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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.563 by root, Sat Apr 23 04:56:51 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	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;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	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;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		145
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
97	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 $REALLY_UNLOOP; # never set to true, please :)
98		155
99	binmode STDOUT;	156	binmode STDOUT;
100	binmode STDERR;	157	binmode STDERR;
101		158
102	# read virtual server time, if available	159	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
107	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
108		167
109	mkdir $_	168	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		170
112	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
113		172
114	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::"} };
115		189
116	#############################################################################	190	#############################################################################
117		191
118	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
119		193
…		…
155		229
156	The raw value load value from the last tick.	230	The raw value load value from the last tick.
157		231
158	=item %cf::CFG	232	=item %cf::CFG
159		233
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	235	from wherever your confdir points to.
162		236
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		238
165	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
166	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
167	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.
168		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
169	=back	260	=back
170		261
171	=cut	262	=cut
172		263
173	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	271	my $msg = join "", @_;
176		272
177	$msg .= "\n"	273	$msg .= "\n"
178	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
179		275
180	$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;
181		277
182	utf8::encode $msg;
183	LOG llevError, $msg;	278	LOG llevWarn, $msg;
184	};	279	};
185	}	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	};
186		294
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	305	for my $pkg (qw(
198	cf::global cf::attachable	306	cf::global cf::attachable
199	cf::object cf::object::player	307	cf::object cf::object::player
200	cf::client cf::player	308	cf::client cf::player
201	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
202	cf::map cf::party cf::region	311	cf::party cf::region
203	)) {	312	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	314	}
207		315
208	$Event::DIED = sub {	316	$EV::DIED = sub {
209	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
210	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
211		324
212	#############################################################################	325	#############################################################################
213		326
214	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
215		328
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	350	$d
238	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
239	}	352	}
240		353
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
242		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
243	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
244		369
245	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
246		371
247	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
248		373
249	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
250		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
251	=item cf::lock_wait $string	445	=item cf::lock_wait $string
252		446
253	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
254		448
255	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
256		450
257	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
260	returned.	454	returned.
261		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
262	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
264		461
265	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
266		463
267	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
268		465
269	=cut	466	=cut
270		467
271	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
272		469
273	sub lock_wait($) {	470	sub lock_wait($) {
274	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	472	}
282		473
283	sub lock_acquire($) {	474	sub lock_acquire($) {
284	my ($key) = @_;	475	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	476	}
296		477
297	sub lock_active($) {	478	sub lock_active($) {
298	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	480	}
302		481
303	sub freeze_mainloop {	482	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
305		484
306	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
308	};	556	}
309	$TICK_WATCHER->stop;	557	};
310	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
311	}	572	}
312		573
313	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
314		575
315	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		581
321	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
322		583
323	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
324		585
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	589	acceptable.
329		590
330	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	596	=cut
336		597
337	sub sync_job(&) {	598	sub sync_job(&) {
338	my ($job) = @_;	599	my ($job) = @_;
339		600
340	if ($Coro::current == $Coro::main) {	601	if (in_main) {
341	my $time = Event::time;	602	my $time = AE::time;
342		603
343	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
345		606
346	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	608
348	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
349		610
350	my $busy = 1;	611	my $busy = 1;
351	my @res;	612	my @res;
352		613
353	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	616	@res = eval { $job->() };
355	warn $@ if $@;	617	error $@ if $@;
356	undef $busy;	618	undef $busy;
357	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
358		620
359	while ($busy) {	621	while ($busy) {
360	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
361	}	626	}
		627	}
362		628
363	$time = Event::time - $time;	629	my $time = AE::time - $time;
364		630
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
369		632
370	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
371	} else {	634	} else {
372	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
373		636
…		…
393	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
394		657
395	$coro	658	$coro
396	}	659	}
397		660
398	=item fork_call { }, $args	661	=item fork_call { }, @args
399		662
400	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
404		667
405	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
406		673
407	sub fork_call(&@) {	674	sub fork_call(&@) {
408	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
409		676
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	677	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	678	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	679	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		680
415	if (my $pid = fork) {	681	my @res = Coro::Util::fork_eval {
416	close $fh2;	682	cf::post_fork;
		683	&$cb
		684	} @args;
417		685
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	686	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	687	}
420		688
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	689	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
440	}	725	}
441		726
442	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
443		728
444	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
447		732
448	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
451	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
452		762
453	our $DB;	763	our $DB;
454		764
455	sub db_init {	765	sub db_init {
456	unless ($DB) {	766	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	767	}
471		768
472	sub db_get($$) {	769	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
474		771
475	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
476	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
477		776
478	$! ? ()	777	$! ? ()
479	: $data	778	: $data
480	}
481	}	779	}
482		780
483	sub db_put($$$) {	781	sub db_put($$$) {
484	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		811
514	my @data;	812	my @data;
515	my $md5;	813	my $md5;
516		814
517	for (0 .. $#$src) {	815	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	817	}
521		818
522	# if processing is expensive, check	819	# if processing is expensive, check
523	# checksum first	820	# checksum first
524	if (1) {	821	if (1) {
525	$md5 =	822	$md5 =
526	join "\x00",	823	join "\x00",
527	$processversion,	824	$processversion,
528	map {	825	map {
529	Coro::cede;	826	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	828	} 0.. $#$src;
532		829
533		830
534	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		838
542	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	840	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
545		842
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		844
548	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
551		848
…		…
561		858
562	=cut	859	=cut
563		860
564	sub datalog($@) {	861	sub datalog($@) {
565	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	864	}
568		865
569	=back	866	=back
570		867
571	=cut	868	=cut
572		869
573	#############################################################################	870	#############################################################################
574		871
575	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
576		873
577	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
580		877
581	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	880	Deliantra).
584		881
585	=over 4	882	=over 4
586		883
587	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
588		885
…		…
632	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
633		930
634	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
636		933
637	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
639		936
640	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
641		938
642	=over 4	939	=over 4
…		…
766		1063
767	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1066
770	} elsif (ref $type) {	1067	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
772		1069
773	} else {	1070	} else {
774	shift @arg;	1071	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
776	}	1073	}
777	}	1074	}
778	}	1075	}
779		1076
780	sub _object_attach {	1077	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
791	}	1088	}
792		1089
793	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
794	} else {	1091	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1093	}
797		1094
798	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
799	}	1096	}
800		1097
…		…
840	";	1137	";
841	die if $@;	1138	die if $@;
842	}	1139	}
843		1140
844	our $override;	1141	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1143
847	sub override {	1144	sub override {
848	$override = 1;	1145	$override = 1;
849	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
850	}	1147	}
851		1148
852	sub do_invoke {	1149	sub do_invoke {
853	my $event = shift;	1150	my $event = shift;
854	my $callbacks = shift;	1151	my $callbacks = shift;
855		1152
856	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
857		1154
858	local $override;	1155	local $override;
859		1156
860	for (@$callbacks) {	1157	for (@$callbacks) {
861	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
862		1159
863	if ($@) {	1160	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1162	override;
867	}	1163	}
868		1164
869	return 1 if $override;	1165	return 1 if $override;
870	}	1166	}
871		1167
872	0	1168	0
873	}	1169	}
874		1170
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1172
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1174
879	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
880		1176
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1180
885	=back	1181	=back
886		1182
887	=cut	1183	=cut
888		1184
889	#############################################################################	1185	#############################################################################
890	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
891		1229
892	sub reattach {	1230	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1232	my ($obj) = @_;
895		1233
		1234	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1236
898	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
899		1238
900	@$registry = ();	1239	@$registry = ();
901		1240
…		…
906	for (@$attach) {	1245	for (@$attach) {
907	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
909	}	1248	}
910	} else {	1249	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1251	}
913	}	1252	}
914	}	1253	}
915		1254
916	cf::attachable->attach (	1255	cf::attachable->attach (
917	prio => -1000000,	1256	prio => -1000000,
918	on_instantiate => sub {	1257	on_instantiate => sub {
919	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
920		1259
921	$data = from_json $data;	1260	$data = decode_json $data;
922		1261
923	for (@$data) {	1262	for (@$data) {
924	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
925		1264
926	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1281	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
944		1283
945	sync_job {	1284	sync_job {
946	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
949		1290
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	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;
		1296	aio_fsync $fh;
		1297	}
954	close $fh;	1298	aio_close $fh;
955		1299
956	if (@$objs) {	1300	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	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;
		1307	aio_fsync $fh;
		1308	}
962	close $fh;	1309	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
964	}	1311	}
965	} else {	1312	} else {
966	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
967	}	1314	}
968		1315
969	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1320	} else {
971	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
972	}	1322	}
973	} else {	1323	} else {
974	aio_unlink $filename;	1324	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
976	}	1326	}
977	}	1327	};
978	}	1328	}
979		1329
980	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
982		1332
…		…
994	or return;	1344	or return;
995		1345
996	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
998	or return;	1348	or return;
		1349
999	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1000	}	1352	}
1001		1353
		1354	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1004	return ($data, $av);	1359	($data, $av)
1005	}	1360	}
1006		1361
1007	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1008		1363
1009	=over 4	1364	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1385	}
1031		1386
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1388
1034	Register a callback fro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
1035		1394
1036	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
1037	called.	1396	called.
1038		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
1039	=cut	1409	=cut
1040		1410
1041	sub register_extcmd {	1411	sub register_extcmd {
1042	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
1043		1413
1044	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
1045	}	1415	}
1046		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
1047	cf::player->attach (	1425	cf::player->attach (
1048	on_command => sub {	1426	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1050		1428
1051	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1052	or return;	1430	or return;
1053		1431
…		…
1058	cf::override;	1436	cf::override;
1059	},	1437	},
1060	on_extcmd => sub {	1438	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
1062		1440
1063	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1442
1065	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1071	} else {	1458	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1460	}
1074		1461
1075	cf::override;	1462	cf::override;
1076	},	1463	},
1077	);	1464	);
1078		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1079	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1080	cf::sync_job {	1482	cf::sync_job {
1081	my %todo;	1483	my %todo;
1082		1484
1083	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1486	next unless -r $path;
…		…
1102		1504
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1507
1106	$ext{source} =	1508	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1109	. $source	1511	. $source
1110	. "\n};\n1";	1512	. "\n};\n1";
1111		1513
1112	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1113	}	1515	}
1114		1516
		1517	my $pass = 0;
1115	my %done;	1518	my %done;
1116	while (%todo) {	1519	while (%todo) {
1117	my $progress;	1520	my $progress;
1118		1521
		1522	++$pass;
		1523
		1524	ext:
1119	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1527	next ext
1122	unless exists $done{$_};	1528	unless exists $done{$_};
1123	}	1529	}
1124		1530
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1532
1127	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1132	warn $msg;	1540
1133	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1542	delete $todo{$k};
1135	}	1543	} else {
1136		1544	$done{$k} = delete $todo{$k};
1137	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1138	}	1550	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1551	}
1144		1552
1145	skip:	1553	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1148	}	1563	}
1149	};	1564	};
1150	}	1565	}
1151		1566
1152	#############################################################################	1567	#############################################################################
1153		1568
1154	=back	1569	=back
1155		1570
1156	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1157		1572
1158	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1159		1574
1160	=cut	1575	=cut
1161		1576
1162	package cf::player;	1577	package cf::player;
1163		1578
1164	use Coro::AIO;	1579	use Coro::AIO;
1165		1580
1166	=head3 cf::player	1581	=head3 cf::player
1167		1582
1168	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
1169		1598
1170	=item cf::player::find $login	1599	=item cf::player::find $login
1171		1600
1172	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1173		1602
…		…
1192		1621
1193	sub exists($) {	1622	sub exists($) {
1194	my ($login) = @_;	1623	my ($login) = @_;
1195		1624
1196	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1198	}	1627	}
1199		1628
1200	sub find($) {	1629	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1631	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1642
1214	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1217	}	1652	}
1218	}	1653	}
1219	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1220		1668
1221	sub save($) {	1669	sub save($) {
1222	my ($pl) = @_;	1670	my ($pl) = @_;
1223		1671
1224	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1230		1678
1231	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1233		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1234	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1235	Coro::cede;	1688	cf::cede_to_tick;
1236	}	1689	}
1237		1690
1238	sub new($) {	1691	sub new($) {
1239	my ($login) = @_;	1692	my ($login) = @_;
1240		1693
…		…
1246	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1247		1700
1248	$self	1701	$self
1249	}	1702	}
1250		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1251	=item $pl->quit_character	1714	=item $pl->quit_character
1252		1715
1253	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1255		1718
…		…
1259	my ($pl) = @_;	1722	my ($pl) = @_;
1260		1723
1261	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1262		1725
1263	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1728
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1269	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1270		1737
1271	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1308	or return [];	1775	or return [];
1309		1776
1310	my @logins;	1777	my @logins;
1311		1778
1312	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1316		1789
1317	utf8::decode $login;	1790	utf8::decode $login;
1318	push @logins, $login;	1791	push @logins, $login;
1319	}	1792	}
1320		1793
1321	\@logins	1794	\@logins
1322	}	1795	}
1323		1796
1324	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1325		1800
1326	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1327	player. May block.	1802	player. May block.
1328		1803
1329	=cut	1804	=cut
…		…
1347	}	1822	}
1348		1823
1349	\@paths	1824	\@paths
1350	}	1825	}
1351		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1352	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1353		1832
1354	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1355		1834
1356	=cut	1835	=cut
1357		1836
1358	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1360		1839
1361	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1841	}
1365		1842
1366	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1367		1844
1368	Sends an ext event to the client.	1845	Sends an ext event to the client.
1369		1846
1370	=cut	1847	=cut
1371		1848
1372	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1374		1851
1375	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1376	}	1853	}
1377		1854
1378	=head3 cf::region	1855	=head3 cf::region
1379		1856
1380	=over 4	1857	=over 4
…		…
1390	=cut	1867	=cut
1391		1868
1392	sub find_by_path($) {	1869	sub find_by_path($) {
1393	my ($path) = @_;	1870	my ($path) = @_;
1394		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1395	my ($match, $specificity);	1874	my ($match, $specificity);
1396		1875
1397	for my $region (list) {	1876	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1401	}	1880	}
1402	}	1881	}
1403		1882
…		…
1424	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1426		1905
1427	sub generate_random_map {	1906	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1430	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	1912	}
1444		1913
1445	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1446		1915
1447	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1452		1921
1453	sub register {	1922	sub register {
1454	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1924	my $pkg = caller;
1456		1925
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1927
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1929	}
1462		1930
1463	# also paths starting with '/'	1931	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1933
1466	sub thawer_merge {	1934	sub thawer_merge {
1467	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1468		1936
1469	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1474	}	1942	}
1475		1943
1476	sub normalise {	1944	sub normalise {
1477	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1478		1946
1479	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1480		1948
1481	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1482		1950
1483	# map plan:	1951	# map plan:
1484	#	1952	#
…		…
1499	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	1968	$path = "$base/$path";
1501	}	1969	}
1502		1970
1503	for ($path) {	1971	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1507	}	1974	}
1508		1975
1509	$path	1976	$path
…		…
1523	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1524	return $self;	1991	return $self;
1525	}	1992	}
1526	}	1993	}
1527		1994
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	1996	()
1530	}	1997	}
1531		1998
		1999	# may re-bless or do other evil things
1532	sub init {	2000	sub init {
1533	my ($self) = @_;	2001	my ($self) = @_;
1534		2002
1535	$self	2003	$self
1536	}	2004	}
…		…
1555		2023
1556	# the temporary/swap location	2024	# the temporary/swap location
1557	sub save_path {	2025	sub save_path {
1558	my ($self) = @_;	2026	my ($self) = @_;
1559		2027
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1562	}	2030	}
1563		2031
1564	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1565	sub uniq_path {	2033	sub uniq_path {
1566	my ($self) = @_;	2034	my ($self) = @_;
1567		2035
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2038	}
1580		2039
1581	sub decay_objects {	2040	sub decay_objects {
1582	my ($self) = @_;	2041	my ($self) = @_;
1583		2042
…		…
1596		2055
1597	sub load_header_from($) {	2056	sub load_header_from($) {
1598	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1599		2058
1600	utf8::encode $path;	2059	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1606		2068
1607	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1608		2070
1609	1	2071	1
1610	}	2072	}
…		…
1662		2124
1663	sub find;	2125	sub find;
1664	sub find {	2126	sub find {
1665	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1666		2128
		2129	cf::cede_to_tick;
		2130
1667	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1668		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2135
1671	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1674	or return;	2138	or return;
1675		2139
1676	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1677		2141
…		…
1679	or return;	2143	or return;
1680		2144
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1684	$map->reset;	2150	$map->reset;
1685	undef $guard;
1686	return find $path;	2151	return find $path;
1687	}	2152	}
1688		2153
1689	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1690	}	2155	}
1691	}	2156	}
1692		2157
1693	sub pre_load { }	2158	sub pre_load { }
1694	sub post_load { }	2159	#sub post_load { } # XS
1695		2160
1696	sub load {	2161	sub load {
1697	my ($self) = @_;	2162	my ($self) = @_;
1698		2163
1699	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1700		2165
1701	my $path = $self->{path};	2166	my $path = $self->{path};
1702		2167
1703	{	2168	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1705		2170
		2171	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2173
1708	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1709		2175
1710	$self->alloc;	2176	$self->alloc;
1711		2177
1712	$self->pre_load;	2178	$self->pre_load;
1713	Coro::cede;	2179	cf::cede_to_tick;
1714		2180
1715	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1716	or return;	2185	or return;
1717		2186
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1719	if delete $self->{load_original};	2188	if delete $self->{load_original};
1720		2189
1721	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2191	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2194	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1726	}	2199	}
1727	}
1728		2200
1729	Coro::cede;	2201	$f->resolve_delayed_derefs;
		2202	}
		2203
		2204	cf::cede_to_tick;
1730	# now do the right thing for maps	2205	# now do the right thing for maps
1731	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2208	unless $self->difficulty;
1734	Coro::cede;	2209	cf::cede_to_tick;
1735		2210
1736	unless ($self->{deny_activate}) {	2211	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2212	$self->decay_objects;
1738	$self->fix_auto_apply;	2213	$self->fix_auto_apply;
1739	$self->update_buttons;	2214	$self->update_buttons;
1740	Coro::cede;	2215	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2216	$self->activate;
1744	}	2217	}
1745		2218
		2219	$self->{last_save} = $cf::RUNTIME;
		2220	$self->last_access ($cf::RUNTIME);
		2221
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2222	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2223	}
1748		2224
1749	$self->post_load;	2225	$self->post_load;
1750	}
1751		2226
		2227	1
		2228	}
		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2233	sub customise_for {
1753	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1754		2235
1755	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2237	if $self->per_player;
…		…
1760		2241
1761	$self	2242	$self
1762	}	2243	}
1763		2244
1764	# find and load all maps in the 3x3 area around a map	2245	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2246	sub load_neighbours {
1766	my ($map) = @_;	2247	my ($map) = @_;
1767		2248
1768	my @diag; # diagonal neighbours	2249	my @neigh; # diagonal neighbours
1769		2250
1770	for (0 .. 3) {	2251	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2252	my $neigh = $map->tile_path ($_)
1772	or next;	2253	or next;
1773	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1774	or next;	2255	or next;
1775	$neigh->load;	2256	$neigh->load;
1776		2257
		2258	# now find the diagonal neighbours
		2259	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2262	}
1780		2263
1781	for (@diag) {	2264	for (grep defined $_->[0], @neigh) {
		2265	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2266	my $neigh = find $path, $origin
1783	or next;	2267	or next;
1784	$neigh->load;	2268	$neigh->load;
1785	}	2269	}
1786	}	2270	}
1787		2271
1788	sub find_sync {	2272	sub find_sync {
1789	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1790		2274
1791	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1792	}	2279	}
1793		2280
1794	sub do_load_sync {	2281	sub do_load_sync {
1795	my ($map) = @_;	2282	my ($map) = @_;
1796		2283
1797	cf::sync_job { $map->load };	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2285	if $Coro::current == $Coro::main;
		2286
		2287	$map->load;
1798	}	2288	}
1799		2289
1800	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1802		2292
1803	sub find_async {	2293	sub find_async {
1804	my ($path, $origin) = @_;	2294	my ($path, $origin, $load) = @_;
1805		2295
1806	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1807		2297
1808	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2300	}
1811		2301
1812	undef $MAP_PREFETCH{$path};	2302	$MAP_PREFETCH{$path} |= $load;
		2303
1813	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1814	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2309	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2310	$map->load if $v;
		2311	}
1819		2312
1820	delete $MAP_PREFETCH{$path};	2313	delete $MAP_PREFETCH{$k};
1821	}	2314	}
1822	}	2315	}
1823	undef $MAP_PREFETCHER;	2316	undef $MAP_PREFETCHER;
1824	};	2317	};
1825	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1826		2319
1827	()	2320	()
1828	}	2321	}
1829		2322
		2323	# common code, used by both ->save and ->swapout
1830	sub save {	2324	sub _save {
1831	my ($self) = @_;	2325	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2326
1835	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1836		2328
1837	return unless $self->dirty;	2329	return unless $self->dirty;
1838		2330
…		…
1844	return if $self->{deny_save};	2336	return if $self->{deny_save};
1845		2337
1846	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
1847		2339
1848	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
1850	};	2343	};
		2344
		2345	cf::get_slot 0.02;
1851		2346
1852	if ($uniq) {	2347	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2350	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2352	}
1858	}	2353	}
1859		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
1860	sub swap_out {	2363	sub swap_out {
1861	my ($self) = @_;	2364	my ($self) = @_;
1862		2365
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
1868	return if $self->players;	2370	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
1872	$self->clear;	2381	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2382	}
1875		2383
1876	sub reset_at {	2384	sub reset_at {
1877	my ($self) = @_;	2385	my ($self) = @_;
1878		2386
…		…
1896		2404
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2406
1899	return if $self->players;	2407	return if $self->players;
1900		2408
1901	warn "resetting map ", $self->path;	2409	cf::trace "resetting map ", $self->path, "\n";
1902		2410
1903	$self->in_memory (cf::MAP_SWAPPED);	2411	$self->in_memory (cf::MAP_SWAPPED);
1904		2412
1905	# need to save uniques path	2413	# need to save uniques path
1906	unless ($self->{deny_save}) {	2414	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2418	if $uniq;
1911	}	2419	}
1912		2420
1913	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
1914		2422
		2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2425	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2426
1919	$self->unlink_save;	2427	$self->unlink_save;
1920	$self->destroy;	2428	$self->destroy;
1921	}	2429	}
1922		2430
1923	my $nuke_counter = "aaaa";	2431	my $nuke_counter = "aaaa";
1924		2432
1925	sub nuke {	2433	sub nuke {
1926	my ($self) = @_;	2434	my ($self) = @_;
1927		2435
		2436	{
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
1928	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
1929		2440
1930	$self->unlink_save;	2441	$self->unlink_save;
1931		2442
1932	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2448
1938	$cf::MAP{$self->path} = $self;	2449	$cf::MAP{$self->path} = $self;
		2450	}
1939		2451
1940	$self->reset; # polite request, might not happen	2452	$self->reset; # polite request, might not happen
1941	}	2453	}
1942		2454
1943	=item $maps = cf::map::tmp_maps	2455	=item $maps = cf::map::tmp_maps
…		…
1985		2497
1986	sub unique_maps() {	2498	sub unique_maps() {
1987	[	2499	[
1988	map {	2500	map {
1989	utf8::decode $_;	2501	utf8::decode $_;
1990	/\.map$/	2502	s/\.map$//; # TODO future compatibility hack
		2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2504	? ()
1991	? normalise $_	2505	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2506	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2507	]
1995	}	2508	}
1996		2509
1997	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
1998		2541
1999	=back	2542	=back
2000		2543
2001	=head3 cf::object	2544	=head3 cf::object
2002		2545
…		…
2006		2549
2007	=over 4	2550	=over 4
2008		2551
2009	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
2010		2553
2011	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
2012		2556
2013	=cut	2557	=cut
2014		2558
2015	sub inv_recursive_;	2559	sub inv_recursive_;
2016	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
2019		2563
2020	sub inv_recursive {	2564	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
2022	}	2566	}
2023		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
2024	package cf;	2596	package cf;
2025		2597
2026	=back	2598	=back
2027		2599
2028	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2607	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
2037		2609
2038	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
2039		2625
2040	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2627	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
2050		2636
2051	} else {	2637	} else {
2052	my $pl = $self->contr;	2638	my $pl = $self->contr;
2053		2639
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2640	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2641	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2643
2060	} else {	2644	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2647	}
2064	}	2648	}
		2649	}
		2650
		2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2652
		2653	=cut
		2654
		2655	sub cf::object::send_msg {
		2656	my $pl = shift->contr
		2657	or return;
		2658	$pl->send_msg (@_);
2065	}	2659	}
2066		2660
2067	=item $player_object->may ("access")	2661	=item $player_object->may ("access")
2068		2662
2069	Returns wether the given player is authorized to access resource "access"	2663	Returns wether the given player is authorized to access resource "access"
…		…
2082		2676
2083	=item $player_object->enter_link	2677	=item $player_object->enter_link
2084		2678
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2680
2087	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
2089		2685
2090	Will never block.	2686	Will never block.
2091		2687
2092	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
2093		2689
…		…
2113	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2710	my ($self) = @_;
2115		2711
2116	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
2117		2713
		2714	++$self->{_link_recursion};
		2715
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2717
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2719	if $self->map && $self->map->{path} ne "{link}";
2122		2720
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2722	}
2125		2723
2126	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
2128		2726
…		…
2145	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
2147		2745
2148	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
2151		2749
2152	$map->load;	2750	$map->load;
2153	$map->load_diag;	2751	$map->load_neighbours;
2154		2752
2155	return unless $self->contr->active;	2753	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2754
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
2160	}	2757	# entering was successful
		2758	delete $self->{_link_recursion};
		2759	# only activate afterwards, to support waiting in hooks
		2760	$self->activate_recursive;
		2761	}
2161		2762
		2763	}
		2764
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2766
2164	Moves the player to the given map-path and coordinates by first freezing	2767	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2768	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2769	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2770	the new (success) or old (failed) map position. In either case, $done will
		2771	be called at the end of this process.
		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
2168		2775
2169	=cut	2776	=cut
2170		2777
2171	our $GOTOGEN;	2778	our $GOTOGEN;
2172		2779
2173	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
2175		2788
2176	# do generation counting so two concurrent goto's will be executed in-order	2789	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2791
2179	$self->enter_link;	2792	$self->enter_link;
2180		2793
2181	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
2182	my $map = eval {	2816	my $map = eval {
2183	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
2184		2818
2185	if ($map) {	2819	if ($map) {
2186	$map = $map->customise_for ($self);	2820	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2821	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2822	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2824	}
2191		2825
2192	$map	2826	$map
2193	};	2827	};
2194		2828
…		…
2199		2833
2200	if ($gen == $self->{_goto_generation}) {	2834	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2835	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
2203	}	2837	}
		2838
		2839	$done->($self) if $done;
2204	})->prio (1);	2840	})->prio (1);
2205	}	2841	}
2206		2842
2207	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
2208		2844
…		…
2228	}	2864	}
2229		2865
2230	sub prepare_random_map {	2866	sub prepare_random_map {
2231	my ($exit) = @_;	2867	my ($exit) = @_;
2232		2868
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2871	# that depends on the exit object
2238		2872
2239	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2875	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
2246	}	2882	}
2247		2883
2248	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
2249		2885
2250	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
2253		2889
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2892	undef $fh;
2257	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
2258		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
2261	}	2901	}
2262	}	2902	}
2263		2903
2264	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
2266		2906
2267	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
2268		2908
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2909	$self->enter_link;
2281		2910
2282	(async {	2911	(async {
2283	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
2284	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
2285	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
2286		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
2287	1;	2935	1
2288	}) {	2936	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2941
2294	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2943	$self->leave_link;
2296	}	2944	}
2297	})->prio (1);	2945	})->prio (1);
2298	}	2946	}
2299		2947
…		…
2313		2961
2314	utf8::encode $text;	2962	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2964	}
2317		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
		2989	}
		2990
		2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2992
		2993	Send a drawinfo or msg packet to the client, formatting the msg for the
		2994	client if neccessary. C<$type> should be a string identifying the type of
		2995	the message, with C<log> being the default. If C<$color> is negative, suppress
		2996	the message unless the client supports the msg packet.
		2997
		2998	=cut
		2999
		3000	# non-persistent channels (usually the info channel)
		3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
		3008	"c/identify" => {
		3009	id => "infobox",
		3010	title => "Identify",
		3011	reply => undef,
		3012	tooltip => "Items recently identified",
		3013	},
		3014	"c/examine" => {
		3015	id => "infobox",
		3016	title => "Examine",
		3017	reply => undef,
		3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
		3112	);
		3113
		3114	sub cf::client::send_msg {
		3115	my ($self, $channel, $msg, $color, @extra) = @_;
		3116
		3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
		3119
		3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3121
		3122	# check predefined channels, for the benefit of C
		3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
		3129	} elsif (ref $channel) {
		3130	# send meta info to client, if not yet sent
		3131	unless (exists $self->{channel}{$channel->{id}}) {
		3132	$self->{channel}{$channel->{id}} = $channel;
		3133	$self->ext_msg (channel_info => $channel);
		3134	}
		3135
		3136	$channel = $channel->{id};
		3137	}
		3138
		3139	return unless @extra || length $msg;
		3140
		3141	# default colour, mask it out
		3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3143	if $color & cf::NDI_DEF;
		3144
		3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
		3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3148	);
		3149
		3150	$self->send_big_packet ($pkt);
		3151	}
		3152
2318	=item $client->ext_event ($type, %msg)	3153	=item $client->ext_msg ($type, @msg)
2319		3154
2320	Sends an exti event to the client.	3155	Sends an ext event to the client.
2321		3156
2322	=cut	3157	=cut
2323		3158
2324	sub cf::client::ext_event($$%) {	3159	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3160	my ($self, $type, @msg) = @_;
2326		3161
		3162	if ($self->extcmd == 2) {
		3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3164	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3165	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3167	}
		3168	}
		3169
		3170	=item $client->ext_reply ($msgid, @msg)
		3171
		3172	Sends an ext reply to the client.
		3173
		3174	=cut
		3175
		3176	sub cf::client::ext_reply($$@) {
		3177	my ($self, $id, @msg) = @_;
		3178
		3179	if ($self->extcmd == 2) {
		3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3181	} elsif ($self->extcmd == 1) {
		3182	#TODO: version 1, remove
		3183	unshift @msg, msgtype => "reply", msgid => $id;
		3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3185	}
2329	}	3186	}
2330		3187
2331	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2332		3189
2333	Queues a query to the client, calling the given callback with	3190	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3191	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3192	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3193
2337	Queries can fail, so check the return code. Or don't, as queries will become	3194	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3195	become reliable at some point in the future.
2339		3196
2340	=cut	3197	=cut
2341		3198
2342	sub cf::client::query {	3199	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3200	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3208	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3209	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3210
2354	$self->send_packet ($self->{query_queue}[0][0])	3211	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3212	if @{ $self->{query_queue} } == 1;
		3213
		3214	1
2356	}	3215	}
2357		3216
2358	cf::client->attach (	3217	cf::client->attach (
		3218	on_connect => sub {
		3219	my ($ns) = @_;
		3220
		3221	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3222	},
2359	on_reply => sub {	3223	on_reply => sub {
2360	my ($ns, $msg) = @_;	3224	my ($ns, $msg) = @_;
2361		3225
2362	# this weird shuffling is so that direct followup queries	3226	# this weird shuffling is so that direct followup queries
2363	# get handled first	3227	# get handled first
…		…
2375	} else {	3239	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3240	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3241	}
2378	}	3242	}
2379	},	3243	},
		3244	on_exticmd => sub {
		3245	my ($ns, $buf) = @_;
		3246
		3247	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3248
		3249	if (ref $msg) {
		3250	my ($type, $reply, @payload) =
		3251	"ARRAY" eq ref $msg
		3252	? @$msg
		3253	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3254
		3255	my @reply;
		3256
		3257	if (my $cb = $EXTICMD{$type}) {
		3258	@reply = $cb->($ns, @payload);
		3259	}
		3260
		3261	$ns->ext_reply ($reply, @reply)
		3262	if $reply;
		3263
		3264	} else {
		3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3266	}
		3267
		3268	cf::override;
		3269	},
2380	);	3270	);
2381		3271
2382	=item $client->async (\&cb)	3272	=item $client->async (\&cb)
2383		3273
2384	Create a new coroutine, running the specified callback. The coroutine will	3274	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3290
2401	$coro	3291	$coro
2402	}	3292	}
2403		3293
2404	cf::client->attach (	3294	cf::client->attach (
2405	on_destroy => sub {	3295	on_client_destroy => sub {
2406	my ($ns) = @_;	3296	my ($ns) = @_;
2407		3297
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3299	},
2410	);	3300	);
…		…
2425	our $safe = new Safe "safe";	3315	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2427		3317
2428	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2429		3319
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3320	$safe->permit_only (Opcode::opset qw(
		3321	:base_core :base_mem :base_orig :base_math :base_loop
		3322	grepstart grepwhile mapstart mapwhile
		3323	sort time
		3324	));
2431		3325
2432	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
2433		3327
2434	=pod	3328	=pod
2435		3329
2436	The following functions and methods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2437		3331
2438	cf::object contr pay_amount pay_player map	3332	cf::object
		3333	contr pay_amount pay_player map x y force_find force_add destroy
		3334	insert remove name archname title slaying race decrease split
		3335	value
		3336
2439	cf::object::player player	3337	cf::object::player
2440	cf::player peaceful	3338	player
2441	cf::map trigger	3339
		3340	cf::player
		3341	peaceful
		3342
		3343	cf::map
		3344	trigger
2442		3345
2443	=cut	3346	=cut
2444		3347
2445	for (	3348	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3350	insert remove inv nrof name archname title slaying race
		3351	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2450	) {	3355	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3358	for @funs;
2455	}	3359	}
2456		3360
…		…
2471		3375
2472	my $qcode = $code;	3376	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2475		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2476	local $_;	3383	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3384
2479	my $eval =	3385	my $eval =
2480	"do {\n"	3386	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3389	. $code
2484	. "\n}"	3390	. "\n}"
2485	;	3391	;
2486		3392
		3393	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2490		3402
2491	if ($@) {	3403	if ($@) {
2492	warn "$@";	3404	warn "$@",
2493	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2495	}	3407	}
2496		3408
2497	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2498	}	3410	}
2499		3411
…		…
2513	=cut	3425	=cut
2514		3426
2515	sub register_script_function {	3427	sub register_script_function {
2516	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2517		3429
2518	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2520	}	3432	}
2521		3433
2522	=back	3434	=back
2523		3435
2524	=cut	3436	=cut
…		…
2527	# the server's init and main functions	3439	# the server's init and main functions
2528		3440
2529	sub load_facedata($) {	3441	sub load_facedata($) {
2530	my ($path) = @_;	3442	my ($path) = @_;
2531		3443
		3444	# HACK to clear player env face cache, we need some signal framework
		3445	# for this (global event?)
		3446	%ext::player_env::MUSIC_FACE_CACHE = ();
		3447
		3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3449
2532	warn "loading facedata from $path\n";	3450	trace "loading facedata from $path\n";
2533		3451
2534	my $facedata;	3452	my $facedata = decode_storable load_file $path;
2535	0 < aio_load $path, $facedata
2536	or die "$path: $!";
2537
2538	$facedata = Coro::Storable::thaw $facedata;
2539		3453
2540	$facedata->{version} == 2	3454	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3456
		3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3459	$facedata->{resource}{"res/exp_table"} = {
		3460	type => FT_RSRC,
		3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
		3463	};
		3464	cf::cede_to_tick;
		3465
2543	{	3466	{
2544	my $faces = $facedata->{faceinfo};	3467	my $faces = $facedata->{faceinfo};
2545		3468
2546	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3472	cf::face::set_visibility $idx, $info->{visibility};
		3473	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3477
		3478	cf::cede_to_tick;
2552	}	3479	}
2553		3480
2554	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
2556	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
2557	or next;	3485	or next;
		3486
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3487	if (my $smooth = cf::face::find $info->{smooth}) {
		3488	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3490	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3491	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3492	}
2563	Coro::cede;	3493
		3494	cf::cede_to_tick;
2564	}	3495	}
2565	}	3496	}
2566		3497
2567	{	3498	{
2568	my $anims = $facedata->{animinfo};	3499	my $anims = $facedata->{animinfo};
2569		3500
2570	while (my ($anim, $info) = each %$anims) {	3501	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3502	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3503	cf::cede_to_tick;
2573	}	3504	}
2574		3505
2575	cf::anim::invalidate_all; # d'oh	3506	cf::anim::invalidate_all; # d'oh
2576	}	3507	}
2577		3508
		3509	{
		3510	my $res = $facedata->{resource};
		3511
		3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
		3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3515
		3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3517	cf::face::set_type $idx, $info->{type};
		3518	} else {
		3519	$RESOURCE{$name} = $info; # unused
		3520	}
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3527
2578	1	3528	1
2579	}	3529	}
2580		3530
		3531	register_exticmd fx_want => sub {
		3532	my ($ns, $want) = @_;
		3533
		3534	while (my ($k, $v) = each %$want) {
		3535	$ns->fx_want ($k, $v);
		3536	}
		3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
		3548
2581	sub reload_regions {	3549	sub reload_regions {
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
2582	load_resource_file "$MAPDIR/regions"	3554	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3555	or die "unable to load regions file\n";
		3556
		3557	for (cf::region::list) {
		3558	$_->{match} = qr/$_->{match}/
		3559	if exists $_->{match};
		3560	}
2584	}	3561	}
2585		3562
2586	sub reload_facedata {	3563	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3564	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3565	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3573	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3574	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3575	or die "unable to load treasurelists\n";
2599	}	3576	}
2600		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
2601	sub reload_resources {	3598	sub reload_resources {
2602	warn "reloading resource files...\n";	3599	trace "reloading resource files...\n";
2603		3600
		3601	reload_exp_table;
		3602	reload_materials;
		3603	reload_facedata;
		3604	reload_sound;
		3605	reload_archetypes;
2604	reload_regions;	3606	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3607	reload_treasures;
2609		3608
2610	warn "finished reloading resource files\n";	3609	trace "finished reloading resource files\n";
2611	}	3610	}
2612		3611
2613	sub init {	3612	sub reload_config {
2614	reload_resources;	3613	trace "reloading config file...\n";
2615	}
2616		3614
2617	sub cfg_load {	3615	my $config = load_file "$CONFDIR/config";
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3616	utf8::decode $config;
2619	or return;	3617	*CFG = decode_yaml $config;
2620		3618
2621	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;
2623
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3620
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3623
2629	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
2633	};	3628	};
2634	warn $@ if $@;	3629	warn $@ if $@;
2635	}	3630	}
2636	}	3631	}
2637		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
2638	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
2639	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3674	(async {
2643	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
2645	};	3678	};
2646		3679
2647	cfg_load;	3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
		3692	reload_config;
2648	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
2649	load_extensions;	3703	load_extensions;
2650		3704
2651	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
2653	}	3723	}
2654		3724
2655	#############################################################################	3725	#############################################################################
2656	# initialisation and cleanup	3726	# initialisation and cleanup
2657		3727
2658	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
2659	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
2668	},
2669	);	3734	};
2670	}	3735	}
2671	}	3736	}
2672		3737
2673	sub write_runtime {	3738	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3739	my $t0 = AE::time;
2675		3740
2676	# first touch the runtime file to show we are still running:	3741	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3742	# the fsync below can take a very very long time.
2678		3743
2679	IO::AIO::aio_utime $runtime, undef, undef;	3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3745
2681	my $guard = cf::lock_acquire "write_runtime";	3746	my $guard = cf::lock_acquire "write_runtime";
2682		3747
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3749	or return;
2685		3750
2686	my $value = $cf::RUNTIME + 90 + 10;	3751	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3752	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3753	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3763	aio_utime $fh, undef, undef;
2699		3764
2700	close $fh	3765	close $fh
2701	or return;	3766	or return;
2702		3767
2703	aio_rename "$runtime~", $runtime	3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3769	and return;
2705		3770
2706	warn "runtime file written.\n";	3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3772
2708	1	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
2709	}	3824	}
2710		3825
2711	sub emergency_save() {	3826	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
2713		3828
2714	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
2715		3835
2716	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
2717	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3847	$pl->save;
2725	}	3848	}
2726	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
2727		3850
2728	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3856	$map->valid or next;
2732	$map->save;	3857	$map->save;
2733	}	3858	}
2734	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
2735		3860
2736	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3889	};
2740		3890
2741	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
2742	}	3892	}
2743		3893
2744	sub post_cleanup {	3894	sub post_cleanup {
2745	my ($make_core) = @_;	3895	my ($make_core) = @_;
2746		3896
		3897	IO::AIO::flush;
		3898
2747	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3900	if $make_core;
		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
2749	}	3929	}
2750		3930
2751	sub do_reload_perl() {	3931	sub do_reload_perl() {
2752	# can/must only be called in main	3932	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
2754	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
2755	return;	3935	return;
2756	}	3936	}
2757		3937
2758	warn "reloading...";	3938	return if $RELOAD++;
2759		3939
2760	warn "entering sync_job";	3940	my $t1 = AE::time;
2761		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
2762	cf::sync_job {	3948	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3949	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3950
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3953	%EXT_CORO = ();
2791		3954
2792	warn "removing commands";	3955	trace "perl_reload: removing commands";
2793	%COMMAND = ();	3956	%COMMAND = ();
2794		3957
2795	warn "removing ext commands";	3958	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	3959	%EXTCMD = ();
		3960	%EXTICMD = ();
2797		3961
2798	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
2801		3965
2802	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
2803	eval {	3967	eval {
2804	$cb->($pkg);	3968	$cb->($pkg);
2805	1	3969	1
2806	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
2807	}	3975	}
2808		3976
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3980
2817	warn "... unloading $k";	3981	trace "... unloading $k";
2818	delete $INC{$k};	3982	delete $INC{$k};
2819		3983
2820	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
2822		3986
2823	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
2825	}	3992	}
2826		3993
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3997
2834	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		4001
2838	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
2839	# and global variables created in xs	4003	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
2841		4005
2842	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
2843		4007
2844	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
2845	require cf;	4009	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
2847		4011
2848	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	4013	cf::reload_config;
2850		4014
2851	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	4016	cf::load_extensions;
2853		4017
		4018	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
2860		4026
2861	warn "leaving sync_job";	4027	cf::_post_init 1;
2862		4028
		4029	trace "perl_reload: leaving sync_job";
		4030
2863	1	4031	1
2864	} or do {	4032	} or do {
2865	warn $@;	4033	error $@;
2866	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4035	};
		4036
		4037	--$RELOAD;
2868	};	4038	}
2869		4039
2870	warn "reloaded";	4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
2871	};	4042	};
2872		4043
2873	our $RELOAD_WATCHER; # used only during reload	4044	our $RELOAD_WATCHER; # used only during reload
2874		4045
2875	sub reload_perl() {	4046	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4047	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4048	# coro crashes during coro_state_free->destroy here.
2878		4049
2879	$RELOAD_WATCHER ||= Event->timer (	4050	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4051	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4052
2882	data => WF_AUTOCANCEL,	4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4054	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4055	undef $RELOAD_WATCHER;
2886	},	4056	};
2887	);	4057	};
2888	}	4058	}
2889		4059
2890	register_command "reload" => sub {	4060	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
2892		4062
2893	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
		4065	async {
		4066	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4067	reload_perl;
		4068	};
2896	}	4069	}
2897	};	4070	};
2898		4071
2899	unshift @INC, $LIBDIR;	4072	#############################################################################
2900		4073
2901	my $bug_warning = 0;	4074	my $bug_warning = 0;
2902		4075
2903	our @WAIT_FOR_TICK;	4076	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	4077	our @WAIT_FOR_TICK_BEGIN;
2905		4078
2906	sub wait_for_tick {	4079	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		4081
2910	my $signal = new Coro::Signal;	4082	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	4083	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	4084	$signal->wait;
2913	}	4085	}
2914		4086
2915	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		4089
2919	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4092	$signal->wait;
2922	}	4093	}
2923		4094
2924	my $min = 1e6;#d#	4095	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2936	return;	4099	return;
2937	}	4100	}
2938		4101
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
2942		4103
2943	0 && sync_job {#d#	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		4105
2949	$map->width (50);	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	4108	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	4109	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	4110	write_runtime_sync
2954		4111	or error "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4112	};
		4113	}
2965		4114
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4116	$sig->send;
2982	}	4117	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4118	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4119	$sig->send;
2985	}	4120	}
2986		4121
2987	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4124
2998	_post_tick;	4125	if (0) {
2999		4126	if ($NEXT_TICK) {
3000		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3001	},	4131	}
3002	);	4132	}
3003		4133
3004	{	4134	{
3005	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4136
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3015		4138	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4139	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4140
3031	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4148
3034	cf::sync_job {	4149	cf::sync_job {
3035	eval {	4150	eval {
3036	BDB::db_env_open	4151	BDB::db_env_open
3037	$DB_ENV,	4152	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4156	0666;
3042		4157
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4159	};
3048		4160
3049	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4162	};
3051	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
3052	}	4174	}
3053		4175
3054	{	4176	{
		4177	# configure IO::AIO
		4178
3055	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4182	}
3068		4183
3069	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3070		4186
3071	sub _log_backtrace {	4187	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3073		4189
3074	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3075		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3079	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3080	my @bt = fork_call {	4203	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3092	}	4215	}
3093		4216
3094	@funcs	4217	@funcs
3095	};	4218	};
3096		4219
3097	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4223	--$_log_backtrace;
3100	};	4224	};
3101	} else {	4225	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4228	}
3105	}	4229	}
3106		4230
3107	# load additional modules	4231	# load additional modules
3108	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3109		4234
3110	END { cf::emergency_save }	4235	END { cf::emergency_save }
3111		4236
3112	1	4237	1
3113		4238

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