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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		145
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
98		155
99	binmode STDOUT;	156	binmode STDOUT;
100	binmode STDERR;	157	binmode STDERR;
101		158
102	# read virtual server time, if available	159	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
107	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
108		167
109	mkdir $_	168	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		170
112	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
113		172
114	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		189
116	#############################################################################	190	#############################################################################
117		191
118	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
119		193
…		…
155		229
156	The raw value load value from the last tick.	230	The raw value load value from the last tick.
157		231
158	=item %cf::CFG	232	=item %cf::CFG
159		233
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	235	from wherever your confdir points to.
162		236
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		238
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
169	=back	260	=back
170		261
171	=cut	262	=cut
172		263
173	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	271	my $msg = join "", @_;
176		272
177	$msg .= "\n"	273	$msg .= "\n"
178	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
179		275
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		277
182	utf8::encode $msg;
183	LOG llevError, $msg;	278	LOG llevWarn, $msg;
184	};	279	};
185	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
186		294
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	305	for my $pkg (qw(
198	cf::global cf::attachable	306	cf::global cf::attachable
199	cf::object cf::object::player	307	cf::object cf::object::player
200	cf::client cf::player	308	cf::client cf::player
201	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
202	cf::map cf::party cf::region	311	cf::party cf::region
203	)) {	312	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	314	}
207		315
208	$Event::DIED = sub {	316	$EV::DIED = sub {
209	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
210	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		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";
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 || []};	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
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
948	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
949	cf::sync_job {	1482	cf::sync_job {
950	my %todo;	1483	my %todo;
951		1484
952	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1486	next unless -r $path;
…		…
967	path => $path,	1500	path => $path,
968	base => $base,	1501	base => $base,
969	pkg => $pkg,	1502	pkg => $pkg,
970	);	1503	);
971		1504
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1507
975	$ext{source} =	1508	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
978	. $source	1511	. $source
979	. "\n};\n1";	1512	. "\n};\n1";
980		1513
981	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
982	}	1515	}
983		1516
		1517	my $pass = 0;
984	my %done;	1518	my %done;
985	while (%todo) {	1519	while (%todo) {
986	my $progress;	1520	my $progress;
987		1521
		1522	++$pass;
		1523
		1524	ext:
988	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1527	next ext
991	unless exists $done{$_};	1528	unless exists $done{$_};
992	}	1529	}
993		1530
994	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1532
996	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1001	warn $msg;	1540
1002	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1542	delete $todo{$k};
1004	}	1543	} else {
1005		1544	$done{$k} = delete $todo{$k};
1006	die $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1007	}	1550	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1551	}
1012		1552
1013	skip:	1553	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1016	}	1563	}
1017	};	1564	};
1018	}	1565	}
1019		1566
1020	#############################################################################	1567	#############################################################################
1021		1568
		1569	=back
		1570
1022	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1023		1572
1024	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1025		1574
1026	=cut	1575	=cut
1027		1576
1028	package cf::player;	1577	package cf::player;
1029		1578
1030	use Coro::AIO;	1579	use Coro::AIO;
1031		1580
1032	=head3 cf::player	1581	=head3 cf::player
1033		1582
1034	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
1035		1598
1036	=item cf::player::find $login	1599	=item cf::player::find $login
1037		1600
1038	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1039		1602
…		…
1058		1621
1059	sub exists($) {	1622	sub exists($) {
1060	my ($login) = @_;	1623	my ($login) = @_;
1061		1624
1062	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1064	}	1627	}
1065		1628
1066	sub find($) {	1629	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1631	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1642
1080	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1083	}	1652	}
1084	}	1653	}
1085	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1086		1668
1087	sub save($) {	1669	sub save($) {
1088	my ($pl) = @_;	1670	my ($pl) = @_;
1089		1671
1090	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1095	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1096		1678
1097	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1099		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1100	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1101	Coro::cede;	1688	cf::cede_to_tick;
1102	}	1689	}
1103		1690
1104	sub new($) {	1691	sub new($) {
1105	my ($login) = @_;	1692	my ($login) = @_;
1106		1693
…		…
1112	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1113		1700
1114	$self	1701	$self
1115	}	1702	}
1116		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1117	=item $pl->quit_character	1714	=item $pl->quit_character
1118		1715
1119	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1121		1718
…		…
1125	my ($pl) = @_;	1722	my ($pl) = @_;
1126		1723
1127	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1128		1725
1129	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1728
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1133	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1135	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1136		1737
1137	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1139	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1174	or return [];	1775	or return [];
1175		1776
1176	my @logins;	1777	my @logins;
1177		1778
1178	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1182		1789
1183	utf8::decode $login;	1790	utf8::decode $login;
1184	push @logins, $login;	1791	push @logins, $login;
1185	}	1792	}
1186		1793
1187	\@logins	1794	\@logins
1188	}	1795	}
1189		1796
1190	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1191		1800
1192	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1193	player. May block.	1802	player. May block.
1194		1803
1195	=cut	1804	=cut
…		…
1213	}	1822	}
1214		1823
1215	\@paths	1824	\@paths
1216	}	1825	}
1217		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1218	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1219		1832
1220	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1221		1834
1222	=cut	1835	=cut
1223		1836
1224	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1226		1839
1227	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1841	}
1231		1842
1232	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1233		1844
1234	Sends an ext event to the client.	1845	Sends an ext event to the client.
1235		1846
1236	=cut	1847	=cut
1237		1848
1238	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1240		1851
1241	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1242	}	1853	}
1243		1854
1244	=head3 cf::region	1855	=head3 cf::region
1245		1856
1246	=over 4	1857	=over 4
…		…
1249		1860
1250	package cf::region;	1861	package cf::region;
1251		1862
1252	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1253		1864
1254	Tries to decuce the probable region for a map knowing only its path.	1865	Tries to decuce the likely region for a map knowing only its path.
1255		1866
1256	=cut	1867	=cut
1257		1868
1258	sub find_by_path($) {	1869	sub find_by_path($) {
1259	my ($path) = @_;	1870	my ($path) = @_;
1260		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1261	my ($match, $specificity);	1874	my ($match, $specificity);
1262		1875
1263	for my $region (list) {	1876	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1267	}	1880	}
1268	}	1881	}
1269		1882
…		…
1290	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1292		1905
1293	sub generate_random_map {	1906	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1295	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1296	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region}), $rmp->{custom}
1308	)
1309	}	1912	}
1310		1913
1311	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1312		1915
1313	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1318		1921
1319	sub register {	1922	sub register {
1320	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1321	my $pkg = caller;	1924	my $pkg = caller;
1322		1925
1323	no strict;
1324	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1325		1927
1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327	}	1929	}
1328		1930
1329	# also paths starting with '/'	1931	# also paths starting with '/'
1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1331		1933
1332	sub thawer_merge {	1934	sub thawer_merge {
1333	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1334		1936
1335	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1340	}	1942	}
1341		1943
1342	sub normalise {	1944	sub normalise {
1343	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1344		1946
1345	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1346		1948
1347	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1348		1950
1349	# map plan:	1951	# map plan:
1350	#	1952	#
…		…
1365	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1366	$path = "$base/$path";	1968	$path = "$base/$path";
1367	}	1969	}
1368		1970
1369	for ($path) {	1971	for ($path) {
1370	redo if s{//}{/};
1371	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1372	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1373	}	1974	}
1374		1975
1375	$path	1976	$path
…		…
1389	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1390	return $self;	1991	return $self;
1391	}	1992	}
1392	}	1993	}
1393		1994
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1395	()	1996	()
1396	}	1997	}
1397		1998
		1999	# may re-bless or do other evil things
1398	sub init {	2000	sub init {
1399	my ($self) = @_;	2001	my ($self) = @_;
1400		2002
1401	$self	2003	$self
1402	}	2004	}
…		…
1421		2023
1422	# the temporary/swap location	2024	# the temporary/swap location
1423	sub save_path {	2025	sub save_path {
1424	my ($self) = @_;	2026	my ($self) = @_;
1425		2027
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1428	}	2030	}
1429		2031
1430	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1431	sub uniq_path {	2033	sub uniq_path {
1432	my ($self) = @_;	2034	my ($self) = @_;
1433		2035
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	2038	}
1446		2039
1447	sub decay_objects {	2040	sub decay_objects {
1448	my ($self) = @_;	2041	my ($self) = @_;
1449		2042
…		…
1462		2055
1463	sub load_header_from($) {	2056	sub load_header_from($) {
1464	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1465		2058
1466	utf8::encode $path;	2059	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	2061	or return;
1472		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1473	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1474		2070
1475	1	2071	1
1476	}	2072	}
1477		2073
		2074	# used to laod the header of an original map
1478	sub load_header_orig {	2075	sub load_header_orig {
1479	my ($self) = @_;	2076	my ($self) = @_;
1480		2077
1481	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1482	}	2079	}
1483		2080
		2081	# used to laod the header of an instantiated map
1484	sub load_header_temp {	2082	sub load_header_temp {
1485	my ($self) = @_;	2083	my ($self) = @_;
1486		2084
1487	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1488	}	2086	}
1489		2087
		2088	# called after loading the header from an instantiated map
1490	sub prepare_temp {	2089	sub prepare_temp {
1491	my ($self) = @_;	2090	my ($self) = @_;
1492		2091
1493	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1494	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1495	# safety	2094	# safety
1496	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1497	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1498	}	2097	}
1499		2098
		2099	# called after loading the header from an original map
1500	sub prepare_orig {	2100	sub prepare_orig {
1501	my ($self) = @_;	2101	my ($self) = @_;
1502		2102
1503	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1504	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1528		2128
1529	sub find;	2129	sub find;
1530	sub find {	2130	sub find {
1531	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1532		2132
		2133	cf::cede_to_tick;
		2134
1533	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1534		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2139
1537	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1540	or return;	2142	or return;
1541		2143
1542	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1543		2145
…		…
1545	or return;	2147	or return;
1546		2148
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1550	$map->reset;	2154	$map->reset;
1551	undef $guard;
1552	return find $path;	2155	return find $path;
1553	}	2156	}
1554		2157
1555	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1556	}	2159	}
1557	}	2160	}
1558		2161
1559	sub pre_load { }	2162	sub pre_load { }
1560	sub post_load { }	2163	#sub post_load { } # XS
1561		2164
1562	sub load {	2165	sub load {
1563	my ($self) = @_;	2166	my ($self) = @_;
1564		2167
1565	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1566		2169
1567	my $path = $self->{path};	2170	my $path = $self->{path};
1568		2171
1569	{	2172	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1571		2174
		2175	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2177
1574	$self->in_memory (cf::MAP_LOADING);	2178	$self->in_memory (cf::MAP_LOADING);
1575		2179
1576	$self->alloc;	2180	$self->alloc;
1577		2181
1578	$self->pre_load;	2182	$self->pre_load;
1579	Coro::cede;	2183	cf::cede_to_tick;
1580		2184
1581	$self->_load_objects ($self->{load_path}, 1)	2185	if (exists $self->{load_path}) {
		2186	my $f = new_from_file cf::object::thawer $self->{load_path};
		2187	$f->skip_block;
		2188	$self->_load_objects ($f)
1582	or return;	2189	or return;
1583		2190
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1585	if delete $self->{load_original};	2192	if delete $self->{load_original};
1586		2193
1587	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2195	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2196	unless (aio_stat $uniq) {
		2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2198	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2199	$self->_load_objects ($f);
		2200	$f->resolve_delayed_derefs;
		2201	}
		2202	}
1592	}	2203	}
1593	}
1594		2204
1595	Coro::cede;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
		2210
		2211	cf::cede_to_tick;
1596	# now do the right thing for maps	2212	# now do the right thing for maps
1597	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2215	unless $self->difficulty;
1600	Coro::cede;	2216	cf::cede_to_tick;
1601		2217
1602	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2219	$self->decay_objects;
1604	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1605	$self->update_buttons;	2221	$self->update_buttons;
1606	Coro::cede;	2222	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2223	$self->activate;
1610	}	2224	}
1611		2225
		2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
		2228
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2230	}
1614		2231
1615	$self->post_load;	2232	$self->post_load;
1616	}
1617		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2240	sub customise_for {
1619	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1620		2242
1621	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2244	if $self->per_player;
…		…
1626		2248
1627	$self	2249	$self
1628	}	2250	}
1629		2251
1630	# find and load all maps in the 3x3 area around a map	2252	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2253	sub load_neighbours {
1632	my ($map) = @_;	2254	my ($map) = @_;
1633		2255
1634	my @diag; # diagonal neighbours	2256	my @neigh; # diagonal neighbours
1635		2257
1636	for (0 .. 3) {	2258	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2259	my $neigh = $map->tile_path ($_)
1638	or next;	2260	or next;
1639	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1640	or next;	2262	or next;
1641	$neigh->load;	2263	$neigh->load;
1642		2264
		2265	# now find the diagonal neighbours
		2266	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2269	}
1646		2270
1647	for (@diag) {	2271	for (grep defined $_->[0], @neigh) {
		2272	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2273	my $neigh = find $path, $origin
1649	or next;	2274	or next;
1650	$neigh->load;	2275	$neigh->load;
1651	}	2276	}
1652	}	2277	}
1653		2278
1654	sub find_sync {	2279	sub find_sync {
1655	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
1656		2281
1657	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
1658	}	2286	}
1659		2287
1660	sub do_load_sync {	2288	sub do_load_sync {
1661	my ($map) = @_;	2289	my ($map) = @_;
1662		2290
1663	cf::sync_job { $map->load };	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1664	}	2295	}
1665		2296
1666	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1668		2299
1669	sub find_async {	2300	sub find_async {
1670	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1671		2302
1672	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1673		2304
1674	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2307	}
1677		2308
1678	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1679	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1680	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2316	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2317	$map->load if $v;
		2318	}
1685		2319
1686	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1687	}	2321	}
1688	}	2322	}
1689	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1690	};	2324	};
1691	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1692		2326
1693	()	2327	()
1694	}	2328	}
1695		2329
		2330	# common code, used by both ->save and ->swapout
1696	sub save {	2331	sub _save {
1697	my ($self) = @_;	2332	my ($self) = @_;
1698
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;
1700		2333
1701	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1702		2335
1703	return unless $self->dirty;	2336	return unless $self->dirty;
1704		2337
…		…
1710	return if $self->{deny_save};	2343	return if $self->{deny_save};
1711		2344
1712	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1713		2346
1714	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1716	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1717		2353
1718	if ($uniq) {	2354	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2357	} else {
1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1723	}	2359	}
1724	}	2360	}
1725		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1726	sub swap_out {	2370	sub swap_out {
1727	my ($self) = @_;	2371	my ($self) = @_;
1728		2372
1729	# save first because save cedes
1730	$self->save;
1731
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
1734	return if $self->players;	2377	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};
1737		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1738	$self->clear;	2388	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2389	}
1741		2390
1742	sub reset_at {	2391	sub reset_at {
1743	my ($self) = @_;	2392	my ($self) = @_;
1744		2393
…		…
1762		2411
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2413
1765	return if $self->players;	2414	return if $self->players;
1766		2415
1767	warn "resetting map ", $self->path;	2416	cf::trace "resetting map ", $self->path, "\n";
1768		2417
1769	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
1770		2419
1771	# need to save uniques path	2420	# need to save uniques path
1772	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2425	if $uniq;
1777	}	2426	}
1778		2427
1779	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1780		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2432	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2433
1785	$self->unlink_save;	2434	$self->unlink_save;
1786	$self->destroy;	2435	$self->destroy;
1787	}	2436	}
1788		2437
1789	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1790		2439
1791	sub nuke {	2440	sub nuke {
1792	my ($self) = @_;	2441	my ($self) = @_;
1793		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1794	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1795		2447
1796	$self->unlink_save;	2448	$self->unlink_save;
1797		2449
1798	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1799	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2455
1804	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1805		2458
1806	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
1807	}	2460	}
1808		2461
1809	=item $maps = cf::map::tmp_maps	2462	=item $maps = cf::map::tmp_maps
…		…
1851		2504
1852	sub unique_maps() {	2505	sub unique_maps() {
1853	[	2506	[
1854	map {	2507	map {
1855	utf8::decode $_;	2508	utf8::decode $_;
1856	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
1857	? normalise $_	2512	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2514	]
1861	}	2515	}
1862		2516
1863	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
1864		2548
1865	=back	2549	=back
1866		2550
1867	=head3 cf::object	2551	=head3 cf::object
1868		2552
…		…
1872		2556
1873	=over 4	2557	=over 4
1874		2558
1875	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1876		2560
1877	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
1878		2563
1879	=cut	2564	=cut
1880		2565
1881	sub inv_recursive_;	2566	sub inv_recursive_;
1882	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1885		2570
1886	sub inv_recursive {	2571	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1888	}	2573	}
1889		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
1890	package cf;	2603	package cf;
1891		2604
1892	=back	2605	=back
1893		2606
1894	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1903		2616
1904	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
1905		2632
1906	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2634	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1911		2638
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2640
1914	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1916	} else {	2644	} else {
		2645	my $pl = $self->contr;
		2646
		2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2648	my $dialog = $pl->{npc_dialog};
		2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2650
		2651	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1919	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
1920	}	2666	}
1921		2667
1922	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1923		2669
1924	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1937		2683
1938	=item $player_object->enter_link	2684	=item $player_object->enter_link
1939		2685
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2687
1942	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
1944		2692
1945	Will never block.	2693	Will never block.
1946		2694
1947	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1948		2696
…		…
1968	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1969	my ($self) = @_;	2717	my ($self) = @_;
1970		2718
1971	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1972		2720
		2721	++$self->{_link_recursion};
		2722
1973	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1974		2724
1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1976	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
1977		2727
1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1979	}	2729	}
1980		2730
1981	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1982	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
1983		2733
…		…
2000	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2002		2752
2003	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2006		2756
2007	$map->load;	2757	$map->load;
2008	$map->load_diag;	2758	$map->load_neighbours;
2009		2759
2010	return unless $self->contr->active;	2760	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2761
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2015	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2016		2769
		2770	}
		2771
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2018		2773
2019	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2776	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
2023		2782
2024	=cut	2783	=cut
2025		2784
2026	our $GOTOGEN;	2785	our $GOTOGEN;
2027		2786
2028	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
2030		2795
2031	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2798
2034	$self->enter_link;	2799	$self->enter_link;
2035		2800
2036	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
2037	my $map = eval {	2823	my $map = eval {
2038	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2039		2825
2040	if ($map) {	2826	if ($map) {
2041	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2043	} else {	2829	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2831	}
2046		2832
2047	$map	2833	$map
2048	};	2834	};
2049		2835
…		…
2054		2840
2055	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2058	}	2844	}
		2845
		2846	$done->($self) if $done;
2059	})->prio (1);	2847	})->prio (1);
2060	}	2848	}
2061		2849
2062	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2063		2851
…		…
2083	}	2871	}
2084		2872
2085	sub prepare_random_map {	2873	sub prepare_random_map {
2086	my ($exit) = @_;	2874	my ($exit) = @_;
2087		2875
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2878	# that depends on the exit object
2093		2879
2094	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2882	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2101	}	2889	}
2102		2890
2103	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2104		2892
2105	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2108		2896
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2899	undef $fh;
2112	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2113		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2116	}	2908	}
2117	}	2909	}
2118		2910
2119	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2121		2913
2122	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2123		2915
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2916	$self->enter_link;
2136		2917
2137	(async {	2918	(async {
2138	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2139	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
2140	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2141		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
2142	1;	2955	1
2143	}) {	2956	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2961
2149	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2150	$self->leave_link;	2963	$self->leave_link;
2151	}	2964	}
2152	})->prio (1);	2965	})->prio (1);
2153	}	2966	}
2154		2967
…		…
2168		2981
2169	utf8::encode $text;	2982	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2984	}
2172		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
		3009	}
		3010
		3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3012
		3013	Send a drawinfo or msg packet to the client, formatting the msg for the
		3014	client if neccessary. C<$type> should be a string identifying the type of
		3015	the message, with C<log> being the default. If C<$color> is negative, suppress
		3016	the message unless the client supports the msg packet.
		3017
		3018	=cut
		3019
		3020	# non-persistent channels (usually the info channel)
		3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
		3028	"c/identify" => {
		3029	id => "infobox",
		3030	title => "Identify",
		3031	reply => undef,
		3032	tooltip => "Items recently identified",
		3033	},
		3034	"c/examine" => {
		3035	id => "infobox",
		3036	title => "Examine",
		3037	reply => undef,
		3038	tooltip => "Signs and other items you examined",
		3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
		3052	"c/lookat" => {
		3053	id => "infobox",
		3054	title => "Look",
		3055	reply => undef,
		3056	tooltip => "What you saw there",
		3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
		3132	);
		3133
		3134	sub cf::client::send_msg {
		3135	my ($self, $channel, $msg, $color, @extra) = @_;
		3136
		3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
		3139
		3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3141
		3142	# check predefined channels, for the benefit of C
		3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
		3149	} elsif (ref $channel) {
		3150	# send meta info to client, if not yet sent
		3151	unless (exists $self->{channel}{$channel->{id}}) {
		3152	$self->{channel}{$channel->{id}} = $channel;
		3153	$self->ext_msg (channel_info => $channel);
		3154	}
		3155
		3156	$channel = $channel->{id};
		3157	}
		3158
		3159	return unless @extra || length $msg;
		3160
		3161	# default colour, mask it out
		3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3163	if $color & cf::NDI_DEF;
		3164
		3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
		3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3168	);
		3169
		3170	$self->send_big_packet ($pkt);
		3171	}
		3172
2173	=item $client->ext_event ($type, %msg)	3173	=item $client->ext_msg ($type, @msg)
2174		3174
2175	Sends an exti event to the client.	3175	Sends an ext event to the client.
2176		3176
2177	=cut	3177	=cut
2178		3178
2179	sub cf::client::ext_event($$%) {	3179	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3180	my ($self, $type, @msg) = @_;
2181		3181
		3182	if ($self->extcmd == 2) {
		3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3184	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3185	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3187	}
		3188	}
		3189
		3190	=item $client->ext_reply ($msgid, @msg)
		3191
		3192	Sends an ext reply to the client.
		3193
		3194	=cut
		3195
		3196	sub cf::client::ext_reply($$@) {
		3197	my ($self, $id, @msg) = @_;
		3198
		3199	if ($self->extcmd == 2) {
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3201	} elsif ($self->extcmd == 1) {
		3202	#TODO: version 1, remove
		3203	unshift @msg, msgtype => "reply", msgid => $id;
		3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3205	}
2184	}	3206	}
2185		3207
2186	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2187		3209
2188	Queues a query to the client, calling the given callback with	3210	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3211	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3212	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3213
2192	Queries can fail, so check the return code. Or don't, as queries will become	3214	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3215	become reliable at some point in the future.
2194		3216
2195	=cut	3217	=cut
2196		3218
2197	sub cf::client::query {	3219	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3220	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3228	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3229	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3230
2209	$self->send_packet ($self->{query_queue}[0][0])	3231	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3232	if @{ $self->{query_queue} } == 1;
		3233
		3234	1
2211	}	3235	}
2212		3236
2213	cf::client->attach (	3237	cf::client->attach (
		3238	on_connect => sub {
		3239	my ($ns) = @_;
		3240
		3241	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3242	},
2214	on_reply => sub {	3243	on_reply => sub {
2215	my ($ns, $msg) = @_;	3244	my ($ns, $msg) = @_;
2216		3245
2217	# this weird shuffling is so that direct followup queries	3246	# this weird shuffling is so that direct followup queries
2218	# get handled first	3247	# get handled first
…		…
2230	} else {	3259	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3260	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3261	}
2233	}	3262	}
2234	},	3263	},
		3264	on_exticmd => sub {
		3265	my ($ns, $buf) = @_;
		3266
		3267	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3268
		3269	if (ref $msg) {
		3270	my ($type, $reply, @payload) =
		3271	"ARRAY" eq ref $msg
		3272	? @$msg
		3273	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3274
		3275	my @reply;
		3276
		3277	if (my $cb = $EXTICMD{$type}) {
		3278	@reply = $cb->($ns, @payload);
		3279	}
		3280
		3281	$ns->ext_reply ($reply, @reply)
		3282	if $reply;
		3283
		3284	} else {
		3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3286	}
		3287
		3288	cf::override;
		3289	},
2235	);	3290	);
2236		3291
2237	=item $client->async (\&cb)	3292	=item $client->async (\&cb)
2238		3293
2239	Create a new coroutine, running the specified callback. The coroutine will	3294	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3310
2256	$coro	3311	$coro
2257	}	3312	}
2258		3313
2259	cf::client->attach (	3314	cf::client->attach (
2260	on_destroy => sub {	3315	on_client_destroy => sub {
2261	my ($ns) = @_;	3316	my ($ns) = @_;
2262		3317
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3319	},
2265	);	3320	);
…		…
2280	our $safe = new Safe "safe";	3335	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2282		3337
2283	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2284		3339
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3340	$safe->permit_only (Opcode::opset qw(
		3341	:base_core :base_mem :base_orig :base_math :base_loop
		3342	grepstart grepwhile mapstart mapwhile
		3343	sort time
		3344	));
2286		3345
2287	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
2288		3347
2289	=pod	3348	=pod
2290		3349
2291	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2292		3351
2293	cf::object contr pay_amount pay_player map	3352	cf::object
		3353	contr pay_amount pay_player map x y force_find force_add destroy
		3354	insert remove name archname title slaying race decrease split
		3355	value
		3356
2294	cf::object::player player	3357	cf::object::player
2295	cf::player peaceful	3358	player
2296	cf::map trigger	3359
		3360	cf::player
		3361	peaceful
		3362
		3363	cf::map
		3364	trigger
2297		3365
2298	=cut	3366	=cut
2299		3367
2300	for (	3368	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3370	insert remove inv nrof name archname title slaying race
		3371	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2305	) {	3375	) {
2306	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2309	for @funs;	3378	for @funs;
2310	}	3379	}
2311		3380
…		…
2326		3395
2327	my $qcode = $code;	3396	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2330		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2331	local $_;	3403	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3404
2334	my $eval =	3405	my $eval =
2335	"do {\n"	3406	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3409	. $code
2339	. "\n}"	3410	. "\n}"
2340	;	3411	;
2341		3412
		3413	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2345		3422
2346	if ($@) {	3423	if ($@) {
2347	warn "$@";	3424	warn "$@",
2348	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2349	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2350	}	3427	}
2351		3428
2352	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2353	}	3430	}
2354		3431
…		…
2368	=cut	3445	=cut
2369		3446
2370	sub register_script_function {	3447	sub register_script_function {
2371	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2372		3449
2373	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2375	}	3452	}
2376		3453
2377	=back	3454	=back
2378		3455
2379	=cut	3456	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3457
2553	#############################################################################	3458	#############################################################################
2554	# the server's init and main functions	3459	# the server's init and main functions
2555		3460
2556	sub load_facedata($) {	3461	sub load_facedata($) {
2557	my ($path) = @_;	3462	my ($path) = @_;
2558		3463
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3469
2559	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2560		3471
2561	my $facedata;	3472	my $facedata = decode_storable load_file $path;
2562	0 < aio_load $path, $facedata
2563	or die "$path: $!";
2564
2565	$facedata = Coro::Storable::thaw $facedata;
2566		3473
2567	$facedata->{version} == 2	3474	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3476
		3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3479	$facedata->{resource}{"res/exp_table"} = {
		3480	type => FT_RSRC,
		3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
		3483	};
		3484	cf::cede_to_tick;
		3485
2570	{	3486	{
2571	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
2572		3488
2573	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3492	cf::face::set_visibility $idx, $info->{visibility};
		3493	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3497
		3498	cf::cede_to_tick;
2579	}	3499	}
2580		3500
2581	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
2583	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
2584	or next;	3505	or next;
		3506
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
		3508	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3510	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3512	}
2590	Coro::cede;	3513
		3514	cf::cede_to_tick;
2591	}	3515	}
2592	}	3516	}
2593		3517
2594	{	3518	{
2595	my $anims = $facedata->{animinfo};	3519	my $anims = $facedata->{animinfo};
2596		3520
2597	while (my ($anim, $info) = each %$anims) {	3521	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3522	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3523	cf::cede_to_tick;
2600	}	3524	}
2601		3525
2602	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
2603	}	3527	}
2604		3528
		3529	{
		3530	my $res = $facedata->{resource};
		3531
		3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
		3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3535
		3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3537	cf::face::set_type $idx, $info->{type};
		3538	} else {
		3539	$RESOURCE{$name} = $info; # unused
		3540	}
		3541
		3542	cf::cede_to_tick;
		3543	}
		3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3547
2605	1	3548	1
2606	}	3549	}
2607		3550
		3551	register_exticmd fx_want => sub {
		3552	my ($ns, $want) = @_;
		3553
		3554	while (my ($k, $v) = each %$want) {
		3555	$ns->fx_want ($k, $v);
		3556	}
		3557	};
		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
		3568
2608	sub reload_regions {	3569	sub reload_regions {
		3570	# HACK to clear player env face cache, we need some signal framework
		3571	# for this (global event?)
		3572	%ext::player_env::MUSIC_FACE_CACHE = ();
		3573
2609	load_resource_file "$MAPDIR/regions"	3574	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3575	or die "unable to load regions file\n";
		3576
		3577	for (cf::region::list) {
		3578	$_->{match} = qr/$_->{match}/
		3579	if exists $_->{match};
		3580	}
2611	}	3581	}
2612		3582
2613	sub reload_facedata {	3583	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3584	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3585	or die "unable to load facedata\n";
…		…
2623	sub reload_treasures {	3593	sub reload_treasures {
2624	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
2625	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
2626	}	3596	}
2627		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
2628	sub reload_resources {	3618	sub reload_resources {
2629	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
2630		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
2631	reload_regions;	3626	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3627	reload_treasures;
2636		3628
2637	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
2638	}	3630	}
2639		3631
2640	sub init {	3632	sub reload_config {
2641	reload_resources;	3633	trace "reloading config file...\n";
2642	}
2643		3634
2644	sub cfg_load {	3635	my $config = load_file "$CONFDIR/config";
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3636	utf8::decode $config;
2646	or return;	3637	*CFG = decode_yaml $config;
2647		3638
2648	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;
2650
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2652		3640
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2655		3643
2656	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
2660	};	3648	};
2661	warn $@ if $@;	3649	warn $@ if $@;
2662	}	3650	}
2663	}	3651	}
2664		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
2665	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
2666	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3694	(async {
2670	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
2672	};	3698	};
2673		3699
2674	cfg_load;	3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
		3712	reload_config;
2675	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
2676	load_extensions;	3723	load_extensions;
2677		3724
2678	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
2680	}	3743	}
2681		3744
2682	#############################################################################	3745	#############################################################################
2683	# initialisation and cleanup	3746	# initialisation and cleanup
2684		3747
2685	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
2686	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
2695	},
2696	);	3754	};
		3755	}
		3756	}
		3757
		3758	sub write_runtime_sync {
		3759	my $t0 = AE::time;
		3760
		3761	# first touch the runtime file to show we are still running:
		3762	# the fsync below can take a very very long time.
		3763
		3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3765
		3766	my $guard = cf::lock_acquire "write_runtime";
		3767
		3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3769	or return;
		3770
		3771	my $value = $cf::RUNTIME + 90 + 10;
		3772	# 10 is the runtime save interval, for a monotonic clock
		3773	# 60 allows for the watchdog to kill the server.
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	# touch it again to show we are up-to-date
		3783	aio_utime $fh, undef, undef;
		3784
		3785	close $fh
		3786	or return;
		3787
		3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3789	and return;
		3790
		3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3792
2697	}	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
2698	}	3844	}
2699		3845
2700	sub emergency_save() {	3846	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
2702		3848
2703	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
2704		3855
2705	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
2706	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3867	$pl->save;
2714	}	3868	}
2715	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
2716		3870
2717	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3876	$map->valid or next;
2721	$map->save;	3877	$map->save;
2722	}	3878	}
2723	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
2724		3880
2725	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
2728	};	3909	};
2729		3910
2730	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
2731	}	3912	}
2732		3913
2733	sub post_cleanup {	3914	sub post_cleanup {
2734	my ($make_core) = @_;	3915	my ($make_core) = @_;
2735		3916
		3917	IO::AIO::flush;
		3918
2736	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
2738	}	3949	}
2739		3950
2740	sub do_reload_perl() {	3951	sub do_reload_perl() {
2741	# can/must only be called in main	3952	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
2743	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
2744	return;	3955	return;
2745	}	3956	}
2746		3957
2747	warn "reloading...";	3958	return if $RELOAD++;
2748		3959
2749	warn "entering sync_job";	3960	my $t1 = AE::time;
2750		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
2751	cf::sync_job {	3968	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	3969	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		3970
2756	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;
2758
2759	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	3973	%EXT_CORO = ();
2780		3974
2781	warn "removing commands";	3975	trace "perl_reload: removing commands";
2782	%COMMAND = ();	3976	%COMMAND = ();
2783		3977
2784	warn "removing ext commands";	3978	trace "perl_reload: removing ext/exti commands";
2785	%EXTCMD = ();	3979	%EXTCMD = ();
		3980	%EXTICMD = ();
2786		3981
2787	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
2790		3985
2791	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
2792	eval {	3987	eval {
2793	$cb->($pkg);	3988	$cb->($pkg);
2794	1	3989	1
2795	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
2796	}	3995	}
2797		3996
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		4000
2806	warn "... unloading $k";	4001	trace "... unloading $k";
2807	delete $INC{$k};	4002	delete $INC{$k};
2808		4003
2809	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
2811		4006
2812	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
2814	}	4012	}
2815		4013
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		4017
2823	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		4021
2827	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
2828	# and global variables created in xs	4023	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
2830		4025
2831	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
2832		4027
2833	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
2834	require cf;	4029	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
2836		4031
2837	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
2838	cf::cfg_load;	4033	cf::reload_config;
2839		4034
2840	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
2841	cf::load_extensions;	4036	cf::load_extensions;
2842		4037
		4038	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
2846	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
2849		4046
2850	warn "leaving sync_job";	4047	cf::_post_init 1;
2851		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
2852	1	4051	1
2853	} or do {	4052	} or do {
2854	warn $@;	4053	error $@;
2855	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
2856	exit 1;	4055	};
		4056
		4057	--$RELOAD;
2857	};	4058	}
2858		4059
2859	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
2860	};	4062	};
2861		4063
2862	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
2863		4065
2864	sub reload_perl() {	4066	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
2867		4069
2868	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	4072
2871	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	4074	do_reload_perl;
2874	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
2875	},	4076	};
2876	);	4077	};
2877	}	4078	}
2878		4079
2879	register_command "reload" => sub {	4080	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
2881		4082
2882	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
		4085	async {
		4086	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4087	reload_perl;
		4088	};
2885	}	4089	}
2886	};	4090	};
2887		4091
2888	unshift @INC, $LIBDIR;	4092	#############################################################################
2889		4093
2890	my $bug_warning = 0;	4094	my $bug_warning = 0;
2891		4095
2892	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
2894		4098
2895	sub wait_for_tick {	4099	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		4101
2899	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	4104	$signal->wait;
2902	}	4105	}
2903		4106
2904	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		4109
2908	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4112	$signal->wait;
2911	}	4113	}
2912		4114
2913	my $min = 1e6;#d#	4115	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
2925	return;	4119	return;
2926	}	4120	}
2927		4121
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
2931		4123
2932	0 && sync_job {#d#	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		4125
2938	$map->width (50);	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4128	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4129	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4130	write_runtime_sync
2943		4131	or error "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4132	};
		4133	}
2954		4134
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4136	$sig->send;
2971	}	4137	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4139	$sig->send;
2974	}	4140	}
2975		4141
2976	$NOW = Event::time;	4142	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4144
2987	_post_tick;	4145	if (0) {
2988		4146	if ($NEXT_TICK) {
2989		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
2990	},	4151	}
2991	);	4152	}
2992		4153
2993	{	4154	{
2994	BDB::max_poll_time $TICK * 0.1;	4155	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4156
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
3004		4158	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4159	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4160
3020	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
		4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4168
3023	cf::sync_job {	4169	cf::sync_job {
3024	eval {	4170	eval {
3025	BDB::db_env_open	4171	BDB::db_env_open
3026	$DB_ENV,	4172	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4174	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4176	0666;
3031		4177
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4179	};
3037		4180
3038	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4182	};
3040	}	4183	}
		4184
		4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4187	};
		4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4190	};
		4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4193	};
3041	}	4194	}
3042		4195
3043	{	4196	{
		4197	# configure IO::AIO
		4198
3044	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4202	}
3057		4203
3058	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
3059		4206
3060	sub _log_backtrace {	4207	sub _log_backtrace {
3061	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
3062		4209
3063	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
3064		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3065	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
3067	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
3068	async {	4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
3069	my @bt = fork_call {	4223	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4226	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4227	or die "addr2line: $!";
…		…
3081	}	4235	}
3082		4236
3083	@funcs	4237	@funcs
3084	};	4238	};
3085		4239
3086	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4243	--$_log_backtrace;
3089	};	4244	};
3090	} else {	4245	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3093	}	4248	}
3094	}	4249	}
3095		4250
3096	# load additional modules	4251	# load additional modules
3097	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3098		4254
3099	END { cf::emergency_save }	4255	END { cf::emergency_save }
3100		4256
3101	1	4257	1
3102		4258

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