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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.313 by root, Sun Jul 22 14:17:58 2007 UTC vs.
Revision 1.556 by root, Sat Jul 3 01:49:18 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
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
172	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
173		247
174	This array contains the results of the last C<invoke ()> call. When	248	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	250	that call.
177		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
178	=back	258	=back
179		259
180	=cut	260	=cut
181		261
182	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	269	my $msg = join "", @_;
185		270
186	$msg .= "\n"	271	$msg .= "\n"
187	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
188		273
189	$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;
190		275
191	utf8::encode $msg;
192	LOG llevError, $msg;	276	LOG llevWarn, $msg;
193	};	277	};
194	}	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	};
195		292
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	303	for my $pkg (qw(
207	cf::global cf::attachable	304	cf::global cf::attachable
208	cf::object cf::object::player	305	cf::object cf::object::player
209	cf::client cf::player	306	cf::client cf::player
210	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
211	cf::map cf::party cf::region	309	cf::party cf::region
212	)) {	310	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	312	}
216		313
217	$Event::DIED = sub {	314	$EV::DIED = sub {
218	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
219	};	316	};
220		317
221	#############################################################################	318	#############################################################################
222		319
223	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
245	$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;
246	$d	343	$d
247	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
248	}	345	}
249		346
250	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
251		348
252	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
253		350
254	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
255		352
256	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
257		354
258	=cut	355	=cut
259		356
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		358
262	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
263	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	}
264		404
265	=item cf::lock_wait $string	405	=item cf::lock_wait $string
266		406
267	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
268		408
269	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
270		410
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
274	returned.	414	returned.
275		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
276	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
277	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
278		421
279	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
280		423
281	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.
282		425
283	=cut	426	=cut
284		427
285	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
286		429
287	sub lock_wait($) {	430	sub lock_wait($) {
288	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	432	}
296		433
297	sub lock_acquire($) {	434	sub lock_acquire($) {
298	my ($key) = @_;	435	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	436	}
310		437
311	sub lock_active($) {	438	sub lock_active($) {
312	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	440	}
316		441
317	sub freeze_mainloop {	442	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
319		444
320	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
321	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
322	};	512	}
323	$TICK_WATCHER->stop;	513	};
324	$guard	514
		515	sub get_slot($;$$) {
		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	$sig->wait;
325	}	528	}
326		529
327	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
328		531
329	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		537
335	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
336		539
337	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
338		541
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	545	acceptable.
343		546
344	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
349	=cut	552	=cut
350		553
351	sub sync_job(&) {	554	sub sync_job(&) {
352	my ($job) = @_;	555	my ($job) = @_;
353		556
354	if ($Coro::current == $Coro::main) {	557	if (in_main) {
355	my $time = Event::time;	558	my $time = AE::time;
356		559
357	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
359		562
360	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	564
362	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
363		566
364	my $busy = 1;	567	my $busy = 1;
365	my @res;	568	my @res;
366		569
367	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	572	@res = eval { $job->() };
369	warn $@ if $@;	573	error $@ if $@;
370	undef $busy;	574	undef $busy;
371	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
372		576
373	while ($busy) {	577	while ($busy) {
374	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
375	}	582	}
		583	}
376		584
377	$time = Event::time - $time;	585	my $time = AE::time - $time;
378		586
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
383		588
384	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
385	} else {	590	} else {
386	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
387		592
…		…
407	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
408		613
409	$coro	614	$coro
410	}	615	}
411		616
412	=item fork_call { }, $args	617	=item fork_call { }, @args
413		618
414	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
415	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
418		623
419	=cut	624	=cut
420		625
421	sub _store_scalar {	626	sub post_fork {
422	open my $fh, ">", \my $buf	627	reset_signals;
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}	628	}
429		629
430	sub fork_call(&@) {	630	sub fork_call(&@) {
431	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
432		632
433	# 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,
434	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		636
438	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
439	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
440		641
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
442	warn "pst<$res>" unless $res =~ /^pst/;	643	}
443	$res = Coro::Storable::thaw $res;
444		644
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;
452	local $SIG{__WARN__};
453	local $SIG{__DIE__};
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459
460	eval {
461	close $fh1;
462
463	my @res = eval { $cb->(@args) };
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	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
472	}	681	}
473		682
474	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
475		684
476	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
479		688
480	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
481	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).
482		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
483	=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	}
484		718
485	our $DB;	719	our $DB;
486		720
487	sub db_init {	721	sub db_init {
488	unless ($DB) {	722	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	723	}
503		724
504	sub db_get($$) {	725	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
506		727
507	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
508	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
509		732
510	$! ? ()	733	$! ? ()
511	: $data	734	: $data
512	}
513	}	735	}
514		736
515	sub db_put($$$) {	737	sub db_put($$$) {
516	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
556	if (1) {	778	if (1) {
557	$md5 =	779	$md5 =
558	join "\x00",	780	join "\x00",
559	$processversion,	781	$processversion,
560	map {	782	map {
561	Coro::cede;	783	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	785	} 0.. $#$src;
564		786
565		787
566	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
573		795
574	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
575	my $data = $process->(\@data);	797	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
577		799
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		801
580	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
583		805
…		…
593		815
594	=cut	816	=cut
595		817
596	sub datalog($@) {	818	sub datalog($@) {
597	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	821	}
600		822
601	=back	823	=back
602		824
603	=cut	825	=cut
604		826
605	#############################################################################	827	#############################################################################
606		828
607	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
608		830
609	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
610	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")
611	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
612		834
613	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>
614	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
615	Crossfire TRT).	837	Deliantra).
616		838
617	=over 4	839	=over 4
618		840
619	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
620		842
…		…
664	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
665		887
666	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
667	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
668		890
669	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		893
672	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
673		895
674	=over 4	896	=over 4
…		…
798		1020
799	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		1023
802	} elsif (ref $type) {	1024	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
804		1026
805	} else {	1027	} else {
806	shift @arg;	1028	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
808	}	1030	}
809	}	1031	}
810	}	1032	}
811		1033
812	sub _object_attach {	1034	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
823	}	1045	}
824		1046
825	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
826	} else {	1048	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1050	}
829		1051
830	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
831	}	1053	}
832		1054
…		…
891		1113
892	for (@$callbacks) {	1114	for (@$callbacks) {
893	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
894		1116
895	if ($@) {	1117	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1119	override;
899	}	1120	}
900		1121
901	return 1 if $override;	1122	return 1 if $override;
902	}	1123	}
903		1124
904	0	1125	0
905	}	1126	}
906		1127
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1129
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1131
911	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
912		1133
…		…
918		1139
919	=cut	1140	=cut
920		1141
921	#############################################################################	1142	#############################################################################
922	# object support	1143	# object support
923	#
924		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#
925	sub _can_merge {	1178	sub _can_merge {
926	my ($ob1, $ob2) = @_;	1179	my ($ob1, $ob2) = @_;
927		1180
928	local $Storable::canonical = 1;	1181	++$SLOW_MERGES;#d#
929	my $fob1 = Storable::freeze $ob1;
930	my $fob2 = Storable::freeze $ob2;
931		1182
932	$fob1 eq $fob2	1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
933	}	1185	}
934		1186
935	sub reattach {	1187	sub reattach {
936	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
937	my ($obj) = @_;	1189	my ($obj) = @_;
938		1190
		1191	# no longer needed after getting rid of delete_package?
939	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
940		1193
941	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
942		1195
943	@$registry = ();	1196	@$registry = ();
944		1197
…		…
949	for (@$attach) {	1202	for (@$attach) {
950	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
951	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
952	}	1205	}
953	} else {	1206	} else {
954	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
955	}	1208	}
956	}	1209	}
957	}	1210	}
958		1211
959	cf::attachable->attach (	1212	cf::attachable->attach (
960	prio => -1000000,	1213	prio => -1000000,
961	on_instantiate => sub {	1214	on_instantiate => sub {
962	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
963		1216
964	$data = from_json $data;	1217	$data = decode_json $data;
965		1218
966	for (@$data) {	1219	for (@$data) {
967	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
968		1221
969	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
985	sub object_freezer_save {	1238	sub object_freezer_save {
986	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
987		1240
988	sync_job {	1241	sync_job {
989	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
990	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
991	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
992		1247
993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
994	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
996	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	}
997	close $fh;	1255	aio_close $fh;
998		1256
999	if (@$objs) {	1257	if (@$objs) {
1000	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) {
1001	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
1002	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1003	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
1004	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	}
1005	close $fh;	1266	aio_close $fh;
1006	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
1007	}	1268	}
1008	} else {	1269	} else {
1009	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
1010	}	1271	}
1011		1272
1012	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
1013	} else {	1277	} else {
1014	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
1015	}	1279	}
1016	} else {	1280	} else {
1017	aio_unlink $filename;	1281	aio_unlink $filename;
1018	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1019	}	1283	}
1020	}	1284	};
1021	}	1285	}
1022		1286
1023	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1024	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1025		1289
…		…
1037	or return;	1301	or return;
1038		1302
1039	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1040	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1041	or return;	1305	or return;
		1306
1042	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1043	}	1309	}
1044		1310
		1311	utf8::decode (my $decname = $filename);
1045	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1046	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1047	return ($data, $av);	1316	($data, $av)
1048	}	1317	}
1049		1318
1050	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1051		1320
1052	=over 4	1321	=over 4
…		…
1106	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1107		1376
1108	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1109	}	1378	}
1110		1379
		1380	use File::Glob ();
		1381
1111	cf::player->attach (	1382	cf::player->attach (
1112	on_command => sub {	1383	on_unknown_command => sub {
1113	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1114		1385
1115	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1116	or return;	1387	or return;
1117		1388
…		…
1125	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1126		1397
1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1128		1399
1129	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
1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1131	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1132	$pl->ext_reply ($msg->{msgid}, %reply);
1133	}
1134	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1135	} else {	1415	} else {
1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1137	}	1417	}
1138		1418
1139	cf::override;	1419	cf::override;
1140	},	1420	},
1141	);	1421	);
1142		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
1143	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1144	cf::sync_job {	1439	cf::sync_job {
1145	my %todo;	1440	my %todo;
1146		1441
1147	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1148	next unless -r $path;	1443	next unless -r $path;
…		…
1166		1461
1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1169		1464
1170	$ext{source} =	1465	$ext{source} =
1171	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1172	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1173	. $source	1468	. $source
1174	. "\n};\n1";	1469	. "\n};\n1";
1175		1470
1176	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1177	}	1472	}
1178		1473
		1474	my $pass = 0;
1179	my %done;	1475	my %done;
1180	while (%todo) {	1476	while (%todo) {
1181	my $progress;	1477	my $progress;
1182		1478
		1479	++$pass;
		1480
		1481	ext:
1183	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1184	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1185	goto skip	1484	next ext
1186	unless exists $done{$_};	1485	unless exists $done{$_};
1187	}	1486	}
1188		1487
1189	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1190		1489
1191	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1192	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1193	: "$v->{base}: extension inactive.\n";
1194		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1195	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1196	warn $msg;	1497
1197	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1198	exit 1;	1499	delete $todo{$k};
1199	}	1500	} else {
1200		1501	$done{$k} = delete $todo{$k};
1201	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1202	}	1507	}
1203
1204	$done{$k} = delete $todo{$k};
1205	push @EXTS, $v->{pkg};
1206	$progress = 1;
1207	}	1508	}
1208		1509
1209	skip:	1510	unless ($progress) {
1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1211	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	}
1212	}	1518	}
1213	};	1519	};
1214	}	1520	}
1215		1521
1216	#############################################################################	1522	#############################################################################
1217		1523
1218	=back	1524	=back
1219		1525
1220	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1221		1527
1222	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1223		1529
1224	=cut	1530	=cut
1225		1531
1226	package cf::player;	1532	package cf::player;
1227		1533
1228	use Coro::AIO;	1534	use Coro::AIO;
1229		1535
1230	=head3 cf::player	1536	=head3 cf::player
1231		1537
1232	=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	}
1233		1553
1234	=item cf::player::find $login	1554	=item cf::player::find $login
1235		1555
1236	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1237		1557
…		…
1256		1576
1257	sub exists($) {	1577	sub exists($) {
1258	my ($login) = @_;	1578	my ($login) = @_;
1259		1579
1260	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1261	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1262	}	1582	}
1263		1583
1264	sub find($) {	1584	sub find($) {
1265	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1266	my $login = $_[0];	1586	my $login = $_[0];
…		…
1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1276	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1277		1597
1278	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1279	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;
1280	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1281	}	1607	}
1282	}	1608	}
1283	}	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	);
1284		1623
1285	sub save($) {	1624	sub save($) {
1286	my ($pl) = @_;	1625	my ($pl) = @_;
1287		1626
1288	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1293	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1294		1633
1295	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1296	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1297		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
1298	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1299	Coro::cede;	1643	cf::cede_to_tick;
1300	}	1644	}
1301		1645
1302	sub new($) {	1646	sub new($) {
1303	my ($login) = @_;	1647	my ($login) = @_;
1304		1648
…		…
1310	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1311		1655
1312	$self	1656	$self
1313	}	1657	}
1314		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
1315	=item $pl->quit_character	1669	=item $pl->quit_character
1316		1670
1317	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
1318	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1319		1673
…		…
1323	my ($pl) = @_;	1677	my ($pl) = @_;
1324		1678
1325	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1326		1680
1327	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1328	$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
1329		1683
1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1331	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1333	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1334		1692
1335	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1336	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1337	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1372	or return [];	1730	or return [];
1373		1731
1374	my @logins;	1732	my @logins;
1375		1733
1376	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") {
1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1378	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1379	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1380		1744
1381	utf8::decode $login;	1745	utf8::decode $login;
1382	push @logins, $login;	1746	push @logins, $login;
1383	}	1747	}
1384		1748
1385	\@logins	1749	\@logins
1386	}	1750	}
1387		1751
1388	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1389		1755
1390	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1391	player. May block.	1757	player. May block.
1392		1758
1393	=cut	1759	=cut
…		…
1411	}	1777	}
1412		1778
1413	\@paths	1779	\@paths
1414	}	1780	}
1415		1781
1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1417		1783
1418	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1419		1785
1420	=cut
1421
1422	sub expand_cfpod {
1423	((my $self), (local $_)) = @_;
1424
1425	# escape & and <
1426	s/&/&amp;/g;
1427	s/(?<![BIUGH])</&lt;/g;
1428
1429	# this is buggy, it needs to properly take care of nested <'s
1430
1431	1 while
1432	# replace B<>, I<>, U<> etc.
1433	s/B<([^\>]*)>/<b>$1<\/b>/
1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
1436	# replace G<male|female> tags
1437	|| s{G<([^>|]*)\|([^>]*)>}{
1438	$self->gender ? $2 : $1
1439	}ge
1440	# replace H<hint text>
1441	|| s{H<([^\>]*)>}
1442	{
1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1445	"")
1446	[$self->{hintmode}]
1447	}ge;
1448
1449	# create single paragraphs (very hackish)
1450	s/(?<=\S)\n(?=\w)/ /g;
1451
1452	# compress some whitespace
1453	s/\s+\n/\n/g; # ws line-ends
1454	s/\n\n+/\n/g; # double lines
1455	s/^\n+//; # beginning lines
1456	s/\n+$//; # ending lines
1457
1458	$_
1459	}
1460
1461	sub hintmode {
1462	$_[0]{hintmode} = $_[1] if @_ > 1;
1463	$_[0]{hintmode}
1464	}
1465
1466	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1467		1787
1468	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1469		1789
1470	=cut	1790	=cut
1471		1791
1472	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1473	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1474		1794
1475	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1477	}	1796	}
1478		1797
1479	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1480		1799
1481	Sends an ext event to the client.	1800	Sends an ext event to the client.
1482		1801
1483	=cut	1802	=cut
1484		1803
1485	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1486	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1487		1806
1488	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1489	}	1808	}
1490		1809
1491	=head3 cf::region	1810	=head3 cf::region
1492		1811
1493	=over 4	1812	=over 4
…		…
1502		1821
1503	=cut	1822	=cut
1504		1823
1505	sub find_by_path($) {	1824	sub find_by_path($) {
1506	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1507		1828
1508	my ($match, $specificity);	1829	my ($match, $specificity);
1509		1830
1510	for my $region (list) {	1831	for my $region (list) {
1511	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1537	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1538	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1539		1860
1540	sub generate_random_map {	1861	sub generate_random_map {
1541	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1542	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1543	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1547	$rmp->{exit_on_final_map},
1548	$rmp->{xsize}, $rmp->{ysize},
1549	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1550	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1551	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1552	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1553	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1554	(cf::region::find $rmp->{region}), $rmp->{custom}
1555	)
1556	}	1867	}
1557		1868
1558	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1559		1870
1560	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1565		1876
1566	sub register {	1877	sub register {
1567	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1568	my $pkg = caller;	1879	my $pkg = caller;
1569		1880
1570	no strict;
1571	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1572		1882
1573	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1574	}	1884	}
1575		1885
1576	# also paths starting with '/'	1886	# also paths starting with '/'
1577	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1578		1888
1579	sub thawer_merge {	1889	sub thawer_merge {
1580	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1581		1891
1582	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
…		…
1587	}	1897	}
1588		1898
1589	sub normalise {	1899	sub normalise {
1590	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1591		1901
1592	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1593		1903
1594	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1595		1905
1596	# map plan:	1906	# map plan:
1597	#	1907	#
…		…
1612	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1613	$path = "$base/$path";	1923	$path = "$base/$path";
1614	}	1924	}
1615		1925
1616	for ($path) {	1926	for ($path) {
1617	redo if s{//}{/};
1618	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1619	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1620	}	1929	}
1621		1930
1622	$path	1931	$path
…		…
1636	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1637	return $self;	1946	return $self;
1638	}	1947	}
1639	}	1948	}
1640		1949
1641	Carp::cluck "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1642	()	1951	()
1643	}	1952	}
1644		1953
1645	sub init {	1954	sub init {
1646	my ($self) = @_;	1955	my ($self) = @_;
…		…
1668		1977
1669	# the temporary/swap location	1978	# the temporary/swap location
1670	sub save_path {	1979	sub save_path {
1671	my ($self) = @_;	1980	my ($self) = @_;
1672		1981
1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1674	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1675	}	1984	}
1676		1985
1677	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1678	sub uniq_path {	1987	sub uniq_path {
1679	my ($self) = @_;	1988	my ($self) = @_;
1680		1989
1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1682	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1683	}
1684
1685	# and all this just because we cannot iterate over
1686	# all maps in C++...
1687	sub change_all_map_light {
1688	my ($change) = @_;
1689
1690	$_->change_map_light ($change)
1691	for grep $_->outdoor, values %cf::MAP;
1692	}	1992	}
1693		1993
1694	sub decay_objects {	1994	sub decay_objects {
1695	my ($self) = @_;	1995	my ($self) = @_;
1696		1996
…		…
1709		2009
1710	sub load_header_from($) {	2010	sub load_header_from($) {
1711	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1712		2012
1713	utf8::encode $path;	2013	utf8::encode $path;
1714	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1715	# or return;
1716
1717	$self->_load_header ($path)
1718	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1719		2022
1720	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1721		2024
1722	1	2025	1
1723	}	2026	}
…		…
1775		2078
1776	sub find;	2079	sub find;
1777	sub find {	2080	sub find {
1778	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1779		2082
		2083	cf::cede_to_tick;
		2084
1780	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1781		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1782	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1783		2089
1784	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1785	my $guard = cf::lock_acquire "map_find:$path";
1786	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1787	or return;	2092	or return;
1788		2093
1789	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1790		2095
…		…
1792	or return;	2097	or return;
1793		2098
1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1795	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1796	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1797	$map->reset;	2104	$map->reset;
1798	undef $guard;
1799	return find $path;	2105	return find $path;
1800	}	2106	}
1801		2107
1802	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1803	}	2109	}
1804	}	2110	}
1805		2111
1806	sub pre_load { }	2112	sub pre_load { }
1807	sub post_load { }	2113	#sub post_load { } # XS
1808		2114
1809	sub load {	2115	sub load {
1810	my ($self) = @_;	2116	my ($self) = @_;
1811		2117
1812	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1813		2119
1814	my $path = $self->{path};	2120	my $path = $self->{path};
1815		2121
1816	{	2122	{
1817	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1818		2124
		2125	return unless $self->valid;
1819	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1820		2127
1821	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1822		2129
1823	$self->alloc;	2130	$self->alloc;
1824		2131
1825	$self->pre_load;	2132	$self->pre_load;
1826	Coro::cede;	2133	cf::cede_to_tick;
1827		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1828	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1829	or return;	2138	or return;
1830		2139
1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1832	if delete $self->{load_original};	2141	if delete $self->{load_original};
1833		2142
1834	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1835	utf8::encode $uniq;	2144	utf8::encode $uniq;
1836	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1837	$self->clear_unique_items;	2147	$self->clear_unique_items;
1838	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1839	}	2151	}
1840	}	2152	}
1841		2153
1842	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1843	# now do the right thing for maps	2157	# now do the right thing for maps
1844	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1845	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1846	unless $self->difficulty;	2160	unless $self->difficulty;
1847	Coro::cede;	2161	cf::cede_to_tick;
1848		2162
1849	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1850	$self->decay_objects;	2164	$self->decay_objects;
1851	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1852	$self->update_buttons;	2166	$self->update_buttons;
1853	Coro::cede;	2167	cf::cede_to_tick;
1854	$self->set_darkness_map;
1855	Coro::cede;
1856	$self->activate;	2168	$self->activate;
1857	}	2169	}
1858		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1859	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1860	}	2175	}
1861		2176
1862	$self->post_load;	2177	$self->post_load;
1863	}
1864		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1865	sub customise_for {	2185	sub customise_for {
1866	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1867		2187
1868	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1869	if $self->per_player;	2189	if $self->per_player;
…		…
1873		2193
1874	$self	2194	$self
1875	}	2195	}
1876		2196
1877	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1878	sub load_diag {	2198	sub load_neighbours {
1879	my ($map) = @_;	2199	my ($map) = @_;
1880		2200
1881	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1882		2202
1883	for (0 .. 3) {	2203	for (0 .. 3) {
1884	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1885	or next;	2205	or next;
1886	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1887	or next;	2207	or next;
1888	$neigh->load;	2208	$neigh->load;
1889		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1892	}	2214	}
1893		2215
1894	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1895	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1896	or next;	2219	or next;
1897	$neigh->load;	2220	$neigh->load;
1898	}	2221	}
1899	}	2222	}
1900		2223
1901	sub find_sync {	2224	sub find_sync {
1902	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1903		2226
1904	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1905	}	2231	}
1906		2232
1907	sub do_load_sync {	2233	sub do_load_sync {
1908	my ($map) = @_;	2234	my ($map) = @_;
1909		2235
1910	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1911	}	2240	}
1912		2241
1913	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1914	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1915		2244
1916	sub find_async {	2245	sub find_async {
1917	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1918		2247
1919	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1920		2249
1921	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1923	}	2252	}
1924		2253
1925	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1926	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1927	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1928	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1929	if (my $map = find $path) {	2261	if (my $map = find $k) {
1930	$map->load;	2262	$map->load if $v;
1931	}	2263	}
1932		2264
1933	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1934	}	2266	}
1935	}	2267	}
1936	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1937	};	2269	};
1938	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1939		2271
1940	()	2272	()
1941	}	2273	}
1942		2274
		2275	# common code, used by both ->save and ->swapout
1943	sub save {	2276	sub _save {
1944	my ($self) = @_;	2277	my ($self) = @_;
1945
1946	my $lock = cf::lock_acquire "map_data:" . $self->path;
1947		2278
1948	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1949		2280
1950	return unless $self->dirty;	2281	return unless $self->dirty;
1951		2282
…		…
1957	return if $self->{deny_save};	2288	return if $self->{deny_save};
1958		2289
1959	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1960		2291
1961	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1962	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1963	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1964		2298
1965	if ($uniq) {	2299	if ($uniq) {
1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1968	} else {	2302	} else {
1969	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1970	}	2304	}
1971	}	2305	}
1972		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1973	sub swap_out {	2315	sub swap_out {
1974	my ($self) = @_;	2316	my ($self) = @_;
1975		2317
1976	# save first because save cedes
1977	$self->save;
1978
1979	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1980		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1981	return if $self->players;	2322	return if $self->players;
1982	return if $self->in_memory != cf::MAP_IN_MEMORY;
1983	return if $self->{deny_save};
1984		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1985	$self->clear;	2333	$self->clear;
1986	$self->in_memory (cf::MAP_SWAPPED);
1987	}	2334	}
1988		2335
1989	sub reset_at {	2336	sub reset_at {
1990	my ($self) = @_;	2337	my ($self) = @_;
1991		2338
…		…
2009		2356
2010	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
2011		2358
2012	return if $self->players;	2359	return if $self->players;
2013		2360
2014	warn "resetting map ", $self->path;	2361	cf::trace "resetting map ", $self->path, "\n";
2015		2362
2016	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
2017		2364
2018	# need to save uniques path	2365	# need to save uniques path
2019	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
2023	if $uniq;	2370	if $uniq;
2024	}	2371	}
2025		2372
2026	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
2027		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2377	$self->clear;
2029
2030	$_->clear_links_to ($self) for values %cf::MAP;
2031		2378
2032	$self->unlink_save;	2379	$self->unlink_save;
2033	$self->destroy;	2380	$self->destroy;
2034	}	2381	}
2035		2382
2036	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
2037		2384
2038	sub nuke {	2385	sub nuke {
2039	my ($self) = @_;	2386	my ($self) = @_;
2040		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
2041	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
2042		2392
2043	$self->unlink_save;	2393	$self->unlink_save;
2044		2394
2045	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
2046	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
2047	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
2048	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2050		2400
2051	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
2052		2403
2053	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
2054	}	2405	}
2055		2406
2056	=item $maps = cf::map::tmp_maps	2407	=item $maps = cf::map::tmp_maps
…		…
2098		2449
2099	sub unique_maps() {	2450	sub unique_maps() {
2100	[	2451	[
2101	map {	2452	map {
2102	utf8::decode $_;	2453	utf8::decode $_;
2103	/\.map$/	2454	s/\.map$//; # TODO future compatibility hack
		2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
2104	? normalise $_	2457	: normalise $_
2105	: ()
2106	} @{ aio_readdir $UNIQUEDIR or [] }	2458	} @{ aio_readdir $UNIQUEDIR or [] }
2107	]	2459	]
2108	}	2460	}
2109		2461
2110	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
2111		2493
2112	=back	2494	=back
2113		2495
2114	=head3 cf::object	2496	=head3 cf::object
2115		2497
…		…
2119		2501
2120	=over 4	2502	=over 4
2121		2503
2122	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
2123		2505
2124	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
2125		2508
2126	=cut	2509	=cut
2127		2510
2128	sub inv_recursive_;	2511	sub inv_recursive_;
2129	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
2132		2515
2133	sub inv_recursive {	2516	sub inv_recursive {
2134	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
2135	}	2518	}
2136		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
2137	package cf;	2548	package cf;
2138		2549
2139	=back	2550	=back
2140		2551
2141	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
2147	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2148	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
2149	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
2150		2561
2151	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
2152		2577
2153	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
2154	# with dialog boxes.	2579	# with dialog boxes.
2155	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
2156	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
2163		2588
2164	} else {	2589	} else {
2165	my $pl = $self->contr;	2590	my $pl = $self->contr;
2166		2591
2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2168	my $diag = $pl->{npc_dialog};	2593	my $dialog = $pl->{npc_dialog};
2169	$diag->{pl}->ext_reply (	2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2170	$diag->{id},
2171	msgtype => "reply",
2172	msg => $diag->{pl}->expand_cfpod ($msg),
2173	add_topics => []
2174	);
2175		2595
2176	} else {	2596	} else {
2177	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
2178	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2179	}	2599	}
2180	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
2181	}	2611	}
2182		2612
2183	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
2184		2614
2185	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
2198		2628
2199	=item $player_object->enter_link	2629	=item $player_object->enter_link
2200		2630
2201	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
2202		2632
2203	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
2204	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
2205		2637
2206	Will never block.	2638	Will never block.
2207		2639
2208	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
2209		2641
…		…
2229	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
2230	my ($self) = @_;	2662	my ($self) = @_;
2231		2663
2232	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
2233		2665
		2666	++$self->{_link_recursion};
		2667
2234	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
2235		2669
2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2237	if $self->map && $self->map->{path} ne "{link}";	2671	if $self->map && $self->map->{path} ne "{link}";
2238		2672
2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2240	}	2674	}
2241		2675
2242	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
2243	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
2244		2678
…		…
2261	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
2262	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
2263		2697
2264	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
2265	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
2266	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
2267		2701
2268	$map->load;	2702	$map->load;
2269	$map->load_diag;	2703	$map->load_neighbours;
2270		2704
2271	return unless $self->contr->active;	2705	return unless $self->contr->active;
2272	$self->activate_recursive;
2273		2706
2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2275	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
2276	}	2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
		2712	$self->activate_recursive;
		2713	}
2277		2714
		2715	}
		2716
2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2279		2718
2280	Moves the player to the given map-path and coordinates by first freezing	2719	Moves the player to the given map-path and coordinates by first freezing
2281	her, loading and preparing them map, calling the provided $check callback	2720	her, loading and preparing them map, calling the provided $check callback
2282	that has to return the map if sucecssful, and then unfreezes the player on	2721	that has to return the map if sucecssful, and then unfreezes the player on
2283	the new (success) or old (failed) map position. In either case, $done will	2722	the new (success) or old (failed) map position. In either case, $done will
2284	be called at the end of this process.	2723	be called at the end of this process.
2285		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
2286	=cut	2728	=cut
2287		2729
2288	our $GOTOGEN;	2730	our $GOTOGEN;
2289		2731
2290	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
2291	my ($self, $path, $x, $y, $check, $done) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
2292		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
2293	# do generation counting so two concurrent goto's will be executed in-order	2741	# do generation counting so two concurrent goto's will be executed in-order
2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2295		2743
2296	$self->enter_link;	2744	$self->enter_link;
2297		2745
2298	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
2299	my $map = eval {	2768	my $map = eval {
2300	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
2301		2770
2302	if ($map) {	2771	if ($map) {
2303	$map = $map->customise_for ($self);	2772	$map = $map->customise_for ($self);
2304	$map = $check->($map) if $check && $map;	2773	$map = $check->($map, $x, $y, $self) if $check && $map;
2305	} else {	2774	} else {
2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2307	}	2776	}
2308		2777
2309	$map	2778	$map
2310	};	2779	};
2311		2780
…		…
2317	if ($gen == $self->{_goto_generation}) {	2786	if ($gen == $self->{_goto_generation}) {
2318	delete $self->{_goto_generation};	2787	delete $self->{_goto_generation};
2319	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
2320	}	2789	}
2321		2790
2322	$done->() if $done;	2791	$done->($self) if $done;
2323	})->prio (1);	2792	})->prio (1);
2324	}	2793	}
2325		2794
2326	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
2327		2796
…		…
2347	}	2816	}
2348		2817
2349	sub prepare_random_map {	2818	sub prepare_random_map {
2350	my ($exit) = @_;	2819	my ($exit) = @_;
2351		2820
2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
2353
2354	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2355	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2356	# that depends on the exit object	2823	# that depends on the exit object
2357		2824
2358	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2360	if ($exit->map) {	2827	if ($exit->map) {
2361	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2362	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2363	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2364	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2365	}	2834	}
2366		2835
2367	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2368		2837
2369	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2370	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2371	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2372		2841
2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2374	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2375	undef $fh;	2844	undef $fh;
2376	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2377		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2378	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2379	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2380	}	2853	}
2381	}	2854	}
2382		2855
2383	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2384	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2385		2858
2386	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2387		2860
2388	if ($exit->slaying eq "/!") {
2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
2390	# the problem is that $exit might not survive long enough
2391	# so it needs to be done right now, right here
2392	cf::sync_job { prepare_random_map $exit };
2393	}
2394
2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2396	my $hp = $exit->stats->hp;
2397	my $sp = $exit->stats->sp;
2398
2399	$self->enter_link;	2861	$self->enter_link;
2400		2862
2401	# if exit is damned, update players death & WoR home-position
2402	$self->contr->savebed ($slaying, $hp, $sp)
2403	if $exit->flag (FLAG_DAMNED);
2404
2405	(async {	2863	(async {
2406	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2407	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2408	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2409		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2410	1;	2887	1
2411	}) {	2888	}) {
2412	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2413	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2414	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2415	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2416		2893
2417	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2418	$self->leave_link;	2895	$self->leave_link;
2419	}	2896	}
2420	})->prio (1);	2897	})->prio (1);
2421	}	2898	}
2422		2899
…		…
2434	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
2435	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
2436		2913
2437	utf8::encode $text;	2914	utf8::encode $text;
2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2916	}
		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
2439	}	2941	}
2440		2942
2441	=item $client->send_msg ($channel, $msg, $color, [extra...])	2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
2442		2944
2443	Send a drawinfo or msg packet to the client, formatting the msg for the	2945	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2445	the message, with C<log> being the default. If C<$color> is negative, suppress	2947	the message, with C<log> being the default. If C<$color> is negative, suppress
2446	the message unless the client supports the msg packet.	2948	the message unless the client supports the msg packet.
2447		2949
2448	=cut	2950	=cut
2449		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
2450	sub cf::client::send_msg {	3066	sub cf::client::send_msg {
2451	my ($self, $channel, $msg, $color, @extra) = @_;	3067	my ($self, $channel, $msg, $color, @extra) = @_;
2452		3068
2453	$msg = $self->pl->expand_cfpod ($msg);	3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
2454		3071
2455	$color &= ~cf::NDI_UNIQUE; # just in case...	3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
2456		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
2457	if (ref $channel) {	3081	} elsif (ref $channel) {
2458	# send meta info to client, if not yet sent	3082	# send meta info to client, if not yet sent
2459	unless (exists $self->{channel}{$channel->{id}}) {	3083	unless (exists $self->{channel}{$channel->{id}}) {
2460	$self->{channel}{$channel->{id}} = $channel;	3084	$self->{channel}{$channel->{id}} = $channel;
2461	$self->ext_event (channel_info => %$channel);	3085	$self->ext_msg (channel_info => $channel);
2462	}	3086	}
2463		3087
2464	$channel = $channel->{id};	3088	$channel = $channel->{id};
2465	}	3089	}
2466		3090
2467	return unless @extra || length $msg;	3091	return unless @extra || length $msg;
2468		3092
2469	if ($self->can_msg) {	3093	# default colour, mask it out
2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2471	} else {	3095	if $color & cf::NDI_DEF;
2472	# replace some tags by gcfclient-compatible ones
2473	for ($msg) {
2474	1 while
2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2480	}
2481		3096
2482	if ($color >= 0) {	3097	my $pkt = "msg "
2483	if (0 && $msg =~ /\[/) {	3098	. $self->{json_coder}->encode (
2484	$self->send_packet ("drawextinfo $color 4 0 $msg")	3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2485	} else {	3100	);
2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2487	$self->send_packet ("drawinfo $color $msg")
2488	}
2489	}
2490	}
2491	}
2492		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2493	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2494		3106
2495	Sends an ext event to the client.	3107	Sends an ext event to the client.
2496		3108
2497	=cut	3109	=cut
2498		3110
2499	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2500	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2501		3113
2502	return unless $self->extcmd;	3114	if ($self->extcmd == 2) {
2503		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2504	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
2506	}	3138	}
2507		3139
2508	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2509		3141
2510	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
…		…
2565	my ($ns, $buf) = @_;	3197	my ($ns, $buf) = @_;
2566		3198
2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2568		3200
2569	if (ref $msg) {	3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3209	if (my $cb = $EXTICMD{$type}) {
2571	if (my %reply = $cb->($ns, $msg)) {	3210	@reply = $cb->($ns, @payload);
2572	$reply{msgid} = $msg->{msgid};
2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2574	}
2575	}	3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
2576	} else {	3216	} else {
2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2578	}	3218	}
2579		3219
2580	cf::override;	3220	cf::override;
2581	},	3221	},
2582	);	3222	);
…		…
2602		3242
2603	$coro	3243	$coro
2604	}	3244	}
2605		3245
2606	cf::client->attach (	3246	cf::client->attach (
2607	on_destroy => sub {	3247	on_client_destroy => sub {
2608	my ($ns) = @_;	3248	my ($ns) = @_;
2609		3249
2610	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2611	},	3251	},
2612	);	3252	);
…		…
2627	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2628	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2629		3269
2630	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2631		3271
2632	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2633		3277
2634	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2635		3279
2636	=pod	3280	=pod
2637		3281
2638	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2639		3283
2640	cf::object	3284	cf::object
2641	contr pay_amount pay_player map x y force_find force_add	3285	contr pay_amount pay_player map x y force_find force_add destroy
2642	insert remove	3286	insert remove name archname title slaying race decrease split
		3287	value
2643		3288
2644	cf::object::player	3289	cf::object::player
2645	player	3290	player
2646		3291
2647	cf::player	3292	cf::player
…		…
2652		3297
2653	=cut	3298	=cut
2654		3299
2655	for (	3300	for (
2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2657	insert remove)],	3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2658	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2659	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2660	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2661	) {	3307	) {
2662	no strict 'refs';
2663	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2664	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2665	for @funs;	3310	for @funs;
2666	}	3311	}
2667		3312
…		…
2682		3327
2683	my $qcode = $code;	3328	my $qcode = $code;
2684	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2685	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2686		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2687	local $_;	3335	local $_;
2688	local @safe::cf::_safe_eval_args = values %vars;
2689		3336
2690	my $eval =	3337	my $eval =
2691	"do {\n"	3338	"do {\n"
2692	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2693	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2694	. $code	3341	. $code
2695	. "\n}"	3342	. "\n}"
2696	;	3343	;
2697		3344
		3345	if ($CFG{safe_eval}) {
2698	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2699	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2700	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2701		3354
2702	if ($@) {	3355	if ($@) {
2703	warn "$@";	3356	warn "$@",
2704	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2705	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2706	}	3359	}
2707		3360
2708	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2709	}	3362	}
2710		3363
…		…
2724	=cut	3377	=cut
2725		3378
2726	sub register_script_function {	3379	sub register_script_function {
2727	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2728		3381
2729	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2730	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2731	}	3384	}
2732		3385
2733	=back	3386	=back
2734		3387
2735	=cut	3388	=cut
…		…
2738	# the server's init and main functions	3391	# the server's init and main functions
2739		3392
2740	sub load_facedata($) {	3393	sub load_facedata($) {
2741	my ($path) = @_;	3394	my ($path) = @_;
2742		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2743	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2744		3403
2745	my $facedata;
2746	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2747	or die "$path: $!";	3405	or die "$path: $!";
2748		3406
2749	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2750		3408
2751	$facedata->{version} == 2	3409	$facedata->{version} == 2
2752	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2753		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
2754	{	3421	{
2755	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2756		3423
2757	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2759	cf::face::set_visibility $idx, $info->{visibility};	3427	cf::face::set_visibility $idx, $info->{visibility};
2760	cf::face::set_magicmap $idx, $info->{magicmap};	3428	cf::face::set_magicmap $idx, $info->{magicmap};
2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2763		3431
2764	cf::cede_to_tick;	3432	cf::cede_to_tick;
2765	}	3433	}
2766		3434
2767	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2768	next unless $info->{smooth};	3436	next unless $info->{smooth};
		3437
2769	my $idx = cf::face::find $face	3438	my $idx = cf::face::find $face
2770	or next;	3439	or next;
		3440
2771	if (my $smooth = cf::face::find $info->{smooth}) {	3441	if (my $smooth = cf::face::find $info->{smooth}) {
2772	cf::face::set_smooth $idx, $smooth;	3442	cf::face::set_smooth $idx, $smooth;
2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3443	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2774	} else {	3444	} else {
2775	warn "smooth face '$info->{smooth}' not found for face '$face'";	3445	error "smooth face '$info->{smooth}' not found for face '$face'";
2776	}	3446	}
2777		3447
2778	cf::cede_to_tick;	3448	cf::cede_to_tick;
2779	}	3449	}
2780	}	3450	}
…		…
2789		3459
2790	cf::anim::invalidate_all; # d'oh	3460	cf::anim::invalidate_all; # d'oh
2791	}	3461	}
2792		3462
2793	{	3463	{
2794	# TODO: for gcfclient pleasure, we should give resources
2795	# that gcfclient doesn't grok a >10000 face index.
2796	my $res = $facedata->{resource};	3464	my $res = $facedata->{resource};
2797	my $enc = JSON::XS->new->utf8->canonical;
2798		3465
2799	while (my ($name, $info) = each %$res) {	3466	while (my ($name, $info) = each %$res) {
2800	my $meta = $enc->encode ({	3467	if (defined $info->{type}) {
2801	name => $name,
2802	type => $info->{type},
2803	copyright => $info->{copyright}, #TODO#
2804	});
2805
2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3468	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2807		3469
2808	if ($name =~ /\.jpg$/) {
2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3470	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3471	cf::face::set_type $idx, $info->{type};
2811	} else {	3472	} else {
2812	my $data = pack "(w/a*)*", $meta, $info->{data};	3473	$RESOURCE{$name} = $info; # unused
2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2814
2815	cf::face::set_type $idx, 1;
2816	cf::face::set_data $idx, 0, $data, $chk;
2817	}	3474	}
2818		3475
2819	cf::cede_to_tick;	3476	cf::cede_to_tick;
2820	}	3477	}
2821	}	3478	}
2822		3479
		3480	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3481
2823	1	3482	1
2824	}	3483	}
2825		3484
		3485	register_exticmd fx_want => sub {
		3486	my ($ns, $want) = @_;
		3487
		3488	while (my ($k, $v) = each %$want) {
		3489	$ns->fx_want ($k, $v);
		3490	}
		3491	};
		3492
		3493	sub load_resource_file($) {
		3494	my $guard = lock_acquire "load_resource_file";
		3495
		3496	my $status = load_resource_file_ $_[0];
		3497	get_slot 0.1, 100;
		3498	cf::arch::commit_load;
		3499
		3500	$status
		3501	}
		3502
2826	sub reload_regions {	3503	sub reload_regions {
		3504	# HACK to clear player env face cache, we need some signal framework
		3505	# for this (global event?)
		3506	%ext::player_env::MUSIC_FACE_CACHE = ();
		3507
2827	load_resource_file "$MAPDIR/regions"	3508	load_resource_file "$MAPDIR/regions"
2828	or die "unable to load regions file\n";	3509	or die "unable to load regions file\n";
2829		3510
2830	for (cf::region::list) {	3511	for (cf::region::list) {
2831	$_->{match} = qr/$_->{match}/	3512	$_->{match} = qr/$_->{match}/
…		…
2839	}	3520	}
2840		3521
2841	sub reload_archetypes {	3522	sub reload_archetypes {
2842	load_resource_file "$DATADIR/archetypes"	3523	load_resource_file "$DATADIR/archetypes"
2843	or die "unable to load archetypes\n";	3524	or die "unable to load archetypes\n";
2844	#d# NEED to laod twice to resolve forward references
2845	# this really needs to be done in an extra post-pass
2846	# (which needs to be synchronous, so solve it differently)
2847	load_resource_file "$DATADIR/archetypes"
2848	or die "unable to load archetypes\n";
2849	}	3525	}
2850		3526
2851	sub reload_treasures {	3527	sub reload_treasures {
2852	load_resource_file "$DATADIR/treasures"	3528	load_resource_file "$DATADIR/treasures"
2853	or die "unable to load treasurelists\n";	3529	or die "unable to load treasurelists\n";
2854	}	3530	}
2855		3531
		3532	sub reload_sound {
		3533	trace "loading sound config from $DATADIR/sound\n";
		3534
		3535	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3536	or die "$DATADIR/sound $!";
		3537
		3538	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3539
		3540	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3541	my $sound = $soundconf->{compat}[$_]
		3542	or next;
		3543
		3544	my $face = cf::face::find "sound/$sound->[1]";
		3545	cf::sound::set $sound->[0] => $face;
		3546	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3547	}
		3548
		3549	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3550	my $face = cf::face::find "sound/$v";
		3551	cf::sound::set $k => $face;
		3552	}
		3553	}
		3554
2856	sub reload_resources {	3555	sub reload_resources {
2857	warn "reloading resource files...\n";	3556	trace "reloading resource files...\n";
2858		3557
		3558	reload_exp_table;
		3559	reload_materials;
		3560	reload_facedata;
		3561	reload_sound;
		3562	reload_archetypes;
2859	reload_regions;	3563	reload_regions;
2860	reload_facedata;
2861	#reload_archetypes;#d#
2862	reload_archetypes;
2863	reload_treasures;	3564	reload_treasures;
2864		3565
2865	warn "finished reloading resource files\n";	3566	trace "finished reloading resource files\n";
2866	}	3567	}
2867		3568
2868	sub init {	3569	sub reload_config {
2869	reload_resources;	3570	trace "reloading config file...\n";
2870	}
2871		3571
2872	sub cfg_load {	3572	0 < aio_load "$CONFDIR/config", my $config
2873	open my $fh, "<:utf8", "$CONFDIR/config"	3573	or die "$CONFDIR/config: $!";
2874	or return;
2875		3574
2876	local $/;	3575	utf8::decode $config;
2877	*CFG = YAML::Syck::Load <$fh>;	3576	*CFG = yaml_load $config;
2878		3577
2879	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3578	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2880		3579
2881	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3580	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2882	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3581	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2883		3582
2884	if (exists $CFG{mlockall}) {	3583	if (exists $CFG{mlockall}) {
…		…
2888	};	3587	};
2889	warn $@ if $@;	3588	warn $@ if $@;
2890	}	3589	}
2891	}	3590	}
2892		3591
		3592	sub pidfile() {
		3593	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3594	or die "$PIDFILE: $!";
		3595	flock $fh, &Fcntl::LOCK_EX
		3596	or die "$PIDFILE: flock: $!";
		3597	$fh
		3598	}
		3599
		3600	# make sure only one server instance is running at any one time
		3601	sub atomic {
		3602	my $fh = pidfile;
		3603
		3604	my $pid = <$fh>;
		3605	kill 9, $pid if $pid > 0;
		3606
		3607	seek $fh, 0, 0;
		3608	print $fh $$;
		3609	}
		3610
		3611	sub main_loop {
		3612	trace "EV::loop starting\n";
		3613	if (1) {
		3614	EV::loop;
		3615	}
		3616	trace "EV::loop returned\n";
		3617	goto &main_loop unless $REALLY_UNLOOP;
		3618	}
		3619
2893	sub main {	3620	sub main {
		3621	cf::init_globals; # initialise logging
		3622
		3623	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3624	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3625	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3626	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3627
		3628	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3629
2894	# we must not ever block the main coroutine	3630	# we must not ever block the main coroutine
2895	local $Coro::idle = sub {	3631	local $Coro::idle = sub {
2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3632	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2897	(async {	3633	(async {
2898	Event::one_event;	3634	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3635	EV::loop EV::LOOP_ONESHOT;
2899	})->prio (Coro::PRIO_MAX);	3636	})->prio (Coro::PRIO_MAX);
2900	};	3637	};
2901		3638
2902	cfg_load;	3639	evthread_start IO::AIO::poll_fileno;
		3640
		3641	cf::sync_job {
		3642	cf::incloader::init ();
		3643
		3644	cf::init_anim;
		3645	cf::init_attackmess;
		3646	cf::init_dynamic;
		3647
		3648	cf::load_settings;
		3649
		3650	reload_resources;
		3651	reload_config;
2903	db_init;	3652	db_init;
		3653
		3654	cf::init_uuid;
		3655	cf::init_signals;
		3656	cf::init_skills;
		3657
		3658	cf::init_beforeplay;
		3659
		3660	atomic;
		3661
2904	load_extensions;	3662	load_extensions;
2905		3663
2906	$TICK_WATCHER->start;	3664	utime time, time, $RUNTIMEFILE;
2907	Event::loop;	3665
		3666	# no (long-running) fork's whatsoever before this point(!)
		3667	use POSIX ();
		3668	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3669
		3670	cf::_post_init 0;
		3671	};
		3672
		3673	cf::object::thawer::errors_are_fatal 0;
		3674	info "parse errors in files are no longer fatal from this point on.\n";
		3675
		3676	my $free_main; $free_main = EV::idle sub {
		3677	undef $free_main;
		3678	undef &main; # free gobs of memory :)
		3679	};
		3680
		3681	goto &main_loop;
2908	}	3682	}
2909		3683
2910	#############################################################################	3684	#############################################################################
2911	# initialisation and cleanup	3685	# initialisation and cleanup
2912		3686
2913	# install some emergency cleanup handlers	3687	# install some emergency cleanup handlers
2914	BEGIN {	3688	BEGIN {
		3689	our %SIGWATCHER = ();
2915	for my $signal (qw(INT HUP TERM)) {	3690	for my $signal (qw(INT HUP TERM)) {
2916	Event->signal (	3691	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2917	reentrant => 0,
2918	data => WF_AUTOCANCEL,
2919	signal => $signal,
2920	prio => 0,
2921	cb => sub {
2922	cf::cleanup "SIG$signal";	3692	cf::cleanup "SIG$signal";
2923	},
2924	);	3693	};
2925	}	3694	}
2926	}	3695	}
2927		3696
2928	sub write_runtime {	3697	sub write_runtime_sync {
2929	my $runtime = "$LOCALDIR/runtime";	3698	my $t0 = AE::time;
2930		3699
2931	# first touch the runtime file to show we are still running:	3700	# first touch the runtime file to show we are still running:
2932	# the fsync below can take a very very long time.	3701	# the fsync below can take a very very long time.
2933		3702
2934	IO::AIO::aio_utime $runtime, undef, undef;	3703	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2935		3704
2936	my $guard = cf::lock_acquire "write_runtime";	3705	my $guard = cf::lock_acquire "write_runtime";
2937		3706
2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3707	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2939	or return;	3708	or return;
2940		3709
2941	my $value = $cf::RUNTIME + 90 + 10;	3710	my $value = $cf::RUNTIME + 90 + 10;
2942	# 10 is the runtime save interval, for a monotonic clock	3711	# 10 is the runtime save interval, for a monotonic clock
2943	# 60 allows for the watchdog to kill the server.	3712	# 60 allows for the watchdog to kill the server.
…		…
2953	aio_utime $fh, undef, undef;	3722	aio_utime $fh, undef, undef;
2954		3723
2955	close $fh	3724	close $fh
2956	or return;	3725	or return;
2957		3726
2958	aio_rename "$runtime~", $runtime	3727	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2959	and return;	3728	and return;
2960		3729
2961	warn "runtime file written.\n";	3730	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2962		3731
2963	1	3732	1
		3733	}
		3734
		3735	our $uuid_lock;
		3736	our $uuid_skip;
		3737
		3738	sub write_uuid_sync($) {
		3739	$uuid_skip ||= $_[0];
		3740
		3741	return if $uuid_lock;
		3742	local $uuid_lock = 1;
		3743
		3744	my $uuid = "$LOCALDIR/uuid";
		3745
		3746	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3747	or return;
		3748
		3749	my $value = uuid_seq uuid_cur;
		3750
		3751	unless ($value) {
		3752	info "cowardly refusing to write zero uuid value!\n";
		3753	return;
		3754	}
		3755
		3756	my $value = uuid_str $value + $uuid_skip;
		3757	$uuid_skip = 0;
		3758
		3759	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3760	and return;
		3761
		3762	# always fsync - this file is important
		3763	aio_fsync $fh
		3764	and return;
		3765
		3766	close $fh
		3767	or return;
		3768
		3769	aio_rename "$uuid~", $uuid
		3770	and return;
		3771
		3772	trace "uuid file written ($value).\n";
		3773
		3774	1
		3775
		3776	}
		3777
		3778	sub write_uuid($$) {
		3779	my ($skip, $sync) = @_;
		3780
		3781	$sync ? write_uuid_sync $skip
		3782	: async { write_uuid_sync $skip };
2964	}	3783	}
2965		3784
2966	sub emergency_save() {	3785	sub emergency_save() {
2967	my $freeze_guard = cf::freeze_mainloop;	3786	my $freeze_guard = cf::freeze_mainloop;
2968		3787
2969	warn "enter emergency perl save\n";	3788	info "emergency_perl_save: enter\n";
		3789
		3790	# this is a trade-off: we want to be very quick here, so
		3791	# save all maps without fsync, and later call a global sync
		3792	# (which in turn might be very very slow)
		3793	local $USE_FSYNC = 0;
2970		3794
2971	cf::sync_job {	3795	cf::sync_job {
		3796	cf::write_runtime_sync; # external watchdog should not bark
		3797
2972	# use a peculiar iteration method to avoid tripping on perl	3798	# use a peculiar iteration method to avoid tripping on perl
2973	# refcount bugs in for. also avoids problems with players	3799	# refcount bugs in for. also avoids problems with players
2974	# and maps saved/destroyed asynchronously.	3800	# and maps saved/destroyed asynchronously.
2975	warn "begin emergency player save\n";	3801	info "emergency_perl_save: begin player save\n";
2976	for my $login (keys %cf::PLAYER) {	3802	for my $login (keys %cf::PLAYER) {
2977	my $pl = $cf::PLAYER{$login} or next;	3803	my $pl = $cf::PLAYER{$login} or next;
2978	$pl->valid or next;	3804	$pl->valid or next;
		3805	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2979	$pl->save;	3806	$pl->save;
2980	}	3807	}
2981	warn "end emergency player save\n";	3808	info "emergency_perl_save: end player save\n";
2982		3809
2983	warn "begin emergency map save\n";	3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
		3812	info "emergency_perl_save: begin map save\n";
2984	for my $path (keys %cf::MAP) {	3813	for my $path (keys %cf::MAP) {
2985	my $map = $cf::MAP{$path} or next;	3814	my $map = $cf::MAP{$path} or next;
2986	$map->valid or next;	3815	$map->valid or next;
2987	$map->save;	3816	$map->save;
2988	}	3817	}
2989	warn "end emergency map save\n";	3818	info "emergency_perl_save: end map save\n";
2990		3819
2991	warn "begin emergency database checkpoint\n";	3820	cf::write_runtime_sync; # external watchdog should not bark
		3821
		3822	info "emergency_perl_save: begin database checkpoint\n";
2992	BDB::db_env_txn_checkpoint $DB_ENV;	3823	BDB::db_env_txn_checkpoint $DB_ENV;
2993	warn "end emergency database checkpoint\n";	3824	info "emergency_perl_save: end database checkpoint\n";
		3825
		3826	info "emergency_perl_save: begin write uuid\n";
		3827	write_uuid_sync 1;
		3828	info "emergency_perl_save: end write uuid\n";
		3829
		3830	cf::write_runtime_sync; # external watchdog should not bark
		3831
		3832	trace "emergency_perl_save: syncing database to disk";
		3833	BDB::db_env_txn_checkpoint $DB_ENV;
		3834
		3835	info "emergency_perl_save: starting sync\n";
		3836	IO::AIO::aio_sync sub {
		3837	info "emergency_perl_save: finished sync\n";
		3838	};
		3839
		3840	cf::write_runtime_sync; # external watchdog should not bark
		3841
		3842	trace "emergency_perl_save: flushing outstanding aio requests";
		3843	while (IO::AIO::nreqs || BDB::nreqs) {
		3844	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3845	}
		3846
		3847	cf::write_runtime_sync; # external watchdog should not bark
2994	};	3848	};
2995		3849
2996	warn "leave emergency perl save\n";	3850	info "emergency_perl_save: leave\n";
2997	}	3851	}
2998		3852
2999	sub post_cleanup {	3853	sub post_cleanup {
3000	my ($make_core) = @_;	3854	my ($make_core) = @_;
3001		3855
		3856	IO::AIO::flush;
		3857
3002	warn Carp::longmess "post_cleanup backtrace"	3858	error Carp::longmess "post_cleanup backtrace"
3003	if $make_core;	3859	if $make_core;
		3860
		3861	my $fh = pidfile;
		3862	unlink $PIDFILE if <$fh> == $$;
		3863	}
		3864
		3865	# a safer delete_package, copied from Symbol
		3866	sub clear_package($) {
		3867	my $pkg = shift;
		3868
		3869	# expand to full symbol table name if needed
		3870	unless ($pkg =~ /^main::.*::$/) {
		3871	$pkg = "main$pkg" if $pkg =~ /^::/;
		3872	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3873	$pkg .= '::' unless $pkg =~ /::$/;
		3874	}
		3875
		3876	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3877	my $stem_symtab = *{$stem}{HASH};
		3878
		3879	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3880	or return;
		3881
		3882	# clear all symbols
		3883	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3884	for my $name (keys %$leaf_symtab) {
		3885	_gv_clear *{"$pkg$name"};
		3886	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3887	}
3004	}	3888	}
3005		3889
3006	sub do_reload_perl() {	3890	sub do_reload_perl() {
3007	# can/must only be called in main	3891	# can/must only be called in main
3008	if ($Coro::current != $Coro::main) {	3892	unless (in_main) {
3009	warn "can only reload from main coroutine";	3893	error "can only reload from main coroutine";
3010	return;	3894	return;
3011	}	3895	}
3012		3896
3013	warn "reloading...";	3897	return if $RELOAD++;
3014		3898
3015	warn "entering sync_job";	3899	my $t1 = AE::time;
3016		3900
		3901	while ($RELOAD) {
		3902	cf::get_slot 0.1, -1, "reload_perl";
		3903	info "perl_reload: reloading...";
		3904
		3905	trace "perl_reload: entering sync_job";
		3906
3017	cf::sync_job {	3907	cf::sync_job {
3018	cf::write_runtime; # external watchdog should not bark
3019	cf::emergency_save;	3908	#cf::emergency_save;
3020	cf::write_runtime; # external watchdog should not bark
3021		3909
3022	warn "syncing database to disk";
3023	BDB::db_env_txn_checkpoint $DB_ENV;
3024
3025	# if anything goes wrong in here, we should simply crash as we already saved
3026
3027	warn "cancelling all WF_AUTOCANCEL watchers";
3028	for (Event::all_watchers) {
3029	$_->cancel if $_->data & WF_AUTOCANCEL;
3030	}
3031
3032	warn "flushing outstanding aio requests";
3033	for (;;) {
3034	BDB::flush;
3035	IO::AIO::flush;
3036	Coro::cede;
3037	last unless IO::AIO::nreqs || BDB::nreqs;
3038	warn "iterate...";
3039	}
3040
3041	++$RELOAD;
3042
3043	warn "cancelling all extension coros";	3910	trace "perl_reload: cancelling all extension coros";
3044	$_->cancel for values %EXT_CORO;	3911	$_->cancel for values %EXT_CORO;
3045	%EXT_CORO = ();	3912	%EXT_CORO = ();
3046		3913
3047	warn "removing commands";	3914	trace "perl_reload: removing commands";
3048	%COMMAND = ();	3915	%COMMAND = ();
3049		3916
3050	warn "removing ext/exti commands";	3917	trace "perl_reload: removing ext/exti commands";
3051	%EXTCMD = ();	3918	%EXTCMD = ();
3052	%EXTICMD = ();	3919	%EXTICMD = ();
3053		3920
3054	warn "unloading/nuking all extensions";	3921	trace "perl_reload: unloading/nuking all extensions";
3055	for my $pkg (@EXTS) {	3922	for my $pkg (@EXTS) {
3056	warn "... unloading $pkg";	3923	trace "... unloading $pkg";
3057		3924
3058	if (my $cb = $pkg->can ("unload")) {	3925	if (my $cb = $pkg->can ("unload")) {
3059	eval {	3926	eval {
3060	$cb->($pkg);	3927	$cb->($pkg);
3061	1	3928	1
3062	} or warn "$pkg unloaded, but with errors: $@";	3929	} or error "$pkg unloaded, but with errors: $@";
		3930	}
		3931
		3932	trace "... clearing $pkg";
		3933	clear_package $pkg;
3063	}	3934	}
3064		3935
3065	warn "... nuking $pkg";
3066	Symbol::delete_package $pkg;
3067	}
3068
3069	warn "unloading all perl modules loaded from $LIBDIR";	3936	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3070	while (my ($k, $v) = each %INC) {	3937	while (my ($k, $v) = each %INC) {
3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3072		3939
3073	warn "... unloading $k";	3940	trace "... unloading $k";
3074	delete $INC{$k};	3941	delete $INC{$k};
3075		3942
3076	$k =~ s/\.pm$//;	3943	$k =~ s/\.pm$//;
3077	$k =~ s/\//::/g;	3944	$k =~ s/\//::/g;
3078		3945
3079	if (my $cb = $k->can ("unload_module")) {	3946	if (my $cb = $k->can ("unload_module")) {
3080	$cb->();	3947	$cb->();
		3948	}
		3949
		3950	clear_package $k;
3081	}	3951	}
3082		3952
3083	Symbol::delete_package $k;
3084	}
3085
3086	warn "getting rid of safe::, as good as possible";	3953	trace "perl_reload: getting rid of safe::, as good as possible";
3087	Symbol::delete_package "safe::$_"	3954	clear_package "safe::$_"
3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3089		3956
3090	warn "unloading cf.pm \"a bit\"";	3957	trace "perl_reload: unloading cf.pm \"a bit\"";
3091	delete $INC{"cf.pm"};	3958	delete $INC{"cf.pm"};
3092	delete $INC{"cf/pod.pm"};	3959	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3093		3960
3094	# don't, removes xs symbols, too,	3961	# don't, removes xs symbols, too,
3095	# and global variables created in xs	3962	# and global variables created in xs
3096	#Symbol::delete_package __PACKAGE__;	3963	#clear_package __PACKAGE__;
3097		3964
3098	warn "unload completed, starting to reload now";	3965	info "perl_reload: unload completed, starting to reload now";
3099		3966
3100	warn "reloading cf.pm";	3967	trace "perl_reload: reloading cf.pm";
3101	require cf;	3968	require cf;
3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3969	cf::_connect_to_perl_1;
3103		3970
3104	warn "loading config and database again";	3971	trace "perl_reload: loading config and database again";
3105	cf::cfg_load;	3972	cf::reload_config;
3106		3973
3107	warn "loading extensions";	3974	trace "perl_reload: loading extensions";
3108	cf::load_extensions;	3975	cf::load_extensions;
3109		3976
		3977	if ($REATTACH_ON_RELOAD) {
3110	warn "reattaching attachments to objects/players";	3978	trace "perl_reload: reattaching attachments to objects/players";
3111	_global_reattach; # objects, sockets	3979	_global_reattach; # objects, sockets
3112	warn "reattaching attachments to maps";	3980	trace "perl_reload: reattaching attachments to maps";
3113	reattach $_ for values %MAP;	3981	reattach $_ for values %MAP;
3114	warn "reattaching attachments to players";	3982	trace "perl_reload: reattaching attachments to players";
3115	reattach $_ for values %PLAYER;	3983	reattach $_ for values %PLAYER;
		3984	}
3116		3985
3117	warn "leaving sync_job";	3986	cf::_post_init 1;
3118		3987
		3988	trace "perl_reload: leaving sync_job";
		3989
3119	1	3990	1
3120	} or do {	3991	} or do {
3121	warn $@;	3992	error $@;
3122	warn "error while reloading, exiting.";	3993	cf::cleanup "perl_reload: error, exiting.";
3123	exit 1;	3994	};
		3995
		3996	--$RELOAD;
3124	};	3997	}
3125		3998
3126	warn "reloaded";	3999	$t1 = AE::time - $t1;
		4000	info "perl_reload: completed in ${t1}s\n";
3127	};	4001	};
3128		4002
3129	our $RELOAD_WATCHER; # used only during reload	4003	our $RELOAD_WATCHER; # used only during reload
3130		4004
3131	sub reload_perl() {	4005	sub reload_perl() {
3132	# doing reload synchronously and two reloads happen back-to-back,	4006	# doing reload synchronously and two reloads happen back-to-back,
3133	# coro crashes during coro_state_free->destroy here.	4007	# coro crashes during coro_state_free->destroy here.
3134		4008
3135	$RELOAD_WATCHER ||= Event->timer (	4009	$RELOAD_WATCHER ||= cf::async {
3136	reentrant => 0,	4010	Coro::AIO::aio_wait cache_extensions;
3137	after => 0,	4011
3138	data => WF_AUTOCANCEL,	4012	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3139	cb => sub {
3140	do_reload_perl;	4013	do_reload_perl;
3141	undef $RELOAD_WATCHER;	4014	undef $RELOAD_WATCHER;
3142	},	4015	};
3143	);	4016	};
3144	}	4017	}
3145		4018
3146	register_command "reload" => sub {	4019	register_command "reload" => sub {
3147	my ($who, $arg) = @_;	4020	my ($who, $arg) = @_;
3148		4021
3149	if ($who->flag (FLAG_WIZ)) {	4022	if ($who->flag (FLAG_WIZ)) {
3150	$who->message ("reloading server.");	4023	$who->message ("reloading server.");
		4024	async {
		4025	$Coro::current->{desc} = "perl_reload";
3151	async { reload_perl };	4026	reload_perl;
		4027	};
3152	}	4028	}
3153	};	4029	};
3154		4030
3155	unshift @INC, $LIBDIR;	4031	#############################################################################
3156		4032
3157	my $bug_warning = 0;	4033	my $bug_warning = 0;
3158		4034
3159	our @WAIT_FOR_TICK;	4035	our @WAIT_FOR_TICK;
3160	our @WAIT_FOR_TICK_BEGIN;	4036	our @WAIT_FOR_TICK_BEGIN;
3161		4037
3162	sub wait_for_tick {	4038	sub wait_for_tick() {
3163	return unless $TICK_WATCHER->is_active;
3164	return if $Coro::current == $Coro::main;	4039	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3165		4040
3166	my $signal = new Coro::Signal;	4041	my $signal = new Coro::Signal;
3167	push @WAIT_FOR_TICK, $signal;	4042	push @WAIT_FOR_TICK, $signal;
3168	$signal->wait;	4043	$signal->wait;
3169	}	4044	}
3170		4045
3171	sub wait_for_tick_begin {	4046	sub wait_for_tick_begin() {
3172	return unless $TICK_WATCHER->is_active;
3173	return if $Coro::current == $Coro::main;	4047	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3174		4048
3175	my $signal = new Coro::Signal;	4049	my $signal = new Coro::Signal;
3176	push @WAIT_FOR_TICK_BEGIN, $signal;	4050	push @WAIT_FOR_TICK_BEGIN, $signal;
3177	$signal->wait;	4051	$signal->wait;
3178	}	4052	}
3179		4053
3180	my $min = 1e6;#d#	4054	sub tick {
3181	my $avg = 10;
3182	$TICK_WATCHER = Event->timer (
3183	reentrant => 0,
3184	parked => 1,
3185	prio => 0,
3186	at => $NEXT_TICK || $TICK,
3187	data => WF_AUTOCANCEL,
3188	cb => sub {
3189	if ($Coro::current != $Coro::main) {	4055	if ($Coro::current != $Coro::main) {
3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3191	unless ++$bug_warning > 10;	4057	unless ++$bug_warning > 10;
3192	return;	4058	return;
3193	}	4059	}
3194		4060
3195	$NOW = $tick_start = Event::time;
3196
3197	cf::server_tick; # one server iteration	4061	cf::server_tick; # one server iteration
3198		4062
3199	0 && sync_job {#d#	4063	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3200	for(1..10) {
3201	my $t = Event::time;
3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3203	or die;
3204		4064
3205	$map->width (50);	4065	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3206	$map->height (50);	4066	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3207	$map->alloc;	4067	Coro::async_pool {
3208	$map->_load_objects ("/tmp/x.map", 1);	4068	$Coro::current->{desc} = "runtime saver";
3209	my $t = Event::time - $t;	4069	write_runtime_sync
3210		4070	or error "ERROR: unable to write runtime file: $!";
3211	#next unless $t < 0.0013;#d#
3212	if ($t < $min) {
3213	$min = $t;
3214	}
3215	$avg = $avg * 0.99 + $t * 0.01;
3216	}
3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3218	exit 0;
3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3220	};	4071	};
		4072	}
3221		4073
3222	$RUNTIME += $TICK;
3223	$NEXT_TICK += $TICK;
3224
3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
3227	Coro::async_pool {
3228	write_runtime
3229	or warn "ERROR: unable to write runtime file: $!";
3230	};
3231	}
3232
3233	# my $AFTER = Event::time;
3234	# warn $AFTER - $NOW;#d#
3235
3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4074	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3237	$sig->send;	4075	$sig->send;
3238	}	4076	}
3239	while (my $sig = shift @WAIT_FOR_TICK) {	4077	while (my $sig = shift @WAIT_FOR_TICK) {
3240	$sig->send;	4078	$sig->send;
3241	}	4079	}
3242		4080
3243	$NOW = Event::time;	4081	$LOAD = ($NOW - $TICK_START) / $TICK;
3244
3245	# if we are delayed by four ticks or more, skip them all
3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3247
3248	$TICK_WATCHER->at ($NEXT_TICK);
3249	$TICK_WATCHER->start;
3250
3251	$LOAD = ($NOW - $tick_start) / $TICK;
3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4082	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3253		4083
3254	_post_tick;	4084	if (0) {
3255		4085	if ($NEXT_TICK) {
3256		4086	my $jitter = $TICK_START - $NEXT_TICK;
		4087	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4088	debug "jitter $JITTER\n";#d#
		4089	}
3257	},	4090	}
3258	);	4091	}
3259		4092
3260	{	4093	{
3261	BDB::max_poll_time $TICK * 0.1;	4094	# configure BDB
3262	$BDB_POLL_WATCHER = Event->io (	4095
3263	reentrant => 0,
3264	fd => BDB::poll_fileno,
3265	poll => 'r',
3266	prio => 0,
3267	data => WF_AUTOCANCEL,
3268	cb => \&BDB::poll_cb,
3269	);
3270	BDB::min_parallel 8;	4096	BDB::min_parallel 16;
3271		4097	BDB::max_poll_reqs $TICK * 0.1;
3272	BDB::set_sync_prepare {	4098	$AnyEvent::BDB::WATCHER->priority (1);
3273	my $status;
3274	my $current = $Coro::current;
3275	(
3276	sub {
3277	$status = $!;
3278	$current->ready; undef $current;
3279	},
3280	sub {
3281	Coro::schedule while defined $current;
3282	$! = $status;
3283	},
3284	)
3285	};
3286		4099
3287	unless ($DB_ENV) {	4100	unless ($DB_ENV) {
3288	$DB_ENV = BDB::db_env_create;	4101	$DB_ENV = BDB::db_env_create;
		4102	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4103	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4104	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4105	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4106	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3289		4107
3290	cf::sync_job {	4108	cf::sync_job {
3291	eval {	4109	eval {
3292	BDB::db_env_open	4110	BDB::db_env_open
3293	$DB_ENV,	4111	$DB_ENV,
…		…
3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3297	0666;	4115	0666;
3298		4116
3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3300
3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3302	$DB_ENV->set_lk_detect;
3303	};	4118	};
3304		4119
3305	cf::cleanup "db_env_open(db): $@" if $@;	4120	cf::cleanup "db_env_open(db): $@" if $@;
3306	};	4121	};
3307	}	4122	}
		4123
		4124	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4125	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4126	};
		4127	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4128	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4129	};
		4130	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4131	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4132	};
3308	}	4133	}
3309		4134
3310	{	4135	{
		4136	# configure IO::AIO
		4137
3311	IO::AIO::min_parallel 8;	4138	IO::AIO::min_parallel 8;
3312
3313	undef $Coro::AIO::WATCHER;
3314	IO::AIO::max_poll_time $TICK * 0.1;	4139	IO::AIO::max_poll_time $TICK * 0.1;
3315	$AIO_POLL_WATCHER = Event->io (	4140	undef $AnyEvent::AIO::WATCHER;
3316	reentrant => 0,
3317	data => WF_AUTOCANCEL,
3318	fd => IO::AIO::poll_fileno,
3319	poll => 'r',
3320	prio => 6,
3321	cb => \&IO::AIO::poll_cb,
3322	);
3323	}	4141	}
3324		4142
3325	my $_log_backtrace;	4143	our $_log_backtrace;
		4144	our $_log_backtrace_last;
3326		4145
3327	sub _log_backtrace {	4146	sub _log_backtrace {
3328	my ($msg, @addr) = @_;	4147	my ($msg, @addr) = @_;
3329		4148
3330	$msg =~ s/\n//;	4149	$msg =~ s/\n$//;
3331		4150
		4151	if ($_log_backtrace_last eq $msg) {
		4152	LOG llevInfo, "[ABT] $msg\n";
		4153	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3332	# limit the # of concurrent backtraces	4154	# limit the # of concurrent backtraces
3333	if ($_log_backtrace < 2) {	4155	} elsif ($_log_backtrace < 2) {
		4156	$_log_backtrace_last = $msg;
3334	++$_log_backtrace;	4157	++$_log_backtrace;
		4158	my $perl_bt = Carp::longmess $msg;
3335	async {	4159	async {
		4160	$Coro::current->{desc} = "abt $msg";
		4161
3336	my @bt = fork_call {	4162	my @bt = fork_call {
3337	@addr = map { sprintf "%x", $_ } @addr;	4163	@addr = map { sprintf "%x", $_ } @addr;
3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4164	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4165	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3340	or die "addr2line: $!";	4166	or die "addr2line: $!";
…		…
3348	}	4174	}
3349		4175
3350	@funcs	4176	@funcs
3351	};	4177	};
3352		4178
3353	LOG llevInfo, "[ABT] $msg\n";	4179	LOG llevInfo, "[ABT] $perl_bt\n";
		4180	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3354	LOG llevInfo, "[ABT] $_\n" for @bt;	4181	LOG llevInfo, "[ABT] $_\n" for @bt;
3355	--$_log_backtrace;	4182	--$_log_backtrace;
3356	};	4183	};
3357	} else {	4184	} else {
3358	LOG llevInfo, "[ABT] $msg\n";	4185	LOG llevInfo, "[ABT] $msg\n";
3359	LOG llevInfo, "[ABT] [suppressed]\n";	4186	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3360	}	4187	}
3361	}	4188	}
3362		4189
3363	# load additional modules	4190	# load additional modules
3364	use cf::pod;	4191	require "cf/$_.pm" for @EXTRA_MODULES;
		4192	cf::_connect_to_perl_2;
3365		4193
3366	END { cf::emergency_save }	4194	END { cf::emergency_save }
3367		4195
3368	1	4196	1
3369		4197

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