421	);
1125		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
1126	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1127	cf::sync_job {	1439	cf::sync_job {
1128	my %todo;	1440	my %todo;
1129		1441
1130	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1443	next unless -r $path;
…		…
1149		1461
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1464
1153	$ext{source} =	1465	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1156	. $source	1468	. $source
1157	. "\n};\n1";	1469	. "\n};\n1";
1158		1470
1159	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1160	}	1472	}
1161		1473
		1474	my $pass = 0;
1162	my %done;	1475	my %done;
1163	while (%todo) {	1476	while (%todo) {
1164	my $progress;	1477	my $progress;
1165		1478
		1479	++$pass;
		1480
		1481	ext:
1166	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1484	next ext
1169	unless exists $done{$_};	1485	unless exists $done{$_};
1170	}	1486	}
1171		1487
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1489
1174	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1179	warn $msg;	1497
1180	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1499	delete $todo{$k};
1182	}	1500	} else {
1183		1501	$done{$k} = delete $todo{$k};
1184	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1185	}	1507	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1508	}
1191		1509
1192	skip:	1510	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	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	}
1195	}	1518	}
1196	};	1519	};
1197	}	1520	}
1198		1521
1199	#############################################################################	1522	#############################################################################
1200		1523
1201	=back	1524	=back
1202		1525
1203	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1204		1527
1205	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1206		1529
1207	=cut	1530	=cut
1208		1531
1209	package cf::player;	1532	package cf::player;
1210		1533
1211	use Coro::AIO;	1534	use Coro::AIO;
1212		1535
1213	=head3 cf::player	1536	=head3 cf::player
1214		1537
1215	=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	}
1216		1553
1217	=item cf::player::find $login	1554	=item cf::player::find $login
1218		1555
1219	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1220		1557
…		…
1239		1576
1240	sub exists($) {	1577	sub exists($) {
1241	my ($login) = @_;	1578	my ($login) = @_;
1242		1579
1243	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1245	}	1582	}
1246		1583
1247	sub find($) {	1584	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1586	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1597
1261	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1262	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;
1263	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1264	}	1607	}
1265	}	1608	}
1266	}	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	);
1267		1623
1268	sub save($) {	1624	sub save($) {
1269	my ($pl) = @_;	1625	my ($pl) = @_;
1270		1626
1271	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1277		1633
1278	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1280		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
1281	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1282	Coro::cede;	1643	cf::cede_to_tick;
1283	}	1644	}
1284		1645
1285	sub new($) {	1646	sub new($) {
1286	my ($login) = @_;	1647	my ($login) = @_;
1287		1648
…		…
1293	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1294		1655
1295	$self	1656	$self
1296	}	1657	}
1297		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
1298	=item $pl->quit_character	1669	=item $pl->quit_character
1299		1670
1300	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
1301	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1302		1673
…		…
1306	my ($pl) = @_;	1677	my ($pl) = @_;
1307		1678
1308	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1309		1680
1310	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1311	$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
1312		1683
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1314	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1316	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1317		1692
1318	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1320	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1355	or return [];	1730	or return [];
1356		1731
1357	my @logins;	1732	my @logins;
1358		1733
1359	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") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1363		1744
1364	utf8::decode $login;	1745	utf8::decode $login;
1365	push @logins, $login;	1746	push @logins, $login;
1366	}	1747	}
1367		1748
1368	\@logins	1749	\@logins
1369	}	1750	}
1370		1751
1371	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1372		1755
1373	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1374	player. May block.	1757	player. May block.
1375		1758
1376	=cut	1759	=cut
…		…
1394	}	1777	}
1395		1778
1396	\@paths	1779	\@paths
1397	}	1780	}
1398		1781
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1783
1401	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1402		1785
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1450		1787
1451	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1452		1789
1453	=cut	1790	=cut
1454		1791
1455	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1457		1794
1458	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1796	}
1461		1797
1462	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1463		1799
1464	Sends an ext event to the client.	1800	Sends an ext event to the client.
1465		1801
1466	=cut	1802	=cut
1467		1803
1468	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1470		1806
1471	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1472	}	1808	}
1473		1809
1474	=head3 cf::region	1810	=head3 cf::region
1475		1811
1476	=over 4	1812	=over 4
…		…
1485		1821
1486	=cut	1822	=cut
1487		1823
1488	sub find_by_path($) {	1824	sub find_by_path($) {
1489	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1490		1828
1491	my ($match, $specificity);	1829	my ($match, $specificity);
1492		1830
1493	for my $region (list) {	1831	for my $region (list) {
1494	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1520	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1522		1860
1523	sub generate_random_map {	1861	sub generate_random_map {
1524	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
1525	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1867	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1548		1889
1549	sub register {	1890	sub register {
1550	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1892	my $pkg = caller;
1552		1893
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1895
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1897	}
1558		1898
1559	# also paths starting with '/'	1899	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1901
1562	sub thawer_merge {	1902	sub thawer_merge {
1563	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1564		1904
1565	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1570	}	1910	}
1571		1911
1572	sub normalise {	1912	sub normalise {
1573	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1574		1914
1575	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1576		1916
1577	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1578		1918
1579	# map plan:	1919	# map plan:
1580	#	1920	#
…		…
1595	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	1936	$path = "$base/$path";
1597	}	1937	}
1598		1938
1599	for ($path) {	1939	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1603	}	1942	}
1604		1943
1605	$path	1944	$path
…		…
1619	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1620	return $self;	1959	return $self;
1621	}	1960	}
1622	}	1961	}
1623		1962
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	1964	()
1626	}	1965	}
1627		1966
1628	sub init {	1967	sub init {
1629	my ($self) = @_;	1968	my ($self) = @_;
…		…
1651		1990
1652	# the temporary/swap location	1991	# the temporary/swap location
1653	sub save_path {	1992	sub save_path {
1654	my ($self) = @_;	1993	my ($self) = @_;
1655		1994
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1996	"$TMPDIR/$path.map"
1658	}	1997	}
1659		1998
1660	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1661	sub uniq_path {	2000	sub uniq_path {
1662	my ($self) = @_;	2001	my ($self) = @_;
1663		2002
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	2004	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	2005	}
1676		2006
1677	sub decay_objects {	2007	sub decay_objects {
1678	my ($self) = @_;	2008	my ($self) = @_;
1679		2009
…		…
1692		2022
1693	sub load_header_from($) {	2023	sub load_header_from($) {
1694	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1695		2025
1696	utf8::encode $path;	2026	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	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;
1702		2035
1703	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1704		2037
1705	1	2038	1
1706	}	2039	}
…		…
1758		2091
1759	sub find;	2092	sub find;
1760	sub find {	2093	sub find {
1761	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1762		2095
		2096	cf::cede_to_tick;
		2097
1763	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1764		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2102
1767	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1770	or return;	2105	or return;
1771		2106
1772	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1773		2108
…		…
1775	or return;	2110	or return;
1776		2111
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1780	$map->reset;	2117	$map->reset;
1781	undef $guard;
1782	return find $path;	2118	return find $path;
1783	}	2119	}
1784		2120
1785	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1786	}	2122	}
1787	}	2123	}
1788		2124
1789	sub pre_load { }	2125	sub pre_load { }
1790	sub post_load { }	2126	#sub post_load { } # XS
1791		2127
1792	sub load {	2128	sub load {
1793	my ($self) = @_;	2129	my ($self) = @_;
1794		2130
1795	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1796		2132
1797	my $path = $self->{path};	2133	my $path = $self->{path};
1798		2134
1799	{	2135	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1801		2137
		2138	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2140
1804	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1805		2142
1806	$self->alloc;	2143	$self->alloc;
1807		2144
1808	$self->pre_load;	2145	$self->pre_load;
1809	Coro::cede;	2146	cf::cede_to_tick;
1810		2147
		2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2150	$self->_load_objects ($f)
1812	or return;	2151	or return;
1813		2152
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1815	if delete $self->{load_original};	2154	if delete $self->{load_original};
1816		2155
1817	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2157	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2160	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1822	}	2164	}
1823	}	2165	}
1824		2166
1825	Coro::cede;	2167	$f->resolve_delayed_derefs;
		2168
		2169	cf::cede_to_tick;
1826	# now do the right thing for maps	2170	# now do the right thing for maps
1827	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2173	unless $self->difficulty;
1830	Coro::cede;	2174	cf::cede_to_tick;
1831		2175
1832	unless ($self->{deny_activate}) {	2176	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2177	$self->decay_objects;
1834	$self->fix_auto_apply;	2178	$self->fix_auto_apply;
1835	$self->update_buttons;	2179	$self->update_buttons;
1836	Coro::cede;	2180	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2181	$self->activate;
1840	}	2182	}
1841		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2188	}
1844		2189
1845	$self->post_load;	2190	$self->post_load;
1846	}	2191	}
1847		2192
		2193	# customize the map for a given player, i.e.
		2194	# return the _real_ map. used by e.g. per-player
		2195	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2196	sub customise_for {
1849	my ($self, $ob) = @_;	2197	my ($self, $ob) = @_;
1850		2198
1851	return find "~" . $ob->name . "/" . $self->{path}	2199	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2200	if $self->per_player;
…		…
1856		2204
1857	$self	2205	$self
1858	}	2206	}
1859		2207
1860	# find and load all maps in the 3x3 area around a map	2208	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2209	sub load_neighbours {
1862	my ($map) = @_;	2210	my ($map) = @_;
1863		2211
1864	my @diag; # diagonal neighbours	2212	my @neigh; # diagonal neighbours
1865		2213
1866	for (0 .. 3) {	2214	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2215	my $neigh = $map->tile_path ($_)
1868	or next;	2216	or next;
1869	$neigh = find $neigh, $map	2217	$neigh = find $neigh, $map
1870	or next;	2218	or next;
1871	$neigh->load;	2219	$neigh->load;
1872		2220
		2221	# now find the diagonal neighbours
		2222	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2223	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2224	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2225	}
1876		2226
1877	for (@diag) {	2227	for (grep defined $_->[0], @neigh) {
		2228	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2229	my $neigh = find $path, $origin
1879	or next;	2230	or next;
1880	$neigh->load;	2231	$neigh->load;
1881	}	2232	}
1882	}	2233	}
1883		2234
1884	sub find_sync {	2235	sub find_sync {
1885	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1886		2237
1887	cf::sync_job { find $path, $origin }	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	find $path, $origin
1888	}	2242	}
1889		2243
1890	sub do_load_sync {	2244	sub do_load_sync {
1891	my ($map) = @_;	2245	my ($map) = @_;
1892		2246
1893	cf::sync_job { $map->load };	2247	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2248	if $Coro::current == $Coro::main;
		2249
		2250	$map->load;
1894	}	2251	}
1895		2252
1896	our %MAP_PREFETCH;	2253	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2254	our $MAP_PREFETCHER = undef;
1898		2255
1899	sub find_async {	2256	sub find_async {
1900	my ($path, $origin) = @_;	2257	my ($path, $origin, $load) = @_;
1901		2258
1902	$path = normalise $path, $origin && $origin->{path};	2259	$path = normalise $path, $origin && $origin->{path};
1903		2260
1904	if (my $map = $cf::MAP{$path}) {	2261	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2262	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2263	}
1907		2264
1908	undef $MAP_PREFETCH{$path};	2265	$MAP_PREFETCH{$path} |= $load;
		2266
1909	$MAP_PREFETCHER ||= cf::async {	2267	$MAP_PREFETCHER ||= cf::async {
		2268	$Coro::current->{desc} = "map prefetcher";
		2269
1910	while (%MAP_PREFETCH) {	2270	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2271	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2272	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2273	$map->load if $v;
		2274	}
1915		2275
1916	delete $MAP_PREFETCH{$path};	2276	delete $MAP_PREFETCH{$k};
1917	}	2277	}
1918	}	2278	}
1919	undef $MAP_PREFETCHER;	2279	undef $MAP_PREFETCHER;
1920	};	2280	};
1921	$MAP_PREFETCHER->prio (6);	2281	$MAP_PREFETCHER->prio (6);
1922		2282
1923	()	2283	()
1924	}	2284	}
1925		2285
		2286	# common code, used by both ->save and ->swapout
1926	sub save {	2287	sub _save {
1927	my ($self) = @_;	2288	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2289
1931	$self->{last_save} = $cf::RUNTIME;	2290	$self->{last_save} = $cf::RUNTIME;
1932		2291
1933	return unless $self->dirty;	2292	return unless $self->dirty;
1934		2293
…		…
1940	return if $self->{deny_save};	2299	return if $self->{deny_save};
1941		2300
1942	local $self->{last_access} = $self->last_access;#d#	2301	local $self->{last_access} = $self->last_access;#d#
1943		2302
1944	cf::async {	2303	cf::async {
		2304	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2305	$_->contr->save for $self->players;
1946	};	2306	};
		2307
		2308	cf::get_slot 0.02;
1947		2309
1948	if ($uniq) {	2310	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2311	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2312	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2313	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2315	}
1954	}	2316	}
1955		2317
		2318	sub save {
		2319	my ($self) = @_;
		2320
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
		2323	$self->_save;
		2324	}
		2325
1956	sub swap_out {	2326	sub swap_out {
1957	my ($self) = @_;	2327	my ($self) = @_;
1958		2328
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2330
		2331	return if $self->in_memory != cf::MAP_ACTIVE;
		2332	return if $self->{deny_save};
1964	return if $self->players;	2333	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2334
		2335	# first deactivate the map and "unlink" it from the core
		2336	$self->deactivate;
		2337	$_->clear_links_to ($self) for values %cf::MAP;
		2338	$self->in_memory (cf::MAP_SWAPPED);
		2339
		2340	# then atomically save
		2341	$self->_save;
		2342
		2343	# then free the map
1968	$self->clear;	2344	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2345	}
1971		2346
1972	sub reset_at {	2347	sub reset_at {
1973	my ($self) = @_;	2348	my ($self) = @_;
1974		2349
…		…
1992		2367
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2369
1995	return if $self->players;	2370	return if $self->players;
1996		2371
1997	warn "resetting map ", $self->path;	2372	cf::trace "resetting map ", $self->path, "\n";
1998		2373
1999	$self->in_memory (cf::MAP_SWAPPED);	2374	$self->in_memory (cf::MAP_SWAPPED);
2000		2375
2001	# need to save uniques path	2376	# need to save uniques path
2002	unless ($self->{deny_save}) {	2377	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2381	if $uniq;
2007	}	2382	}
2008		2383
2009	delete $cf::MAP{$self->path};	2384	delete $cf::MAP{$self->path};
2010		2385
		2386	$self->deactivate;
		2387	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2388	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2389
2015	$self->unlink_save;	2390	$self->unlink_save;
2016	$self->destroy;	2391	$self->destroy;
2017	}	2392	}
2018		2393
2019	my $nuke_counter = "aaaa";	2394	my $nuke_counter = "aaaa";
2020		2395
2021	sub nuke {	2396	sub nuke {
2022	my ($self) = @_;	2397	my ($self) = @_;
2023		2398
		2399	{
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
2024	delete $cf::MAP{$self->path};	2402	delete $cf::MAP{$self->path};
2025		2403
2026	$self->unlink_save;	2404	$self->unlink_save;
2027		2405
2028	bless $self, "cf::map";	2406	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2407	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2408	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2409	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2410	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2411
2034	$cf::MAP{$self->path} = $self;	2412	$cf::MAP{$self->path} = $self;
		2413	}
2035		2414
2036	$self->reset; # polite request, might not happen	2415	$self->reset; # polite request, might not happen
2037	}	2416	}
2038		2417
2039	=item $maps = cf::map::tmp_maps	2418	=item $maps = cf::map::tmp_maps
…		…
2081		2460
2082	sub unique_maps() {	2461	sub unique_maps() {
2083	[	2462	[
2084	map {	2463	map {
2085	utf8::decode $_;	2464	utf8::decode $_;
2086	/\.map$/	2465	s/\.map$//; # TODO future compatibility hack
		2466	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2467	? ()
2087	? normalise $_	2468	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2469	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2470	]
2091	}	2471	}
2092		2472
2093	package cf;	2473	=item cf::map::static_maps
		2474
		2475	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2476	file in the shared directory excluding F</styles> and F</editor>). May
		2477	block.
		2478
		2479	=cut
		2480
		2481	sub static_maps() {
		2482	my @dirs = "";
		2483	my @maps;
		2484
		2485	while (@dirs) {
		2486	my $dir = shift @dirs;
		2487
		2488	next if $dir eq "/styles" || $dir eq "/editor";
		2489
		2490	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2491	or return;
		2492
		2493	for (@$files) {
		2494	s/\.map$// or next;
		2495	utf8::decode $_;
		2496	push @maps, "$dir/$_";
		2497	}
		2498
		2499	push @dirs, map "$dir/$_", @$dirs;
		2500	}
		2501
		2502	\@maps
		2503	}
2094		2504
2095	=back	2505	=back
2096		2506
2097	=head3 cf::object	2507	=head3 cf::object
2098		2508
…		…
2102		2512
2103	=over 4	2513	=over 4
2104		2514
2105	=item $ob->inv_recursive	2515	=item $ob->inv_recursive
2106		2516
2107	Returns the inventory of the object _and_ their inventories, recursively.	2517	Returns the inventory of the object I<and> their inventories, recursively,
		2518	but I<not> the object itself.
2108		2519
2109	=cut	2520	=cut
2110		2521
2111	sub inv_recursive_;	2522	sub inv_recursive_;
2112	sub inv_recursive_ {	2523	sub inv_recursive_ {
…		…
2115		2526
2116	sub inv_recursive {	2527	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2528	inv_recursive_ inv $_[0]
2118	}	2529	}
2119		2530
		2531	=item $ref = $ob->ref
		2532
		2533	Creates and returns a persistent reference to an object that can be stored as a string.
		2534
		2535	=item $ob = cf::object::deref ($refstring)
		2536
		2537	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2538	even if the object actually exists. May block.
		2539
		2540	=cut
		2541
		2542	sub deref {
		2543	my ($ref) = @_;
		2544
		2545	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2546	my ($uuid, $name) = ($1, $2);
		2547	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2548	or return;
		2549	$pl->ob->uuid eq $uuid
		2550	or return;
		2551
		2552	$pl->ob
		2553	} else {
		2554	warn "$ref: cannot resolve object reference\n";
		2555	undef
		2556	}
		2557	}
		2558
2120	package cf;	2559	package cf;
2121		2560
2122	=back	2561	=back
2123		2562
2124	=head3 cf::object::player	2563	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2569	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2570	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2571	dialogue with the given NPC character.
2133		2572
2134	=cut	2573	=cut
		2574
		2575	our $SAY_CHANNEL = {
		2576	id => "say",
		2577	title => "Map",
		2578	reply => "say ",
		2579	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2580	};
		2581
		2582	our $CHAT_CHANNEL = {
		2583	id => "chat",
		2584	title => "Chat",
		2585	reply => "chat ",
		2586	tooltip => "Player chat and shouts, global to the server.",
		2587	};
2135		2588
2136	# rough implementation of a future "reply" method that works	2589	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2590	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2591	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2592	sub cf::object::player::reply($$$;$) {
…		…
2146		2599
2147	} else {	2600	} else {
2148	my $pl = $self->contr;	2601	my $pl = $self->contr;
2149		2602
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2603	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2604	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2605	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2606
2159	} else {	2607	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2608	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2609	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2610	}
2163	}	2611	}
		2612	}
		2613
		2614	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2615
		2616	=cut
		2617
		2618	sub cf::object::send_msg {
		2619	my $pl = shift->contr
		2620	or return;
		2621	$pl->send_msg (@_);
2164	}	2622	}
2165		2623
2166	=item $player_object->may ("access")	2624	=item $player_object->may ("access")
2167		2625
2168	Returns wether the given player is authorized to access resource "access"	2626	Returns wether the given player is authorized to access resource "access"
…		…
2181		2639
2182	=item $player_object->enter_link	2640	=item $player_object->enter_link
2183		2641
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2642	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2643
2186	The player should be reasonably safe there for short amounts of time. You	2644	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2645	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2646	though, as the player cannot control the character while it is on the link
		2647	map.
2188		2648
2189	Will never block.	2649	Will never block.
2190		2650
2191	=item $player_object->leave_link ($map, $x, $y)	2651	=item $player_object->leave_link ($map, $x, $y)
2192		2652
…		…
2212	sub cf::object::player::enter_link {	2672	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2673	my ($self) = @_;
2214		2674
2215	$self->deactivate_recursive;	2675	$self->deactivate_recursive;
2216		2676
		2677	++$self->{_link_recursion};
		2678
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2679	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2680
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2682	if $self->map && $self->map->{path} ne "{link}";
2221		2683
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2684	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2685	}
2224		2686
2225	sub cf::object::player::leave_link {	2687	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2688	my ($self, $map, $x, $y) = @_;
2227		2689
…		…
2244	($x, $y) = (-1, -1)	2706	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2707	unless (defined $x) && (defined $y);
2246		2708
2247	# use -1 or undef as default coordinates, not 0, 0	2709	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2710	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2711	if $x <= 0 && $y <= 0;
2250		2712
2251	$map->load;	2713	$map->load;
2252	$map->load_diag;	2714	$map->load_neighbours;
2253		2715
2254	return unless $self->contr->active;	2716	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2717
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2718	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2719	if ($self->enter_map ($map, $x, $y)) {
2259	}	2720	# entering was successful
		2721	delete $self->{_link_recursion};
		2722	# only activate afterwards, to support waiting in hooks
		2723	$self->activate_recursive;
		2724	}
2260		2725
		2726	}
		2727
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2728	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2729
2263	Moves the player to the given map-path and coordinates by first freezing	2730	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2731	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2732	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2733	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2734	be called at the end of this process.
2268		2735
		2736	Note that $check will be called with a potentially non-loaded map, so if
		2737	it needs a loaded map it has to call C<< ->load >>.
		2738
2269	=cut	2739	=cut
2270		2740
2271	our $GOTOGEN;	2741	our $GOTOGEN;
2272		2742
2273	sub cf::object::player::goto {	2743	sub cf::object::player::goto {
2274	my ($self, $path, $x, $y, $check, $done) = @_;	2744	my ($self, $path, $x, $y, $check, $done) = @_;
2275		2745
		2746	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2747	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2748	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2749	($path, $x, $y) = @$EMERGENCY_POSITION;
		2750	}
		2751
2276	# do generation counting so two concurrent goto's will be executed in-order	2752	# do generation counting so two concurrent goto's will be executed in-order
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2753	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2754
2279	$self->enter_link;	2755	$self->enter_link;
2280		2756
2281	(async {	2757	(async {
		2758	$Coro::current->{desc} = "player::goto $path $x $y";
		2759
		2760	# *tag paths override both path and x|y
		2761	if ($path =~ /^\*(.*)$/) {
		2762	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2763	my $ob = $obs[rand @obs];
		2764
		2765	# see if we actually can go there
		2766	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2767	$ob = $obs[rand @obs];
		2768	} else {
		2769	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2770	}
		2771	# else put us there anyways for now #d#
		2772
		2773	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2774	} else {
		2775	($path, $x, $y) = (undef, undef, undef);
		2776	}
		2777	}
		2778
2282	my $map = eval {	2779	my $map = eval {
2283	my $map = cf::map::find $path;	2780	my $map = defined $path ? cf::map::find $path : undef;
2284		2781
2285	if ($map) {	2782	if ($map) {
2286	$map = $map->customise_for ($self);	2783	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2784	$map = $check->($map, $x, $y, $self) if $check && $map;
2288	} else {	2785	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2786	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2787	}
2291		2788
2292	$map	2789	$map
2293	};	2790	};
2294		2791
…		…
2300	if ($gen == $self->{_goto_generation}) {	2797	if ($gen == $self->{_goto_generation}) {
2301	delete $self->{_goto_generation};	2798	delete $self->{_goto_generation};
2302	$self->leave_link ($map, $x, $y);	2799	$self->leave_link ($map, $x, $y);
2303	}	2800	}
2304		2801
2305	$done->() if $done;	2802	$done->($self) if $done;
2306	})->prio (1);	2803	})->prio (1);
2307	}	2804	}
2308		2805
2309	=item $player_object->enter_exit ($exit_object)	2806	=item $player_object->enter_exit ($exit_object)
2310		2807
…		…
2330	}	2827	}
2331		2828
2332	sub prepare_random_map {	2829	sub prepare_random_map {
2333	my ($exit) = @_;	2830	my ($exit) = @_;
2334		2831
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2832	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2833	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2834	# that depends on the exit object
2340		2835
2341	my $rmp = parse_random_map_params $exit->msg;	2836	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2838	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2839	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2840	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2841	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2842	$rmp->{origin_y} = $exit->y;
		2843
		2844	$exit->map->touch;
2348	}	2845	}
2349		2846
2350	$rmp->{random_seed} ||= $exit->random_seed;	2847	$rmp->{random_seed} ||= $exit->random_seed;
2351		2848
2352	my $data = cf::to_json $rmp;	2849	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2850	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2851	my $meta = "$RANDOMDIR/$md5.meta";
2355		2852
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2854	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2855	undef $fh;
2359	aio_rename "$meta~", $meta;	2856	aio_rename "$meta~", $meta;
2360		2857
		2858	my $slaying = "?random/$md5";
		2859
		2860	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2861	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2862	$exit->msg (undef);
		2863	}
2363	}	2864	}
2364	}	2865	}
2365		2866
2366	sub cf::object::player::enter_exit {	2867	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2868	my ($self, $exit) = @_;
2368		2869
2369	return unless $self->type == cf::PLAYER;	2870	return unless $self->type == cf::PLAYER;
2370		2871
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2872	$self->enter_link;
2383		2873
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2874	(async {
2389	$self->deactivate_recursive; # just to be sure	2875	$Coro::current->{desc} = "enter_exit";
		2876
2390	unless (eval {	2877	unless (eval {
		2878	$self->deactivate_recursive; # just to be sure
		2879
		2880	# random map handling
		2881	{
		2882	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2883
		2884	prepare_random_map $exit
		2885	if $exit->slaying eq "/!";
		2886	}
		2887
		2888	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2889	my $x = $exit->stats->hp;
		2890	my $y = $exit->stats->sp;
		2891
2391	$self->goto ($slaying, $hp, $sp);	2892	$self->goto ($map, $x, $y);
2392		2893
		2894	# if exit is damned, update players death & WoR home-position
		2895	$self->contr->savebed ($map, $x, $y)
		2896	if $exit->flag (cf::FLAG_DAMNED);
		2897
2393	1;	2898	1
2394	}) {	2899	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2900	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	2901	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	2902	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2903	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2904
2400	warn "ERROR in enter_exit: $@";	2905	error "ERROR in enter_exit: $@";
2401	$self->leave_link;	2906	$self->leave_link;
2402	}	2907	}
2403	})->prio (1);	2908	})->prio (1);
2404	}	2909	}
2405		2910
…		…
2419		2924
2420	utf8::encode $text;	2925	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2926	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	2927	}
2423		2928
		2929	=item $client->send_big_packet ($pkt)
		2930
		2931	Like C<send_packet>, but tries to compress large packets, and fragments
		2932	them as required.
		2933
		2934	=cut
		2935
		2936	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2937
		2938	sub cf::client::send_big_packet {
		2939	my ($self, $pkt) = @_;
		2940
		2941	# try lzf for large packets
		2942	$pkt = "lzf " . Compress::LZF::compress $pkt
		2943	if 1024 <= length $pkt and $self->{can_lzf};
		2944
		2945	# split very large packets
		2946	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2947	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2948	$pkt = "frag";
		2949	}
		2950
		2951	$self->send_packet ($pkt);
		2952	}
		2953
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2954	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2955
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2956	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2957	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2958	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2959	the message unless the client supports the msg packet.
2430		2960
2431	=cut	2961	=cut
2432		2962
		2963	# non-persistent channels (usually the info channel)
		2964	our %CHANNEL = (
		2965	"c/motd" => {
		2966	id => "infobox",
		2967	title => "MOTD",
		2968	reply => undef,
		2969	tooltip => "The message of the day",
		2970	},
		2971	"c/identify" => {
		2972	id => "infobox",
		2973	title => "Identify",
		2974	reply => undef,
		2975	tooltip => "Items recently identified",
		2976	},
		2977	"c/examine" => {
		2978	id => "infobox",
		2979	title => "Examine",
		2980	reply => undef,
		2981	tooltip => "Signs and other items you examined",
		2982	},
		2983	"c/shopinfo" => {
		2984	id => "infobox",
		2985	title => "Shop Info",
		2986	reply => undef,
		2987	tooltip => "What your bargaining skill tells you about the shop",
		2988	},
		2989	"c/book" => {
		2990	id => "infobox",
		2991	title => "Book",
		2992	reply => undef,
		2993	tooltip => "The contents of a note or book",
		2994	},
		2995	"c/lookat" => {
		2996	id => "infobox",
		2997	title => "Look",
		2998	reply => undef,
		2999	tooltip => "What you saw there",
		3000	},
		3001	"c/who" => {
		3002	id => "infobox",
		3003	title => "Players",
		3004	reply => undef,
		3005	tooltip => "Shows players who are currently online",
		3006	},
		3007	"c/body" => {
		3008	id => "infobox",
		3009	title => "Body Parts",
		3010	reply => undef,
		3011	tooltip => "Shows which body parts you posess and are available",
		3012	},
		3013	"c/statistics" => {
		3014	id => "infobox",
		3015	title => "Statistics",
		3016	reply => undef,
		3017	tooltip => "Shows your primary statistics",
		3018	},
		3019	"c/skills" => {
		3020	id => "infobox",
		3021	title => "Skills",
		3022	reply => undef,
		3023	tooltip => "Shows your experience per skill and item power",
		3024	},
		3025	"c/shopitems" => {
		3026	id => "infobox",
		3027	title => "Shop Items",
		3028	reply => undef,
		3029	tooltip => "Shows the items currently for sale in this shop",
		3030	},
		3031	"c/resistances" => {
		3032	id => "infobox",
		3033	title => "Resistances",
		3034	reply => undef,
		3035	tooltip => "Shows your resistances",
		3036	},
		3037	"c/pets" => {
		3038	id => "infobox",
		3039	title => "Pets",
		3040	reply => undef,
		3041	tooltip => "Shows information abotu your pets/a specific pet",
		3042	},
		3043	"c/perceiveself" => {
		3044	id => "infobox",
		3045	title => "Perceive Self",
		3046	reply => undef,
		3047	tooltip => "You gained detailed knowledge about yourself",
		3048	},
		3049	"c/uptime" => {
		3050	id => "infobox",
		3051	title => "Uptime",
		3052	reply => undef,
		3053	tooltip => "How long the server has been running since last restart",
		3054	},
		3055	"c/mapinfo" => {
		3056	id => "infobox",
		3057	title => "Map Info",
		3058	reply => undef,
		3059	tooltip => "Information related to the maps",
		3060	},
		3061	"c/party" => {
		3062	id => "party",
		3063	title => "Party",
		3064	reply => "gsay ",
		3065	tooltip => "Messages and chat related to your party",
		3066	},
		3067	"c/death" => {
		3068	id => "death",
		3069	title => "Death",
		3070	reply => undef,
		3071	tooltip => "Reason for and more info about your most recent death",
		3072	},
		3073	"c/say" => $SAY_CHANNEL,
		3074	"c/chat" => $CHAT_CHANNEL,
		3075	);
		3076
2433	sub cf::client::send_msg {	3077	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	3078	my ($self, $channel, $msg, $color, @extra) = @_;
2435		3079
2436	$msg = $self->pl->expand_cfpod ($msg);	3080	$msg = $self->pl->expand_cfpod ($msg)
		3081	unless $color & cf::NDI_VERBATIM;
		3082
		3083	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3084
		3085	# check predefined channels, for the benefit of C
		3086	if ($CHANNEL{$channel}) {
		3087	$channel = $CHANNEL{$channel};
		3088
		3089	$self->ext_msg (channel_info => $channel);
		3090	$channel = $channel->{id};
		3091
		3092	} elsif (ref $channel) {
		3093	# send meta info to client, if not yet sent
		3094	unless (exists $self->{channel}{$channel->{id}}) {
		3095	$self->{channel}{$channel->{id}} = $channel;
		3096	$self->ext_msg (channel_info => $channel);
		3097	}
		3098
		3099	$channel = $channel->{id};
		3100	}
2437		3101
2438	return unless @extra || length $msg;	3102	return unless @extra || length $msg;
2439		3103
2440	if ($self->can_msg) {	3104	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3105	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	3106	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		3107
2453	if ($color >= 0) {	3108	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	3109	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	3110	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	3111	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		3112
		3113	$self->send_big_packet ($pkt);
		3114	}
		3115
2464	=item $client->ext_event ($type, %msg)	3116	=item $client->ext_msg ($type, @msg)
2465		3117
2466	Sends an ext event to the client.	3118	Sends an ext event to the client.
2467		3119
2468	=cut	3120	=cut
2469		3121
2470	sub cf::client::ext_event($$%) {	3122	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	3123	my ($self, $type, @msg) = @_;
2472		3124
2473	return unless $self->extcmd;	3125	if ($self->extcmd == 2) {
2474		3126	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3127	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	3128	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3130	}
		3131	}
		3132
		3133	=item $client->ext_reply ($msgid, @msg)
		3134
		3135	Sends an ext reply to the client.
		3136
		3137	=cut
		3138
		3139	sub cf::client::ext_reply($$@) {
		3140	my ($self, $id, @msg) = @_;
		3141
		3142	if ($self->extcmd == 2) {
		3143	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3144	} elsif ($self->extcmd == 1) {
		3145	#TODO: version 1, remove
		3146	unshift @msg, msgtype => "reply", msgid => $id;
		3147	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3148	}
2477	}	3149	}
2478		3150
2479	=item $success = $client->query ($flags, "text", \&cb)	3151	=item $success = $client->query ($flags, "text", \&cb)
2480		3152
2481	Queues a query to the client, calling the given callback with	3153	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	3208	my ($ns, $buf) = @_;
2537		3209
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3210	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		3211
2540	if (ref $msg) {	3212	if (ref $msg) {
		3213	my ($type, $reply, @payload) =
		3214	"ARRAY" eq ref $msg
		3215	? @$msg
		3216	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3217
		3218	my @reply;
		3219
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3220	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	3221	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	3222	}
		3223
		3224	$ns->ext_reply ($reply, @reply)
		3225	if $reply;
		3226
2547	} else {	3227	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3228	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	3229	}
2550		3230
2551	cf::override;	3231	cf::override;
2552	},	3232	},
2553	);	3233	);
…		…
2573		3253
2574	$coro	3254	$coro
2575	}	3255	}
2576		3256
2577	cf::client->attach (	3257	cf::client->attach (
2578	on_destroy => sub {	3258	on_client_destroy => sub {
2579	my ($ns) = @_;	3259	my ($ns) = @_;
2580		3260
2581	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3261	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2582	},	3262	},
2583	);	3263	);
…		…
2598	our $safe = new Safe "safe";	3278	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3279	our $safe_hole = new Safe::Hole;
2600		3280
2601	$SIG{FPE} = 'IGNORE';	3281	$SIG{FPE} = 'IGNORE';
2602		3282
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3283	$safe->permit_only (Opcode::opset qw(
		3284	:base_core :base_mem :base_orig :base_math :base_loop
		3285	grepstart grepwhile mapstart mapwhile
		3286	sort time
		3287	));
2604		3288
2605	# here we export the classes and methods available to script code	3289	# here we export the classes and methods available to script code
2606		3290
2607	=pod	3291	=pod
2608		3292
2609	The following functions and methods are available within a safe environment:	3293	The following functions and methods are available within a safe environment:
2610		3294
2611	cf::object	3295	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3296	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3297	insert remove name archname title slaying race decrease split
		3298	value
2614		3299
2615	cf::object::player	3300	cf::object::player
2616	player	3301	player
2617		3302
2618	cf::player	3303	cf::player
…		…
2623		3308
2624	=cut	3309	=cut
2625		3310
2626	for (	3311	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3312	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3313	insert remove inv nrof name archname title slaying race
		3314	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3315	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3316	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3317	["cf::map" => qw(trigger)],
2632	) {	3318	) {
2633	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3319	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3320	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2636	for @funs;	3321	for @funs;
2637	}	3322	}
2638		3323
…		…
2653		3338
2654	my $qcode = $code;	3339	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3340	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3341	$qcode =~ s/\n/\\n/g;
2657		3342
		3343	%vars = (_dummy => 0) unless %vars;
		3344
		3345	my @res;
2658	local $_;	3346	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;
2660		3347
2661	my $eval =	3348	my $eval =
2662	"do {\n"	3349	"do {\n"
2663	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3350	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2664	. "#line 0 \"{$qcode}\"\n"	3351	. "#line 0 \"{$qcode}\"\n"
2665	. $code	3352	. $code
2666	. "\n}"	3353	. "\n}"
2667	;	3354	;
2668		3355
		3356	if ($CFG{safe_eval}) {
2669	sub_generation_inc;	3357	sub_generation_inc;
		3358	local @safe::cf::_safe_eval_args = values %vars;
2670	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3359	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2671	sub_generation_inc;	3360	sub_generation_inc;
		3361	} else {
		3362	local @cf::_safe_eval_args = values %vars;
		3363	@res = wantarray ? eval eval : scalar eval $eval;
		3364	}
2672		3365
2673	if ($@) {	3366	if ($@) {
2674	warn "$@";	3367	warn "$@",
2675	warn "while executing safe code '$code'\n";	3368	"while executing safe code '$code'\n",
2676	warn "with arguments " . (join " ", %vars) . "\n";	3369	"with arguments " . (join " ", %vars) . "\n";
2677	}	3370	}
2678		3371
2679	wantarray ? @res : $res[0]	3372	wantarray ? @res : $res[0]
2680	}	3373	}
2681		3374
…		…
2695	=cut	3388	=cut
2696		3389
2697	sub register_script_function {	3390	sub register_script_function {
2698	my ($fun, $cb) = @_;	3391	my ($fun, $cb) = @_;
2699		3392
2700	no strict 'refs';	3393	$fun = "safe::$fun" if $CFG{safe_eval};
2701	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3394	*$fun = $safe_hole->wrap ($cb);
2702	}	3395	}
2703		3396
2704	=back	3397	=back
2705		3398
2706	=cut	3399	=cut
…		…
2709	# the server's init and main functions	3402	# the server's init and main functions
2710		3403
2711	sub load_facedata($) {	3404	sub load_facedata($) {
2712	my ($path) = @_;	3405	my ($path) = @_;
2713		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2714	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2715		3414
2716	my $facedata;
2717	0 < aio_load $path, $facedata	3415	0 < aio_load $path, my $facedata
2718	or die "$path: $!";	3416	or die "$path: $!";
2719		3417
2720	$facedata = Coro::Storable::thaw $facedata;	3418	$facedata = Coro::Storable::thaw $facedata;
2721		3419
2722	$facedata->{version} == 2	3420	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3421	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3422
		3423	# patch in the exptable
		3424	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3425	$facedata->{resource}{"res/exp_table"} = {
		3426	type => FT_RSRC,
		3427	data => $exp_table,
		3428	hash => (Digest::MD5::md5 $exp_table),
		3429	};
		3430	cf::cede_to_tick;
		3431
2725	{	3432	{
2726	my $faces = $facedata->{faceinfo};	3433	my $faces = $facedata->{faceinfo};
2727		3434
2728	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3436	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3437
2730	cf::face::set_visibility $idx, $info->{visibility};	3438	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3439	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3440	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3441	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2734		3442
2735	cf::cede_to_tick;	3443	cf::cede_to_tick;
2736	}	3444	}
2737		3445
2738	while (my ($face, $info) = each %$faces) {	3446	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3447	next unless $info->{smooth};
		3448
2740	my $idx = cf::face::find $face	3449	my $idx = cf::face::find $face
2741	or next;	3450	or next;
		3451
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3452	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3453	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3454	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3455	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3456	error "smooth face '$info->{smooth}' not found for face '$face'";
2747	}	3457	}
2748		3458
2749	cf::cede_to_tick;	3459	cf::cede_to_tick;
2750	}	3460	}
2751	}	3461	}
…		…
2760		3470
2761	cf::anim::invalidate_all; # d'oh	3471	cf::anim::invalidate_all; # d'oh
2762	}	3472	}
2763		3473
2764	{	3474	{
2765	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3475	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3476
2770	while (my ($name, $info) = each %$res) {	3477	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3478	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776	my $data = pack "(w/a*)*", $meta, $info->{data};
2777	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2778
2779	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3479	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3480
		3481	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2780	cf::face::set_type $idx, 1;	3482	cf::face::set_type $idx, $info->{type};
2781	cf::face::set_data $idx, 0, $data, $chk;	3483	} else {
		3484	$RESOURCE{$name} = $info; # unused
		3485	}
2782		3486
2783	cf::cede_to_tick;	3487	cf::cede_to_tick;
2784	}	3488	}
2785	}	3489	}
2786		3490
		3491	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3492
2787	1	3493	1
2788	}	3494	}
2789		3495
		3496	register_exticmd fx_want => sub {
		3497	my ($ns, $want) = @_;
		3498
		3499	while (my ($k, $v) = each %$want) {
		3500	$ns->fx_want ($k, $v);
		3501	}
		3502	};
		3503
		3504	sub load_resource_file($) {
		3505	my $guard = lock_acquire "load_resource_file";
		3506
		3507	my $status = load_resource_file_ $_[0];
		3508	get_slot 0.1, 100;
		3509	cf::arch::commit_load;
		3510
		3511	$status
		3512	}
		3513
2790	sub reload_regions {	3514	sub reload_regions {
		3515	# HACK to clear player env face cache, we need some signal framework
		3516	# for this (global event?)
		3517	%ext::player_env::MUSIC_FACE_CACHE = ();
		3518
2791	load_resource_file "$MAPDIR/regions"	3519	load_resource_file "$MAPDIR/regions"
2792	or die "unable to load regions file\n";	3520	or die "unable to load regions file\n";
2793		3521
2794	for (cf::region::list) {	3522	for (cf::region::list) {
2795	$_->{match} = qr/$_->{match}/	3523	$_->{match} = qr/$_->{match}/
…		…
2803	}	3531	}
2804		3532
2805	sub reload_archetypes {	3533	sub reload_archetypes {
2806	load_resource_file "$DATADIR/archetypes"	3534	load_resource_file "$DATADIR/archetypes"
2807	or die "unable to load archetypes\n";	3535	or die "unable to load archetypes\n";
2808	#d# NEED to laod twice to resolve forward references
2809	# this really needs to be done in an extra post-pass
2810	# (which needs to be synchronous, so solve it differently)
2811	load_resource_file "$DATADIR/archetypes"
2812	or die "unable to load archetypes\n";
2813	}	3536	}
2814		3537
2815	sub reload_treasures {	3538	sub reload_treasures {
2816	load_resource_file "$DATADIR/treasures"	3539	load_resource_file "$DATADIR/treasures"
2817	or die "unable to load treasurelists\n";	3540	or die "unable to load treasurelists\n";
2818	}	3541	}
2819		3542
		3543	sub reload_sound {
		3544	trace "loading sound config from $DATADIR/sound\n";
		3545
		3546	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3547	or die "$DATADIR/sound $!";
		3548
		3549	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3550
		3551	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3552	my $sound = $soundconf->{compat}[$_]
		3553	or next;
		3554
		3555	my $face = cf::face::find "sound/$sound->[1]";
		3556	cf::sound::set $sound->[0] => $face;
		3557	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3558	}
		3559
		3560	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3561	my $face = cf::face::find "sound/$v";
		3562	cf::sound::set $k => $face;
		3563	}
		3564	}
		3565
2820	sub reload_resources {	3566	sub reload_resources {
2821	warn "reloading resource files...\n";	3567	trace "reloading resource files...\n";
2822		3568
		3569	reload_exp_table;
		3570	reload_materials;
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
2823	reload_regions;	3574	reload_regions;
2824	reload_facedata;
2825	#reload_archetypes;#d#
2826	reload_archetypes;
2827	reload_treasures;	3575	reload_treasures;
2828		3576
2829	warn "finished reloading resource files\n";	3577	trace "finished reloading resource files\n";
2830	}	3578	}
2831		3579
2832	sub init {	3580	sub reload_config {
2833	reload_resources;	3581	trace "reloading config file...\n";
2834	}
2835		3582
2836	sub cfg_load {	3583	0 < aio_load "$CONFDIR/config", my $config
2837	open my $fh, "<:utf8", "$CONFDIR/config"	3584	or die "$CONFDIR/config: $!";
2838	or return;
2839		3585
2840	local $/;	3586	utf8::decode $config;
2841	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = yaml_load $config;
2842		3588
2843	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2844		3590
2845	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2846	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2847		3593
2848	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2852	};	3598	};
2853	warn $@ if $@;	3599	warn $@ if $@;
2854	}	3600	}
2855	}	3601	}
2856		3602
		3603	sub pidfile() {
		3604	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3605	or die "$PIDFILE: $!";
		3606	flock $fh, &Fcntl::LOCK_EX
		3607	or die "$PIDFILE: flock: $!";
		3608	$fh
		3609	}
		3610
		3611	# make sure only one server instance is running at any one time
		3612	sub atomic {
		3613	my $fh = pidfile;
		3614
		3615	my $pid = <$fh>;
		3616	kill 9, $pid if $pid > 0;
		3617
		3618	seek $fh, 0, 0;
		3619	print $fh $$;
		3620	}
		3621
		3622	sub main_loop {
		3623	trace "EV::loop starting\n";
		3624	if (1) {
		3625	EV::loop;
		3626	}
		3627	trace "EV::loop returned\n";
		3628	goto &main_loop unless $REALLY_UNLOOP;
		3629	}
		3630
2857	sub main {	3631	sub main {
		3632	cf::init_globals; # initialise logging
		3633
		3634	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3635	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3636	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3637	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3638
		3639	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3640
2858	# we must not ever block the main coroutine	3641	# we must not ever block the main coroutine
2859	local $Coro::idle = sub {	3642	local $Coro::idle = sub {
2860	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3643	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2861	(async {	3644	(async {
2862	Event::one_event;	3645	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3646	EV::loop EV::LOOP_ONESHOT;
2863	})->prio (Coro::PRIO_MAX);	3647	})->prio (Coro::PRIO_MAX);
2864	};	3648	};
2865		3649
2866	cfg_load;	3650	evthread_start IO::AIO::poll_fileno;
		3651
		3652	cf::sync_job {
		3653	cf::incloader::init ();
		3654
		3655	cf::init_anim;
		3656	cf::init_attackmess;
		3657	cf::init_dynamic;
		3658
		3659	cf::load_settings;
		3660
		3661	reload_resources;
		3662	reload_config;
2867	db_init;	3663	db_init;
		3664
		3665	cf::init_uuid;
		3666	cf::init_signals;
		3667	cf::init_skills;
		3668
		3669	cf::init_beforeplay;
		3670
		3671	atomic;
		3672
2868	load_extensions;	3673	load_extensions;
2869		3674
2870	$TICK_WATCHER->start;	3675	utime time, time, $RUNTIMEFILE;
2871	Event::loop;	3676
		3677	# no (long-running) fork's whatsoever before this point(!)
		3678	use POSIX ();
		3679	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3680
		3681	cf::_post_init 0;
		3682	};
		3683
		3684	cf::object::thawer::errors_are_fatal 0;
		3685	info "parse errors in files are no longer fatal from this point on.\n";
		3686
		3687	my $free_main; $free_main = EV::idle sub {
		3688	undef $free_main;
		3689	undef &main; # free gobs of memory :)
		3690	};
		3691
		3692	goto &main_loop;
2872	}	3693	}
2873		3694
2874	#############################################################################	3695	#############################################################################
2875	# initialisation and cleanup	3696	# initialisation and cleanup
2876		3697
2877	# install some emergency cleanup handlers	3698	# install some emergency cleanup handlers
2878	BEGIN {	3699	BEGIN {
		3700	our %SIGWATCHER = ();
2879	for my $signal (qw(INT HUP TERM)) {	3701	for my $signal (qw(INT HUP TERM)) {
2880	Event->signal (	3702	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2881	reentrant => 0,
2882	data => WF_AUTOCANCEL,
2883	signal => $signal,
2884	prio => 0,
2885	cb => sub {
2886	cf::cleanup "SIG$signal";	3703	cf::cleanup "SIG$signal";
2887	},
2888	);	3704	};
2889	}	3705	}
2890	}	3706	}
2891		3707
2892	sub write_runtime {	3708	sub write_runtime_sync {
2893	my $runtime = "$LOCALDIR/runtime";	3709	my $t0 = AE::time;
2894		3710
2895	# first touch the runtime file to show we are still running:	3711	# first touch the runtime file to show we are still running:
2896	# the fsync below can take a very very long time.	3712	# the fsync below can take a very very long time.
2897		3713
2898	IO::AIO::aio_utime $runtime, undef, undef;	3714	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2899		3715
2900	my $guard = cf::lock_acquire "write_runtime";	3716	my $guard = cf::lock_acquire "write_runtime";
2901		3717
2902	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3718	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2903	or return;	3719	or return;
2904		3720
2905	my $value = $cf::RUNTIME + 90 + 10;	3721	my $value = $cf::RUNTIME + 90 + 10;
2906	# 10 is the runtime save interval, for a monotonic clock	3722	# 10 is the runtime save interval, for a monotonic clock
2907	# 60 allows for the watchdog to kill the server.	3723	# 60 allows for the watchdog to kill the server.
…		…
2917	aio_utime $fh, undef, undef;	3733	aio_utime $fh, undef, undef;
2918		3734
2919	close $fh	3735	close $fh
2920	or return;	3736	or return;
2921		3737
2922	aio_rename "$runtime~", $runtime	3738	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2923	and return;	3739	and return;
2924		3740
2925	warn "runtime file written.\n";	3741	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2926		3742
2927	1	3743	1
		3744	}
		3745
		3746	our $uuid_lock;
		3747	our $uuid_skip;
		3748
		3749	sub write_uuid_sync($) {
		3750	$uuid_skip ||= $_[0];
		3751
		3752	return if $uuid_lock;
		3753	local $uuid_lock = 1;
		3754
		3755	my $uuid = "$LOCALDIR/uuid";
		3756
		3757	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3758	or return;
		3759
		3760	my $value = uuid_seq uuid_cur;
		3761
		3762	unless ($value) {
		3763	info "cowardly refusing to write zero uuid value!\n";
		3764	return;
		3765	}
		3766
		3767	my $value = uuid_str $value + $uuid_skip;
		3768	$uuid_skip = 0;
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	close $fh
		3778	or return;
		3779
		3780	aio_rename "$uuid~", $uuid
		3781	and return;
		3782
		3783	trace "uuid file written ($value).\n";
		3784
		3785	1
		3786
		3787	}
		3788
		3789	sub write_uuid($$) {
		3790	my ($skip, $sync) = @_;
		3791
		3792	$sync ? write_uuid_sync $skip
		3793	: async { write_uuid_sync $skip };
2928	}	3794	}
2929		3795
2930	sub emergency_save() {	3796	sub emergency_save() {
2931	my $freeze_guard = cf::freeze_mainloop;	3797	my $freeze_guard = cf::freeze_mainloop;
2932		3798
2933	warn "enter emergency perl save\n";	3799	info "emergency_perl_save: enter\n";
		3800
		3801	# this is a trade-off: we want to be very quick here, so
		3802	# save all maps without fsync, and later call a global sync
		3803	# (which in turn might be very very slow)
		3804	local $USE_FSYNC = 0;
2934		3805
2935	cf::sync_job {	3806	cf::sync_job {
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
2936	# use a peculiar iteration method to avoid tripping on perl	3809	# use a peculiar iteration method to avoid tripping on perl
2937	# refcount bugs in for. also avoids problems with players	3810	# refcount bugs in for. also avoids problems with players
2938	# and maps saved/destroyed asynchronously.	3811	# and maps saved/destroyed asynchronously.
2939	warn "begin emergency player save\n";	3812	info "emergency_perl_save: begin player save\n";
2940	for my $login (keys %cf::PLAYER) {	3813	for my $login (keys %cf::PLAYER) {
2941	my $pl = $cf::PLAYER{$login} or next;	3814	my $pl = $cf::PLAYER{$login} or next;
2942	$pl->valid or next;	3815	$pl->valid or next;
		3816	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2943	$pl->save;	3817	$pl->save;
2944	}	3818	}
2945	warn "end emergency player save\n";	3819	info "emergency_perl_save: end player save\n";
2946		3820
2947	warn "begin emergency map save\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin map save\n";
2948	for my $path (keys %cf::MAP) {	3824	for my $path (keys %cf::MAP) {
2949	my $map = $cf::MAP{$path} or next;	3825	my $map = $cf::MAP{$path} or next;
2950	$map->valid or next;	3826	$map->valid or next;
2951	$map->save;	3827	$map->save;
2952	}	3828	}
2953	warn "end emergency map save\n";	3829	info "emergency_perl_save: end map save\n";
2954		3830
2955	warn "begin emergency database checkpoint\n";	3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	info "emergency_perl_save: begin database checkpoint\n";
2956	BDB::db_env_txn_checkpoint $DB_ENV;	3834	BDB::db_env_txn_checkpoint $DB_ENV;
2957	warn "end emergency database checkpoint\n";	3835	info "emergency_perl_save: end database checkpoint\n";
		3836
		3837	info "emergency_perl_save: begin write uuid\n";
		3838	write_uuid_sync 1;
		3839	info "emergency_perl_save: end write uuid\n";
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: syncing database to disk";
		3844	BDB::db_env_txn_checkpoint $DB_ENV;
		3845
		3846	info "emergency_perl_save: starting sync\n";
		3847	IO::AIO::aio_sync sub {
		3848	info "emergency_perl_save: finished sync\n";
		3849	};
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	trace "emergency_perl_save: flushing outstanding aio requests";
		3854	while (IO::AIO::nreqs || BDB::nreqs) {
		3855	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3856	}
		3857
		3858	cf::write_runtime_sync; # external watchdog should not bark
2958	};	3859	};
2959		3860
2960	warn "leave emergency perl save\n";	3861	info "emergency_perl_save: leave\n";
2961	}	3862	}
2962		3863
2963	sub post_cleanup {	3864	sub post_cleanup {
2964	my ($make_core) = @_;	3865	my ($make_core) = @_;
2965		3866
		3867	IO::AIO::flush;
		3868
2966	warn Carp::longmess "post_cleanup backtrace"	3869	error Carp::longmess "post_cleanup backtrace"
2967	if $make_core;	3870	if $make_core;
		3871
		3872	my $fh = pidfile;
		3873	unlink $PIDFILE if <$fh> == $$;
		3874	}
		3875
		3876	# a safer delete_package, copied from Symbol
		3877	sub clear_package($) {
		3878	my $pkg = shift;
		3879
		3880	# expand to full symbol table name if needed
		3881	unless ($pkg =~ /^main::.*::$/) {
		3882	$pkg = "main$pkg" if $pkg =~ /^::/;
		3883	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3884	$pkg .= '::' unless $pkg =~ /::$/;
		3885	}
		3886
		3887	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3888	my $stem_symtab = *{$stem}{HASH};
		3889
		3890	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3891	or return;
		3892
		3893	# clear all symbols
		3894	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3895	for my $name (keys %$leaf_symtab) {
		3896	_gv_clear *{"$pkg$name"};
		3897	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3898	}
2968	}	3899	}
2969		3900
2970	sub do_reload_perl() {	3901	sub do_reload_perl() {
2971	# can/must only be called in main	3902	# can/must only be called in main
2972	if ($Coro::current != $Coro::main) {	3903	unless (in_main) {
2973	warn "can only reload from main coroutine";	3904	error "can only reload from main coroutine";
2974	return;	3905	return;
2975	}	3906	}
2976		3907
2977	warn "reloading...";	3908	return if $RELOAD++;
2978		3909
2979	warn "entering sync_job";	3910	my $t1 = AE::time;
2980		3911
		3912	while ($RELOAD) {
		3913	cf::get_slot 0.1, -1, "reload_perl";
		3914	info "perl_reload: reloading...";
		3915
		3916	trace "perl_reload: entering sync_job";
		3917
2981	cf::sync_job {	3918	cf::sync_job {
2982	cf::write_runtime; # external watchdog should not bark
2983	cf::emergency_save;	3919	#cf::emergency_save;
2984	cf::write_runtime; # external watchdog should not bark
2985		3920
2986	warn "syncing database to disk";
2987	BDB::db_env_txn_checkpoint $DB_ENV;
2988
2989	# if anything goes wrong in here, we should simply crash as we already saved
2990
2991	warn "cancelling all WF_AUTOCANCEL watchers";
2992	for (Event::all_watchers) {
2993	$_->cancel if $_->data & WF_AUTOCANCEL;
2994	}
2995
2996	warn "flushing outstanding aio requests";
2997	for (;;) {
2998	BDB::flush;
2999	IO::AIO::flush;
3000	Coro::cede;
3001	last unless IO::AIO::nreqs || BDB::nreqs;
3002	warn "iterate...";
3003	}
3004
3005	++$RELOAD;
3006
3007	warn "cancelling all extension coros";	3921	trace "perl_reload: cancelling all extension coros";
3008	$_->cancel for values %EXT_CORO;	3922	$_->cancel for values %EXT_CORO;
3009	%EXT_CORO = ();	3923	%EXT_CORO = ();
3010		3924
3011	warn "removing commands";	3925	trace "perl_reload: removing commands";
3012	%COMMAND = ();	3926	%COMMAND = ();
3013		3927
3014	warn "removing ext/exti commands";	3928	trace "perl_reload: removing ext/exti commands";
3015	%EXTCMD = ();	3929	%EXTCMD = ();
3016	%EXTICMD = ();	3930	%EXTICMD = ();
3017		3931
3018	warn "unloading/nuking all extensions";	3932	trace "perl_reload: unloading/nuking all extensions";
3019	for my $pkg (@EXTS) {	3933	for my $pkg (@EXTS) {
3020	warn "... unloading $pkg";	3934	trace "... unloading $pkg";
3021		3935
3022	if (my $cb = $pkg->can ("unload")) {	3936	if (my $cb = $pkg->can ("unload")) {
3023	eval {	3937	eval {
3024	$cb->($pkg);	3938	$cb->($pkg);
3025	1	3939	1
3026	} or warn "$pkg unloaded, but with errors: $@";	3940	} or error "$pkg unloaded, but with errors: $@";
		3941	}
		3942
		3943	trace "... clearing $pkg";
		3944	clear_package $pkg;
3027	}	3945	}
3028		3946
3029	warn "... nuking $pkg";
3030	Symbol::delete_package $pkg;
3031	}
3032
3033	warn "unloading all perl modules loaded from $LIBDIR";	3947	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3034	while (my ($k, $v) = each %INC) {	3948	while (my ($k, $v) = each %INC) {
3035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3949	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3036		3950
3037	warn "... unloading $k";	3951	trace "... unloading $k";
3038	delete $INC{$k};	3952	delete $INC{$k};
3039		3953
3040	$k =~ s/\.pm$//;	3954	$k =~ s/\.pm$//;
3041	$k =~ s/\//::/g;	3955	$k =~ s/\//::/g;
3042		3956
3043	if (my $cb = $k->can ("unload_module")) {	3957	if (my $cb = $k->can ("unload_module")) {
3044	$cb->();	3958	$cb->();
		3959	}
		3960
		3961	clear_package $k;
3045	}	3962	}
3046		3963
3047	Symbol::delete_package $k;
3048	}
3049
3050	warn "getting rid of safe::, as good as possible";	3964	trace "perl_reload: getting rid of safe::, as good as possible";
3051	Symbol::delete_package "safe::$_"	3965	clear_package "safe::$_"
3052	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3966	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3053		3967
3054	warn "unloading cf.pm \"a bit\"";	3968	trace "perl_reload: unloading cf.pm \"a bit\"";
3055	delete $INC{"cf.pm"};	3969	delete $INC{"cf.pm"};
3056	delete $INC{"cf/pod.pm"};	3970	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3057		3971
3058	# don't, removes xs symbols, too,	3972	# don't, removes xs symbols, too,
3059	# and global variables created in xs	3973	# and global variables created in xs
3060	#Symbol::delete_package __PACKAGE__;	3974	#clear_package __PACKAGE__;
3061		3975
3062	warn "unload completed, starting to reload now";	3976	info "perl_reload: unload completed, starting to reload now";
3063		3977
3064	warn "reloading cf.pm";	3978	trace "perl_reload: reloading cf.pm";
3065	require cf;	3979	require cf;
3066	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3980	cf::_connect_to_perl_1;
3067		3981
3068	warn "loading config and database again";	3982	trace "perl_reload: loading config and database again";
3069	cf::cfg_load;	3983	cf::reload_config;
3070		3984
3071	warn "loading extensions";	3985	trace "perl_reload: loading extensions";
3072	cf::load_extensions;	3986	cf::load_extensions;
3073		3987
		3988	if ($REATTACH_ON_RELOAD) {
3074	warn "reattaching attachments to objects/players";	3989	trace "perl_reload: reattaching attachments to objects/players";
3075	_global_reattach; # objects, sockets	3990	_global_reattach; # objects, sockets
3076	warn "reattaching attachments to maps";	3991	trace "perl_reload: reattaching attachments to maps";
3077	reattach $_ for values %MAP;	3992	reattach $_ for values %MAP;
3078	warn "reattaching attachments to players";	3993	trace "perl_reload: reattaching attachments to players";
3079	reattach $_ for values %PLAYER;	3994	reattach $_ for values %PLAYER;
		3995	}
3080		3996
3081	warn "leaving sync_job";	3997	cf::_post_init 1;
3082		3998
		3999	trace "perl_reload: leaving sync_job";
		4000
3083	1	4001	1
3084	} or do {	4002	} or do {
3085	warn $@;	4003	error $@;
3086	warn "error while reloading, exiting.";	4004	cf::cleanup "perl_reload: error, exiting.";
3087	exit 1;	4005	};
		4006
		4007	--$RELOAD;
3088	};	4008	}
3089		4009
3090	warn "reloaded";	4010	$t1 = AE::time - $t1;
		4011	info "perl_reload: completed in ${t1}s\n";
3091	};	4012	};
3092		4013
3093	our $RELOAD_WATCHER; # used only during reload	4014	our $RELOAD_WATCHER; # used only during reload
3094		4015
3095	sub reload_perl() {	4016	sub reload_perl() {
3096	# doing reload synchronously and two reloads happen back-to-back,	4017	# doing reload synchronously and two reloads happen back-to-back,
3097	# coro crashes during coro_state_free->destroy here.	4018	# coro crashes during coro_state_free->destroy here.
3098		4019
3099	$RELOAD_WATCHER ||= Event->timer (	4020	$RELOAD_WATCHER ||= cf::async {
3100	reentrant => 0,	4021	Coro::AIO::aio_wait cache_extensions;
3101	after => 0,	4022
3102	data => WF_AUTOCANCEL,	4023	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3103	cb => sub {
3104	do_reload_perl;	4024	do_reload_perl;
3105	undef $RELOAD_WATCHER;	4025	undef $RELOAD_WATCHER;
3106	},	4026	};
3107	);	4027	};
3108	}	4028	}
3109		4029
3110	register_command "reload" => sub {	4030	register_command "reload" => sub {
3111	my ($who, $arg) = @_;	4031	my ($who, $arg) = @_;
3112		4032
3113	if ($who->flag (FLAG_WIZ)) {	4033	if ($who->flag (FLAG_WIZ)) {
3114	$who->message ("reloading server.");	4034	$who->message ("reloading server.");
		4035	async {
		4036	$Coro::current->{desc} = "perl_reload";
3115	async { reload_perl };	4037	reload_perl;
		4038	};
3116	}	4039	}
3117	};	4040	};
3118		4041
3119	unshift @INC, $LIBDIR;	4042	#############################################################################
3120		4043
3121	my $bug_warning = 0;	4044	my $bug_warning = 0;
3122		4045
3123	our @WAIT_FOR_TICK;	4046	our @WAIT_FOR_TICK;
3124	our @WAIT_FOR_TICK_BEGIN;	4047	our @WAIT_FOR_TICK_BEGIN;
3125		4048
3126	sub wait_for_tick {	4049	sub wait_for_tick() {
3127	return unless $TICK_WATCHER->is_active;
3128	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3129		4051
3130	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
3131	push @WAIT_FOR_TICK, $signal;	4053	push @WAIT_FOR_TICK, $signal;
3132	$signal->wait;	4054	$signal->wait;
3133	}	4055	}
3134		4056
3135	sub wait_for_tick_begin {	4057	sub wait_for_tick_begin() {
3136	return unless $TICK_WATCHER->is_active;
3137	return if $Coro::current == $Coro::main;	4058	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3138		4059
3139	my $signal = new Coro::Signal;	4060	my $signal = new Coro::Signal;
3140	push @WAIT_FOR_TICK_BEGIN, $signal;	4061	push @WAIT_FOR_TICK_BEGIN, $signal;
3141	$signal->wait;	4062	$signal->wait;
3142	}	4063	}
3143		4064
3144	my $min = 1e6;#d#	4065	sub tick {
3145	my $avg = 10;
3146	$TICK_WATCHER = Event->timer (
3147	reentrant => 0,
3148	parked => 1,
3149	prio => 0,
3150	at => $NEXT_TICK || $TICK,
3151	data => WF_AUTOCANCEL,
3152	cb => sub {
3153	if ($Coro::current != $Coro::main) {	4066	if ($Coro::current != $Coro::main) {
3154	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4067	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3155	unless ++$bug_warning > 10;	4068	unless ++$bug_warning > 10;
3156	return;	4069	return;
3157	}	4070	}
3158		4071
3159	$NOW = $tick_start = Event::time;
3160
3161	cf::server_tick; # one server iteration	4072	cf::server_tick; # one server iteration
3162		4073
3163	0 && sync_job {#d#	4074	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3164	for(1..10) {
3165	my $t = Event::time;
3166	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3167	or die;
3168		4075
3169	$map->width (50);	4076	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3170	$map->height (50);	4077	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3171	$map->alloc;	4078	Coro::async_pool {
3172	$map->_load_objects ("/tmp/x.map", 1);	4079	$Coro::current->{desc} = "runtime saver";
3173	my $t = Event::time - $t;	4080	write_runtime_sync
3174		4081	or error "ERROR: unable to write runtime file: $!";
3175	#next unless $t < 0.0013;#d#
3176	if ($t < $min) {
3177	$min = $t;
3178	}
3179	$avg = $avg * 0.99 + $t * 0.01;
3180	}
3181	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3182	exit 0;
3183	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3184	};	4082	};
		4083	}
3185		4084
3186	$RUNTIME += $TICK;
3187	$NEXT_TICK += $TICK;
3188
3189	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3190	$NEXT_RUNTIME_WRITE = $NOW + 10;
3191	Coro::async_pool {
3192	write_runtime
3193	or warn "ERROR: unable to write runtime file: $!";
3194	};
3195	}
3196
3197	# my $AFTER = Event::time;
3198	# warn $AFTER - $NOW;#d#
3199
3200	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4085	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3201	$sig->send;	4086	$sig->send;
3202	}	4087	}
3203	while (my $sig = shift @WAIT_FOR_TICK) {	4088	while (my $sig = shift @WAIT_FOR_TICK) {
3204	$sig->send;	4089	$sig->send;
3205	}	4090	}
3206		4091
3207	$NOW = Event::time;	4092	$LOAD = ($NOW - $TICK_START) / $TICK;
3208
3209	# if we are delayed by four ticks or more, skip them all
3210	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3211
3212	$TICK_WATCHER->at ($NEXT_TICK);
3213	$TICK_WATCHER->start;
3214
3215	$LOAD = ($NOW - $tick_start) / $TICK;
3216	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4093	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3217		4094
3218	_post_tick;	4095	if (0) {
3219		4096	if ($NEXT_TICK) {
3220		4097	my $jitter = $TICK_START - $NEXT_TICK;
		4098	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4099	debug "jitter $JITTER\n";#d#
		4100	}
3221	},	4101	}
3222	);	4102	}
3223		4103
3224	{	4104	{
3225	BDB::max_poll_time $TICK * 0.1;	4105	# configure BDB
3226	$BDB_POLL_WATCHER = Event->io (	4106
3227	reentrant => 0,
3228	fd => BDB::poll_fileno,
3229	poll => 'r',
3230	prio => 0,
3231	data => WF_AUTOCANCEL,
3232	cb => \&BDB::poll_cb,
3233	);
3234	BDB::min_parallel 8;	4107	BDB::min_parallel 16;
3235		4108	BDB::max_poll_reqs $TICK * 0.1;
3236	BDB::set_sync_prepare {	4109	$AnyEvent::BDB::WATCHER->priority (1);
3237	my $status;
3238	my $current = $Coro::current;
3239	(
3240	sub {
3241	$status = $!;
3242	$current->ready; undef $current;
3243	},
3244	sub {
3245	Coro::schedule while defined $current;
3246	$! = $status;
3247	},
3248	)
3249	};
3250		4110
3251	unless ($DB_ENV) {	4111	unless ($DB_ENV) {
3252	$DB_ENV = BDB::db_env_create;	4112	$DB_ENV = BDB::db_env_create;
		4113	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4114	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4115	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4116	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4117	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3253		4118
3254	cf::sync_job {	4119	cf::sync_job {
3255	eval {	4120	eval {
3256	BDB::db_env_open	4121	BDB::db_env_open
3257	$DB_ENV,	4122	$DB_ENV,
…		…
3259	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4124	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3260	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4125	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3261	0666;	4126	0666;
3262		4127
3263	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4128	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3264
3265	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3266	$DB_ENV->set_lk_detect;
3267	};	4129	};
3268		4130
3269	cf::cleanup "db_env_open(db): $@" if $@;	4131	cf::cleanup "db_env_open(db): $@" if $@;
3270	};	4132	};
3271	}	4133	}
		4134
		4135	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4136	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4137	};
		4138	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4139	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4140	};
		4141	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4142	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4143	};
3272	}	4144	}
3273		4145
3274	{	4146	{
		4147	# configure IO::AIO
		4148
3275	IO::AIO::min_parallel 8;	4149	IO::AIO::min_parallel 8;
3276
3277	undef $Coro::AIO::WATCHER;
3278	IO::AIO::max_poll_time $TICK * 0.1;	4150	IO::AIO::max_poll_time $TICK * 0.1;
3279	$AIO_POLL_WATCHER = Event->io (	4151	undef $AnyEvent::AIO::WATCHER;
3280	reentrant => 0,
3281	data => WF_AUTOCANCEL,
3282	fd => IO::AIO::poll_fileno,
3283	poll => 'r',
3284	prio => 6,
3285	cb => \&IO::AIO::poll_cb,
3286	);
3287	}	4152	}
3288		4153
3289	my $_log_backtrace;	4154	my $_log_backtrace;
3290		4155
3291	sub _log_backtrace {	4156	sub _log_backtrace {
…		…
3294	$msg =~ s/\n//;	4159	$msg =~ s/\n//;
3295		4160
3296	# limit the # of concurrent backtraces	4161	# limit the # of concurrent backtraces
3297	if ($_log_backtrace < 2) {	4162	if ($_log_backtrace < 2) {
3298	++$_log_backtrace;	4163	++$_log_backtrace;
		4164	my $perl_bt = Carp::longmess $msg;
3299	async {	4165	async {
		4166	$Coro::current->{desc} = "abt $msg";
		4167
3300	my @bt = fork_call {	4168	my @bt = fork_call {
3301	@addr = map { sprintf "%x", $_ } @addr;	4169	@addr = map { sprintf "%x", $_ } @addr;
3302	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4170	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3303	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4171	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3304	or die "addr2line: $!";	4172	or die "addr2line: $!";
…		…
3312	}	4180	}
3313		4181
3314	@funcs	4182	@funcs
3315	};	4183	};
3316		4184
3317	LOG llevInfo, "[ABT] $msg\n";	4185	LOG llevInfo, "[ABT] $perl_bt\n";
		4186	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3318	LOG llevInfo, "[ABT] $_\n" for @bt;	4187	LOG llevInfo, "[ABT] $_\n" for @bt;
3319	--$_log_backtrace;	4188	--$_log_backtrace;
3320	};	4189	};
3321	} else {	4190	} else {
3322	LOG llevInfo, "[ABT] $msg\n";	4191	LOG llevInfo, "[ABT] $msg\n";
3323	LOG llevInfo, "[ABT] [suppressed]\n";	4192	LOG llevInfo, "[ABT] [suppressed]\n";
3324	}	4193	}
3325	}	4194	}
3326		4195
3327	# load additional modules	4196	# load additional modules
3328	use cf::pod;	4197	require "cf/$_.pm" for @EXTRA_MODULES;
		4198	cf::_connect_to_perl_2;
3329		4199
3330	END { cf::emergency_save }	4200	END { cf::emergency_save }
3331		4201
3332	1	4202	1
3333		4203

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