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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	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	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
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		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
98		132
99	binmode STDOUT;	133	binmode STDOUT;
100	binmode STDERR;	134	binmode STDERR;
101		135
102	# read virtual server time, if available	136	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
107	}	141	}
108		142
109	mkdir $_	143	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		189
156	The raw value load value from the last tick.	190	The raw value load value from the last tick.
157		191
158	=item %cf::CFG	192	=item %cf::CFG
159		193
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	195	from wherever your confdir points to.
162		196
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		198
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	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	200	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
169	=back	209	=back
170		210
171	=cut	211	=cut
172		212
173	BEGIN {	213	BEGIN {
…		…
177	$msg .= "\n"	217	$msg .= "\n"
178	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
179		219
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		221
182	utf8::encode $msg;
183	LOG llevError, $msg;	222	LOG llevError, $msg;
184	};	223	};
185	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
186		240
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	251	for my $pkg (qw(
198	cf::global cf::attachable	252	cf::global cf::attachable
199	cf::object cf::object::player	253	cf::object cf::object::player
200	cf::client cf::player	254	cf::client cf::player
201	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
202	cf::map cf::party cf::region	257	cf::party cf::region
203	)) {	258	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	260	}
207		261
208	$Event::DIED = sub {	262	$EV::DIED = sub {
209	warn "error in event callback: @_";	263	warn "error in event callback: @_";
210	};	264	};
		265
		266	#############################################################################
211		267
212	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
213		269
214	=over 4	270	=over 4
215		271
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	291	$d
236	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
237	}	293	}
238		294
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
242		296
243	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
244		298
245	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
246		300
247	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
248		309
249	=item cf::lock_wait $string	310	=item cf::lock_wait $string
250		311
251	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
252		313
…		…
255	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
258	returned.	319	returned.
259		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
260	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
262		326
263	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
264		328
265	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
266		330
267	=cut	331	=cut
268		332
269	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
270		335
271	sub lock_wait($) {	336	sub lock_wait($) {
272	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
273		343
274	# wait for lock, if any	344	# wait for lock, if any
275	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	347	Coro::schedule;
…		…
283		353
284	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
285	lock_wait $key;	355	lock_wait $key;
286		356
287	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
288		359
289	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
292	}	364	}
293	}	365	}
294		366
…		…
297		369
298	! ! $LOCK{$key}	370	! ! $LOCK{$key}
299	}	371	}
300		372
301	sub freeze_mainloop {	373	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
303		375
304	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
306	};	437	}
307	$TICK_WATCHER->stop;	438	};
308	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
309	}	452	}
310		453
311	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
312		455
313	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		461
319	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
320		463
321	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
322		465
323	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
326		470
327	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
330	fast or be very important.	474	fast or be very important.
…		…
333		477
334	sub sync_job(&) {	478	sub sync_job(&) {
335	my ($job) = @_;	479	my ($job) = @_;
336		480
337	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	482	my $time = EV::time;
339		483
340	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
342		486
343	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	488
345	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
346		490
347	my $busy = 1;	491	my $busy = 1;
348	my @res;	492	my @res;
349		493
350	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	496	@res = eval { $job->() };
352	warn $@ if $@;	497	warn $@ if $@;
353	undef $busy;	498	undef $busy;
354	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
355		500
356	while ($busy) {	501	while ($busy) {
357	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
358	}	506	}
		507	}
359		508
360	$time = Event::time - $time;	509	my $time = EV::time - $time;
361		510
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	511	$TICK_START += $time; # do not account sync jobs to server load
366		512
367	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
368	} else {	514	} else {
369	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
370		516
…		…
390	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
391		537
392	$coro	538	$coro
393	}	539	}
394		540
395	sub write_runtime {	541	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		542
398	# first touch the runtime file to show we are still running:	543	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
400		547
401	IO::AIO::aio_utime $runtime, undef, undef;	548	=cut
402		549
403	my $guard = cf::lock_acquire "write_runtime";	550	sub fork_call(&@) {
		551	my ($cb, @args) = @_;
404		552
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	553	# we seemingly have to make a local copy of the whole thing,
406	or return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
407		556
408	my $value = $cf::RUNTIME + 90 + 10;	557	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	558	reset_signals;
410	# 60 allows for the watchdog to kill the server.	559	&$cb
		560	}, @args;
411		561
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	562	wantarray ? @res : $res[-1]
413	and return;	563	}
414		564
415	# always fsync - this file is important	565	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		566
419	# touch it again to show we are up-to-date	567	=cut
420	aio_utime $fh, undef, undef;
421		568
422	close $fh	569	our %coin_alias = (
423	or return;	570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
424		585
425	aio_rename "$runtime~", $runtime	586	sub coin_from_name($) {
426	and return;	587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
427		591
428	warn "runtime file written.\n";	592	=item $value = cf::db_get $family => $key
429		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
430	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
431	}	717	}
432		718
433	=item cf::datalog type => key => value, ...	719	=item cf::datalog type => key => value, ...
434		720
435	Log a datalog packet of the given type with the given key-value pairs.	721	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		733
448	#############################################################################	734	#############################################################################
449		735
450	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
451		737
452	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
455		741
456	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	744	Deliantra).
459		745
460	=over 4	746	=over 4
461		747
462	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
463		749
…		…
507	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
508		794
509	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
511		797
512	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
514		800
515	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
516		802
517	=over 4	803	=over 4
…		…
665	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
666	}	952	}
667		953
668	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
669	} else {	955	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	957	}
672		958
673	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
674	}	960	}
675		961
…		…
715	";	1001	";
716	die if $@;	1002	die if $@;
717	}	1003	}
718		1004
719	our $override;	1005	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1007
722	sub override {	1008	sub override {
723	$override = 1;	1009	$override = 1;
724	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
725	}	1011	}
726		1012
727	sub do_invoke {	1013	sub do_invoke {
728	my $event = shift;	1014	my $event = shift;
729	my $callbacks = shift;	1015	my $callbacks = shift;
730		1016
731	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
732		1018
733	local $override;	1019	local $override;
734		1020
735	for (@$callbacks) {	1021	for (@$callbacks) {
736	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
745	}	1031	}
746		1032
747	0	1033	0
748	}	1034	}
749		1035
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1037
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1039
754	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
755		1041
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1043	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1045
760	=back	1046	=back
761		1047
762	=cut	1048	=cut
763		1049
764	#############################################################################	1050	#############################################################################
765	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
766		1094
767	sub reattach {	1095	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1097	my ($obj) = @_;
770		1098
		1099	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1101
773	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
774		1103
775	@$registry = ();	1104	@$registry = ();
776		1105
…		…
791	cf::attachable->attach (	1120	cf::attachable->attach (
792	prio => -1000000,	1121	prio => -1000000,
793	on_instantiate => sub {	1122	on_instantiate => sub {
794	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
795		1124
796	$data = from_json $data;	1125	$data = decode_json $data;
797		1126
798	for (@$data) {	1127	for (@$data) {
799	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
800		1129
801	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1146	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
819		1148
820	sync_job {	1149	sync_job {
821	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
824		1154
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1159	aio_close $fh;
830		1160
831	if (@$objs) {	1161	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1167	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
839	}	1169	}
840	} else {	1170	} else {
841	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
842	}	1172	}
…		…
847	}	1177	}
848	} else {	1178	} else {
849	aio_unlink $filename;	1179	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
851	}	1181	}
852	}	1182	};
853	}	1183	}
854		1184
855	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
857		1187
…		…
869	or return;	1199	or return;
870		1200
871	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
873	or return;	1203	or return;
		1204
874	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
875	}	1207	}
876		1208
		1209	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1211	$decname, length $data, scalar @{$av || []};
		1212
879	return ($data, $av);	1213	($data, $av)
880	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
881		1221
882	#############################################################################	1222	#############################################################################
883	# command handling &c	1223	# command handling &c
884		1224
885	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1239	}
900		1240
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1242
903	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
904		1248
905	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
906	called.	1250	called.
907		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
908	=cut	1263	=cut
909		1264
910	sub register_extcmd {	1265	sub register_extcmd {
911	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
912		1267
913	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
914	}	1275	}
915		1276
916	cf::player->attach (	1277	cf::player->attach (
917	on_command => sub {	1278	on_command => sub {
918	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1288	cf::override;
928	},	1289	},
929	on_extcmd => sub {	1290	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
931		1292
932	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1294
934	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
940	} else {	1310	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1312	}
943		1313
944	cf::override;	1314	cf::override;
…		…
967	path => $path,	1337	path => $path,
968	base => $base,	1338	base => $base,
969	pkg => $pkg,	1339	pkg => $pkg,
970	);	1340	);
971		1341
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1344
975	$ext{source} =	1345	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1347	. "#line 1 \"$path\"\n{\n"
978	. $source	1348	. $source
979	. "\n};\n1";	1349	. "\n};\n1";
980		1350
981	$todo{$base} = \%ext;	1351	$todo{$base} = \%ext;
…		…
984	my %done;	1354	my %done;
985	while (%todo) {	1355	while (%todo) {
986	my $progress;	1356	my $progress;
987		1357
988	while (my ($k, $v) = each %todo) {	1358	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1359	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1360	goto skip
991	unless exists $done{$_};	1361	unless exists $done{$_};
992	}	1362	}
993		1363
994	warn "... loading '$k' into '$v->{pkg}'\n";	1364	warn "... loading '$k' into '$v->{pkg}'\n";
995		1365
996	unless (eval $v->{source}) {	1366	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1367	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1368	: "$v->{base}: extension inactive.\n";
999		1369
1000	if (exists $v->{meta}{mandatory}) {	1370	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1371	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1372	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1373	}
1005		1374
1006	die $msg;	1375	warn $msg;
1007	}	1376	}
1008		1377
1009	$done{$k} = delete $todo{$k};	1378	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
1011	}	1381	}
1012		1382
1013	skip:	1383	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1385	unless $progress;
…		…
1017	};	1387	};
1018	}	1388	}
1019		1389
1020	#############################################################################	1390	#############################################################################
1021		1391
		1392	=back
		1393
1022	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
1023		1395
1024	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
1025		1397
1026	=cut	1398	=cut
1027		1399
1028	package cf::player;	1400	package cf::player;
1029		1401
1030	use Coro::AIO;	1402	use Coro::AIO;
1031		1403
1032	=head3 cf::player	1404	=head3 cf::player
1033		1405
1034	=over 4	1406	=over 4
		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
1035		1421
1036	=item cf::player::find $login	1422	=item cf::player::find $login
1037		1423
1038	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
1039		1425
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1465
1080	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1083	}	1475	}
1084	}	1476	}
1085	}	1477	}
1086		1478
…		…
1095	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1096		1488
1097	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1099		1491
		1492	cf::get_slot 0.01;
		1493
1100	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1101	Coro::cede;	1495	cf::cede_to_tick;
1102	}	1496	}
1103		1497
1104	sub new($) {	1498	sub new($) {
1105	my ($login) = @_;	1499	my ($login) = @_;
1106		1500
…		…
1112	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1113		1507
1114	$self	1508	$self
1115	}	1509	}
1116		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1117	=item $pl->quit_character	1521	=item $pl->quit_character
1118		1522
1119	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1121		1525
…		…
1125	my ($pl) = @_;	1529	my ($pl) = @_;
1126		1530
1127	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1128		1532
1129	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1535
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1136		1542
1137	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1580	or return [];
1175		1581
1176	my @logins;	1582	my @logins;
1177		1583
1178	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1182		1594
1183	utf8::decode $login;	1595	utf8::decode $login;
1184	push @logins, $login;	1596	push @logins, $login;
1185	}	1597	}
1186		1598
…		…
1213	}	1625	}
1214		1626
1215	\@paths	1627	\@paths
1216	}	1628	}
1217		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1218	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1219		1635
1220	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1221		1637
1222	=cut	1638	=cut
1223		1639
1224	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1226		1642
1227	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1644	}
1231		1645
1232	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1233		1647
1234	Sends an ext event to the client.	1648	Sends an ext event to the client.
1235		1649
1236	=cut	1650	=cut
1237		1651
1238	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1240		1654
1241	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1242	}	1656	}
1243		1657
1244	=head3 cf::region	1658	=head3 cf::region
1245		1659
1246	=over 4	1660	=over 4
…		…
1249		1663
1250	package cf::region;	1664	package cf::region;
1251		1665
1252	=item cf::region::find_by_path $path	1666	=item cf::region::find_by_path $path
1253		1667
1254	Tries to decuce the probable region for a map knowing only its path.	1668	Tries to decuce the likely region for a map knowing only its path.
1255		1669
1256	=cut	1670	=cut
1257		1671
1258	sub find_by_path($) {	1672	sub find_by_path($) {
1259	my ($path) = @_;	1673	my ($path) = @_;
1260		1674
1261	my ($match, $specificity);	1675	my ($match, $specificity);
1262		1676
1263	for my $region (list) {	1677	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1267	}	1681	}
1268	}	1682	}
1269		1683
…		…
1290	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1292		1706
1293	sub generate_random_map {	1707	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1295	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1713	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1389	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1390	return $self;	1807	return $self;
1391	}	1808	}
1392	}	1809	}
1393		1810
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1812	()
1396	}	1813	}
1397		1814
1398	sub init {	1815	sub init {
1399	my ($self) = @_;	1816	my ($self) = @_;
…		…
1421		1838
1422	# the temporary/swap location	1839	# the temporary/swap location
1423	sub save_path {	1840	sub save_path {
1424	my ($self) = @_;	1841	my ($self) = @_;
1425		1842
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1428	}	1845	}
1429		1846
1430	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1431	sub uniq_path {	1848	sub uniq_path {
1432	my ($self) = @_;	1849	my ($self) = @_;
1433		1850
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1436	}	1853	}
1437		1854
1438	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1439	# all maps in C++...	1856	# all maps in C++...
…		…
1462		1879
1463	sub load_header_from($) {	1880	sub load_header_from($) {
1464	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1465		1882
1466	utf8::encode $path;	1883	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1472		1892
1473	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1474		1894
1475	1	1895	1
1476	}	1896	}
…		…
1530	sub find {	1950	sub find {
1531	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1532		1952
1533	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1534		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1536		1957
1537	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1538	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1539	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1540	or return;	1963	or return;
1541		1964
1542	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1543		1966
…		…
1545	or return;	1968	or return;
1546		1969
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1550	$map->reset;	1975	$map->reset;
1551	undef $guard;
1552	return find $path;	1976	return find $path;
1553	}	1977	}
1554		1978
1555	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1556	}	1980	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1566		1990
1567	my $path = $self->{path};	1991	my $path = $self->{path};
1568		1992
1569	{	1993	{
1570	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1571		1995
		1996	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		1998
1574	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1575		2000
1576	$self->alloc;	2001	$self->alloc;
1577		2002
1578	$self->pre_load;	2003	$self->pre_load;
1579	Coro::cede;	2004	cf::cede_to_tick;
1580		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1582	or return;	2009	or return;
1583		2010
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1585	if delete $self->{load_original};	2012	if delete $self->{load_original};
1586		2013
1587	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2015	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2018	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1592	}	2022	}
1593	}	2023	}
1594		2024
1595	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1596	# now do the right thing for maps	2028	# now do the right thing for maps
1597	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2031	unless $self->difficulty;
1600	Coro::cede;	2032	cf::cede_to_tick;
1601		2033
1602	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2035	$self->decay_objects;
1604	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1605	$self->update_buttons;	2037	$self->update_buttons;
1606	Coro::cede;	2038	cf::cede_to_tick;
1607	$self->set_darkness_map;	2039	$self->set_darkness_map;
1608	Coro::cede;	2040	cf::cede_to_tick;
1609	$self->activate;	2041	$self->activate;
1610	}	2042	}
1611		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2048	}
1614		2049
1615	$self->post_load;	2050	$self->post_load;
1616	}	2051	}
1617		2052
…		…
1626		2061
1627	$self	2062	$self
1628	}	2063	}
1629		2064
1630	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2066	sub load_neighbours {
1632	my ($map) = @_;	2067	my ($map) = @_;
1633		2068
1634	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1635		2070
1636	for (0 .. 3) {	2071	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1638	or next;	2073	or next;
1639	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1640	or next;	2075	or next;
1641	$neigh->load;	2076	$neigh->load;
1642		2077
		2078	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2081	}
1646		2082
1647	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1649	or next;	2086	or next;
1650	$neigh->load;	2087	$neigh->load;
1651	}	2088	}
1652	}	2089	}
1653		2090
…		…
1658	}	2095	}
1659		2096
1660	sub do_load_sync {	2097	sub do_load_sync {
1661	my ($map) = @_;	2098	my ($map) = @_;
1662		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1663	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1664	}	2104	}
1665		2105
1666	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1668		2108
1669	sub find_async {	2109	sub find_async {
1670	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1671		2111
1672	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1673		2113
1674	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2116	}
1677		2117
1678	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1679	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1680	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2125	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2126	$map->load if $v;
		2127	}
1685		2128
1686	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1687	}	2130	}
1688	}	2131	}
1689	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1690	};	2133	};
1691	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2137	}
1695		2138
1696	sub save {	2139	sub save {
1697	my ($self) = @_;	2140	my ($self) = @_;
1698		2141
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2143
1701	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1702		2145
1703	return unless $self->dirty;	2146	return unless $self->dirty;
1704		2147
…		…
1710	return if $self->{deny_save};	2153	return if $self->{deny_save};
1711		2154
1712	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1713		2156
1714	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1716	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1717		2163
1718	if ($uniq) {	2164	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2167	} else {
…		…
1727	my ($self) = @_;	2173	my ($self) = @_;
1728		2174
1729	# save first because save cedes	2175	# save first because save cedes
1730	$self->save;	2176	$self->save;
1731		2177
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2179
1734	return if $self->players;	2180	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1736	return if $self->{deny_save};	2182	return if $self->{deny_save};
1737		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2188	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2189	}
1741		2190
1742	sub reset_at {	2191	sub reset_at {
1743	my ($self) = @_;	2192	my ($self) = @_;
1744		2193
…		…
1776	if $uniq;	2225	if $uniq;
1777	}	2226	}
1778		2227
1779	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1780		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2232	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2233
1785	$self->unlink_save;	2234	$self->unlink_save;
1786	$self->destroy;	2235	$self->destroy;
1787	}	2236	}
1788		2237
1789	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1790		2239
1791	sub nuke {	2240	sub nuke {
1792	my ($self) = @_;	2241	my ($self) = @_;
1793		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1794	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1795		2247
1796	$self->unlink_save;	2248	$self->unlink_save;
1797		2249
1798	bless $self, "cf::map";	2250	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2255
1804	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1805		2258
1806	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
1807	}	2260	}
1808		2261
1809	=item $maps = cf::map::tmp_maps	2262	=item $maps = cf::map::tmp_maps
…		…
1851		2304
1852	sub unique_maps() {	2305	sub unique_maps() {
1853	[	2306	[
1854	map {	2307	map {
1855	utf8::decode $_;	2308	utf8::decode $_;
1856	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
1857	? normalise $_	2312	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2314	]
1861	}	2315	}
1862		2316
1863	package cf;
1864
1865	=back	2317	=back
1866		2318
1867	=head3 cf::object	2319	=head3 cf::object
1868		2320
1869	=cut	2321	=cut
…		…
1872		2324
1873	=over 4	2325	=over 4
1874		2326
1875	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1876		2328
1877	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1878		2331
1879	=cut	2332	=cut
1880		2333
1881	sub inv_recursive_;	2334	sub inv_recursive_;
1882	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1885		2338
1886	sub inv_recursive {	2339	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1888	}	2341	}
1889		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1890	package cf;	2371	package cf;
1891		2372
1892	=back	2373	=back
1893		2374
1894	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1903		2384
1904	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1905		2400
1906	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2402	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1911		2406
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2408
1914	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1916	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1919	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1920	}	2434	}
1921		2435
1922	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1923		2437
1924	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1937		2451
1938	=item $player_object->enter_link	2452	=item $player_object->enter_link
1939		2453
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2455
1942	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1944		2460
1945	Will never block.	2461	Will never block.
1946		2462
1947	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1948		2464
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
2006		2522
2007	$map->load;	2523	$map->load;
2008	$map->load_diag;	2524	$map->load_neighbours;
2009		2525
2010	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2011	$self->activate_recursive;	2528	$self->activate_recursive;
2012		2529
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2015	}	2532	}
2016		2533
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2535
2019	Moves the player to the given map-path and coordinates by first freezing	2536	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2539	the new (success) or old (failed) map position. In either case, $done will
		2540	be called at the end of this process.
		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
2023		2544
2024	=cut	2545	=cut
2025		2546
2026	our $GOTOGEN;	2547	our $GOTOGEN;
2027		2548
2028	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2551
2031	# do generation counting so two concurrent goto's will be executed in-order	2552	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2554
2034	$self->enter_link;	2555	$self->enter_link;
2035		2556
2036	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
2037	my $map = eval {	2579	my $map = eval {
2038	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
2039		2581
2040	if ($map) {	2582	if ($map) {
2041	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
2043	} else {	2585	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2587	}
2046		2588
2047	$map	2589	$map
2048	};	2590	};
2049		2591
…		…
2054		2596
2055	if ($gen == $self->{_goto_generation}) {	2597	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2598	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
2058	}	2600	}
		2601
		2602	$done->() if $done;
2059	})->prio (1);	2603	})->prio (1);
2060	}	2604	}
2061		2605
2062	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
2063		2607
…		…
2083	}	2627	}
2084		2628
2085	sub prepare_random_map {	2629	sub prepare_random_map {
2086	my ($exit) = @_;	2630	my ($exit) = @_;
2087		2631
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2634	# that depends on the exit object
2093		2635
2094	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2638	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2101	}	2645	}
2102		2646
2103	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2104		2648
2105	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2108		2652
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2655	undef $fh;
2112	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2113		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2116	}	2664	}
2117	}	2665	}
2118		2666
2119	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2121		2669
2122	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2123		2671
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2672	$self->enter_link;
2136		2673
2137	(async {	2674	(async {
2138	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2139	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2140	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2141		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2142	1;	2698	1
2143	}) {	2699	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2704
2149	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2168		2724
2169	utf8::encode $text;	2725	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2727	}
2172		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/uptime" => {
		2777	id => "infobox",
		2778	title => "Uptime",
		2779	reply => undef,
		2780	tooltip => "How long the server has been running since last restart",
		2781	},
		2782	"c/mapinfo" => {
		2783	id => "infobox",
		2784	title => "Map Info",
		2785	reply => undef,
		2786	tooltip => "Information related to the maps",
		2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
		2794	);
		2795
		2796	sub cf::client::send_msg {
		2797	my ($self, $channel, $msg, $color, @extra) = @_;
		2798
		2799	$msg = $self->pl->expand_cfpod ($msg)
		2800	unless $color & cf::NDI_VERBATIM;
		2801
		2802	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2803
		2804	# check predefined channels, for the benefit of C
		2805	if ($CHANNEL{$channel}) {
		2806	$channel = $CHANNEL{$channel};
		2807
		2808	$self->ext_msg (channel_info => $channel)
		2809	if $self->can_msg;
		2810
		2811	$channel = $channel->{id};
		2812
		2813	} elsif (ref $channel) {
		2814	# send meta info to client, if not yet sent
		2815	unless (exists $self->{channel}{$channel->{id}}) {
		2816	$self->{channel}{$channel->{id}} = $channel;
		2817	$self->ext_msg (channel_info => $channel)
		2818	if $self->can_msg;
		2819	}
		2820
		2821	$channel = $channel->{id};
		2822	}
		2823
		2824	return unless @extra || length $msg;
		2825
		2826	if ($self->can_msg) {
		2827	# default colour, mask it out
		2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2829	if $color & cf::NDI_DEF;
		2830
		2831	my $pkt = "msg "
		2832	. $self->{json_coder}->encode (
		2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2834	);
		2835
		2836	# try lzf for large packets
		2837	$pkt = "lzf " . Compress::LZF::compress $pkt
		2838	if 1024 <= length $pkt and $self->{can_lzf};
		2839
		2840	# split very large packets
		2841	if (8192 < length $pkt and $self->{can_lzf}) {
		2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2843	$pkt = "frag";
		2844	}
		2845
		2846	$self->send_packet ($pkt);
		2847	} else {
		2848	if ($color >= 0) {
		2849	# replace some tags by gcfclient-compatible ones
		2850	for ($msg) {
		2851	1 while
		2852	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2853	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2854	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2855	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2856	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2857	}
		2858
		2859	$color &= cf::NDI_COLOR_MASK;
		2860
		2861	utf8::encode $msg;
		2862
		2863	if (0 && $msg =~ /\[/) {
		2864	# COMMAND/INFO
		2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2866	} else {
		2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2868	$self->send_packet ("drawinfo $color $msg")
		2869	}
		2870	}
		2871	}
		2872	}
		2873
2173	=item $client->ext_event ($type, %msg)	2874	=item $client->ext_msg ($type, @msg)
2174		2875
2175	Sends an exti event to the client.	2876	Sends an ext event to the client.
2176		2877
2177	=cut	2878	=cut
2178		2879
2179	sub cf::client::ext_event($$%) {	2880	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2881	my ($self, $type, @msg) = @_;
2181		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2885	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2886	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2887	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2888	}
		2889	}
		2890
		2891	=item $client->ext_reply ($msgid, @msg)
		2892
		2893	Sends an ext reply to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_reply($$@) {
		2898	my ($self, $id, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2902	} elsif ($self->extcmd == 1) {
		2903	#TODO: version 1, remove
		2904	unshift @msg, msgtype => "reply", msgid => $id;
		2905	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2906	}
2184	}	2907	}
2185		2908
2186	=item $success = $client->query ($flags, "text", \&cb)	2909	=item $success = $client->query ($flags, "text", \&cb)
2187		2910
2188	Queues a query to the client, calling the given callback with	2911	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2914
2192	Queries can fail, so check the return code. Or don't, as queries will become	2915	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2916	become reliable at some point in the future.
2194		2917
2195	=cut	2918	=cut
2196		2919
2197	sub cf::client::query {	2920	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2921	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2929	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2931
2209	$self->send_packet ($self->{query_queue}[0][0])	2932	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2933	if @{ $self->{query_queue} } == 1;
		2934
		2935	1
2211	}	2936	}
2212		2937
2213	cf::client->attach (	2938	cf::client->attach (
		2939	on_connect => sub {
		2940	my ($ns) = @_;
		2941
		2942	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2943	},
2214	on_reply => sub {	2944	on_reply => sub {
2215	my ($ns, $msg) = @_;	2945	my ($ns, $msg) = @_;
2216		2946
2217	# this weird shuffling is so that direct followup queries	2947	# this weird shuffling is so that direct followup queries
2218	# get handled first	2948	# get handled first
…		…
2230	} else {	2960	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2961	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2962	}
2233	}	2963	}
2234	},	2964	},
		2965	on_exticmd => sub {
		2966	my ($ns, $buf) = @_;
		2967
		2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2969
		2970	if (ref $msg) {
		2971	my ($type, $reply, @payload) =
		2972	"ARRAY" eq ref $msg
		2973	? @$msg
		2974	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2975
		2976	my @reply;
		2977
		2978	if (my $cb = $EXTICMD{$type}) {
		2979	@reply = $cb->($ns, @payload);
		2980	}
		2981
		2982	$ns->ext_reply ($reply, @reply)
		2983	if $reply;
		2984
		2985	} else {
		2986	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2987	}
		2988
		2989	cf::override;
		2990	},
2235	);	2991	);
2236		2992
2237	=item $client->async (\&cb)	2993	=item $client->async (\&cb)
2238		2994
2239	Create a new coroutine, running the specified callback. The coroutine will	2995	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3036	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3037	our $safe_hole = new Safe::Hole;
2282		3038
2283	$SIG{FPE} = 'IGNORE';	3039	$SIG{FPE} = 'IGNORE';
2284		3040
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3041	$safe->permit_only (Opcode::opset qw(
		3042	:base_core :base_mem :base_orig :base_math
		3043	grepstart grepwhile mapstart mapwhile
		3044	sort time
		3045	));
2286		3046
2287	# here we export the classes and methods available to script code	3047	# here we export the classes and methods available to script code
2288		3048
2289	=pod	3049	=pod
2290		3050
2291	The following functions and methods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2292		3052
2293	cf::object contr pay_amount pay_player map	3053	cf::object
		3054	contr pay_amount pay_player map x y force_find force_add destroy
		3055	insert remove name archname title slaying race decrease split
		3056
2294	cf::object::player player	3057	cf::object::player
2295	cf::player peaceful	3058	player
2296	cf::map trigger	3059
		3060	cf::player
		3061	peaceful
		3062
		3063	cf::map
		3064	trigger
2297		3065
2298	=cut	3066	=cut
2299		3067
2300	for (	3068	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3070	insert remove inv nrof name archname title slaying race
		3071	decrease split destroy change_exp)],
2302	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2305	) {	3075	) {
2306	no strict 'refs';	3076	no strict 'refs';
…		…
2377	=back	3147	=back
2378		3148
2379	=cut	3149	=cut
2380		3150
2381	#############################################################################	3151	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3152	# the server's init and main functions
2555		3153
2556	sub load_facedata($) {	3154	sub load_facedata($) {
2557	my ($path) = @_;	3155	my ($path) = @_;
		3156
		3157	# HACK to clear player env face cache, we need some signal framework
		3158	# for this (global event?)
		3159	%ext::player_env::MUSIC_FACE_CACHE = ();
		3160
		3161	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3162
2559	warn "loading facedata from $path\n";	3163	warn "loading facedata from $path\n";
2560		3164
2561	my $facedata;	3165	my $facedata;
2562	0 < aio_load $path, $facedata	3166	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3169	$facedata = Coro::Storable::thaw $facedata;
2566		3170
2567	$facedata->{version} == 2	3171	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3172	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3173
		3174	# patch in the exptable
		3175	$facedata->{resource}{"res/exp_table"} = {
		3176	type => FT_RSRC,
		3177	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3178	};
		3179	cf::cede_to_tick;
		3180
2570	{	3181	{
2571	my $faces = $facedata->{faceinfo};	3182	my $faces = $facedata->{faceinfo};
2572		3183
2573	while (my ($face, $info) = each %$faces) {	3184	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3186
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3187	cf::face::set_visibility $idx, $info->{visibility};
		3188	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3191
		3192	cf::cede_to_tick;
2579	}	3193	}
2580		3194
2581	while (my ($face, $info) = each %$faces) {	3195	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3196	next unless $info->{smooth};
		3197
2583	my $idx = cf::face::find $face	3198	my $idx = cf::face::find $face
2584	or next;	3199	or next;
		3200
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3201	if (my $smooth = cf::face::find $info->{smooth}) {
		3202	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3204	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3206	}
2590	Coro::cede;	3207
		3208	cf::cede_to_tick;
2591	}	3209	}
2592	}	3210	}
2593		3211
2594	{	3212	{
2595	my $anims = $facedata->{animinfo};	3213	my $anims = $facedata->{animinfo};
2596		3214
2597	while (my ($anim, $info) = each %$anims) {	3215	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3216	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3217	cf::cede_to_tick;
2600	}	3218	}
2601		3219
2602	cf::anim::invalidate_all; # d'oh	3220	cf::anim::invalidate_all; # d'oh
2603	}	3221	}
2604		3222
		3223	{
		3224	# TODO: for gcfclient pleasure, we should give resources
		3225	# that gcfclient doesn't grok a >10000 face index.
		3226	my $res = $facedata->{resource};
		3227
		3228	while (my ($name, $info) = each %$res) {
		3229	if (defined $info->{type}) {
		3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3231	my $data;
		3232
		3233	if ($info->{type} & 1) {
		3234	# prepend meta info
		3235
		3236	my $meta = $enc->encode ({
		3237	name => $name,
		3238	%{ $info->{meta} || {} },
		3239	});
		3240
		3241	$data = pack "(w/a*)*", $meta, $info->{data};
		3242	} else {
		3243	$data = $info->{data};
		3244	}
		3245
		3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3247	cf::face::set_type $idx, $info->{type};
		3248	} else {
		3249	$RESOURCE{$name} = $info;
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3257
2605	1	3258	1
2606	}	3259	}
2607		3260
		3261	cf::global->attach (on_resource_update => sub {
		3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3264
		3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3266	my $sound = $soundconf->{compat}[$_]
		3267	or next;
		3268
		3269	my $face = cf::face::find "sound/$sound->[1]";
		3270	cf::sound::set $sound->[0] => $face;
		3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3272	}
		3273
		3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3275	my $face = cf::face::find "sound/$v";
		3276	cf::sound::set $k => $face;
		3277	}
		3278	}
		3279	});
		3280
		3281	register_exticmd fx_want => sub {
		3282	my ($ns, $want) = @_;
		3283
		3284	while (my ($k, $v) = each %$want) {
		3285	$ns->fx_want ($k, $v);
		3286	}
		3287	};
		3288
		3289	sub load_resource_file($) {
		3290	my $guard = lock_acquire "load_resource_file";
		3291
		3292	my $status = load_resource_file_ $_[0];
		3293	get_slot 0.1, 100;
		3294	cf::arch::commit_load;
		3295
		3296	$status
		3297	}
		3298
2608	sub reload_regions {	3299	sub reload_regions {
		3300	# HACK to clear player env face cache, we need some signal framework
		3301	# for this (global event?)
		3302	%ext::player_env::MUSIC_FACE_CACHE = ();
		3303
2609	load_resource_file "$MAPDIR/regions"	3304	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3305	or die "unable to load regions file\n";
		3306
		3307	for (cf::region::list) {
		3308	$_->{match} = qr/$_->{match}/
		3309	if exists $_->{match};
		3310	}
2611	}	3311	}
2612		3312
2613	sub reload_facedata {	3313	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3314	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3315	or die "unable to load facedata\n";
…		…
2626	}	3326	}
2627		3327
2628	sub reload_resources {	3328	sub reload_resources {
2629	warn "reloading resource files...\n";	3329	warn "reloading resource files...\n";
2630		3330
		3331	reload_facedata;
		3332	reload_archetypes;
2631	reload_regions;	3333	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3334	reload_treasures;
2636		3335
2637	warn "finished reloading resource files\n";	3336	warn "finished reloading resource files\n";
2638	}	3337	}
2639		3338
2640	sub init {	3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
2641	reload_resources;	3344	reload_resources;
2642	}	3345	}
2643		3346
2644	sub cfg_load {	3347	sub reload_config {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3349	or return;
2647		3350
2648	local $/;	3351	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2650		3353
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3355
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2660	};	3363	};
2661	warn $@ if $@;	3364	warn $@ if $@;
2662	}	3365	}
2663	}	3366	}
2664		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2665	sub main {	3387	sub main {
		3388	atomic;
		3389
2666	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3393	(async {
2670	Event::one_event;	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3395	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
2672	};	3397	};
2673		3398
2674	cfg_load;	3399	{
		3400	my $guard = freeze_mainloop;
		3401	reload_config;
2675	db_init;	3402	db_init;
2676	load_extensions;	3403	load_extensions;
2677		3404
2678	$TICK_WATCHER->start;	3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3406	}
		3407
		3408	utime time, time, $RUNTIMEFILE;
		3409
		3410	# no (long-running) fork's whatsoever before this point(!)
		3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3412
2679	Event::loop;	3413	EV::loop;
2680	}	3414	}
2681		3415
2682	#############################################################################	3416	#############################################################################
2683	# initialisation and cleanup	3417	# initialisation and cleanup
2684		3418
2685	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
2686	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
2695	},
2696	);	3425	};
		3426	}
		3427	}
		3428
		3429	sub write_runtime_sync {
		3430	# first touch the runtime file to show we are still running:
		3431	# the fsync below can take a very very long time.
		3432
		3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3434
		3435	my $guard = cf::lock_acquire "write_runtime";
		3436
		3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3438	or return;
		3439
		3440	my $value = $cf::RUNTIME + 90 + 10;
		3441	# 10 is the runtime save interval, for a monotonic clock
		3442	# 60 allows for the watchdog to kill the server.
		3443
		3444	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3445	and return;
		3446
		3447	# always fsync - this file is important
		3448	aio_fsync $fh
		3449	and return;
		3450
		3451	# touch it again to show we are up-to-date
		3452	aio_utime $fh, undef, undef;
		3453
		3454	close $fh
		3455	or return;
		3456
		3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3458	and return;
		3459
		3460	warn "runtime file written.\n";
		3461
2697	}	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2698	}	3506	}
2699		3507
2700	sub emergency_save() {	3508	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2702		3510
…		…
2708	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3522	$pl->save;
2714	}	3523	}
2715	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2716		3525
2717	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2723	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
2724		3533
2725	warn "begin emergency database checkpoint\n";	3534	warn "begin emergency database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3535	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2728	};	3541	};
2729		3542
2730	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2731	}	3544	}
2732		3545
2733	sub post_cleanup {	3546	sub post_cleanup {
2734	my ($make_core) = @_;	3547	my ($make_core) = @_;
2735		3548
2736	warn Carp::longmess "post_cleanup backtrace"	3549	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3550	if $make_core;
		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
2738	}	3554	}
		3555
		3556	# a safer delete_package, copied from Symbol
		3557	sub clear_package($) {
		3558	my $pkg = shift;
		3559
		3560	# expand to full symbol table name if needed
		3561	unless ($pkg =~ /^main::.*::$/) {
		3562	$pkg = "main$pkg" if $pkg =~ /^::/;
		3563	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3564	$pkg .= '::' unless $pkg =~ /::$/;
		3565	}
		3566
		3567	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3568	my $stem_symtab = *{$stem}{HASH};
		3569
		3570	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3571	or return;
		3572
		3573	# clear all symbols
		3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3575	for my $name (keys %$leaf_symtab) {
		3576	_gv_clear *{"$pkg$name"};
		3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3578	}
		3579	warn "cleared package #$pkg\n";#d#
		3580	}
		3581
		3582	our $RELOAD; # how many times to reload
2739		3583
2740	sub do_reload_perl() {	3584	sub do_reload_perl() {
2741	# can/must only be called in main	3585	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2743	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2744	return;	3588	return;
2745	}	3589	}
2746		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
2747	warn "reloading...";	3594	warn "reloading...";
2748		3595
2749	warn "entering sync_job";	3596	warn "entering sync_job";
2750		3597
2751	cf::sync_job {	3598	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3599	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3600	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3601	cf::write_runtime_sync; # external watchdog should not bark
2755		3602
2756	warn "syncing database to disk";	3603	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3605
2759	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
2760		3607
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3609	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3611	}
2797		3612
2798	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
2800	}	3615	%EXT_CORO = ();
2801		3616
2802	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3626	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3627
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
2813	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
2814	}	3637	}
2815		3638
2816	Symbol::delete_package $k;	3639	warn "unloading all perl modules loaded from $LIBDIR";
		3640	while (my ($k, $v) = each %INC) {
		3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3642
		3643	warn "... unloading $k";
		3644	delete $INC{$k};
		3645
		3646	$k =~ s/\.pm$//;
		3647	$k =~ s/\//::/g;
		3648
		3649	if (my $cb = $k->can ("unload_module")) {
		3650	$cb->();
		3651	}
		3652
		3653	clear_package $k;
2817	}	3654	}
2818		3655
2819	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3659
2823	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3662	delete $INC{"cf/pod.pm"};
2826		3663
2827	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3665	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
2830		3667
2831	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
2832		3669
2833	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
2834	require cf;	3671	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3673
2837	warn "loading config and database again";	3674	warn "loading config and database again";
2838	cf::cfg_load;	3675	cf::reload_config;
2839		3676
2840	warn "loading extensions";	3677	warn "loading extensions";
2841	cf::load_extensions;	3678	cf::load_extensions;
2842		3679
2843	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3681	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3684	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3685	reattach $_ for values %PLAYER;
2849		3686
2850	warn "leaving sync_job";	3687	warn "leaving sync_job";
2851		3688
2852	1	3689	1
2853	} or do {	3690	} or do {
2854	warn $@;	3691	warn $@;
2855	warn "error while reloading, exiting.";	3692	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3693	};
2858		3694
2859	warn "reloaded";	3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
2860	};	3698	};
2861		3699
2862	our $RELOAD_WATCHER; # used only during reload	3700	our $RELOAD_WATCHER; # used only during reload
2863		3701
2864	sub reload_perl() {	3702	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3703	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3704	# coro crashes during coro_state_free->destroy here.
2867		3705
2868	$RELOAD_WATCHER ||= Event->timer (	3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2869	reentrant => 0,
2870	after => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => sub {
2873	do_reload_perl;	3707	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3708	undef $RELOAD_WATCHER;
2875	},
2876	);	3709	};
2877	}	3710	}
2878		3711
2879	register_command "reload" => sub {	3712	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
2881		3714
2882	if ($who->flag (FLAG_WIZ)) {	3715	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3716	$who->message ("reloading server.");
		3717	async {
		3718	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3719	reload_perl;
		3720	};
2885	}	3721	}
2886	};	3722	};
2887		3723
2888	unshift @INC, $LIBDIR;	3724	unshift @INC, $LIBDIR;
2889		3725
…		…
2891		3727
2892	our @WAIT_FOR_TICK;	3728	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3729	our @WAIT_FOR_TICK_BEGIN;
2894		3730
2895	sub wait_for_tick {	3731	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3732	return if tick_inhibit || $Coro::current == $Coro::main;
2898		3733
2899	my $signal = new Coro::Signal;	3734	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3735	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3736	$signal->wait;
2902	}	3737	}
2903		3738
2904	sub wait_for_tick_begin {	3739	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3740	return if tick_inhibit || $Coro::current == $Coro::main;
2907		3741
2908	my $signal = new Coro::Signal;	3742	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3743	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3744	$signal->wait;
2911	}	3745	}
2912		3746
2913	my $min = 1e6;#d#	3747	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
2925	return;	3751	return;
2926	}	3752	}
2927		3753
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
2931		3755
2932	0 && sync_job {#d#	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3758	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3759	$Coro::current->{desc} = "runtime saver";
2936	or die;	3760	write_runtime_sync
2937		3761	or warn "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3762	};
		3763	}
2954		3764
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3766	$sig->send;
2971	}	3767	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3768	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3769	$sig->send;
2974	}	3770	}
2975		3771
2976	$NOW = Event::time;	3772	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3774
2987	_post_tick;	3775	if (0) {
2988		3776	if ($NEXT_TICK) {
2989		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
		3780	}
2990	},	3781	}
2991	);	3782	}
2992		3783
2993	{	3784	{
2994	BDB::max_poll_time $TICK * 0.1;	3785	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3786
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3787	BDB::min_parallel 8;
3004		3788	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3789	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3790
3020	unless ($DB_ENV) {	3791	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3792	$DB_ENV = BDB::db_env_create;
		3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3795	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3798
3023	cf::sync_job {	3799	cf::sync_job {
3024	eval {	3800	eval {
3025	BDB::db_env_open	3801	BDB::db_env_open
3026	$DB_ENV,	3802	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3806	0666;
3031		3807
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3809	};
3037		3810
3038	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3812	};
3040	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
3041	}	3824	}
3042		3825
3043	{	3826	{
		3827	# configure IO::AIO
		3828
3044	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3831	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3832	}
3057		3833
3058	my $_log_backtrace;	3834	my $_log_backtrace;
3059		3835
3060	sub _log_backtrace {	3836	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	3839	$msg =~ s/\n//;
3064		3840
3065	# limit the # of concurrent backtraces	3841	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3842	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
3068	async {	3845	async {
		3846	$Coro::current->{desc} = "abt $msg";
		3847
3069	my @bt = fork_call {	3848	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3849	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3850	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3851	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3852	or die "addr2line: $!";
…		…
3081	}	3860	}
3082		3861
3083	@funcs	3862	@funcs
3084	};	3863	};
3085		3864
3086	LOG llevInfo, "[ABT] $msg\n";	3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	3867	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	3868	--$_log_backtrace;
3089	};	3869	};
3090	} else {	3870	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $msg\n";

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