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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.569 by root, Wed May 4 07:36:40 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		145
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
98		155
99	binmode STDOUT;	156	binmode STDOUT;
100	binmode STDERR;	157	binmode STDERR;
101		158
102	# read virtual server time, if available	159	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
107	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
108		167
109	mkdir $_	168	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		170
112	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
113		172
114	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		189
116	#############################################################################	190	#############################################################################
117		191
118	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
119		193
…		…
155		229
156	The raw value load value from the last tick.	230	The raw value load value from the last tick.
157		231
158	=item %cf::CFG	232	=item %cf::CFG
159		233
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	235	from wherever your confdir points to.
162		236
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		238
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
169	=back	260	=back
170		261
171	=cut	262	=cut
172		263
173	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	271	my $msg = join "", @_;
176		272
177	$msg .= "\n"	273	$msg .= "\n"
178	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
179		275
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		277
182	utf8::encode $msg;
183	LOG llevError, $msg;	278	LOG llevWarn, $msg;
184	};	279	};
185	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
186		294
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	305	for my $pkg (qw(
198	cf::global cf::attachable	306	cf::global cf::attachable
199	cf::object cf::object::player	307	cf::object cf::object::player
200	cf::client cf::player	308	cf::client cf::player
201	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
202	cf::map cf::party cf::region	311	cf::party cf::region
203	)) {	312	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	314	}
207		315
208	$Event::DIED = sub {	316	$EV::DIED = sub {
209	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
210	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
211		324
212	#############################################################################	325	#############################################################################
213		326
214	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
215		328
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	350	$d
238	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
239	}	352	}
240		353
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
242		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
243	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
244		369
245	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
246		371
247	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
248		373
249	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
250		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
251	=item cf::lock_wait $string	445	=item cf::lock_wait $string
252		446
253	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
254		448
255	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
256		450
257	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
260	returned.	454	returned.
261		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
262	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
264		461
265	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
266		463
267	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
268		465
269	=cut	466	=cut
270		467
271	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
272		469
273	sub lock_wait($) {	470	sub lock_wait($) {
274	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	472	}
282		473
283	sub lock_acquire($) {	474	sub lock_acquire($) {
284	my ($key) = @_;	475	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	476	}
296		477
297	sub lock_active($) {	478	sub lock_active($) {
298	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	480	}
302		481
303	sub freeze_mainloop {	482	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
305		484
306	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
308	};	556	}
309	$TICK_WATCHER->stop;	557	};
310	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
311	}	572	}
312		573
313	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
314		575
315	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		581
321	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
322		583
323	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
324		585
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	589	acceptable.
329		590
330	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	596	=cut
336		597
337	sub sync_job(&) {	598	sub sync_job(&) {
338	my ($job) = @_;	599	my ($job) = @_;
339		600
340	if ($Coro::current == $Coro::main) {	601	if (in_main) {
341	my $time = Event::time;	602	my $time = AE::time;
342		603
343	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
345		606
346	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	608
348	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
349		610
350	my $busy = 1;	611	my $busy = 1;
351	my @res;	612	my @res;
352		613
353	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	616	@res = eval { $job->() };
355	warn $@ if $@;	617	error $@ if $@;
356	undef $busy;	618	undef $busy;
357	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
358		620
359	while ($busy) {	621	while ($busy) {
360	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
361	}	626	}
		627	}
362		628
363	$time = Event::time - $time;	629	my $time = AE::time - $time;
364		630
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
369		632
370	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
371	} else {	634	} else {
372	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
373		636
…		…
393	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
394		657
395	$coro	658	$coro
396	}	659	}
397		660
398	=item fork_call { }, $args	661	=item fork_call { }, @args
399		662
400	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
404		667
405	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
406		673
407	sub fork_call(&@) {	674	sub fork_call(&@) {
408	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
409		676
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	677	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	678	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	679	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		680
415	if (my $pid = fork) {	681	my @res = Coro::Util::fork_eval {
416	close $fh2;	682	cf::post_fork;
		683	&$cb
		684	} @args;
417		685
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	686	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	687	}
420		688
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	689	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
440	}	725	}
441		726
442	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
443		728
444	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
447		732
448	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
451	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
452		762
453	our $DB;	763	our $DB;
454		764
455	sub db_init {	765	sub db_init {
456	unless ($DB) {	766	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	767	}
471		768
472	sub db_get($$) {	769	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
474		771
475	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
476	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
477		776
478	$! ? ()	777	$! ? ()
479	: $data	778	: $data
480	}
481	}	779	}
482		780
483	sub db_put($$$) {	781	sub db_put($$$) {
484	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		811
514	my @data;	812	my @data;
515	my $md5;	813	my $md5;
516		814
517	for (0 .. $#$src) {	815	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	817	}
521		818
522	# if processing is expensive, check	819	# if processing is expensive, check
523	# checksum first	820	# checksum first
524	if (1) {	821	if (1) {
525	$md5 =	822	$md5 =
526	join "\x00",	823	join "\x00",
527	$processversion,	824	$processversion,
528	map {	825	map {
529	Coro::cede;	826	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	828	} 0.. $#$src;
532		829
533		830
534	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		838
542	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	840	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
545		842
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		844
548	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
551		848
…		…
561		858
562	=cut	859	=cut
563		860
564	sub datalog($@) {	861	sub datalog($@) {
565	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	864	}
568		865
569	=back	866	=back
570		867
571	=cut	868	=cut
572		869
573	#############################################################################	870	#############################################################################
574		871
575	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
576		873
577	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
580		877
581	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	880	Deliantra).
584		881
585	=over 4	882	=over 4
586		883
587	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
588		885
…		…
632	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
633		930
634	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
636		933
637	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
639		936
640	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
641		938
642	=over 4	939	=over 4
…		…
766		1063
767	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1066
770	} elsif (ref $type) {	1067	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
772		1069
773	} else {	1070	} else {
774	shift @arg;	1071	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
776	}	1073	}
777	}	1074	}
778	}	1075	}
779		1076
780	sub _object_attach {	1077	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
791	}	1088	}
792		1089
793	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
794	} else {	1091	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1093	}
797		1094
798	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
799	}	1096	}
800		1097
…		…
840	";	1137	";
841	die if $@;	1138	die if $@;
842	}	1139	}
843		1140
844	our $override;	1141	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1143
847	sub override {	1144	sub override {
848	$override = 1;	1145	$override = 1;
849	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
850	}	1147	}
851		1148
852	sub do_invoke {	1149	sub do_invoke {
853	my $event = shift;	1150	my $event = shift;
854	my $callbacks = shift;	1151	my $callbacks = shift;
855		1152
856	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
857		1154
858	local $override;	1155	local $override;
859		1156
860	for (@$callbacks) {	1157	for (@$callbacks) {
861	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
862		1159
863	if ($@) {	1160	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1162	override;
867	}	1163	}
868		1164
869	return 1 if $override;	1165	return 1 if $override;
870	}	1166	}
871		1167
872	0	1168	0
873	}	1169	}
874		1170
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1172
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1174
879	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
880		1176
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1180
885	=back	1181	=back
886		1182
887	=cut	1183	=cut
888		1184
889	#############################################################################	1185	#############################################################################
890	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
891		1229
892	sub reattach {	1230	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1232	my ($obj) = @_;
895		1233
		1234	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1236
898	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
899		1238
900	@$registry = ();	1239	@$registry = ();
901		1240
…		…
906	for (@$attach) {	1245	for (@$attach) {
907	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
909	}	1248	}
910	} else {	1249	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1251	}
913	}	1252	}
914	}	1253	}
915		1254
916	cf::attachable->attach (	1255	cf::attachable->attach (
917	prio => -1000000,	1256	prio => -1000000,
918	on_instantiate => sub {	1257	on_instantiate => sub {
919	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
920		1259
921	$data = from_json $data;	1260	$data = decode_json $data;
922		1261
923	for (@$data) {	1262	for (@$data) {
924	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
925		1264
926	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1281	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
944		1283
945	sync_job {	1284	sync_job {
946	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
949		1290
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
954	close $fh;	1298	aio_close $fh;
955		1299
956	if (@$objs) {	1300	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
962	close $fh;	1309	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
964	}	1311	}
965	} else {	1312	} else {
966	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
967	}	1314	}
968		1315
969	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1320	} else {
971	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
972	}	1322	}
973	} else {	1323	} else {
974	aio_unlink $filename;	1324	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
976	}	1326	}
977	}	1327	};
978	}	1328	}
979		1329
980	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
982		1332
…		…
994	or return;	1344	or return;
995		1345
996	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
998	or return;	1348	or return;
		1349
999	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1000	}	1352	}
1001		1353
		1354	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1004	return ($data, $av);	1359	($data, $av)
1005	}	1360	}
1006		1361
1007	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1008		1363
1009	=over 4	1364	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1385	}
1031		1386
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1388
1034	Register a callback fro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
1035		1394
1036	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
1037	called.	1396	called.
1038		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
1039	=cut	1409	=cut
1040		1410
1041	sub register_extcmd {	1411	sub register_extcmd {
1042	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
1043		1413
1044	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
1045	}	1415	}
1046		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
1047	cf::player->attach (	1425	cf::player->attach (
1048	on_command => sub {	1426	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1050		1428
1051	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1052	or return;	1430	or return;
1053		1431
…		…
1058	cf::override;	1436	cf::override;
1059	},	1437	},
1060	on_extcmd => sub {	1438	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
1062		1440
1063	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1442
1065	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1071	} else {	1458	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1460	}
1074		1461
1075	cf::override;	1462	cf::override;
1076	},	1463	},
1077	);	1464	);
1078		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1079	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1080	cf::sync_job {	1482	cf::sync_job {
1081	my %todo;	1483	my %todo;
1082		1484
1083	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1486	next unless -r $path;
…		…
1102		1504
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1507
1106	$ext{source} =	1508	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1109	. $source	1511	. $source
1110	. "\n};\n1";	1512	. "\n};\n1";
1111		1513
1112	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1113	}	1515	}
1114		1516
		1517	my $pass = 0;
1115	my %done;	1518	my %done;
1116	while (%todo) {	1519	while (%todo) {
1117	my $progress;	1520	my $progress;
1118		1521
		1522	++$pass;
		1523
		1524	ext:
1119	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1527	next ext
1122	unless exists $done{$_};	1528	unless exists $done{$_};
1123	}	1529	}
1124		1530
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1532
1127	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1132	warn $msg;	1540
1133	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1542	delete $todo{$k};
1135	}	1543	} else {
1136		1544	$done{$k} = delete $todo{$k};
1137	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1138	}	1550	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1551	}
1144		1552
1145	skip:	1553	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1148	}	1563	}
1149	};	1564	};
1150	}	1565	}
1151		1566
1152	#############################################################################	1567	#############################################################################
1153		1568
1154	=back	1569	=back
1155		1570
1156	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1157		1572
1158	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1159		1574
1160	=cut	1575	=cut
1161		1576
1162	package cf::player;	1577	package cf::player;
1163		1578
1164	use Coro::AIO;	1579	use Coro::AIO;
1165		1580
1166	=head3 cf::player	1581	=head3 cf::player
1167		1582
1168	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
1169		1598
1170	=item cf::player::find $login	1599	=item cf::player::find $login
1171		1600
1172	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1173		1602
…		…
1192		1621
1193	sub exists($) {	1622	sub exists($) {
1194	my ($login) = @_;	1623	my ($login) = @_;
1195		1624
1196	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1198	}	1627	}
1199		1628
1200	sub find($) {	1629	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1631	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1642
1214	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1217	}	1652	}
1218	}	1653	}
1219	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1220		1668
1221	sub save($) {	1669	sub save($) {
1222	my ($pl) = @_;	1670	my ($pl) = @_;
1223		1671
1224	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1230		1678
1231	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1233		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1234	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1235	Coro::cede;	1688	cf::cede_to_tick;
1236	}	1689	}
1237		1690
1238	sub new($) {	1691	sub new($) {
1239	my ($login) = @_;	1692	my ($login) = @_;
1240		1693
…		…
1246	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1247		1700
1248	$self	1701	$self
1249	}	1702	}
1250		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1251	=item $pl->quit_character	1714	=item $pl->quit_character
1252		1715
1253	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1255		1718
…		…
1259	my ($pl) = @_;	1722	my ($pl) = @_;
1260		1723
1261	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1262		1725
1263	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1728
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1269	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1270		1737
1271	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1308	or return [];	1775	or return [];
1309		1776
1310	my @logins;	1777	my @logins;
1311		1778
1312	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1316		1789
1317	utf8::decode $login;	1790	utf8::decode $login;
1318	push @logins, $login;	1791	push @logins, $login;
1319	}	1792	}
1320		1793
1321	\@logins	1794	\@logins
1322	}	1795	}
1323		1796
1324	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1325		1800
1326	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1327	player. May block.	1802	player. May block.
1328		1803
1329	=cut	1804	=cut
…		…
1347	}	1822	}
1348		1823
1349	\@paths	1824	\@paths
1350	}	1825	}
1351		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1352	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1353		1832
1354	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1355		1834
1356	=cut	1835	=cut
1357		1836
1358	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1360		1839
1361	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1841	}
1365		1842
1366	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1367		1844
1368	Sends an ext event to the client.	1845	Sends an ext event to the client.
1369		1846
1370	=cut	1847	=cut
1371		1848
1372	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1374		1851
1375	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1376	}	1853	}
1377		1854
1378	=head3 cf::region	1855	=head3 cf::region
1379		1856
1380	=over 4	1857	=over 4
…		…
1390	=cut	1867	=cut
1391		1868
1392	sub find_by_path($) {	1869	sub find_by_path($) {
1393	my ($path) = @_;	1870	my ($path) = @_;
1394		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1395	my ($match, $specificity);	1874	my ($match, $specificity);
1396		1875
1397	for my $region (list) {	1876	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1401	}	1880	}
1402	}	1881	}
1403		1882
…		…
1424	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1426		1905
1427	sub generate_random_map {	1906	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1430	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	1912	}
1444		1913
1445	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1446		1915
1447	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1452		1921
1453	sub register {	1922	sub register {
1454	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1924	my $pkg = caller;
1456		1925
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1927
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1929	}
1462		1930
1463	# also paths starting with '/'	1931	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1933
1466	sub thawer_merge {	1934	sub thawer_merge {
1467	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1468		1936
1469	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1474	}	1942	}
1475		1943
1476	sub normalise {	1944	sub normalise {
1477	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1478		1946
1479	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1480		1948
1481	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1482		1950
1483	# map plan:	1951	# map plan:
1484	#	1952	#
…		…
1499	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	1968	$path = "$base/$path";
1501	}	1969	}
1502		1970
1503	for ($path) {	1971	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1507	}	1974	}
1508		1975
1509	$path	1976	$path
…		…
1523	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1524	return $self;	1991	return $self;
1525	}	1992	}
1526	}	1993	}
1527		1994
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	1996	()
1530	}	1997	}
1531		1998
		1999	# may re-bless or do other evil things
1532	sub init {	2000	sub init {
1533	my ($self) = @_;	2001	my ($self) = @_;
1534		2002
1535	$self	2003	$self
1536	}	2004	}
…		…
1555		2023
1556	# the temporary/swap location	2024	# the temporary/swap location
1557	sub save_path {	2025	sub save_path {
1558	my ($self) = @_;	2026	my ($self) = @_;
1559		2027
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1562	}	2030	}
1563		2031
1564	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1565	sub uniq_path {	2033	sub uniq_path {
1566	my ($self) = @_;	2034	my ($self) = @_;
1567		2035
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2038	}
1580		2039
1581	sub decay_objects {	2040	sub decay_objects {
1582	my ($self) = @_;	2041	my ($self) = @_;
1583		2042
…		…
1596		2055
1597	sub load_header_from($) {	2056	sub load_header_from($) {
1598	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1599		2058
1600	utf8::encode $path;	2059	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2061	or return;
1606		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1607	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1608		2070
1609	1	2071	1
1610	}	2072	}
1611		2073
		2074	# used to laod the header of an original map
1612	sub load_header_orig {	2075	sub load_header_orig {
1613	my ($self) = @_;	2076	my ($self) = @_;
1614		2077
1615	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1616	}	2079	}
1617		2080
		2081	# used to laod the header of an instantiated map
1618	sub load_header_temp {	2082	sub load_header_temp {
1619	my ($self) = @_;	2083	my ($self) = @_;
1620		2084
1621	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1622	}	2086	}
1623		2087
		2088	# called after loading the header from an instantiated map
1624	sub prepare_temp {	2089	sub prepare_temp {
1625	my ($self) = @_;	2090	my ($self) = @_;
1626		2091
1627	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1628	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1629	# safety	2094	# safety
1630	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1631	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1632	}	2097	}
1633		2098
		2099	# called after loading the header from an original map
1634	sub prepare_orig {	2100	sub prepare_orig {
1635	my ($self) = @_;	2101	my ($self) = @_;
1636		2102
1637	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1638	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1662		2128
1663	sub find;	2129	sub find;
1664	sub find {	2130	sub find {
1665	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1666		2132
		2133	cf::cede_to_tick;
		2134
1667	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1668		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2139
1671	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1674	or return;	2142	or return;
1675		2143
1676	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1677		2145
…		…
1679	or return;	2147	or return;
1680		2148
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1684	$map->reset;	2154	$map->reset;
1685	undef $guard;
1686	return find $path;	2155	return find $path;
1687	}	2156	}
1688		2157
1689	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1690	}	2159	}
1691	}	2160	}
1692		2161
1693	sub pre_load { }	2162	sub pre_load { }
1694	sub post_load { }	2163	#sub post_load { } # XS
1695		2164
1696	sub load {	2165	sub load {
1697	my ($self) = @_;	2166	my ($self) = @_;
1698		2167
1699	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1700		2169
1701	my $path = $self->{path};	2170	my $path = $self->{path};
1702		2171
1703	{	2172	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1705		2174
		2175	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1707
1708	$self->in_memory (cf::MAP_LOADING);
1709		2177
1710	$self->alloc;	2178	$self->alloc;
1711		2179
1712	$self->pre_load;	2180	$self->pre_load;
1713	Coro::cede;	2181	cf::cede_to_tick;
1714		2182
1715	$self->_load_objects ($self->{load_path}, 1)	2183	if (exists $self->{load_path}) {
		2184	my $f = new_from_file cf::object::thawer $self->{load_path};
		2185	$f->skip_block;
		2186	$self->_load_objects ($f)
1716	or return;	2187	or return;
1717		2188
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2189	$self->post_load_original
1719	if delete $self->{load_original};	2190	if delete $self->{load_original};
1720		2191
1721	if (my $uniq = $self->uniq_path) {	2192	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2193	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2194	unless (aio_stat $uniq) {
		2195	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2196	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2197	$self->_load_objects ($f);
		2198	$f->resolve_delayed_derefs;
		2199	}
		2200	}
1726	}	2201	}
1727	}
1728		2202
1729	Coro::cede;	2203	$f->resolve_delayed_derefs;
		2204	} else {
		2205	$self->post_load_original
		2206	if delete $self->{load_original};
		2207	}
		2208
		2209	$self->in_memory (cf::MAP_INACTIVE);
		2210
		2211	cf::cede_to_tick;
1730	# now do the right thing for maps	2212	# now do the right thing for maps
1731	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2215	unless $self->difficulty;
1734	Coro::cede;	2216	cf::cede_to_tick;
1735		2217
1736	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2219	$self->decay_objects;
1738	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1739	$self->update_buttons;	2221	$self->update_buttons;
1740	Coro::cede;	2222	cf::cede_to_tick;
1741	$self->set_darkness_map;	2223	#$self->activate; # no longer activate maps automatically
1742	Coro::cede;
1743	$self->activate;
1744	}	2224	}
1745		2225
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
1747	}	2228	}
1748		2229
1749	$self->post_load;	2230	$self->post_load;
1750	}
1751		2231
		2232	1
		2233	}
		2234
		2235	# customize the map for a given player, i.e.
		2236	# return the _real_ map. used by e.g. per-player
		2237	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2238	sub customise_for {
1753	my ($self, $ob) = @_;	2239	my ($self, $ob) = @_;
1754		2240
1755	return find "~" . $ob->name . "/" . $self->{path}	2241	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2242	if $self->per_player;
…		…
1760		2246
1761	$self	2247	$self
1762	}	2248	}
1763		2249
1764	# find and load all maps in the 3x3 area around a map	2250	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2251	sub load_neighbours {
1766	my ($map) = @_;	2252	my ($map) = @_;
1767		2253
1768	my @diag; # diagonal neighbours	2254	my @neigh; # diagonal neighbours
1769		2255
1770	for (0 .. 3) {	2256	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2257	my $neigh = $map->tile_path ($_)
1772	or next;	2258	or next;
1773	$neigh = find $neigh, $map	2259	$neigh = find $neigh, $map
1774	or next;	2260	or next;
1775	$neigh->load;	2261	$neigh->load;
1776		2262
		2263	# now find the diagonal neighbours
		2264	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2265	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2266	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2267	}
1780		2268
1781	for (@diag) {	2269	for (grep defined $_->[0], @neigh) {
		2270	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2271	my $neigh = find $path, $origin
1783	or next;	2272	or next;
1784	$neigh->load;	2273	$neigh->load;
1785	}	2274	}
1786	}	2275	}
1787		2276
1788	sub find_sync {	2277	sub find_sync {
1789	my ($path, $origin) = @_;	2278	my ($path, $origin) = @_;
1790		2279
1791	cf::sync_job { find $path, $origin }	2280	# it's a bug to call this from the main context
		2281	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2282	if $Coro::current == $Coro::main;
		2283
		2284	find $path, $origin
1792	}	2285	}
1793		2286
1794	sub do_load_sync {	2287	sub do_load_sync {
1795	my ($map) = @_;	2288	my ($map) = @_;
1796		2289
1797	cf::sync_job { $map->load };	2290	# it's a bug to call this from the main context
		2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1798	}	2295	}
1799		2296
1800	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1802		2299
1803	sub find_async {	2300	sub find_async {
1804	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1805		2302
1806	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1807		2304
1808	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->linkable;
1810	}	2307	}
1811		2308
1812	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1813	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1814	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2316	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2317	$map->load if $v;
		2318	}
1819		2319
1820	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1821	}	2321	}
1822	}	2322	}
1823	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1824	};	2324	};
1825	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1826		2326
1827	()	2327	()
1828	}	2328	}
1829		2329
		2330	# common code, used by both ->save and ->swapout
1830	sub save {	2331	sub _save {
1831	my ($self) = @_;	2332	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2333
1835	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1836		2335
1837	return unless $self->dirty;	2336	return unless $self->dirty;
1838		2337
…		…
1844	return if $self->{deny_save};	2343	return if $self->{deny_save};
1845		2344
1846	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1847		2346
1848	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1850	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1851		2353
1852	if ($uniq) {	2354	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2357	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2359	}
1858	}	2360	}
1859		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1860	sub swap_out {	2370	sub swap_out {
1861	my ($self) = @_;	2371	my ($self) = @_;
1862		2372
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2374
		2375	return if !$self->linkable;
		2376	return if $self->{deny_save};
1868	return if $self->players;	2377	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1872	$self->clear;	2388	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2389	}
1875		2390
1876	sub reset_at {	2391	sub reset_at {
1877	my ($self) = @_;	2392	my ($self) = @_;
1878		2393
…		…
1896		2411
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2413
1899	return if $self->players;	2414	return if $self->players;
1900		2415
1901	warn "resetting map ", $self->path;	2416	cf::trace "resetting map ", $self->path, "\n";
1902		2417
1903	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
1904		2419
1905	# need to save uniques path	2420	# need to save uniques path
1906	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2425	if $uniq;
1911	}	2426	}
1912		2427
1913	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1914		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2432	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2433
1919	$self->unlink_save;	2434	$self->unlink_save;
1920	$self->destroy;	2435	$self->destroy;
1921	}	2436	}
1922		2437
1923	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1924		2439
1925	sub nuke {	2440	sub nuke {
1926	my ($self) = @_;	2441	my ($self) = @_;
1927		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1928	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1929		2447
1930	$self->unlink_save;	2448	$self->unlink_save;
1931		2449
1932	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2455
1938	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1939		2458
1940	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
1941	}	2460	}
1942		2461
1943	=item $maps = cf::map::tmp_maps	2462	=item $maps = cf::map::tmp_maps
…		…
1985		2504
1986	sub unique_maps() {	2505	sub unique_maps() {
1987	[	2506	[
1988	map {	2507	map {
1989	utf8::decode $_;	2508	utf8::decode $_;
1990	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
1991	? normalise $_	2512	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2514	]
1995	}	2515	}
1996		2516
1997	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
1998		2548
1999	=back	2549	=back
2000		2550
2001	=head3 cf::object	2551	=head3 cf::object
2002		2552
…		…
2006		2556
2007	=over 4	2557	=over 4
2008		2558
2009	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2010		2560
2011	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
2012		2563
2013	=cut	2564	=cut
2014		2565
2015	sub inv_recursive_;	2566	sub inv_recursive_;
2016	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2019		2570
2020	sub inv_recursive {	2571	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2022	}	2573	}
2023		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
2024	package cf;	2603	package cf;
2025		2604
2026	=back	2605	=back
2027		2606
2028	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2037		2616
2038	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
2039		2632
2040	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2634	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
2050		2643
2051	} else {	2644	} else {
2052	my $pl = $self->contr;	2645	my $pl = $self->contr;
2053		2646
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2650
2060	} else {	2651	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2654	}
2064	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
2065	}	2666	}
2066		2667
2067	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
2068		2669
2069	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
2082		2683
2083	=item $player_object->enter_link	2684	=item $player_object->enter_link
2084		2685
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2687
2087	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
2089		2692
2090	Will never block.	2693	Will never block.
2091		2694
2092	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2093		2696
…		…
2113	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2717	my ($self) = @_;
2115		2718
2116	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2117		2720
		2721	++$self->{_link_recursion};
		2722
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2724
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2122		2727
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2729	}
2125		2730
2126	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2128		2733
…		…
2145	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2147		2752
2148	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2151		2756
2152	$map->load;	2757	$map->load;
2153	$map->load_diag;	2758	$map->load_neighbours;
2154		2759
2155	return unless $self->contr->active;	2760	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2761
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2160	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2161		2769
		2770	}
		2771
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2773
2164	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2776	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
2168		2782
2169	=cut	2783	=cut
2170		2784
2171	our $GOTOGEN;	2785	our $GOTOGEN;
2172		2786
2173	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
2175		2795
2176	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2798
2179	$self->enter_link;	2799	$self->enter_link;
2180		2800
2181	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
2182	my $map = eval {	2823	my $map = eval {
2183	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2184		2825
2185	if ($map) {	2826	if ($map) {
2186	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2829	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2831	}
2191		2832
2192	$map	2833	$map
2193	};	2834	};
2194		2835
…		…
2199		2840
2200	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2203	}	2844	}
		2845
		2846	$done->($self) if $done;
2204	})->prio (1);	2847	})->prio (1);
2205	}	2848	}
2206		2849
2207	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2208		2851
…		…
2228	}	2871	}
2229		2872
2230	sub prepare_random_map {	2873	sub prepare_random_map {
2231	my ($exit) = @_;	2874	my ($exit) = @_;
2232		2875
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2878	# that depends on the exit object
2238		2879
2239	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2882	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2246	}	2889	}
2247		2890
2248	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2249		2892
2250	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2253		2896
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2899	undef $fh;
2257	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2258		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2261	}	2908	}
2262	}	2909	}
2263		2910
2264	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2266		2913
2267	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2268		2915
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2916	$self->enter_link;
2281		2917
2282	(async {	2918	(async {
2283	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2284	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	$map = $exit->slaying;
		2939
		2940	} elsif ($slaying eq '!up') {
		2941	$map = $exit->map->tile_path (cf::TILE_UP);
		2942	$x = $exit->x;
		2943	$y = $exit->y;
		2944
		2945	} elsif ($slaying eq '!down') {
		2946	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2947	$x = $exit->x;
		2948	$y = $exit->y;
		2949	}
		2950
2285	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2286		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
2287	1;	2957	1
2288	}) {	2958	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2963
2294	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2965	$self->leave_link;
2296	}	2966	}
2297	})->prio (1);	2967	})->prio (1);
2298	}	2968	}
2299		2969
…		…
2313		2983
2314	utf8::encode $text;	2984	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2986	}
2317		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
		3011	}
		3012
		3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3014
		3015	Send a drawinfo or msg packet to the client, formatting the msg for the
		3016	client if neccessary. C<$type> should be a string identifying the type of
		3017	the message, with C<log> being the default. If C<$color> is negative, suppress
		3018	the message unless the client supports the msg packet.
		3019
		3020	=cut
		3021
		3022	# non-persistent channels (usually the info channel)
		3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
		3030	"c/identify" => {
		3031	id => "infobox",
		3032	title => "Identify",
		3033	reply => undef,
		3034	tooltip => "Items recently identified",
		3035	},
		3036	"c/examine" => {
		3037	id => "infobox",
		3038	title => "Examine",
		3039	reply => undef,
		3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
		3134	);
		3135
		3136	sub cf::client::send_msg {
		3137	my ($self, $channel, $msg, $color, @extra) = @_;
		3138
		3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
		3141
		3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3143
		3144	# check predefined channels, for the benefit of C
		3145	if ($CHANNEL{$channel}) {
		3146	$channel = $CHANNEL{$channel};
		3147
		3148	$self->ext_msg (channel_info => $channel);
		3149	$channel = $channel->{id};
		3150
		3151	} elsif (ref $channel) {
		3152	# send meta info to client, if not yet sent
		3153	unless (exists $self->{channel}{$channel->{id}}) {
		3154	$self->{channel}{$channel->{id}} = $channel;
		3155	$self->ext_msg (channel_info => $channel);
		3156	}
		3157
		3158	$channel = $channel->{id};
		3159	}
		3160
		3161	return unless @extra || length $msg;
		3162
		3163	# default colour, mask it out
		3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3165	if $color & cf::NDI_DEF;
		3166
		3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
		3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3170	);
		3171
		3172	$self->send_big_packet ($pkt);
		3173	}
		3174
2318	=item $client->ext_event ($type, %msg)	3175	=item $client->ext_msg ($type, @msg)
2319		3176
2320	Sends an exti event to the client.	3177	Sends an ext event to the client.
2321		3178
2322	=cut	3179	=cut
2323		3180
2324	sub cf::client::ext_event($$%) {	3181	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3182	my ($self, $type, @msg) = @_;
2326		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3187	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		3199	my ($self, $id, @msg) = @_;
		3200
		3201	if ($self->extcmd == 2) {
		3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3203	} elsif ($self->extcmd == 1) {
		3204	#TODO: version 1, remove
		3205	unshift @msg, msgtype => "reply", msgid => $id;
		3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3207	}
2329	}	3208	}
2330		3209
2331	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2332		3211
2333	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3213	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3214	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3215
2337	Queries can fail, so check the return code. Or don't, as queries will become	3216	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3217	become reliable at some point in the future.
2339		3218
2340	=cut	3219	=cut
2341		3220
2342	sub cf::client::query {	3221	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3230	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3232
2354	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
2356	}	3237	}
2357		3238
2358	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
2359	on_reply => sub {	3245	on_reply => sub {
2360	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
2361		3247
2362	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
2363	# get handled first	3249	# get handled first
…		…
2375	} else {	3261	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3263	}
2378	}	3264	}
2379	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($ns, $buf) = @_;
		3268
		3269	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3270
		3271	if (ref $msg) {
		3272	my ($type, $reply, @payload) =
		3273	"ARRAY" eq ref $msg
		3274	? @$msg
		3275	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3276
		3277	my @reply;
		3278
		3279	if (my $cb = $EXTICMD{$type}) {
		3280	@reply = $cb->($ns, @payload);
		3281	}
		3282
		3283	$ns->ext_reply ($reply, @reply)
		3284	if $reply;
		3285
		3286	} else {
		3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3288	}
		3289
		3290	cf::override;
		3291	},
2380	);	3292	);
2381		3293
2382	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
2383		3295
2384	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3312
2401	$coro	3313	$coro
2402	}	3314	}
2403		3315
2404	cf::client->attach (	3316	cf::client->attach (
2405	on_destroy => sub {	3317	on_client_destroy => sub {
2406	my ($ns) = @_;	3318	my ($ns) = @_;
2407		3319
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3321	},
2410	);	3322	);
…		…
2425	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2427		3339
2428	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2429		3341
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2431		3347
2432	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2433		3349
2434	=pod	3350	=pod
2435		3351
2436	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2437		3353
2438	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2439	cf::object::player player	3359	cf::object::player
2440	cf::player peaceful	3360	player
2441	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2442		3367
2443	=cut	3368	=cut
2444		3369
2445	for (	3370	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2450	) {	3377	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3380	for @funs;
2455	}	3381	}
2456		3382
…		…
2471		3397
2472	my $qcode = $code;	3398	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2475		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2476	local $_;	3405	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3406
2479	my $eval =	3407	my $eval =
2480	"do {\n"	3408	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3411	. $code
2484	. "\n}"	3412	. "\n}"
2485	;	3413	;
2486		3414
		3415	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2490		3424
2491	if ($@) {	3425	if ($@) {
2492	warn "$@";	3426	warn "$@",
2493	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2495	}	3429	}
2496		3430
2497	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2498	}	3432	}
2499		3433
…		…
2513	=cut	3447	=cut
2514		3448
2515	sub register_script_function {	3449	sub register_script_function {
2516	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2517		3451
2518	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2520	}	3454	}
2521		3455
2522	=back	3456	=back
2523		3457
2524	=cut	3458	=cut
…		…
2527	# the server's init and main functions	3461	# the server's init and main functions
2528		3462
2529	sub load_facedata($) {	3463	sub load_facedata($) {
2530	my ($path) = @_;	3464	my ($path) = @_;
2531		3465
		3466	# HACK to clear player env face cache, we need some signal framework
		3467	# for this (global event?)
		3468	%ext::player_env::MUSIC_FACE_CACHE = ();
		3469
		3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3471
2532	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
2533		3473
2534	my $facedata;	3474	my $facedata = decode_storable load_file $path;
2535	0 < aio_load $path, $facedata
2536	or die "$path: $!";
2537
2538	$facedata = Coro::Storable::thaw $facedata;
2539		3475
2540	$facedata->{version} == 2	3476	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3478
		3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3481	$facedata->{resource}{"res/exp_table"} = {
		3482	type => FT_RSRC,
		3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
		3485	};
		3486	cf::cede_to_tick;
		3487
2543	{	3488	{
2544	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
2545		3490
2546	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3494	cf::face::set_visibility $idx, $info->{visibility};
		3495	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3499
		3500	cf::cede_to_tick;
2552	}	3501	}
2553		3502
2554	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
2556	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
2557	or next;	3507	or next;
		3508
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
		3510	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3512	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3514	}
2563	Coro::cede;	3515
		3516	cf::cede_to_tick;
2564	}	3517	}
2565	}	3518	}
2566		3519
2567	{	3520	{
2568	my $anims = $facedata->{animinfo};	3521	my $anims = $facedata->{animinfo};
2569		3522
2570	while (my ($anim, $info) = each %$anims) {	3523	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3525	cf::cede_to_tick;
2573	}	3526	}
2574		3527
2575	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
2576	}	3529	}
2577		3530
		3531	{
		3532	my $res = $facedata->{resource};
		3533
		3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
		3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3537
		3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3539	cf::face::set_type $idx, $info->{type};
		3540	} else {
		3541	$RESOURCE{$name} = $info; # unused
		3542	}
		3543
		3544	cf::cede_to_tick;
		3545	}
		3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3549
2578	1	3550	1
2579	}	3551	}
2580		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($ns, $want) = @_;
		3555
		3556	while (my ($k, $v) = each %$want) {
		3557	$ns->fx_want ($k, $v);
		3558	}
		3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
		3570
2581	sub reload_regions {	3571	sub reload_regions {
		3572	# HACK to clear player env face cache, we need some signal framework
		3573	# for this (global event?)
		3574	%ext::player_env::MUSIC_FACE_CACHE = ();
		3575
2582	load_resource_file "$MAPDIR/regions"	3576	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3577	or die "unable to load regions file\n";
		3578
		3579	for (cf::region::list) {
		3580	$_->{match} = qr/$_->{match}/
		3581	if exists $_->{match};
		3582	}
2584	}	3583	}
2585		3584
2586	sub reload_facedata {	3585	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3586	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3587	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3595	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3596	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3597	or die "unable to load treasurelists\n";
2599	}	3598	}
2600		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
2601	sub reload_resources {	3620	sub reload_resources {
2602	warn "reloading resource files...\n";	3621	trace "reloading resource files...\n";
2603		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
2604	reload_regions;	3628	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3629	reload_treasures;
2609		3630
2610	warn "finished reloading resource files\n";	3631	trace "finished reloading resource files\n";
2611	}	3632	}
2612		3633
2613	sub init {	3634	sub reload_config {
2614	reload_resources;	3635	trace "reloading config file...\n";
2615	}
2616		3636
2617	sub cfg_load {	3637	my $config = load_file "$CONFDIR/config";
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3638	utf8::decode $config;
2619	or return;	3639	*CFG = decode_yaml $config;
2620		3640
2621	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;
2623
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3642
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3645
2629	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2633	};	3650	};
2634	warn $@ if $@;	3651	warn $@ if $@;
2635	}	3652	}
2636	}	3653	}
2637		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
2638	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
2639	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3696	(async {
2643	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2645	};	3700	};
2646		3701
2647	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
		3714	reload_config;
2648	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
2649	load_extensions;	3725	load_extensions;
2650		3726
2651	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
2653	}	3745	}
2654		3746
2655	#############################################################################	3747	#############################################################################
2656	# initialisation and cleanup	3748	# initialisation and cleanup
2657		3749
2658	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2659	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2668	},
2669	);	3756	};
2670	}	3757	}
2671	}	3758	}
2672		3759
2673	sub write_runtime {	3760	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3761	my $t0 = AE::time;
2675		3762
2676	# first touch the runtime file to show we are still running:	3763	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3764	# the fsync below can take a very very long time.
2678		3765
2679	IO::AIO::aio_utime $runtime, undef, undef;	3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3767
2681	my $guard = cf::lock_acquire "write_runtime";	3768	my $guard = cf::lock_acquire "write_runtime";
2682		3769
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3771	or return;
2685		3772
2686	my $value = $cf::RUNTIME + 90 + 10;	3773	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3774	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3775	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3785	aio_utime $fh, undef, undef;
2699		3786
2700	close $fh	3787	close $fh
2701	or return;	3788	or return;
2702		3789
2703	aio_rename "$runtime~", $runtime	3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3791	and return;
2705		3792
2706	warn "runtime file written.\n";	3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3794
2708	1	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
2709	}	3846	}
2710		3847
2711	sub emergency_save() {	3848	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2713		3850
2714	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
2715		3857
2716	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2717	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3869	$pl->save;
2725	}	3870	}
2726	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2727		3872
2728	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3878	$map->valid or next;
2732	$map->save;	3879	$map->save;
2733	}	3880	}
2734	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
2735		3882
2736	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3911	};
2740		3912
2741	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2742	}	3914	}
2743		3915
2744	sub post_cleanup {	3916	sub post_cleanup {
2745	my ($make_core) = @_;	3917	my ($make_core) = @_;
2746		3918
		3919	IO::AIO::flush;
		3920
2747	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
2749	}	3951	}
2750		3952
2751	sub do_reload_perl() {	3953	sub do_reload_perl() {
2752	# can/must only be called in main	3954	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2754	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
2755	return;	3957	return;
2756	}	3958	}
2757		3959
2758	warn "reloading...";	3960	return if $RELOAD++;
2759		3961
2760	warn "entering sync_job";	3962	my $t1 = AE::time;
2761		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
2762	cf::sync_job {	3970	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3971	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3972
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3975	%EXT_CORO = ();
2791		3976
2792	warn "removing commands";	3977	trace "perl_reload: removing commands";
2793	%COMMAND = ();	3978	%COMMAND = ();
2794		3979
2795	warn "removing ext commands";	3980	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	3981	%EXTCMD = ();
		3982	%EXTICMD = ();
2797		3983
2798	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2801		3987
2802	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2803	eval {	3989	eval {
2804	$cb->($pkg);	3990	$cb->($pkg);
2805	1	3991	1
2806	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
2807	}	3997	}
2808		3998
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		4002
2817	warn "... unloading $k";	4003	trace "... unloading $k";
2818	delete $INC{$k};	4004	delete $INC{$k};
2819		4005
2820	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2822		4008
2823	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2825	}	4014	}
2826		4015
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		4019
2834	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		4023
2838	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2839	# and global variables created in xs	4025	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2841		4027
2842	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
2843		4029
2844	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
2845	require cf;	4031	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2847		4033
2848	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	4035	cf::reload_config;
2850		4036
2851	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	4038	cf::load_extensions;
2853		4039
		4040	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
2860		4048
2861	warn "leaving sync_job";	4049	cf::_post_init 1;
2862		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
2863	1	4053	1
2864	} or do {	4054	} or do {
2865	warn $@;	4055	error $@;
2866	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4057	};
		4058
		4059	--$RELOAD;
2868	};	4060	}
2869		4061
2870	warn "reloaded";	4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
2871	};	4064	};
2872		4065
2873	our $RELOAD_WATCHER; # used only during reload	4066	our $RELOAD_WATCHER; # used only during reload
2874		4067
2875	sub reload_perl() {	4068	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4069	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4070	# coro crashes during coro_state_free->destroy here.
2878		4071
2879	$RELOAD_WATCHER ||= Event->timer (	4072	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4073	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4074
2882	data => WF_AUTOCANCEL,	4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4076	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4077	undef $RELOAD_WATCHER;
2886	},	4078	};
2887	);	4079	};
2888	}	4080	}
2889		4081
2890	register_command "reload" => sub {	4082	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2892		4084
2893	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
		4087	async {
		4088	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4089	reload_perl;
		4090	};
2896	}	4091	}
2897	};	4092	};
2898		4093
2899	unshift @INC, $LIBDIR;	4094	#############################################################################
2900		4095
2901	my $bug_warning = 0;	4096	my $bug_warning = 0;
2902		4097
2903	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
2905		4100
2906	sub wait_for_tick {	4101	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		4103
2910	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	4106	$signal->wait;
2913	}	4107	}
2914		4108
2915	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		4111
2919	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4114	$signal->wait;
2922	}	4115	}
2923		4116
2924	my $min = 1e6;#d#	4117	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
2936	return;	4121	return;
2937	}	4122	}
2938		4123
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2942		4125
2943	0 && sync_job {#d#	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		4127
2949	$map->width (50);	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	4130	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	4131	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	4132	write_runtime_sync
2954		4133	or error "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4134	};
		4135	}
2965		4136
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4138	$sig->send;
2982	}	4139	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4141	$sig->send;
2985	}	4142	}
2986		4143
2987	$NOW = Event::time;	4144	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4146
2998	_post_tick;	4147	if (0) {
2999		4148	if ($NEXT_TICK) {
3000		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
3001	},	4153	}
3002	);	4154	}
3003		4155
3004	{	4156	{
3005	BDB::max_poll_time $TICK * 0.1;	4157	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4158
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
3015		4160	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4161	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4162
3031	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
		4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4170
3034	cf::sync_job {	4171	cf::sync_job {
3035	eval {	4172	eval {
3036	BDB::db_env_open	4173	BDB::db_env_open
3037	$DB_ENV,	4174	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4178	0666;
3042		4179
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4181	};
3048		4182
3049	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4184	};
3051	}	4185	}
		4186
		4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4189	};
		4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4192	};
		4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4195	};
3052	}	4196	}
3053		4197
3054	{	4198	{
		4199	# configure IO::AIO
		4200
3055	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4204	}
3068		4205
3069	my $_log_backtrace;	4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
3070		4208
3071	sub _log_backtrace {	4209	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4210	my ($msg, @addr) = @_;
3073		4211
3074	$msg =~ s/\n//;	4212	$msg =~ s/\n$//;
3075		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4217	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
3079	async {	4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
3080	my @bt = fork_call {	4225	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4226	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4229	or die "addr2line: $!";
…		…
3092	}	4237	}
3093		4238
3094	@funcs	4239	@funcs
3095	};	4240	};
3096		4241
3097	LOG llevInfo, "[ABT] $msg\n";	4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4244	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4245	--$_log_backtrace;
3100	};	4246	};
3101	} else {	4247	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4248	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4250	}
3105	}	4251	}
3106		4252
3107	# load additional modules	4253	# load additional modules
3108	use cf::pod;	4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
3109		4256
3110	END { cf::emergency_save }	4257	END { cf::emergency_save }
3111		4258
3112	1	4259	1
3113		4260

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