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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		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	$EV::DIED = sub {
209	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
210	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
211		326
212	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
213		328
214	=over 4	329	=over 4
215		330
…		…
234	$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;
235	$d	350	$d
236	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
237	}	352	}
238		353
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
240		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
241	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
242		369
243	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
244		371
245	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
246		373
247	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
248		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
249	=item cf::lock_wait $string	445	=item cf::lock_wait $string
250		446
251	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
252		448
253	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
254		450
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
258	returned.	454	returned.
259		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
260	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
261	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
262		461
263	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
264		463
265	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.
266		465
267	=cut	466	=cut
268		467
269	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
270		469
271	sub lock_wait($) {	470	sub lock_wait($) {
272	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	472	}
280		473
281	sub lock_acquire($) {	474	sub lock_acquire($) {
282	my ($key) = @_;	475	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	476	}
294		477
295	sub lock_active($) {	478	sub lock_active($) {
296	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	480	}
300		481
301	sub freeze_mainloop {	482	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
303		484
304	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
305	$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	}
306	};	556	}
307	$TICK_WATCHER->stop;	557	};
308	$guard	558
		559	sub get_slot($;$$) {
		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;
309	}	572	}
310		573
311	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
312		575
313	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		581
319	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
320		583
321	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
322		585
323	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
326		590
327	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
328	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
329	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
330	fast or be very important.	594	fast or be very important.
…		…
332	=cut	596	=cut
333		597
334	sub sync_job(&) {	598	sub sync_job(&) {
335	my ($job) = @_;	599	my ($job) = @_;
336		600
337	if ($Coro::current == $Coro::main) {	601	if (in_main) {
338	my $time = Event::time;	602	my $time = AE::time;
339		603
340	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
342		606
343	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	608
345	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
346		610
347	my $busy = 1;	611	my $busy = 1;
348	my @res;	612	my @res;
349		613
350	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	616	@res = eval { $job->() };
352	warn $@ if $@;	617	error $@ if $@;
353	undef $busy;	618	undef $busy;
354	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
355		620
356	while ($busy) {	621	while ($busy) {
357	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
358	}	626	}
		627	}
359		628
360	$time = Event::time - $time;	629	my $time = AE::time - $time;
361		630
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
366		632
367	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
368	} else {	634	} else {
369	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
370		636
…		…
390	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
391		657
392	$coro	658	$coro
393	}	659	}
394		660
395	sub write_runtime {	661	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		662
398	# first touch the runtime file to show we are still running:	663	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
400		667
401	IO::AIO::aio_utime $runtime, undef, undef;	668	=cut
402		669
403	my $guard = cf::lock_acquire "write_runtime";	670	sub post_fork {
		671	reset_signals;
		672	}
404		673
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	674	sub fork_call(&@) {
406	or return;	675	my ($cb, @args) = @_;
407		676
408	my $value = $cf::RUNTIME + 90 + 10;	677	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	678	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	679	# TODO: investigate and fix (likely this will be rather laborious)
411		680
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	681	my @res = Coro::Util::fork_eval {
413	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
414		685
415	# always fsync - this file is important	686	wantarray ? @res : $res[-1]
416	aio_fsync $fh	687	}
417	and return;
418		688
419	# touch it again to show we are up-to-date	689	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";#d#
429
430	1	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
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		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
		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	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
431	}	853	}
432		854
433	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
434		856
435	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
436		858
437	=cut	859	=cut
438		860
439	sub datalog($@) {	861	sub datalog($@) {
440	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	864	}
443		865
444	=back	866	=back
445		867
446	=cut	868	=cut
447		869
448	#############################################################################	870	#############################################################################
449		871
450	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
451		873
452	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
453	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")
454	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
455		877
456	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>
457	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
458	crossfire+).	880	Deliantra).
459		881
460	=over 4	882	=over 4
461		883
462	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
463		885
…		…
507	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
508		930
509	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
510	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
511		933
512	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
514		936
515	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
516		938
517	=over 4	939	=over 4
…		…
641		1063
642	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1066
645	} elsif (ref $type) {	1067	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
647		1069
648	} else {	1070	} else {
649	shift @arg;	1071	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
651	}	1073	}
652	}	1074	}
653	}	1075	}
654		1076
655	sub _object_attach {	1077	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
666	}	1088	}
667		1089
668	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
669	} else {	1091	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1093	}
672		1094
673	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
674	}	1096	}
675		1097
…		…
715	";	1137	";
716	die if $@;	1138	die if $@;
717	}	1139	}
718		1140
719	our $override;	1141	our $override;
720	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?
721		1143
722	sub override {	1144	sub override {
723	$override = 1;	1145	$override = 1;
724	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
725	}	1147	}
726		1148
727	sub do_invoke {	1149	sub do_invoke {
728	my $event = shift;	1150	my $event = shift;
729	my $callbacks = shift;	1151	my $callbacks = shift;
730		1152
731	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
732		1154
733	local $override;	1155	local $override;
734		1156
735	for (@$callbacks) {	1157	for (@$callbacks) {
736	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
737		1159
738	if ($@) {	1160	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1162	override;
742	}	1163	}
743		1164
744	return 1 if $override;	1165	return 1 if $override;
745	}	1166	}
746		1167
747	0	1168	0
748	}	1169	}
749		1170
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1172
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1174
754	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
755		1176
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1180
760	=back	1181	=back
761		1182
762	=cut	1183	=cut
763		1184
764	#############################################################################	1185	#############################################################################
765	# 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	}
766		1229
767	sub reattach {	1230	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1232	my ($obj) = @_;
770		1233
		1234	# no longer needed after getting rid of delete_package?
771	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
772		1236
773	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
774		1238
775	@$registry = ();	1239	@$registry = ();
776		1240
…		…
781	for (@$attach) {	1245	for (@$attach) {
782	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
784	}	1248	}
785	} else {	1249	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1251	}
788	}	1252	}
789	}	1253	}
790		1254
791	cf::attachable->attach (	1255	cf::attachable->attach (
792	prio => -1000000,	1256	prio => -1000000,
793	on_instantiate => sub {	1257	on_instantiate => sub {
794	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
795		1259
796	$data = from_json $data;	1260	$data = decode_json $data;
797		1261
798	for (@$data) {	1262	for (@$data) {
799	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
800		1264
801	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1281	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
819		1283
820	sync_job {	1284	sync_job {
821	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
824		1290
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	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	}
829	close $fh;	1298	aio_close $fh;
830		1299
831	if (@$objs) {	1300	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
836	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	}
837	close $fh;	1309	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
839	}	1311	}
840	} else {	1312	} else {
841	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
842	}	1314	}
843		1315
844	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1320	} else {
846	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
847	}	1322	}
848	} else {	1323	} else {
849	aio_unlink $filename;	1324	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
851	}	1326	}
852	}	1327	};
853	}	1328	}
854		1329
855	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
857		1332
…		…
869	or return;	1344	or return;
870		1345
871	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
873	or return;	1348	or return;
		1349
874	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
875	}	1352	}
876		1353
		1354	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
879	return ($data, $av);	1359	($data, $av)
880	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
881		1367
882	#############################################################################	1368	#############################################################################
883	# command handling &c	1369	# command handling &c
884		1370
885	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1385	}
900		1386
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1388
903	Register a callbackf ro 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.
904		1394
905	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
906	called.	1396	called.
907		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
908	=cut	1409	=cut
909		1410
910	sub register_extcmd {	1411	sub register_extcmd {
911	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
912		1413
913	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
914	}	1415	}
915		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
916	cf::player->attach (	1425	cf::player->attach (
917	on_command => sub {	1426	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
919		1428
920	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
921	or return;	1430	or return;
922		1431
…		…
927	cf::override;	1436	cf::override;
928	},	1437	},
929	on_extcmd => sub {	1438	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
931		1440
932	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1442
934	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
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
940	} else {	1458	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1460	}
943		1461
944	cf::override;	1462	cf::override;
945	},	1463	},
946	);	1464	);
947		1465
		1466	# "readahead" all extensions
948	sub load_extension {	1467	sub cache_extensions {
949	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
950		1469
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1473	}
976	die $@;
977	}	1474	};
978		1475
979	push @EXTS, $pkg;	1476	$grp
980	}	1477	}
981		1478
982	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
983	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1486	next unless -r $path;
985	eval {	1487
986	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
987	1	1551	}
988	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		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	}
989	}	1562	};
990	}	1563	}
991		1564
992	#############################################################################	1565	#############################################################################
993		1566
		1567	=back
		1568
994	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
995		1570
996	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
997		1572
998	=cut	1573	=cut
999		1574
1000	package cf::player;	1575	package cf::player;
1001		1576
1002	use Coro::AIO;	1577	use Coro::AIO;
1003		1578
1004	=head3 cf::player	1579	=head3 cf::player
1005		1580
1006	=over 4	1581	=over 4
		1582
		1583	=item cf::player::num_playing
		1584
		1585	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1586
		1587	=cut
		1588
		1589	sub num_playing {
		1590	scalar grep
		1591	$_->ob->map
		1592	&& !$_->hidden
		1593	&& !$_->ob->flag (cf::FLAG_WIZ),
		1594	cf::player::list
		1595	}
1007		1596
1008	=item cf::player::find $login	1597	=item cf::player::find $login
1009		1598
1010	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
1011		1600
…		…
1030		1619
1031	sub exists($) {	1620	sub exists($) {
1032	my ($login) = @_;	1621	my ($login) = @_;
1033		1622
1034	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
1036	}	1625	}
1037		1626
1038	sub find($) {	1627	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1629	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1639	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1640
1052	my $pl = load_pl path $login	1641	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1642	or return;
		1643
		1644	my $pl = cf::player::load_pl $f
		1645	or return;
		1646
		1647	local $cf::PLAYER_LOADING{$login} = $pl;
		1648	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
1055	}	1650	}
1056	}	1651	}
1057	}	1652	}
		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
1058		1666
1059	sub save($) {	1667	sub save($) {
1060	my ($pl) = @_;	1668	my ($pl) = @_;
1061		1669
1062	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1068		1676
1069	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1071		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1684
1072	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1073	Coro::cede;	1686	cf::cede_to_tick;
1074	}	1687	}
1075		1688
1076	sub new($) {	1689	sub new($) {
1077	my ($login) = @_;	1690	my ($login) = @_;
1078		1691
…		…
1084	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1085		1698
1086	$self	1699	$self
1087	}	1700	}
1088		1701
		1702	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1703
		1704	=cut
		1705
		1706	sub send_msg {
		1707	my $ns = shift->ns
		1708	or return;
		1709	$ns->send_msg (@_);
		1710	}
		1711
1089	=item $pl->quit_character	1712	=item $pl->quit_character
1090		1713
1091	Nukes the player without looking back. If logged in, the connection will	1714	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1093		1716
…		…
1097	my ($pl) = @_;	1720	my ($pl) = @_;
1098		1721
1099	my $name = $pl->ob->name;	1722	my $name = $pl->ob->name;
1100		1723
1101	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1726
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1107	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1108		1735
1109	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
…		…
1146	or return [];	1773	or return [];
1147		1774
1148	my @logins;	1775	my @logins;
1149		1776
1150	for my $login (@$dirs) {	1777	for my $login (@$dirs) {
		1778	my $path = path $login;
		1779
		1780	# a .pst is a dead give-away for a valid player
		1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1154		1787
1155	utf8::decode $login;	1788	utf8::decode $login;
1156	push @logins, $login;	1789	push @logins, $login;
1157	}	1790	}
1158		1791
1159	\@logins	1792	\@logins
1160	}	1793	}
1161		1794
1162	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1163		1798
1164	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1165	player. May block.	1800	player. May block.
1166		1801
1167	=cut	1802	=cut
…		…
1185	}	1820	}
1186		1821
1187	\@paths	1822	\@paths
1188	}	1823	}
1189		1824
		1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1826
		1827	Expand deliantra pod fragments into protocol xml.
		1828
1190	=item $player->ext_reply ($msgid, %msg)	1829	=item $player->ext_reply ($msgid, @msg)
1191		1830
1192	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1193		1832
1194	=cut	1833	=cut
1195		1834
1196	sub ext_reply($$%) {	1835	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1198		1837
1199	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1839	}
1203		1840
1204	=item $player->ext_event ($type, %msg)	1841	=item $player->ext_msg ($type, @msg)
1205		1842
1206	Sends an ext event to the client.	1843	Sends an ext event to the client.
1207		1844
1208	=cut	1845	=cut
1209		1846
1210	sub ext_event($$%) {	1847	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1848	my ($self, $type, @msg) = @_;
1212		1849
1213	$self->ns->ext_event ($type, %msg);	1850	$self->ns->ext_msg ($type, @msg);
1214	}	1851	}
1215		1852
1216	=head3 cf::region	1853	=head3 cf::region
1217		1854
1218	=over 4	1855	=over 4
…		…
1221		1858
1222	package cf::region;	1859	package cf::region;
1223		1860
1224	=item cf::region::find_by_path $path	1861	=item cf::region::find_by_path $path
1225		1862
1226	Tries to decuce the probable region for a map knowing only its path.	1863	Tries to decuce the likely region for a map knowing only its path.
1227		1864
1228	=cut	1865	=cut
1229		1866
1230	sub find_by_path($) {	1867	sub find_by_path($) {
1231	my ($path) = @_;	1868	my ($path) = @_;
1232		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
		1871
1233	my ($match, $specificity);	1872	my ($match, $specificity);
1234		1873
1235	for my $region (list) {	1874	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1875	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1876	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1877	if $region->specificity > $specificity;
1239	}	1878	}
1240	}	1879	}
1241		1880
…		…
1262	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1264		1903
1265	sub generate_random_map {	1904	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1268	$self->_create_random_map (	1909	$self->_create_random_map ($rmp);
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1280	)
1281	}	1910	}
1282		1911
1283	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1284		1913
1285	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1290		1919
1291	sub register {	1920	sub register {
1292	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1922	my $pkg = caller;
1294		1923
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1925
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1927	}
1300		1928
1301	# also paths starting with '/'	1929	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1931
1304	sub thawer_merge {	1932	sub thawer_merge {
1305	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1306		1934
1307	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
1308	local $self->{path};	1936	local $self->{path};
1309	local $self->{load_path};	1937	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1938
1313	$self->SUPER::thawer_merge ($merge);	1939	$self->SUPER::thawer_merge ($merge);
1314	}	1940	}
1315		1941
1316	sub normalise {	1942	sub normalise {
1317	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1318		1944
1319	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1320		1946
1321	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1322		1948
1323	# map plan:	1949	# map plan:
1324	#	1950	#
…		…
1339	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1340	$path = "$base/$path";	1966	$path = "$base/$path";
1341	}	1967	}
1342		1968
1343	for ($path) {	1969	for ($path) {
1344	redo if s{//}{/};
1345	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1346	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1347	}	1972	}
1348		1973
1349	$path	1974	$path
…		…
1363	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1364	return $self;	1989	return $self;
1365	}	1990	}
1366	}	1991	}
1367		1992
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1369	()	1994	()
1370	}	1995	}
1371		1996
1372	sub init {	1997	sub init {
1373	my ($self) = @_;	1998	my ($self) = @_;
…		…
1395		2020
1396	# the temporary/swap location	2021	# the temporary/swap location
1397	sub save_path {	2022	sub save_path {
1398	my ($self) = @_;	2023	my ($self) = @_;
1399		2024
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	2026	"$TMPDIR/$path.map"
1402	}	2027	}
1403		2028
1404	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1405	sub uniq_path {	2030	sub uniq_path {
1406	my ($self) = @_;	2031	my ($self) = @_;
1407		2032
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	2034	"$UNIQUEDIR/$path"
1410	}	2035	}
1411		2036
1412	# and all this just because we cannot iterate over	2037	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	2038	my ($self) = @_;
1416		2039
1417	$_->change_map_light ($change)	2040	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	2041
		2042	$self->do_decay_objects;
1419	}	2043	}
1420		2044
1421	sub unlink_save {	2045	sub unlink_save {
1422	my ($self) = @_;	2046	my ($self) = @_;
1423		2047
…		…
1428		2052
1429	sub load_header_from($) {	2053	sub load_header_from($) {
1430	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1431		2055
1432	utf8::encode $path;	2056	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	2058	or return;
		2059
		2060	$self->_load_header ($f)
		2061	or return;
		2062
		2063	local $MAP_LOADING{$self->{path}} = $self;
		2064	$f->resolve_delayed_derefs;
1438		2065
1439	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1440		2067
1441	1	2068	1
1442	}	2069	}
…		…
1481	$self->load_header_orig	2108	$self->load_header_orig
1482	or return;	2109	or return;
1483	$self->prepare_orig;	2110	$self->prepare_orig;
1484	}	2111	}
1485		2112
		2113	$self->{deny_reset} = 1
		2114	if $self->no_reset;
		2115
1486	$self->default_region (cf::region::find_by_path $self->{path})	2116	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2117	unless $self->default_region;
1488		2118
1489	1	2119	1
1490	}	2120	}
1491		2121
1492	sub find;	2122	sub find;
1493	sub find {	2123	sub find {
1494	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1495		2125
		2126	cf::cede_to_tick;
		2127
1496	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1497		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2132
1500	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1503	or return;	2135	or return;
1504		2136
1505	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1506		2138
1507	$map->load_header	2139	$map->load_header
1508	or return;	2140	or return;
1509		2141
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1513	$map->reset;	2147	$map->reset;
1514	undef $guard;
1515	return find $path;	2148	return find $path;
1516	}	2149	}
1517		2150
1518	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1519	}	2152	}
1520	}	2153	}
1521		2154
1522	sub pre_load { }	2155	sub pre_load { }
1523	sub post_load { }	2156	#sub post_load { } # XS
1524		2157
1525	sub load {	2158	sub load {
1526	my ($self) = @_;	2159	my ($self) = @_;
1527		2160
1528	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
1529		2162
1530	my $path = $self->{path};	2163	my $path = $self->{path};
1531		2164
1532	{	2165	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1534		2167
		2168	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2170
1537	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1538		2172
1539	$self->alloc;	2173	$self->alloc;
1540		2174
1541	$self->pre_load;	2175	$self->pre_load;
1542	Coro::cede;	2176	cf::cede_to_tick;
1543		2177
		2178	my $f = new_from_file cf::object::thawer $self->{load_path};
		2179	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2180	$self->_load_objects ($f)
1545	or return;	2181	or return;
1546		2182
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1548	if delete $self->{load_original};	2184	if delete $self->{load_original};
1549		2185
1550	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2187	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2190	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1555	}	2194	}
1556	}	2195	}
1557		2196
1558	Coro::cede;	2197	$f->resolve_delayed_derefs;
		2198
		2199	cf::cede_to_tick;
1559	# now do the right thing for maps	2200	# now do the right thing for maps
1560	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2202	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2203	unless $self->difficulty;
1563	Coro::cede;	2204	cf::cede_to_tick;
1564		2205
1565	unless ($self->{deny_activate}) {	2206	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2207	$self->decay_objects;
1567	$self->fix_auto_apply;	2208	$self->fix_auto_apply;
1568	$self->update_buttons;	2209	$self->update_buttons;
1569	Coro::cede;	2210	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2211	$self->activate;
1573	}	2212	}
1574		2213
		2214	$self->{last_save} = $cf::RUNTIME;
		2215	$self->last_access ($cf::RUNTIME);
		2216
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2217	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2218	}
1577		2219
1578	$self->post_load;	2220	$self->post_load;
1579	}
1580		2221
		2222	1
		2223	}
		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2228	sub customise_for {
1582	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1583		2230
1584	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2232	if $self->per_player;
1586		2233
		2234	# return find "?party/" . $ob->name . "/" . $self->{path}
		2235	# if $self->per_party;
		2236
1587	$self	2237	$self
1588	}	2238	}
1589		2239
1590	# find and load all maps in the 3x3 area around a map	2240	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2241	sub load_neighbours {
1592	my ($map) = @_;	2242	my ($map) = @_;
1593		2243
1594	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1595		2245
1596	for (0 .. 3) {	2246	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1598	or next;	2248	or next;
1599	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1600	or next;	2250	or next;
1601	$neigh->load;	2251	$neigh->load;
1602		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2257	}
1606		2258
1607	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1609	or next;	2262	or next;
1610	$neigh->load;	2263	$neigh->load;
1611	}	2264	}
1612	}	2265	}
1613		2266
1614	sub find_sync {	2267	sub find_sync {
1615	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1616		2269
1617	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
1618	}	2274	}
1619		2275
1620	sub do_load_sync {	2276	sub do_load_sync {
1621	my ($map) = @_;	2277	my ($map) = @_;
1622		2278
1623	cf::sync_job { $map->load };	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2280	if $Coro::current == $Coro::main;
		2281
		2282	$map->load;
1624	}	2283	}
1625		2284
1626	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1628		2287
1629	sub find_async {	2288	sub find_async {
1630	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1631		2290
1632	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1633		2292
1634	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2295	}
1637		2296
1638	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1639	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1640	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2304	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2305	$map->load if $v;
		2306	}
1645		2307
1646	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1647	}	2309	}
1648	}	2310	}
1649	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1650	};	2312	};
1651	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1652		2314
1653	()	2315	()
1654	}	2316	}
1655		2317
		2318	# common code, used by both ->save and ->swapout
1656	sub save {	2319	sub _save {
1657	my ($self) = @_;	2320	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2321
1661	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1662		2323
1663	return unless $self->dirty;	2324	return unless $self->dirty;
1664		2325
…		…
1670	return if $self->{deny_save};	2331	return if $self->{deny_save};
1671		2332
1672	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1673		2334
1674	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1676	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1677		2341
1678	if ($uniq) {	2342	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2345	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2347	}
1684	}	2348	}
1685		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1686	sub swap_out {	2358	sub swap_out {
1687	my ($self) = @_;	2359	my ($self) = @_;
1688		2360
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1694	return if $self->players;	2365	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
		2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
1698	$self->clear;	2376	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2377	}
1701		2378
1702	sub reset_at {	2379	sub reset_at {
1703	my ($self) = @_;	2380	my ($self) = @_;
1704		2381
1705	# TODO: safety, remove and allow resettable per-player maps	2382	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2383	return 1e99 if $self->{deny_reset};
1708		2384
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2386	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2387
…		…
1722	my ($self) = @_;	2398	my ($self) = @_;
1723		2399
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2401
1726	return if $self->players;	2402	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2403
1729	warn "resetting map ", $self->path;#d#	2404	cf::trace "resetting map ", $self->path, "\n";
1730		2405
1731	$self->in_memory (cf::MAP_SWAPPED);	2406	$self->in_memory (cf::MAP_SWAPPED);
1732		2407
1733	# need to save uniques path	2408	# need to save uniques path
1734	unless ($self->{deny_save}) {	2409	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2413	if $uniq;
1739	}	2414	}
1740		2415
1741	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
1742		2417
		2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2420	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2421
1747	$self->unlink_save;	2422	$self->unlink_save;
1748	$self->destroy;	2423	$self->destroy;
1749	}	2424	}
1750		2425
1751	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
1752		2427
1753	sub nuke {	2428	sub nuke {
1754	my ($self) = @_;	2429	my ($self) = @_;
1755		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
1756	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
1757		2435
1758	$self->unlink_save;	2436	$self->unlink_save;
1759		2437
1760	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2443
1766	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
1767		2446
1768	$self->reset; # polite request, might not happen	2447	$self->reset; # polite request, might not happen
		2448	}
		2449
		2450	=item $maps = cf::map::tmp_maps
		2451
		2452	Returns an arrayref with all map paths of currently instantiated and saved
		2453	maps. May block.
		2454
		2455	=cut
		2456
		2457	sub tmp_maps() {
		2458	[
		2459	map {
		2460	utf8::decode $_;
		2461	/\.map$/
		2462	? normalise $_
		2463	: ()
		2464	} @{ aio_readdir $TMPDIR or [] }
		2465	]
		2466	}
		2467
		2468	=item $maps = cf::map::random_maps
		2469
		2470	Returns an arrayref with all map paths of currently instantiated and saved
		2471	random maps. May block.
		2472
		2473	=cut
		2474
		2475	sub random_maps() {
		2476	[
		2477	map {
		2478	utf8::decode $_;
		2479	/\.map$/
		2480	? normalise "?random/$_"
		2481	: ()
		2482	} @{ aio_readdir $RANDOMDIR or [] }
		2483	]
1769	}	2484	}
1770		2485
1771	=item cf::map::unique_maps	2486	=item cf::map::unique_maps
1772		2487
1773	Returns an arrayref of paths of all shared maps that have	2488	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2489	instantiated unique items. May block.
1775		2490
1776	=cut	2491	=cut
1777		2492
1778	sub unique_maps() {	2493	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2494	[
1780	or return;	2495	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2496	utf8::decode $_;
1786	next if /\.pst$/;	2497	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2499	? ()
1789	push @paths, cf::map::normalise $_;	2500	: normalise $_
		2501	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2502	]
1791
1792	\@paths
1793	}	2503	}
1794		2504
1795	package cf;	2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
1796		2536
1797	=back	2537	=back
1798		2538
1799	=head3 cf::object	2539	=head3 cf::object
1800		2540
…		…
1804		2544
1805	=over 4	2545	=over 4
1806		2546
1807	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
1808		2548
1809	Returns the inventory of the object _and_ their inventories, recursively.	2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
1810		2551
1811	=cut	2552	=cut
1812		2553
1813	sub inv_recursive_;	2554	sub inv_recursive_;
1814	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
1817		2558
1818	sub inv_recursive {	2559	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
1820	}	2561	}
1821		2562
		2563	=item $ref = $ob->ref
		2564
		2565	Creates and returns a persistent reference to an object that can be stored as a string.
		2566
		2567	=item $ob = cf::object::deref ($refstring)
		2568
		2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2570	even if the object actually exists. May block.
		2571
		2572	=cut
		2573
		2574	sub deref {
		2575	my ($ref) = @_;
		2576
		2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2578	my ($uuid, $name) = ($1, $2);
		2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2580	or return;
		2581	$pl->ob->uuid eq $uuid
		2582	or return;
		2583
		2584	$pl->ob
		2585	} else {
		2586	warn "$ref: cannot resolve object reference\n";
		2587	undef
		2588	}
		2589	}
		2590
1822	package cf;	2591	package cf;
1823		2592
1824	=back	2593	=back
1825		2594
1826	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2601	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2602	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
1835		2604
1836	=cut	2605	=cut
		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
1837		2620
1838	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2622	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
1843		2626
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2627	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2628
1846	if ($self->{record_replies}) {	2629	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2630	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2631
1848	} else {	2632	} else {
		2633	my $pl = $self->contr;
		2634
		2635	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2636	my $dialog = $pl->{npc_dialog};
		2637	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2638
		2639	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2642	}
1851	}	2643	}
		2644	}
		2645
		2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2647
		2648	=cut
		2649
		2650	sub cf::object::send_msg {
		2651	my $pl = shift->contr
		2652	or return;
		2653	$pl->send_msg (@_);
1852	}	2654	}
1853		2655
1854	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
1855		2657
1856	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
1869		2671
1870	=item $player_object->enter_link	2672	=item $player_object->enter_link
1871		2673
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2675
1874	The player should be reasonably safe there for short amounts of time. You	2676	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
1876		2680
1877	Will never block.	2681	Will never block.
1878		2682
1879	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
1880		2684
…		…
1900	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2705	my ($self) = @_;
1902		2706
1903	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
1904		2708
		2709	++$self->{_link_recursion};
		2710
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2712
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2714	if $self->map && $self->map->{path} ne "{link}";
1909		2715
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2717	}
1912		2718
1913	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
1915		2721
…		…
1932	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
1934		2740
1935	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
1938		2744
1939	$map->load;	2745	$map->load;
1940	$map->load_diag;	2746	$map->load_neighbours;
1941		2747
1942	return unless $self->contr->active;	2748	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2749
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2751	if ($self->enter_map ($map, $x, $y)) {
1947	}	2752	# entering was successful
		2753	delete $self->{_link_recursion};
		2754	# only activate afterwards, to support waiting in hooks
		2755	$self->activate_recursive;
		2756	}
1948		2757
		2758	}
		2759
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2761
1951	Moves the player to the given map-path and coordinates by first freezing	2762	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2763	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2764	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2765	the new (success) or old (failed) map position. In either case, $done will
		2766	be called at the end of this process.
		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
1955		2770
1956	=cut	2771	=cut
1957		2772
1958	our $GOTOGEN;	2773	our $GOTOGEN;
1959		2774
1960	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
1962		2783
1963	# do generation counting so two concurrent goto's will be executed in-order	2784	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2786
1966	$self->enter_link;	2787	$self->enter_link;
1967		2788
1968	(async {	2789	(async {
		2790	$Coro::current->{desc} = "player::goto $path $x $y";
		2791
		2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
1969	my $map = eval {	2811	my $map = eval {
1970	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
1971		2813
1972	if ($map) {	2814	if ($map) {
1973	$map = $map->customise_for ($self);	2815	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2816	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2817	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2819	}
1978		2820
1979	$map	2821	$map
1980	};	2822	};
1981		2823
…		…
1986		2828
1987	if ($gen == $self->{_goto_generation}) {	2829	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2830	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
1990	}	2832	}
		2833
		2834	$done->($self) if $done;
1991	})->prio (1);	2835	})->prio (1);
1992	}	2836	}
1993		2837
1994	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
1995		2839
…		…
2015	}	2859	}
2016		2860
2017	sub prepare_random_map {	2861	sub prepare_random_map {
2018	my ($exit) = @_;	2862	my ($exit) = @_;
2019		2863
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2866	# that depends on the exit object
2025		2867
2026	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2870	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
2033	}	2877	}
2034		2878
2035	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
2036		2880
2037	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
2040		2884
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2887	undef $fh;
2044	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
2045		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
2048	}	2896	}
2049	}	2897	}
2050		2898
2051	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
2053		2901
2054	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
2055		2903
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2904	$self->enter_link;
2068		2905
2069	(async {	2906	(async {
2070	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
2071	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
		2916	prepare_random_map $exit
		2917	if $exit->slaying eq "/!";
		2918	}
		2919
		2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
		2923
2072	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
2073		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
2074	1;	2930	1
2075	}) {	2931	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2936
2081	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
2082	$self->leave_link;	2938	$self->leave_link;
2083	}	2939	}
2084	})->prio (1);	2940	})->prio (1);
2085	}	2941	}
2086		2942
…		…
2100		2956
2101	utf8::encode $text;	2957	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2959	}
2104		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
		2984	}
		2985
		2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2987
		2988	Send a drawinfo or msg packet to the client, formatting the msg for the
		2989	client if neccessary. C<$type> should be a string identifying the type of
		2990	the message, with C<log> being the default. If C<$color> is negative, suppress
		2991	the message unless the client supports the msg packet.
		2992
		2993	=cut
		2994
		2995	# non-persistent channels (usually the info channel)
		2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
		3003	"c/identify" => {
		3004	id => "infobox",
		3005	title => "Identify",
		3006	reply => undef,
		3007	tooltip => "Items recently identified",
		3008	},
		3009	"c/examine" => {
		3010	id => "infobox",
		3011	title => "Examine",
		3012	reply => undef,
		3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
		3107	);
		3108
		3109	sub cf::client::send_msg {
		3110	my ($self, $channel, $msg, $color, @extra) = @_;
		3111
		3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
		3114
		3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3116
		3117	# check predefined channels, for the benefit of C
		3118	if ($CHANNEL{$channel}) {
		3119	$channel = $CHANNEL{$channel};
		3120
		3121	$self->ext_msg (channel_info => $channel);
		3122	$channel = $channel->{id};
		3123
		3124	} elsif (ref $channel) {
		3125	# send meta info to client, if not yet sent
		3126	unless (exists $self->{channel}{$channel->{id}}) {
		3127	$self->{channel}{$channel->{id}} = $channel;
		3128	$self->ext_msg (channel_info => $channel);
		3129	}
		3130
		3131	$channel = $channel->{id};
		3132	}
		3133
		3134	return unless @extra || length $msg;
		3135
		3136	# default colour, mask it out
		3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3138	if $color & cf::NDI_DEF;
		3139
		3140	my $pkt = "msg "
		3141	. $self->{json_coder}->encode (
		3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3143	);
		3144
		3145	$self->send_big_packet ($pkt);
		3146	}
		3147
2105	=item $client->ext_event ($type, %msg)	3148	=item $client->ext_msg ($type, @msg)
2106		3149
2107	Sends an exti event to the client.	3150	Sends an ext event to the client.
2108		3151
2109	=cut	3152	=cut
2110		3153
2111	sub cf::client::ext_event($$%) {	3154	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3155	my ($self, $type, @msg) = @_;
2113		3156
		3157	if ($self->extcmd == 2) {
		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	3160	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		3172	my ($self, $id, @msg) = @_;
		3173
		3174	if ($self->extcmd == 2) {
		3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3176	} elsif ($self->extcmd == 1) {
		3177	#TODO: version 1, remove
		3178	unshift @msg, msgtype => "reply", msgid => $id;
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
2116	}	3181	}
2117		3182
2118	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
2119		3184
2120	Queues a query to the client, calling the given callback with	3185	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3186	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3187	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3188
2124	Queries can fail, so check the return code. Or don't, as queries will become	3189	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3190	become reliable at some point in the future.
2126		3191
2127	=cut	3192	=cut
2128		3193
2129	sub cf::client::query {	3194	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3195	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3203	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3204	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3205
2141	$self->send_packet ($self->{query_queue}[0][0])	3206	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3207	if @{ $self->{query_queue} } == 1;
		3208
		3209	1
2143	}	3210	}
2144		3211
2145	cf::client->attach (	3212	cf::client->attach (
		3213	on_connect => sub {
		3214	my ($ns) = @_;
		3215
		3216	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3217	},
2146	on_reply => sub {	3218	on_reply => sub {
2147	my ($ns, $msg) = @_;	3219	my ($ns, $msg) = @_;
2148		3220
2149	# this weird shuffling is so that direct followup queries	3221	# this weird shuffling is so that direct followup queries
2150	# get handled first	3222	# get handled first
…		…
2162	} else {	3234	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3235	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3236	}
2165	}	3237	}
2166	},	3238	},
		3239	on_exticmd => sub {
		3240	my ($ns, $buf) = @_;
		3241
		3242	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3243
		3244	if (ref $msg) {
		3245	my ($type, $reply, @payload) =
		3246	"ARRAY" eq ref $msg
		3247	? @$msg
		3248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3249
		3250	my @reply;
		3251
		3252	if (my $cb = $EXTICMD{$type}) {
		3253	@reply = $cb->($ns, @payload);
		3254	}
		3255
		3256	$ns->ext_reply ($reply, @reply)
		3257	if $reply;
		3258
		3259	} else {
		3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3261	}
		3262
		3263	cf::override;
		3264	},
2167	);	3265	);
2168		3266
2169	=item $client->async (\&cb)	3267	=item $client->async (\&cb)
2170		3268
2171	Create a new coroutine, running the specified callback. The coroutine will	3269	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3285
2188	$coro	3286	$coro
2189	}	3287	}
2190		3288
2191	cf::client->attach (	3289	cf::client->attach (
2192	on_destroy => sub {	3290	on_client_destroy => sub {
2193	my ($ns) = @_;	3291	my ($ns) = @_;
2194		3292
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3294	},
2197	);	3295	);
…		…
2212	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2214		3312
2215	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2216		3314
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2218		3320
2219	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2220		3322
2221	=pod	3323	=pod
2222		3324
2223	The following functions and methods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2224		3326
2225	cf::object contr pay_amount pay_player map	3327	cf::object
		3328	contr pay_amount pay_player map x y force_find force_add destroy
		3329	insert remove name archname title slaying race decrease split
		3330	value
		3331
2226	cf::object::player player	3332	cf::object::player
2227	cf::player peaceful	3333	player
2228	cf::map trigger	3334
		3335	cf::player
		3336	peaceful
		3337
		3338	cf::map
		3339	trigger
2229		3340
2230	=cut	3341	=cut
2231		3342
2232	for (	3343	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2237	) {	3350	) {
2238	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2241	for @funs;	3353	for @funs;
2242	}	3354	}
2243		3355
…		…
2258		3370
2259	my $qcode = $code;	3371	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2262		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2263	local $_;	3378	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3379
2266	my $eval =	3380	my $eval =
2267	"do {\n"	3381	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3384	. $code
2271	. "\n}"	3385	. "\n}"
2272	;	3386	;
2273		3387
		3388	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2277		3397
2278	if ($@) {	3398	if ($@) {
2279	warn "$@";	3399	warn "$@",
2280	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2281	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2282	}	3402	}
2283		3403
2284	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2285	}	3405	}
2286		3406
…		…
2300	=cut	3420	=cut
2301		3421
2302	sub register_script_function {	3422	sub register_script_function {
2303	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2304		3424
2305	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2307	}	3427	}
2308		3428
2309	=back	3429	=back
2310		3430
2311	=cut	3431	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3432
2485	#############################################################################	3433	#############################################################################
2486	# the server's init and main functions	3434	# the server's init and main functions
2487		3435
2488	sub load_facedata($) {	3436	sub load_facedata($) {
2489	my ($path) = @_;	3437	my ($path) = @_;
2490		3438
		3439	# HACK to clear player env face cache, we need some signal framework
		3440	# for this (global event?)
		3441	%ext::player_env::MUSIC_FACE_CACHE = ();
		3442
		3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3444
2491	warn "loading facedata from $path\n";	3445	trace "loading facedata from $path\n";
2492		3446
2493	my $facedata;	3447	my $facedata = decode_storable load_file $path;
2494	0 < aio_load $path, $facedata
2495	or die "$path: $!";
2496
2497	$facedata = Coro::Storable::thaw $facedata;
2498		3448
2499	$facedata->{version} == 2	3449	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3451
		3452	# patch in the exptable
		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3454	$facedata->{resource}{"res/exp_table"} = {
		3455	type => FT_RSRC,
		3456	data => $exp_table,
		3457	hash => (Digest::MD5::md5 $exp_table),
		3458	};
		3459	cf::cede_to_tick;
		3460
2502	{	3461	{
2503	my $faces = $facedata->{faceinfo};	3462	my $faces = $facedata->{faceinfo};
2504		3463
2505	while (my ($face, $info) = each %$faces) {	3464	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3466
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3467	cf::face::set_visibility $idx, $info->{visibility};
		3468	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3472
		3473	cf::cede_to_tick;
2511	}	3474	}
2512		3475
2513	while (my ($face, $info) = each %$faces) {	3476	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3477	next unless $info->{smooth};
		3478
2515	my $idx = cf::face::find $face	3479	my $idx = cf::face::find $face
2516	or next;	3480	or next;
		3481
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3482	if (my $smooth = cf::face::find $info->{smooth}) {
		3483	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3485	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3486	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3487	}
2522	Coro::cede;	3488
		3489	cf::cede_to_tick;
2523	}	3490	}
2524	}	3491	}
2525		3492
2526	{	3493	{
2527	my $anims = $facedata->{animinfo};	3494	my $anims = $facedata->{animinfo};
2528		3495
2529	while (my ($anim, $info) = each %$anims) {	3496	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3497	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3498	cf::cede_to_tick;
2532	}	3499	}
2533		3500
2534	cf::anim::invalidate_all; # d'oh	3501	cf::anim::invalidate_all; # d'oh
2535	}	3502	}
2536		3503
		3504	{
		3505	my $res = $facedata->{resource};
		3506
		3507	while (my ($name, $info) = each %$res) {
		3508	if (defined $info->{type}) {
		3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3510
		3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3512	cf::face::set_type $idx, $info->{type};
		3513	} else {
		3514	$RESOURCE{$name} = $info; # unused
		3515	}
		3516
		3517	cf::cede_to_tick;
		3518	}
		3519	}
		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3522
2537	1	3523	1
2538	}	3524	}
2539		3525
		3526	register_exticmd fx_want => sub {
		3527	my ($ns, $want) = @_;
		3528
		3529	while (my ($k, $v) = each %$want) {
		3530	$ns->fx_want ($k, $v);
		3531	}
		3532	};
		3533
		3534	sub load_resource_file($) {
		3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
		3543
2540	sub reload_regions {	3544	sub reload_regions {
		3545	# HACK to clear player env face cache, we need some signal framework
		3546	# for this (global event?)
		3547	%ext::player_env::MUSIC_FACE_CACHE = ();
		3548
2541	load_resource_file "$MAPDIR/regions"	3549	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3550	or die "unable to load regions file\n";
		3551
		3552	for (cf::region::list) {
		3553	$_->{match} = qr/$_->{match}/
		3554	if exists $_->{match};
		3555	}
2543	}	3556	}
2544		3557
2545	sub reload_facedata {	3558	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3559	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3560	or die "unable to load facedata\n";
…		…
2555	sub reload_treasures {	3568	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3569	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3570	or die "unable to load treasurelists\n";
2558	}	3571	}
2559		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
2560	sub reload_resources {	3593	sub reload_resources {
2561	warn "reloading resource files...\n";	3594	trace "reloading resource files...\n";
2562		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
2563	reload_regions;	3601	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3602	reload_treasures;
2567		3603
2568	warn "finished reloading resource files\n";	3604	trace "finished reloading resource files\n";
2569	}	3605	}
2570		3606
2571	sub init {	3607	sub reload_config {
2572	reload_resources;	3608	trace "reloading config file...\n";
2573	}
2574		3609
2575	sub cfg_load {	3610	my $config = load_file "$CONFDIR/config";
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3611	utf8::decode $config;
2577	or return;	3612	*CFG = decode_yaml $config;
2578		3613
2579	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;
2581
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3615
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3618
2587	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2591	};	3623	};
2592	warn $@ if $@;	3624	warn $@ if $@;
2593	}	3625	}
2594	}	3626	}
2595		3627
		3628	sub pidfile() {
		3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
		3654	}
		3655
2596	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
2597	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3669	(async {
2601	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2603	};	3673	};
2604		3674
2605	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
		3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
		3687	reload_config;
2606	db_init;	3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
2607	load_extensions;	3698	load_extensions;
2608		3699
2609	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
2611	}	3718	}
2612		3719
2613	#############################################################################	3720	#############################################################################
2614	# initialisation and cleanup	3721	# initialisation and cleanup
2615		3722
2616	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2617	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3727	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3728	cf::cleanup "SIG$signal";
2626	},
2627	);	3729	};
		3730	}
		3731	}
		3732
		3733	sub write_runtime_sync {
		3734	my $t0 = AE::time;
		3735
		3736	# first touch the runtime file to show we are still running:
		3737	# the fsync below can take a very very long time.
		3738
		3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3740
		3741	my $guard = cf::lock_acquire "write_runtime";
		3742
		3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3744	or return;
		3745
		3746	my $value = $cf::RUNTIME + 90 + 10;
		3747	# 10 is the runtime save interval, for a monotonic clock
		3748	# 60 allows for the watchdog to kill the server.
		3749
		3750	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3751	and return;
		3752
		3753	# always fsync - this file is important
		3754	aio_fsync $fh
		3755	and return;
		3756
		3757	# touch it again to show we are up-to-date
		3758	aio_utime $fh, undef, undef;
		3759
		3760	close $fh
		3761	or return;
		3762
		3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3764	and return;
		3765
		3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3767
2628	}	3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
2629	}	3819	}
2630		3820
2631	sub emergency_save() {	3821	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2633		3823
2634	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
2635		3830
2636	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2637	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3842	$pl->save;
2645	}	3843	}
2646	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2647		3845
2648	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3851	$map->valid or next;
2652	$map->save;	3852	$map->save;
2653	}	3853	}
2654	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
2655		3855
2656	warn "begin emergency database checkpoint\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3859	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
2659	};	3884	};
2660		3885
2661	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2662	}	3887	}
2663		3888
2664	sub post_cleanup {	3889	sub post_cleanup {
2665	my ($make_core) = @_;	3890	my ($make_core) = @_;
2666		3891
		3892	IO::AIO::flush;
		3893
2667	warn Carp::longmess "post_cleanup backtrace"	3894	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3895	if $make_core;
		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
2669	}	3924	}
2670		3925
2671	sub do_reload_perl() {	3926	sub do_reload_perl() {
2672	# can/must only be called in main	3927	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2674	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2675	return;	3930	return;
2676	}	3931	}
2677		3932
2678	warn "reloading...";	3933	return if $RELOAD++;
2679		3934
2680	warn "entering sync_job";	3935	my $t1 = AE::time;
2681		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
2682	cf::sync_job {	3943	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	3944	#cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		3945
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	3946	trace "perl_reload: cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	3948	%EXT_CORO = ();
2711		3949
2712	warn "removing commands";	3950	trace "perl_reload: removing commands";
2713	%COMMAND = ();	3951	%COMMAND = ();
2714		3952
2715	warn "removing ext commands";	3953	trace "perl_reload: removing ext/exti commands";
2716	%EXTCMD = ();	3954	%EXTCMD = ();
		3955	%EXTICMD = ();
2717		3956
2718	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
2721		3960
2722	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
2723	eval {	3962	eval {
2724	$cb->($pkg);	3963	$cb->($pkg);
2725	1	3964	1
2726	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
2727	}	3970	}
2728		3971
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3975
2737	warn "... unloading $k";	3976	trace "... unloading $k";
2738	delete $INC{$k};	3977	delete $INC{$k};
2739		3978
2740	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
2742		3981
2743	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
2745	}	3987	}
2746		3988
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3992
2754	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3996
2758	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3998	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
2761		4000
2762	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
2763		4002
2764	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
2765	require cf;	4004	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
2767		4006
2768	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
2769	cf::cfg_load;	4008	cf::reload_config;
2770		4009
2771	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
2772	cf::load_extensions;	4011	cf::load_extensions;
2773		4012
		4013	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	4015	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
2777	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	4018	trace "perl_reload: reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	4019	reattach $_ for values %PLAYER;
		4020	}
2780		4021
2781	warn "leaving sync_job";	4022	cf::_post_init 1;
2782		4023
		4024	trace "perl_reload: leaving sync_job";
		4025
2783	1	4026	1
2784	} or do {	4027	} or do {
2785	warn $@;	4028	error $@;
2786	warn "error while reloading, exiting.";	4029	cf::cleanup "perl_reload: error, exiting.";
2787	exit 1;	4030	};
		4031
		4032	--$RELOAD;
2788	};	4033	}
2789		4034
2790	warn "reloaded";	4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
2791	};	4037	};
2792		4038
2793	our $RELOAD_WATCHER; # used only during reload	4039	our $RELOAD_WATCHER; # used only during reload
2794		4040
2795	sub reload_perl() {	4041	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	4042	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	4043	# coro crashes during coro_state_free->destroy here.
2798		4044
2799	$RELOAD_WATCHER ||= Event->timer (	4045	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	4046	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	4047
2802	data => WF_AUTOCANCEL,	4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	4049	do_reload_perl;
2805	undef $RELOAD_WATCHER;	4050	undef $RELOAD_WATCHER;
2806	},	4051	};
2807	);	4052	};
2808	}	4053	}
2809		4054
2810	register_command "reload" => sub {	4055	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
2812		4057
2813	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
		4060	async {
		4061	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4062	reload_perl;
		4063	};
2816	}	4064	}
2817	};	4065	};
2818		4066
2819	unshift @INC, $LIBDIR;	4067	#############################################################################
2820		4068
2821	my $bug_warning = 0;	4069	my $bug_warning = 0;
2822		4070
2823	our @WAIT_FOR_TICK;	4071	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	4072	our @WAIT_FOR_TICK_BEGIN;
2825		4073
2826	sub wait_for_tick {	4074	sub wait_for_tick() {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829		4076
2830	my $signal = new Coro::Signal;	4077	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	4078	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	4079	$signal->wait;
2833	}	4080	}
2834		4081
2835	sub wait_for_tick_begin {	4082	sub wait_for_tick_begin() {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4084
2839	my $signal = new Coro::Signal;	4085	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4086	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4087	$signal->wait;
2842	}	4088	}
2843		4089
2844	my $min = 1e6;#d#	4090	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
2856	return;	4094	return;
2857	}	4095	}
2858		4096
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
2862		4098
2863	0 && sync_job {#d#	4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		4100
2869	$map->width (50);	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	4103	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	4104	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	4105	write_runtime_sync
2874		4106	or error "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4107	};
		4108	}
2885		4109
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4111	$sig->send;
2902	}	4112	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4113	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	4114	$sig->send;
2905	}	4115	}
2906		4116
2907	$NOW = Event::time;	4117	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4119
2918	_post_tick;	4120	if (0) {
2919		4121	if ($NEXT_TICK) {
2920		4122	my $jitter = $TICK_START - $NEXT_TICK;
		4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4124	debug "jitter $JITTER\n";#d#
		4125	}
2921	},	4126	}
2922	);	4127	}
2923		4128
2924	{	4129	{
2925	BDB::max_poll_time $TICK * 0.1;	4130	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4131
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4132	BDB::min_parallel 16;
2935		4133	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4134	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4135
2951	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4143
2954	cf::sync_job {	4144	cf::sync_job {
2955	eval {	4145	eval {
2956	BDB::db_env_open	4146	BDB::db_env_open
2957	$DB_ENV,	4147	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4151	0666;
2962		4152
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4153	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4154	};
2968		4155
2969	cf::cleanup "db_env_open(db): $@" if $@;	4156	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4157	};
2971	}	4158	}
		4159
		4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4162	};
		4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4165	};
		4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4168	};
2972	}	4169	}
2973		4170
2974	{	4171	{
		4172	# configure IO::AIO
		4173
2975	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4176	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4177	}
2988		4178
2989	my $_log_backtrace;	4179	our $_log_backtrace;
		4180	our $_log_backtrace_last;
2990		4181
2991	sub _log_backtrace {	4182	sub _log_backtrace {
2992	my ($msg, @addr) = @_;	4183	my ($msg, @addr) = @_;
2993		4184
2994	$msg =~ s/\n//;	4185	$msg =~ s/\n$//;
2995		4186
		4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2996	# limit the # of concurrent backtraces	4190	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
2998	++$_log_backtrace;	4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
2999	async {	4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
3000	my @bt = fork_call {	4198	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4199	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4202	or die "addr2line: $!";
…		…
3012	}	4210	}
3013		4211
3014	@funcs	4212	@funcs
3015	};	4213	};
3016		4214
3017	LOG llevInfo, "[ABT] $msg\n";	4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4217	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4218	--$_log_backtrace;
3020	};	4219	};
3021	} else {	4220	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4221	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3024	}	4223	}
3025	}	4224	}
3026		4225
3027	# load additional modules	4226	# load additional modules
3028	use cf::pod;	4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
3029		4229
3030	END { cf::emergency_save }	4230	END { cf::emergency_save }
3031		4231
3032	1	4232	1
3033		4233

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