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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.300 by root, Tue Jul 10 06:44:29 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	123	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		132
85	our %CFG;	133	our %CFG;
86		134
87	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
89		138
90	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
93		142
94	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		145
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
100		155
101	binmode STDOUT;	156	binmode STDOUT;
102	binmode STDERR;	157	binmode STDERR;
103		158
104	# read virtual server time, if available	159	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
109	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
110		167
111	mkdir $_	168	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		170
114	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
115		172
116	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		189
118	#############################################################################	190	#############################################################################
119		191
120	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
121		193
…		…
157		229
158	The raw value load value from the last tick.	230	The raw value load value from the last tick.
159		231
160	=item %cf::CFG	232	=item %cf::CFG
161		233
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	235	from wherever your confdir points to.
164		236
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		238
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
171	=back	260	=back
172		261
173	=cut	262	=cut
174		263
175	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	271	my $msg = join "", @_;
178		272
179	$msg .= "\n"	273	$msg .= "\n"
180	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
181		275
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		277
184	utf8::encode $msg;
185	LOG llevError, $msg;	278	LOG llevWarn, $msg;
186	};	279	};
187	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
188		294
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	305	for my $pkg (qw(
200	cf::global cf::attachable	306	cf::global cf::attachable
201	cf::object cf::object::player	307	cf::object cf::object::player
202	cf::client cf::player	308	cf::client cf::player
203	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
204	cf::map cf::party cf::region	311	cf::party cf::region
205	)) {	312	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	314	}
209		315
210	$Event::DIED = sub {	316	$EV::DIED = sub {
211	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
212	};	318	};
213		319
214	#############################################################################	320	#############################################################################
215		321
216	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	345	$d
240	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
241	}	347	}
242		348
243	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
244		350
245	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
246		352
247	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
248		354
249	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
250		356
251	=cut	357	=cut
252		358
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		360
255	sub to_json ($) { $json_coder->encode ($_[0]) }	361	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
		405	}
257		406
258	=item cf::lock_wait $string	407	=item cf::lock_wait $string
259		408
260	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
261		410
262	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
263		412
264	Wait until the given lock is available and then acquires it and returns	413	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	414	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	415	for example when the coroutine gets canceled), the lock is automatically
267	returned.	416	returned.
268		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
269	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
271		423
272	=item $locked = cf::lock_active $string	424	=item $locked = cf::lock_active $string
273		425
274	Return true if the lock is currently active, i.e. somebody has locked it.	426	Return true if the lock is currently active, i.e. somebody has locked it.
275		427
276	=cut	428	=cut
277		429
278	our %LOCK;	430	our $LOCKS = new Coro::SemaphoreSet;
279		431
280	sub lock_wait($) {	432	sub lock_wait($) {
281	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	434	}
289		435
290	sub lock_acquire($) {	436	sub lock_acquire($) {
291	my ($key) = @_;	437	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	438	}
303		439
304	sub lock_active($) {	440	sub lock_active($) {
305	my ($key) = @_;	441	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	442	}
309		443
310	sub freeze_mainloop {	444	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
312		446
313	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	448	}
		449
		450	=item cf::periodic $interval, $cb
		451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
315	};	514	}
316	$TICK_WATCHER->stop;	515	};
317	$guard	516
		517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
318	}	530	}
319		531
320	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
321		533
322	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		539
328	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
329		541
330	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
331		543
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	544	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	545	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	547	acceptable.
336		548
337	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	554	=cut
343		555
344	sub sync_job(&) {	556	sub sync_job(&) {
345	my ($job) = @_;	557	my ($job) = @_;
346		558
347	if ($Coro::current == $Coro::main) {	559	if (in_main) {
348	my $time = Event::time;	560	my $time = AE::time;
349		561
350	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
352		564
353	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	566
355	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
356		568
357	my $busy = 1;	569	my $busy = 1;
358	my @res;	570	my @res;
359		571
360	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	574	@res = eval { $job->() };
362	warn $@ if $@;	575	error $@ if $@;
363	undef $busy;	576	undef $busy;
364	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
365		578
366	while ($busy) {	579	while ($busy) {
367	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
368	}	584	}
		585	}
369		586
370	$time = Event::time - $time;	587	my $time = AE::time - $time;
371		588
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	589	$TICK_START += $time; # do not account sync jobs to server load
376		590
377	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
378	} else {	592	} else {
379	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
380		594
…		…
400	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
401		615
402	$coro	616	$coro
403	}	617	}
404		618
405	=item fork_call { }, $args	619	=item fork_call { }, @args
406		620
407	Executes the given code block with the given arguments in a seperate	621	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	622	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	623	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	624	never block itself or use any form of event handling.
411		625
412	=cut	626	=cut
413		627
414	sub _store_scalar {	628	sub post_fork {
415	open my $fh, ">", \my $buf	629	reset_signals;
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}	630	}
422		631
423	sub fork_call(&@) {	632	sub fork_call(&@) {
424	my ($cb, @args) = @_;	633	my ($cb, @args) = @_;
425		634
426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	635	# we seemingly have to make a local copy of the whole thing,
427	# or die "socketpair: $!";	636	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	637	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		638
431	if (my $pid = fork) {	639	my @res = Coro::Util::fork_eval {
432	close $fh2;	640	cf::post_fork;
		641	&$cb
		642	} @args;
433		643
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	644	wantarray ? @res : $res[-1]
435	warn "pst<$res>" unless $res =~ /^pst/;	645	}
436	$res = Coro::Storable::thaw $res;
437		646
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	647	sub objinfo {
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;
445	local $SIG{__WARN__};
446	local $SIG{__DIE__};
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452
453	eval {
454	close $fh1;
455
456	my @res = eval { $cb->(@args) };
457
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459	close $fh2;
460	};
461
462	warn $@ if $@;
463	_exit 0;
464	}	648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
465	}	683	}
466		684
467	=item $value = cf::db_get $family => $key	685	=item $value = cf::db_get $family => $key
468		686
469	Returns a single value from the environment database.	687	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	689	=item cf::db_put $family => $key => $value
472		690
473	Stores the given C<$value> in the family. It can currently store binary	691	Stores the given C<$value> in the family. It can currently store binary
474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
476	=cut	699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
		715	};
		716	cf::cleanup "db_open(db): $@" if $@;
		717
		718	$db
		719	}
477		720
478	our $DB;	721	our $DB;
479		722
480	sub db_init {	723	sub db_init {
481	unless ($DB) {	724	$DB ||= db_table "db";
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {
485	eval {
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}
495	}	725	}
496		726
497	sub db_get($$) {	727	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	728	my $key = "$_[0]/$_[1]";
499		729
500	cf::sync_job {	730	cf::error "db_get called from main context"
		731	if $Coro::current == $Coro::main;
		732
501	BDB::db_get $DB, undef, $key, my $data;	733	BDB::db_get $DB, undef, $key, my $data;
502		734
503	$! ? ()	735	$! ? ()
504	: $data	736	: $data
505	}
506	}	737	}
507		738
508	sub db_put($$$) {	739	sub db_put($$$) {
509	BDB::dbreq_pri 4;	740	BDB::dbreq_pri 4;
510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
549	if (1) {	780	if (1) {
550	$md5 =	781	$md5 =
551	join "\x00",	782	join "\x00",
552	$processversion,	783	$processversion,
553	map {	784	map {
554	Coro::cede;	785	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	786	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	787	} 0.. $#$src;
557		788
558		789
559	my $dbmd5 = db_get cache => "$id/md5";	790	my $dbmd5 = db_get cache => "$id/md5";
…		…
566		797
567	my $t1 = Time::HiRes::time;	798	my $t1 = Time::HiRes::time;
568	my $data = $process->(\@data);	799	my $data = $process->(\@data);
569	my $t2 = Time::HiRes::time;	800	my $t2 = Time::HiRes::time;
570		801
571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
572		803
573	db_put cache => "$id/data", $data;	804	db_put cache => "$id/data", $data;
574	db_put cache => "$id/md5" , $md5;	805	db_put cache => "$id/md5" , $md5;
575	db_put cache => "$id/meta", $meta;	806	db_put cache => "$id/meta", $meta;
576		807
…		…
586		817
587	=cut	818	=cut
588		819
589	sub datalog($@) {	820	sub datalog($@) {
590	my ($type, %kv) = @_;	821	my ($type, %kv) = @_;
591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
592	}	823	}
593		824
594	=back	825	=back
595		826
596	=cut	827	=cut
597		828
598	#############################################################################	829	#############################################################################
599		830
600	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
601		832
602	Many objects in crossfire are so-called attachable objects. That means you can	833	Many objects in deliantra are so-called attachable objects. That means you can
603	attach callbacks/event handlers (a collection of which is called an "attachment")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
604	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
605		836
606	In the following description, CLASS can be any of C<global>, C<object>	837	In the following description, CLASS can be any of C<global>, C<object>
607	C<player>, C<client> or C<map> (i.e. the attachable objects in	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
608	Crossfire TRT).	839	Deliantra).
609		840
610	=over 4	841	=over 4
611		842
612	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
613		844
…		…
657	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
658		889
659	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
660	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
661		892
662	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
663	that are attached at load/instantiate time, thus the need for a name.	894	that are attached at load/instantiate time, thus the need for a name.
664		895
665	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
666		897
667	=over 4	898	=over 4
…		…
791		1022
792	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
793	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
794		1025
795	} elsif (ref $type) {	1026	} elsif (ref $type) {
796	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
797		1028
798	} else {	1029	} else {
799	shift @arg;	1030	shift @arg;
800	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
801	}	1032	}
802	}	1033	}
803	}	1034	}
804		1035
805	sub _object_attach {	1036	sub _object_attach {
…		…
815	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
816	}	1047	}
817		1048
818	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
819	} else {	1050	} else {
820	warn "object uses attachment '$name' which is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
821	}	1052	}
822		1053
823	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
824	}	1055	}
825		1056
…		…
865	";	1096	";
866	die if $@;	1097	die if $@;
867	}	1098	}
868		1099
869	our $override;	1100	our $override;
870	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1101	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
871		1102
872	sub override {	1103	sub override {
873	$override = 1;	1104	$override = 1;
874	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
875	}	1106	}
876		1107
877	sub do_invoke {	1108	sub do_invoke {
878	my $event = shift;	1109	my $event = shift;
879	my $callbacks = shift;	1110	my $callbacks = shift;
880		1111
881	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
882		1113
883	local $override;	1114	local $override;
884		1115
885	for (@$callbacks) {	1116	for (@$callbacks) {
886	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
887		1118
888	if ($@) {	1119	if ($@) {
889	warn "$@";
890	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
891	override;	1121	override;
892	}	1122	}
893		1123
894	return 1 if $override;	1124	return 1 if $override;
895	}	1125	}
896		1126
897	0	1127	0
898	}	1128	}
899		1129
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1131
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1133
904	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
905		1135
906	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1136	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
907	removed in future versions), and there is no public API to access override	1137	removed in future versions), and there is no public API to access override
908	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1139
910	=back	1140	=back
911		1141
912	=cut	1142	=cut
913		1143
914	#############################################################################	1144	#############################################################################
915	# object support	1145	# object support
		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
		1180	sub _can_merge {
		1181	my ($ob1, $ob2) = @_;
		1182
		1183	++$SLOW_MERGES;#d#
		1184
		1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
		1187	}
916		1188
917	sub reattach {	1189	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1191	my ($obj) = @_;
920		1192
		1193	# no longer needed after getting rid of delete_package?
921	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
922		1195
923	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
924		1197
925	@$registry = ();	1198	@$registry = ();
926		1199
…		…
931	for (@$attach) {	1204	for (@$attach) {
932	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
933	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
934	}	1207	}
935	} else {	1208	} else {
936	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
937	}	1210	}
938	}	1211	}
939	}	1212	}
940		1213
941	cf::attachable->attach (	1214	cf::attachable->attach (
942	prio => -1000000,	1215	prio => -1000000,
943	on_instantiate => sub {	1216	on_instantiate => sub {
944	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
945		1218
946	$data = from_json $data;	1219	$data = decode_json $data;
947		1220
948	for (@$data) {	1221	for (@$data) {
949	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
950		1223
951	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1240	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
969		1242
970	sync_job {	1243	sync_job {
971	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
974		1249
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($cf::USE_FSYNC) {
		1254	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1255	aio_fsync $fh;
		1256	}
979	close $fh;	1257	aio_close $fh;
980		1258
981	if (@$objs) {	1259	if (@$objs) {
982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($cf::USE_FSYNC) {
		1265	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1266	aio_fsync $fh;
		1267	}
987	close $fh;	1268	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
989	}	1270	}
990	} else {	1271	} else {
991	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
992	}	1273	}
993		1274
994	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1279	} else {
996	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
997	}	1281	}
998	} else {	1282	} else {
999	aio_unlink $filename;	1283	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
1001	}	1285	}
1002	}	1286	};
1003	}	1287	}
1004		1288
1005	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
1007		1291
…		…
1019	or return;	1303	or return;
1020		1304
1021	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1307	or return;
		1308
1024	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
1025	}	1311	}
1026		1312
		1313	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
1029	return ($data, $av);	1318	($data, $av)
1030	}	1319	}
1031		1320
1032	=head2 COMMAND CALLBACKS	1321	=head2 COMMAND CALLBACKS
1033		1322
1034	=over 4	1323	=over 4
…		…
1088	my ($name, $cb) = @_;	1377	my ($name, $cb) = @_;
1089		1378
1090	$EXTICMD{$name} = $cb;	1379	$EXTICMD{$name} = $cb;
1091	}	1380	}
1092		1381
		1382	use File::Glob ();
		1383
1093	cf::player->attach (	1384	cf::player->attach (
1094	on_command => sub {	1385	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
1096		1387
1097	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
1098	or return;	1389	or return;
1099		1390
…		…
1107	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
1108		1399
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1401
1111	if (ref $msg) {	1402	if (ref $msg) {
		1403	my ($type, $reply, @payload) =
		1404	"ARRAY" eq ref $msg
		1405	? @$msg
		1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1407
		1408	my @reply;
		1409
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
1117	} else {	1417	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1419	}
1120		1420
1121	cf::override;	1421	cf::override;
1122	},	1422	},
1123	);	1423	);
1124		1424
		1425	# "readahead" all extensions
		1426	sub cache_extensions {
		1427	my $grp = IO::AIO::aio_group;
		1428
		1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1430	for (grep /\.ext$/, @{$_[0]}) {
		1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1432	}
		1433	};
		1434
		1435	$grp
		1436	}
		1437
1125	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
1126	cf::sync_job {	1441	cf::sync_job {
1127	my %todo;	1442	my %todo;
1128		1443
1129	for my $path (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
1130	next unless -r $path;	1445	next unless -r $path;
…		…
1148		1463
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1466
1152	$ext{source} =	1467	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1468	"package $pkg; use common::sense;\n"
1154	. "#line 1 \"$path\"\n{\n"	1469	. "#line 1 \"$path\"\n{\n"
1155	. $source	1470	. $source
1156	. "\n};\n1";	1471	. "\n};\n1";
1157		1472
1158	$todo{$base} = \%ext;	1473	$todo{$base} = \%ext;
1159	}	1474	}
1160		1475
		1476	my $pass = 0;
1161	my %done;	1477	my %done;
1162	while (%todo) {	1478	while (%todo) {
1163	my $progress;	1479	my $progress;
1164		1480
		1481	++$pass;
		1482
		1483	ext:
1165	while (my ($k, $v) = each %todo) {	1484	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1485	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1486	next ext
1168	unless exists $done{$_};	1487	unless exists $done{$_};
1169	}	1488	}
1170		1489
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1491
1173	unless (eval $v->{source}) {	1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1495	error "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";
1176		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1498	if exists $v->{meta}{mandatory};
1178	warn $msg;	1499
1179	warn "mandatory extension failed to load, exiting.\n";	1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1180	exit 1;	1501	delete $todo{$k};
1181	}	1502	} else {
1182		1503	$done{$k} = delete $todo{$k};
1183	warn $msg;	1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
1184	}	1509	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1510	}
1190		1511
1191	skip:	1512	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	unless $progress;	1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
1194	}	1520	}
1195	};	1521	};
1196	}	1522	}
1197		1523
1198	#############################################################################	1524	#############################################################################
1199		1525
1200	=back	1526	=back
1201		1527
1202	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
1203		1529
1204	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
1205		1531
1206	=cut	1532	=cut
1207		1533
1208	package cf::player;	1534	package cf::player;
1209		1535
1210	use Coro::AIO;	1536	use Coro::AIO;
1211		1537
1212	=head3 cf::player	1538	=head3 cf::player
1213		1539
1214	=over 4	1540	=over 4
		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
1215		1555
1216	=item cf::player::find $login	1556	=item cf::player::find $login
1217		1557
1218	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
1219		1559
…		…
1238		1578
1239	sub exists($) {	1579	sub exists($) {
1240	my ($login) = @_;	1580	my ($login) = @_;
1241		1581
1242	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
1244	}	1584	}
1245		1585
1246	sub find($) {	1586	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1588	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1598	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1599
1260	my $pl = load_pl path $login	1600	my $f = new_from_file cf::object::thawer path $login
1261	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
1262	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
1263	}	1609	}
1264	}	1610	}
1265	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
1266		1625
1267	sub save($) {	1626	sub save($) {
1268	my ($pl) = @_;	1627	my ($pl) = @_;
1269		1628
1270	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1275	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1276		1635
1277	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1279		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1280	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1281	Coro::cede;	1645	cf::cede_to_tick;
1282	}	1646	}
1283		1647
1284	sub new($) {	1648	sub new($) {
1285	my ($login) = @_;	1649	my ($login) = @_;
1286		1650
…		…
1292	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1293		1657
1294	$self	1658	$self
1295	}	1659	}
1296		1660
		1661	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1662
		1663	=cut
		1664
		1665	sub send_msg {
		1666	my $ns = shift->ns
		1667	or return;
		1668	$ns->send_msg (@_);
		1669	}
		1670
1297	=item $pl->quit_character	1671	=item $pl->quit_character
1298		1672
1299	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1301		1675
…		…
1305	my ($pl) = @_;	1679	my ($pl) = @_;
1306		1680
1307	my $name = $pl->ob->name;	1681	my $name = $pl->ob->name;
1308		1682
1309	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1310	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1311		1685
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1313	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1315	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1316		1694
1317	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1319	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
…		…
1354	or return [];	1732	or return [];
1355		1733
1356	my @logins;	1734	my @logins;
1357		1735
1358	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1362		1746
1363	utf8::decode $login;	1747	utf8::decode $login;
1364	push @logins, $login;	1748	push @logins, $login;
1365	}	1749	}
1366		1750
1367	\@logins	1751	\@logins
1368	}	1752	}
1369		1753
1370	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1371		1757
1372	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1373	player. May block.	1759	player. May block.
1374		1760
1375	=cut	1761	=cut
…		…
1393	}	1779	}
1394		1780
1395	\@paths	1781	\@paths
1396	}	1782	}
1397		1783
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1785
1400	Expand crossfire pod fragments into protocol xml.	1786	Expand deliantra pod fragments into protocol xml.
1401		1787
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	warn $_;#d#
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1450		1789
1451	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1452		1791
1453	=cut	1792	=cut
1454		1793
1455	sub ext_reply($$%) {	1794	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1457		1796
1458	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1798	}
1461		1799
1462	=item $player->ext_event ($type, %msg)	1800	=item $player->ext_msg ($type, @msg)
1463		1801
1464	Sends an ext event to the client.	1802	Sends an ext event to the client.
1465		1803
1466	=cut	1804	=cut
1467		1805
1468	sub ext_event($$%) {	1806	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1807	my ($self, $type, @msg) = @_;
1470		1808
1471	$self->ns->ext_event ($type, %msg);	1809	$self->ns->ext_msg ($type, @msg);
1472	}	1810	}
1473		1811
1474	=head3 cf::region	1812	=head3 cf::region
1475		1813
1476	=over 4	1814	=over 4
…		…
1486	=cut	1824	=cut
1487		1825
1488	sub find_by_path($) {	1826	sub find_by_path($) {
1489	my ($path) = @_;	1827	my ($path) = @_;
1490		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
		1830
1491	my ($match, $specificity);	1831	my ($match, $specificity);
1492		1832
1493	for my $region (list) {	1833	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1834	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1835	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1836	if $region->specificity > $specificity;
1497	}	1837	}
1498	}	1838	}
1499		1839
…		…
1520	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1522		1862
1523	sub generate_random_map {	1863	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1525	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1526	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1538	)
1539	}	1869	}
1540		1870
1541	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1542		1872
1543	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1548		1878
1549	sub register {	1879	sub register {
1550	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1881	my $pkg = caller;
1552		1882
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1884
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1886	}
1558		1887
1559	# also paths starting with '/'	1888	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1890
1562	sub thawer_merge {	1891	sub thawer_merge {
1563	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1564		1893
1565	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
…		…
1570	}	1899	}
1571		1900
1572	sub normalise {	1901	sub normalise {
1573	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1574		1903
1575	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1576		1905
1577	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1578		1907
1579	# map plan:	1908	# map plan:
1580	#	1909	#
…		…
1595	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	1925	$path = "$base/$path";
1597	}	1926	}
1598		1927
1599	for ($path) {	1928	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1603	}	1931	}
1604		1932
1605	$path	1933	$path
…		…
1619	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1620	return $self;	1948	return $self;
1621	}	1949	}
1622	}	1950	}
1623		1951
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	1953	()
1626	}	1954	}
1627		1955
1628	sub init {	1956	sub init {
1629	my ($self) = @_;	1957	my ($self) = @_;
…		…
1651		1979
1652	# the temporary/swap location	1980	# the temporary/swap location
1653	sub save_path {	1981	sub save_path {
1654	my ($self) = @_;	1982	my ($self) = @_;
1655		1983
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1985	"$TMPDIR/$path.map"
1658	}	1986	}
1659		1987
1660	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1661	sub uniq_path {	1989	sub uniq_path {
1662	my ($self) = @_;	1990	my ($self) = @_;
1663		1991
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1993	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	1994	}
1676		1995
1677	sub decay_objects {	1996	sub decay_objects {
1678	my ($self) = @_;	1997	my ($self) = @_;
1679		1998
…		…
1692		2011
1693	sub load_header_from($) {	2012	sub load_header_from($) {
1694	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1695		2014
1696	utf8::encode $path;	2015	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1702		2024
1703	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1704		2026
1705	1	2027	1
1706	}	2028	}
…		…
1758		2080
1759	sub find;	2081	sub find;
1760	sub find {	2082	sub find {
1761	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1762		2084
		2085	cf::cede_to_tick;
		2086
1763	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1764		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2091
1767	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1770	or return;	2094	or return;
1771		2095
1772	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1773		2097
…		…
1775	or return;	2099	or return;
1776		2100
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1780	$map->reset;	2106	$map->reset;
1781	undef $guard;
1782	return find $path;	2107	return find $path;
1783	}	2108	}
1784		2109
1785	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1786	}	2111	}
1787	}	2112	}
1788		2113
1789	sub pre_load { }	2114	sub pre_load { }
1790	sub post_load { }	2115	#sub post_load { } # XS
1791		2116
1792	sub load {	2117	sub load {
1793	my ($self) = @_;	2118	my ($self) = @_;
1794		2119
1795	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1796		2121
1797	my $path = $self->{path};	2122	my $path = $self->{path};
1798		2123
1799	{	2124	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1801		2126
		2127	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2129
1804	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1805		2131
1806	$self->alloc;	2132	$self->alloc;
1807		2133
1808	$self->pre_load;	2134	$self->pre_load;
1809	Coro::cede;	2135	cf::cede_to_tick;
1810		2136
		2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2139	$self->_load_objects ($f)
1812	or return;	2140	or return;
1813		2141
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1815	if delete $self->{load_original};	2143	if delete $self->{load_original};
1816		2144
1817	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2146	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2149	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1822	}	2153	}
1823	}	2154	}
1824		2155
1825	Coro::cede;	2156	$f->resolve_delayed_derefs;
		2157
		2158	cf::cede_to_tick;
1826	# now do the right thing for maps	2159	# now do the right thing for maps
1827	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2162	unless $self->difficulty;
1830	Coro::cede;	2163	cf::cede_to_tick;
1831		2164
1832	unless ($self->{deny_activate}) {	2165	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2166	$self->decay_objects;
1834	$self->fix_auto_apply;	2167	$self->fix_auto_apply;
1835	$self->update_buttons;	2168	$self->update_buttons;
1836	Coro::cede;	2169	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2170	$self->activate;
1840	}	2171	}
1841		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2176	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2177	}
1844		2178
1845	$self->post_load;	2179	$self->post_load;
1846	}
1847		2180
		2181	1
		2182	}
		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2187	sub customise_for {
1849	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1850		2189
1851	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2191	if $self->per_player;
…		…
1856		2195
1857	$self	2196	$self
1858	}	2197	}
1859		2198
1860	# find and load all maps in the 3x3 area around a map	2199	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2200	sub load_neighbours {
1862	my ($map) = @_;	2201	my ($map) = @_;
1863		2202
1864	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1865		2204
1866	for (0 .. 3) {	2205	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1868	or next;	2207	or next;
1869	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1870	or next;	2209	or next;
1871	$neigh->load;	2210	$neigh->load;
1872		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2216	}
1876		2217
1877	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1879	or next;	2221	or next;
1880	$neigh->load;	2222	$neigh->load;
1881	}	2223	}
1882	}	2224	}
1883		2225
1884	sub find_sync {	2226	sub find_sync {
1885	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1886		2228
1887	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1888	}	2233	}
1889		2234
1890	sub do_load_sync {	2235	sub do_load_sync {
1891	my ($map) = @_;	2236	my ($map) = @_;
1892		2237
1893	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1894	}	2242	}
1895		2243
1896	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1898		2246
1899	sub find_async {	2247	sub find_async {
1900	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1901		2249
1902	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1903		2251
1904	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2254	}
1907		2255
1908	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1909	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1910	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2263	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2264	$map->load if $v;
		2265	}
1915		2266
1916	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1917	}	2268	}
1918	}	2269	}
1919	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1920	};	2271	};
1921	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1922		2273
1923	()	2274	()
1924	}	2275	}
1925		2276
		2277	# common code, used by both ->save and ->swapout
1926	sub save {	2278	sub _save {
1927	my ($self) = @_;	2279	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2280
1931	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1932		2282
1933	return unless $self->dirty;	2283	return unless $self->dirty;
1934		2284
…		…
1940	return if $self->{deny_save};	2290	return if $self->{deny_save};
1941		2291
1942	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1943		2293
1944	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1946	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1947		2300
1948	if ($uniq) {	2301	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2304	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2306	}
1954	}	2307	}
1955		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1956	sub swap_out {	2317	sub swap_out {
1957	my ($self) = @_;	2318	my ($self) = @_;
1958		2319
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1964	return if $self->players;	2324	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
1968	$self->clear;	2335	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2336	}
1971		2337
1972	sub reset_at {	2338	sub reset_at {
1973	my ($self) = @_;	2339	my ($self) = @_;
1974		2340
…		…
1992		2358
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2360
1995	return if $self->players;	2361	return if $self->players;
1996		2362
1997	warn "resetting map ", $self->path;	2363	cf::trace "resetting map ", $self->path, "\n";
1998		2364
1999	$self->in_memory (cf::MAP_SWAPPED);	2365	$self->in_memory (cf::MAP_SWAPPED);
2000		2366
2001	# need to save uniques path	2367	# need to save uniques path
2002	unless ($self->{deny_save}) {	2368	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2372	if $uniq;
2007	}	2373	}
2008		2374
2009	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
2010		2376
		2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2379	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2380
2015	$self->unlink_save;	2381	$self->unlink_save;
2016	$self->destroy;	2382	$self->destroy;
2017	}	2383	}
2018		2384
2019	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
2020		2386
2021	sub nuke {	2387	sub nuke {
2022	my ($self) = @_;	2388	my ($self) = @_;
2023		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
2024	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
2025		2394
2026	$self->unlink_save;	2395	$self->unlink_save;
2027		2396
2028	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2402
2034	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
2035		2405
2036	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
2037	}	2407	}
2038		2408
2039	=item $maps = cf::map::tmp_maps	2409	=item $maps = cf::map::tmp_maps
…		…
2081		2451
2082	sub unique_maps() {	2452	sub unique_maps() {
2083	[	2453	[
2084	map {	2454	map {
2085	utf8::decode $_;	2455	utf8::decode $_;
2086	/\.map$/	2456	s/\.map$//; # TODO future compatibility hack
		2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2458	? ()
2087	? normalise $_	2459	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2460	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2461	]
2091	}	2462	}
2092		2463
2093	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
2094		2495
2095	=back	2496	=back
2096		2497
2097	=head3 cf::object	2498	=head3 cf::object
2098		2499
…		…
2102		2503
2103	=over 4	2504	=over 4
2104		2505
2105	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
2106		2507
2107	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
2108		2510
2109	=cut	2511	=cut
2110		2512
2111	sub inv_recursive_;	2513	sub inv_recursive_;
2112	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
2115		2517
2116	sub inv_recursive {	2518	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
2118	}	2520	}
2119		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
2120	package cf;	2550	package cf;
2121		2551
2122	=back	2552	=back
2123		2553
2124	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2561	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
2133		2563
2134	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
2135		2579
2136	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2581	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
2146		2590
2147	} else {	2591	} else {
2148	my $pl = $self->contr;	2592	my $pl = $self->contr;
2149		2593
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2594	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2595	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2597
2159	} else {	2598	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2601	}
2163	}	2602	}
		2603	}
		2604
		2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	=cut
		2608
		2609	sub cf::object::send_msg {
		2610	my $pl = shift->contr
		2611	or return;
		2612	$pl->send_msg (@_);
2164	}	2613	}
2165		2614
2166	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
2167		2616
2168	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
2181		2630
2182	=item $player_object->enter_link	2631	=item $player_object->enter_link
2183		2632
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2634
2186	The player should be reasonably safe there for short amounts of time. You	2635	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
2188		2639
2189	Will never block.	2640	Will never block.
2190		2641
2191	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
2192		2643
…		…
2212	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2664	my ($self) = @_;
2214		2665
2215	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
2216		2667
		2668	++$self->{_link_recursion};
		2669
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2671
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2673	if $self->map && $self->map->{path} ne "{link}";
2221		2674
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2676	}
2224		2677
2225	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
2227		2680
…		…
2244	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
2246		2699
2247	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
2250		2703
2251	$map->load;	2704	$map->load;
2252	$map->load_diag;	2705	$map->load_neighbours;
2253		2706
2254	return unless $self->contr->active;	2707	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2708
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2710	if ($self->enter_map ($map, $x, $y)) {
2259	}	2711	# entering was successful
		2712	delete $self->{_link_recursion};
		2713	# only activate afterwards, to support waiting in hooks
		2714	$self->activate_recursive;
		2715	}
2260		2716
		2717	}
		2718
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2720
2263	Moves the player to the given map-path and coordinates by first freezing	2721	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2722	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2723	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2724	the new (success) or old (failed) map position. In either case, $done will
		2725	be called at the end of this process.
		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
2267		2729
2268	=cut	2730	=cut
2269		2731
2270	our $GOTOGEN;	2732	our $GOTOGEN;
2271		2733
2272	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
2274		2742
2275	# do generation counting so two concurrent goto's will be executed in-order	2743	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2745
2278	$self->enter_link;	2746	$self->enter_link;
2279		2747
2280	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
2281	my $map = eval {	2770	my $map = eval {
2282	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
2283		2772
2284	if ($map) {	2773	if ($map) {
2285	$map = $map->customise_for ($self);	2774	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2775	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2776	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2778	}
2290		2779
2291	$map	2780	$map
2292	};	2781	};
2293		2782
…		…
2298		2787
2299	if ($gen == $self->{_goto_generation}) {	2788	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2789	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
2302	}	2791	}
		2792
		2793	$done->($self) if $done;
2303	})->prio (1);	2794	})->prio (1);
2304	}	2795	}
2305		2796
2306	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
2307		2798
…		…
2327	}	2818	}
2328		2819
2329	sub prepare_random_map {	2820	sub prepare_random_map {
2330	my ($exit) = @_;	2821	my ($exit) = @_;
2331		2822
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2825	# that depends on the exit object
2337		2826
2338	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2829	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
2345	}	2836	}
2346		2837
2347	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
2348		2839
2349	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
2352		2843
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2846	undef $fh;
2356	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
2357		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
2360	}	2855	}
2361	}	2856	}
2362		2857
2363	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
2365		2860
2366	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
2367		2862
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2863	$self->enter_link;
2380		2864
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2865	(async {
2386	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
2387	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
2388	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
2389		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
2390	1;	2889	1
2391	}) {	2890	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2895
2397	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	2897	$self->leave_link;
2399	}	2898	}
2400	})->prio (1);	2899	})->prio (1);
2401	}	2900	}
2402		2901
…		…
2416		2915
2417	utf8::encode $text;	2916	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2918	}
2420		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
		2943	}
		2944
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2946
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2947	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2948	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2949	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2950	the message unless the client supports the msg packet.
2427		2951
2428	=cut	2952	=cut
2429		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
2430	sub cf::client::send_msg {	3068	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3069	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3070
2433	$msg = $self->pl->expand_cfpod ($msg);	3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
		3073
		3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
		3083	} elsif (ref $channel) {
		3084	# send meta info to client, if not yet sent
		3085	unless (exists $self->{channel}{$channel->{id}}) {
		3086	$self->{channel}{$channel->{id}} = $channel;
		3087	$self->ext_msg (channel_info => $channel);
		3088	}
		3089
		3090	$channel = $channel->{id};
		3091	}
2434		3092
2435	return unless @extra || length $msg;	3093	return unless @extra || length $msg;
2436		3094
2437	if ($self->can_msg) {	3095	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3097	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3098
2450	if ($color >= 0) {	3099	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3100	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3102	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3103
		3104	$self->send_big_packet ($pkt);
		3105	}
		3106
2461	=item $client->ext_event ($type, %msg)	3107	=item $client->ext_msg ($type, @msg)
2462		3108
2463	Sends an ext event to the client.	3109	Sends an ext event to the client.
2464		3110
2465	=cut	3111	=cut
2466		3112
2467	sub cf::client::ext_event($$%) {	3113	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3114	my ($self, $type, @msg) = @_;
2469		3115
		3116	if ($self->extcmd == 2) {
		3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3118	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	3119	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3121	}
		3122	}
		3123
		3124	=item $client->ext_reply ($msgid, @msg)
		3125
		3126	Sends an ext reply to the client.
		3127
		3128	=cut
		3129
		3130	sub cf::client::ext_reply($$@) {
		3131	my ($self, $id, @msg) = @_;
		3132
		3133	if ($self->extcmd == 2) {
		3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3135	} elsif ($self->extcmd == 1) {
		3136	#TODO: version 1, remove
		3137	unshift @msg, msgtype => "reply", msgid => $id;
		3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3139	}
2472	}	3140	}
2473		3141
2474	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
2475		3143
2476	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	3199	my ($ns, $buf) = @_;
2532		3200
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3201	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3202
2535	if (ref $msg) {	3203	if (ref $msg) {
		3204	my ($type, $reply, @payload) =
		3205	"ARRAY" eq ref $msg
		3206	? @$msg
		3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3208
		3209	my @reply;
		3210
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3211	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3212	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
2542	} else {	3218	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3220	}
2545		3221
2546	cf::override;	3222	cf::override;
2547	},	3223	},
2548	);	3224	);
…		…
2568		3244
2569	$coro	3245	$coro
2570	}	3246	}
2571		3247
2572	cf::client->attach (	3248	cf::client->attach (
2573	on_destroy => sub {	3249	on_client_destroy => sub {
2574	my ($ns) = @_;	3250	my ($ns) = @_;
2575		3251
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3253	},
2578	);	3254	);
…		…
2593	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2595		3271
2596	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2597		3273
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3274	$safe->permit_only (Opcode::opset qw(
		3275	:base_core :base_mem :base_orig :base_math :base_loop
		3276	grepstart grepwhile mapstart mapwhile
		3277	sort time
		3278	));
2599		3279
2600	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2601		3281
2602	=pod	3282	=pod
2603		3283
2604	The following functions and methods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2605		3285
2606	cf::object	3286	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3287	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3288	insert remove name archname title slaying race decrease split
		3289	value
2609		3290
2610	cf::object::player	3291	cf::object::player
2611	player	3292	player
2612		3293
2613	cf::player	3294	cf::player
…		…
2618		3299
2619	=cut	3300	=cut
2620		3301
2621	for (	3302	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2627	) {	3309	) {
2628	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2631	for @funs;	3312	for @funs;
2632	}	3313	}
2633		3314
…		…
2648		3329
2649	my $qcode = $code;	3330	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2652		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2653	local $_;	3337	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3338
2656	my $eval =	3339	my $eval =
2657	"do {\n"	3340	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3343	. $code
2661	. "\n}"	3344	. "\n}"
2662	;	3345	;
2663		3346
		3347	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2667		3356
2668	if ($@) {	3357	if ($@) {
2669	warn "$@";	3358	warn "$@",
2670	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2671	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2672	}	3361	}
2673		3362
2674	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2675	}	3364	}
2676		3365
…		…
2690	=cut	3379	=cut
2691		3380
2692	sub register_script_function {	3381	sub register_script_function {
2693	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2694		3383
2695	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2697	}	3386	}
2698		3387
2699	=back	3388	=back
2700		3389
2701	=cut	3390	=cut
…		…
2704	# the server's init and main functions	3393	# the server's init and main functions
2705		3394
2706	sub load_facedata($) {	3395	sub load_facedata($) {
2707	my ($path) = @_;	3396	my ($path) = @_;
2708		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
		3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3403
2709	warn "loading facedata from $path\n";	3404	trace "loading facedata from $path\n";
2710		3405
2711	my $facedata;
2712	0 < aio_load $path, $facedata	3406	0 < aio_load $path, my $facedata
2713	or die "$path: $!";	3407	or die "$path: $!";
2714		3408
2715	$facedata = Coro::Storable::thaw $facedata;	3409	$facedata = Coro::Storable::thaw $facedata;
2716		3410
2717	$facedata->{version} == 2	3411	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3413
		3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3416	$facedata->{resource}{"res/exp_table"} = {
		3417	type => FT_RSRC,
		3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
		3420	};
		3421	cf::cede_to_tick;
		3422
2720	{	3423	{
2721	my $faces = $facedata->{faceinfo};	3424	my $faces = $facedata->{faceinfo};
2722		3425
2723	while (my ($face, $info) = each %$faces) {	3426	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3428
2725	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3429	cf::face::set_visibility $idx, $info->{visibility};
		3430	cf::face::set_magicmap $idx, $info->{magicmap};
2726	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2727	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2728	Coro::cede;	3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3434
		3435	cf::cede_to_tick;
2729	}	3436	}
2730		3437
2731	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2732	next unless $info->{smooth};	3439	next unless $info->{smooth};
		3440
2733	my $idx = cf::face::find $face	3441	my $idx = cf::face::find $face
2734	or next;	3442	or next;
		3443
2735	if (my $smooth = cf::face::find $info->{smooth}) {	3444	if (my $smooth = cf::face::find $info->{smooth}) {
		3445	cf::face::set_smooth $idx, $smooth;
2736	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2737	} else {	3447	} else {
2738	warn "smooth face '$info->{smooth}' not found for face '$face'";	3448	error "smooth face '$info->{smooth}' not found for face '$face'";
2739	}	3449	}
2740	Coro::cede;	3450
		3451	cf::cede_to_tick;
2741	}	3452	}
2742	}	3453	}
2743		3454
2744	{	3455	{
2745	my $anims = $facedata->{animinfo};	3456	my $anims = $facedata->{animinfo};
2746		3457
2747	while (my ($anim, $info) = each %$anims) {	3458	while (my ($anim, $info) = each %$anims) {
2748	cf::anim::set $anim, $info->{frames}, $info->{facings};	3459	cf::anim::set $anim, $info->{frames}, $info->{facings};
2749	Coro::cede;	3460	cf::cede_to_tick;
2750	}	3461	}
2751		3462
2752	cf::anim::invalidate_all; # d'oh	3463	cf::anim::invalidate_all; # d'oh
2753	}	3464	}
2754		3465
		3466	{
		3467	my $res = $facedata->{resource};
		3468
		3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
		3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3472
		3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3474	cf::face::set_type $idx, $info->{type};
		3475	} else {
		3476	$RESOURCE{$name} = $info; # unused
		3477	}
		3478
		3479	cf::cede_to_tick;
		3480	}
		3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3484
2755	1	3485	1
2756	}	3486	}
2757		3487
		3488	register_exticmd fx_want => sub {
		3489	my ($ns, $want) = @_;
		3490
		3491	while (my ($k, $v) = each %$want) {
		3492	$ns->fx_want ($k, $v);
		3493	}
		3494	};
		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
2758	sub reload_regions {	3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
2759	load_resource_file "$MAPDIR/regions"	3511	load_resource_file "$MAPDIR/regions"
2760	or die "unable to load regions file\n";	3512	or die "unable to load regions file\n";
		3513
		3514	for (cf::region::list) {
		3515	$_->{match} = qr/$_->{match}/
		3516	if exists $_->{match};
		3517	}
2761	}	3518	}
2762		3519
2763	sub reload_facedata {	3520	sub reload_facedata {
2764	load_facedata "$DATADIR/facedata"	3521	load_facedata "$DATADIR/facedata"
2765	or die "unable to load facedata\n";	3522	or die "unable to load facedata\n";
2766	}	3523	}
2767		3524
2768	sub reload_archetypes {	3525	sub reload_archetypes {
2769	load_resource_file "$DATADIR/archetypes"	3526	load_resource_file "$DATADIR/archetypes"
2770	or die "unable to load archetypes\n";	3527	or die "unable to load archetypes\n";
2771	#d# NEED to laod twice to resolve forward references
2772	# this really needs to be done in an extra post-pass
2773	# (which needs to be synchronous, so solve it differently)
2774	load_resource_file "$DATADIR/archetypes"
2775	or die "unable to load archetypes\n";
2776	}	3528	}
2777		3529
2778	sub reload_treasures {	3530	sub reload_treasures {
2779	load_resource_file "$DATADIR/treasures"	3531	load_resource_file "$DATADIR/treasures"
2780	or die "unable to load treasurelists\n";	3532	or die "unable to load treasurelists\n";
2781	}	3533	}
2782		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
2783	sub reload_resources {	3558	sub reload_resources {
2784	warn "reloading resource files...\n";	3559	trace "reloading resource files...\n";
2785		3560
		3561	reload_exp_table;
		3562	reload_materials;
		3563	reload_facedata;
		3564	reload_sound;
		3565	reload_archetypes;
2786	reload_regions;	3566	reload_regions;
2787	reload_facedata;
2788	#reload_archetypes;#d#
2789	reload_archetypes;
2790	reload_treasures;	3567	reload_treasures;
2791		3568
2792	warn "finished reloading resource files\n";	3569	trace "finished reloading resource files\n";
2793	}	3570	}
2794		3571
2795	sub init {	3572	sub reload_config {
2796	reload_resources;	3573	trace "reloading config file...\n";
2797	}
2798		3574
2799	sub cfg_load {	3575	0 < aio_load "$CONFDIR/config", my $config
2800	open my $fh, "<:utf8", "$CONFDIR/config"	3576	or die "$CONFDIR/config: $!";
2801	or return;
2802		3577
2803	local $/;	3578	utf8::decode $config;
2804	*CFG = YAML::Syck::Load <$fh>;	3579	*CFG = yaml_load $config;
2805		3580
2806	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2807		3582
2808	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2809	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2810		3585
2811	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2815	};	3590	};
2816	warn $@ if $@;	3591	warn $@ if $@;
2817	}	3592	}
2818	}	3593	}
2819		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
2820	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
2821	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2822	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2823	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2824	(async {	3636	(async {
2825	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2826	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2827	};	3640	};
2828		3641
2829	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
		3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
2830	db_init;	3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
2831	load_extensions;	3665	load_extensions;
2832		3666
2833	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2834	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
2835	}	3685	}
2836		3686
2837	#############################################################################	3687	#############################################################################
2838	# initialisation and cleanup	3688	# initialisation and cleanup
2839		3689
2840	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2841	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2842	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2843	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2844	reentrant => 0,
2845	data => WF_AUTOCANCEL,
2846	signal => $signal,
2847	prio => 0,
2848	cb => sub {
2849	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2850	},
2851	);	3696	};
2852	}	3697	}
2853	}	3698	}
2854		3699
2855	sub write_runtime {	3700	sub write_runtime_sync {
2856	my $runtime = "$LOCALDIR/runtime";	3701	my $t0 = AE::time;
2857		3702
2858	# first touch the runtime file to show we are still running:	3703	# first touch the runtime file to show we are still running:
2859	# the fsync below can take a very very long time.	3704	# the fsync below can take a very very long time.
2860		3705
2861	IO::AIO::aio_utime $runtime, undef, undef;	3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2862		3707
2863	my $guard = cf::lock_acquire "write_runtime";	3708	my $guard = cf::lock_acquire "write_runtime";
2864		3709
2865	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2866	or return;	3711	or return;
2867		3712
2868	my $value = $cf::RUNTIME + 90 + 10;	3713	my $value = $cf::RUNTIME + 90 + 10;
2869	# 10 is the runtime save interval, for a monotonic clock	3714	# 10 is the runtime save interval, for a monotonic clock
2870	# 60 allows for the watchdog to kill the server.	3715	# 60 allows for the watchdog to kill the server.
…		…
2880	aio_utime $fh, undef, undef;	3725	aio_utime $fh, undef, undef;
2881		3726
2882	close $fh	3727	close $fh
2883	or return;	3728	or return;
2884		3729
2885	aio_rename "$runtime~", $runtime	3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2886	and return;	3731	and return;
2887		3732
2888	warn "runtime file written.\n";	3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2889		3734
2890	1	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
2891	}	3786	}
2892		3787
2893	sub emergency_save() {	3788	sub emergency_save() {
2894	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2895		3790
2896	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
2897		3797
2898	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2899	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2900	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2901	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2902	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2903	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2904	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2905	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2906	$pl->save;	3809	$pl->save;
2907	}	3810	}
2908	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2909		3812
2910	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
2911	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2912	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2913	$map->valid or next;	3818	$map->valid or next;
2914	$map->save;	3819	$map->save;
2915	}	3820	}
2916	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
2917		3822
2918	warn "begin emergency database checkpoint\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
2919	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2920	warn "end emergency database checkpoint\n";	3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2921	};	3851	};
2922		3852
2923	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2924	}	3854	}
2925		3855
2926	sub post_cleanup {	3856	sub post_cleanup {
2927	my ($make_core) = @_;	3857	my ($make_core) = @_;
2928		3858
		3859	IO::AIO::flush;
		3860
2929	warn Carp::longmess "post_cleanup backtrace"	3861	error Carp::longmess "post_cleanup backtrace"
2930	if $make_core;	3862	if $make_core;
		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
2931	}	3891	}
2932		3892
2933	sub do_reload_perl() {	3893	sub do_reload_perl() {
2934	# can/must only be called in main	3894	# can/must only be called in main
2935	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2936	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2937	return;	3897	return;
2938	}	3898	}
2939		3899
2940	warn "reloading...";	3900	return if $RELOAD++;
2941		3901
2942	warn "entering sync_job";	3902	my $t1 = AE::time;
2943		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
2944	cf::sync_job {	3910	cf::sync_job {
2945	cf::write_runtime; # external watchdog should not bark
2946	cf::emergency_save;	3911	#cf::emergency_save;
2947	cf::write_runtime; # external watchdog should not bark
2948		3912
2949	warn "syncing database to disk";
2950	BDB::db_env_txn_checkpoint $DB_ENV;
2951
2952	# if anything goes wrong in here, we should simply crash as we already saved
2953
2954	warn "cancelling all WF_AUTOCANCEL watchers";
2955	for (Event::all_watchers) {
2956	$_->cancel if $_->data & WF_AUTOCANCEL;
2957	}
2958
2959	warn "flushing outstanding aio requests";
2960	for (;;) {
2961	BDB::flush;
2962	IO::AIO::flush;
2963	Coro::cede;
2964	last unless IO::AIO::nreqs || BDB::nreqs;
2965	warn "iterate...";
2966	}
2967
2968	++$RELOAD;
2969
2970	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
2971	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2972	%EXT_CORO = ();	3915	%EXT_CORO = ();
2973		3916
2974	warn "removing commands";	3917	trace "perl_reload: removing commands";
2975	%COMMAND = ();	3918	%COMMAND = ();
2976		3919
2977	warn "removing ext/exti commands";	3920	trace "perl_reload: removing ext/exti commands";
2978	%EXTCMD = ();	3921	%EXTCMD = ();
2979	%EXTICMD = ();	3922	%EXTICMD = ();
2980		3923
2981	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2982	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2983	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2984		3927
2985	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2986	eval {	3929	eval {
2987	$cb->($pkg);	3930	$cb->($pkg);
2988	1	3931	1
2989	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
2990	}	3937	}
2991		3938
2992	warn "... nuking $pkg";
2993	Symbol::delete_package $pkg;
2994	}
2995
2996	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2997	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2998	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2999		3942
3000	warn "... unloading $k";	3943	trace "... unloading $k";
3001	delete $INC{$k};	3944	delete $INC{$k};
3002		3945
3003	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
3004	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
3005		3948
3006	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
3007	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
3008	}	3954	}
3009		3955
3010	Symbol::delete_package $k;
3011	}
3012
3013	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
3014	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
3015	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3016		3959
3017	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
3018	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
3019	delete $INC{"cf/pod.pm"};	3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3020		3963
3021	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
3022	# and global variables created in xs	3965	# and global variables created in xs
3023	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
3024		3967
3025	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
3026		3969
3027	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
3028	require cf;	3971	require cf;
3029	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
3030		3973
3031	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
3032	cf::cfg_load;	3975	cf::reload_config;
3033		3976
3034	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
3035	cf::load_extensions;	3978	cf::load_extensions;
3036		3979
		3980	if ($REATTACH_ON_RELOAD) {
3037	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
3038	_global_reattach; # objects, sockets	3982	_global_reattach; # objects, sockets
3039	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
3040	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
3041	warn "reattaching attachments to players";	3985	trace "perl_reload: reattaching attachments to players";
3042	reattach $_ for values %PLAYER;	3986	reattach $_ for values %PLAYER;
		3987	}
3043		3988
3044	warn "leaving sync_job";	3989	cf::_post_init 1;
3045		3990
		3991	trace "perl_reload: leaving sync_job";
		3992
3046	1	3993	1
3047	} or do {	3994	} or do {
3048	warn $@;	3995	error $@;
3049	warn "error while reloading, exiting.";	3996	cf::cleanup "perl_reload: error, exiting.";
3050	exit 1;	3997	};
		3998
		3999	--$RELOAD;
3051	};	4000	}
3052		4001
3053	warn "reloaded";	4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
3054	};	4004	};
3055		4005
3056	our $RELOAD_WATCHER; # used only during reload	4006	our $RELOAD_WATCHER; # used only during reload
3057		4007
3058	sub reload_perl() {	4008	sub reload_perl() {
3059	# doing reload synchronously and two reloads happen back-to-back,	4009	# doing reload synchronously and two reloads happen back-to-back,
3060	# coro crashes during coro_state_free->destroy here.	4010	# coro crashes during coro_state_free->destroy here.
3061		4011
3062	$RELOAD_WATCHER ||= Event->timer (	4012	$RELOAD_WATCHER ||= cf::async {
3063	reentrant => 0,	4013	Coro::AIO::aio_wait cache_extensions;
3064	after => 0,	4014
3065	data => WF_AUTOCANCEL,	4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3066	cb => sub {
3067	do_reload_perl;	4016	do_reload_perl;
3068	undef $RELOAD_WATCHER;	4017	undef $RELOAD_WATCHER;
3069	},	4018	};
3070	);	4019	};
3071	}	4020	}
3072		4021
3073	register_command "reload" => sub {	4022	register_command "reload" => sub {
3074	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
3075		4024
3076	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
3077	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
		4027	async {
		4028	$Coro::current->{desc} = "perl_reload";
3078	async { reload_perl };	4029	reload_perl;
		4030	};
3079	}	4031	}
3080	};	4032	};
3081		4033
3082	unshift @INC, $LIBDIR;	4034	#############################################################################
3083		4035
3084	my $bug_warning = 0;	4036	my $bug_warning = 0;
3085		4037
3086	our @WAIT_FOR_TICK;	4038	our @WAIT_FOR_TICK;
3087	our @WAIT_FOR_TICK_BEGIN;	4039	our @WAIT_FOR_TICK_BEGIN;
3088		4040
3089	sub wait_for_tick {	4041	sub wait_for_tick() {
3090	return unless $TICK_WATCHER->is_active;
3091	return if $Coro::current == $Coro::main;	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3092		4043
3093	my $signal = new Coro::Signal;	4044	my $signal = new Coro::Signal;
3094	push @WAIT_FOR_TICK, $signal;	4045	push @WAIT_FOR_TICK, $signal;
3095	$signal->wait;	4046	$signal->wait;
3096	}	4047	}
3097		4048
3098	sub wait_for_tick_begin {	4049	sub wait_for_tick_begin() {
3099	return unless $TICK_WATCHER->is_active;
3100	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3101		4051
3102	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
3103	push @WAIT_FOR_TICK_BEGIN, $signal;	4053	push @WAIT_FOR_TICK_BEGIN, $signal;
3104	$signal->wait;	4054	$signal->wait;
3105	}	4055	}
3106		4056
3107	my $min = 1e6;#d#	4057	sub tick {
3108	my $avg = 10;
3109	$TICK_WATCHER = Event->timer (
3110	reentrant => 0,
3111	parked => 1,
3112	prio => 0,
3113	at => $NEXT_TICK || $TICK,
3114	data => WF_AUTOCANCEL,
3115	cb => sub {
3116	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
3117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3118	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
3119	return;	4061	return;
3120	}	4062	}
3121		4063
3122	$NOW = $tick_start = Event::time;
3123
3124	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
3125		4065
3126	0 && sync_job {#d#	4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3127	for(1..10) {
3128	my $t = Event::time;
3129	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3130	or die;
3131		4067
3132	$map->width (50);	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3133	$map->height (50);	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3134	$map->alloc;	4070	Coro::async_pool {
3135	$map->_load_objects ("/tmp/x.map", 1);	4071	$Coro::current->{desc} = "runtime saver";
3136	my $t = Event::time - $t;	4072	write_runtime_sync
3137		4073	or error "ERROR: unable to write runtime file: $!";
3138	#next unless $t < 0.0013;#d#
3139	if ($t < $min) {
3140	$min = $t;
3141	}
3142	$avg = $avg * 0.99 + $t * 0.01;
3143	}
3144	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3145	exit 0;
3146	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3147	};	4074	};
		4075	}
3148		4076
3149	$RUNTIME += $TICK;
3150	$NEXT_TICK += $TICK;
3151
3152	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3153	$NEXT_RUNTIME_WRITE = $NOW + 10;
3154	Coro::async_pool {
3155	write_runtime
3156	or warn "ERROR: unable to write runtime file: $!";
3157	};
3158	}
3159
3160	# my $AFTER = Event::time;
3161	# warn $AFTER - $NOW;#d#
3162
3163	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3164	$sig->send;	4078	$sig->send;
3165	}	4079	}
3166	while (my $sig = shift @WAIT_FOR_TICK) {	4080	while (my $sig = shift @WAIT_FOR_TICK) {
3167	$sig->send;	4081	$sig->send;
3168	}	4082	}
3169		4083
3170	$NOW = Event::time;	4084	$LOAD = ($NOW - $TICK_START) / $TICK;
3171
3172	# if we are delayed by four ticks or more, skip them all
3173	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3174
3175	$TICK_WATCHER->at ($NEXT_TICK);
3176	$TICK_WATCHER->start;
3177
3178	$LOAD = ($NOW - $tick_start) / $TICK;
3179	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3180		4086
3181	_post_tick;	4087	if (0) {
3182		4088	if ($NEXT_TICK) {
3183		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
3184	},	4093	}
3185	);	4094	}
3186		4095
3187	{	4096	{
3188	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
3189	$BDB_POLL_WATCHER = Event->io (	4098
3190	reentrant => 0,
3191	fd => BDB::poll_fileno,
3192	poll => 'r',
3193	prio => 0,
3194	data => WF_AUTOCANCEL,
3195	cb => \&BDB::poll_cb,
3196	);
3197	BDB::min_parallel 8;	4099	BDB::min_parallel 16;
3198		4100	BDB::max_poll_reqs $TICK * 0.1;
3199	BDB::set_sync_prepare {	4101	$AnyEvent::BDB::WATCHER->priority (1);
3200	my $status;
3201	my $current = $Coro::current;
3202	(
3203	sub {
3204	$status = $!;
3205	$current->ready; undef $current;
3206	},
3207	sub {
3208	Coro::schedule while defined $current;
3209	$! = $status;
3210	},
3211	)
3212	};
3213		4102
3214	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
3215	$DB_ENV = BDB::db_env_create;	4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3216		4110
3217	cf::sync_job {	4111	cf::sync_job {
3218	eval {	4112	eval {
3219	BDB::db_env_open	4113	BDB::db_env_open
3220	$DB_ENV,	4114	$DB_ENV,
…		…
3222	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3223	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3224	0666;	4118	0666;
3225		4119
3226	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3227
3228	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3229	$DB_ENV->set_lk_detect;
3230	};	4121	};
3231		4122
3232	cf::cleanup "db_env_open(db): $@" if $@;	4123	cf::cleanup "db_env_open(db): $@" if $@;
3233	};	4124	};
3234	}	4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
3235	}	4136	}
3236		4137
3237	{	4138	{
		4139	# configure IO::AIO
		4140
3238	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
3239
3240	undef $Coro::AIO::WATCHER;
3241	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
3242	$AIO_POLL_WATCHER = Event->io (	4143	undef $AnyEvent::AIO::WATCHER;
3243	reentrant => 0,
3244	data => WF_AUTOCANCEL,
3245	fd => IO::AIO::poll_fileno,
3246	poll => 'r',
3247	prio => 6,
3248	cb => \&IO::AIO::poll_cb,
3249	);
3250	}	4144	}
3251		4145
3252	my $_log_backtrace;	4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
3253		4148
3254	sub _log_backtrace {	4149	sub _log_backtrace {
3255	my ($msg, @addr) = @_;	4150	my ($msg, @addr) = @_;
3256		4151
3257	$msg =~ s/\n//;	4152	$msg =~ s/\n$//;
3258		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3259	# limit the # of concurrent backtraces	4157	# limit the # of concurrent backtraces
3260	if ($_log_backtrace < 2) {	4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
3261	++$_log_backtrace;	4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
3262	async {	4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
3263	my @bt = fork_call {	4165	my @bt = fork_call {
3264	@addr = map { sprintf "%x", $_ } @addr;	4166	@addr = map { sprintf "%x", $_ } @addr;
3265	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3266	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3267	or die "addr2line: $!";	4169	or die "addr2line: $!";
…		…
3275	}	4177	}
3276		4178
3277	@funcs	4179	@funcs
3278	};	4180	};
3279		4181
3280	LOG llevInfo, "[ABT] $msg\n";	4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3281	LOG llevInfo, "[ABT] $_\n" for @bt;	4184	LOG llevInfo, "[ABT] $_\n" for @bt;
3282	--$_log_backtrace;	4185	--$_log_backtrace;
3283	};	4186	};
3284	} else {	4187	} else {
3285	LOG llevInfo, "[ABT] $msg\n";	4188	LOG llevInfo, "[ABT] $msg\n";
3286	LOG llevInfo, "[ABT] [suppressed]\n";	4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3287	}	4190	}
3288	}	4191	}
3289		4192
3290	# load additional modules	4193	# load additional modules
3291	use cf::pod;	4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
3292		4196
3293	END { cf::emergency_save }	4197	END { cf::emergency_save }
3294		4198
3295	1	4199	1
3296		4200

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