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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.565 by root, Sat Apr 30 05:41:17 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';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		302
194	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	304	# within the Safe compartment.
196	for my $pkg (qw(	305	for my $pkg (qw(
197	cf::global cf::attachable	306	cf::global cf::attachable
198	cf::object cf::object::player	307	cf::object cf::object::player
199	cf::client cf::player	308	cf::client cf::player
200	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
201	cf::map cf::party cf::region	311	cf::party cf::region
202	)) {	312	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	314	}
206		315
207	$Event::DIED = sub {	316	$EV::DIED = sub {
208	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
209	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
210		326
211	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
212		328
213	=over 4	329	=over 4
214		330
…		…
233	$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;
234	$d	350	$d
235	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
236	}	352	}
237		353
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
239		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
240	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
241		369
242	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
243		371
244	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
245		373
246	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	445	=item cf::lock_wait $string
249		446
250	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
251		448
252	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
253		450
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
257	returned.	454	returned.
258		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
259	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
260	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
261		461
262	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
263		463
264	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.
265		465
266	=cut	466	=cut
267		467
268	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
269		469
270	sub lock_wait($) {	470	sub lock_wait($) {
271	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	472	}
279		473
280	sub lock_acquire($) {	474	sub lock_acquire($) {
281	my ($key) = @_;	475	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	476	}
293		477
294	sub lock_active($) {	478	sub lock_active($) {
295	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	480	}
299		481
300	sub freeze_mainloop {	482	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
302		484
303	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
304	$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	}
305	};	556	}
306	$TICK_WATCHER->stop;	557	};
307	$guard	558
		559	sub get_slot($;$$) {
		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;
308	}	572	}
309		573
310	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
311		575
312	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		581
318	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
319		583
320	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
321		585
322	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
323	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
324	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.
325		590
326	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
327	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
328	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
329	fast or be very important.	594	fast or be very important.
…		…
331	=cut	596	=cut
332		597
333	sub sync_job(&) {	598	sub sync_job(&) {
334	my ($job) = @_;	599	my ($job) = @_;
335		600
336	if ($Coro::current == $Coro::main) {	601	if (in_main) {
337	my $time = Event::time;	602	my $time = AE::time;
338		603
339	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
341		606
342	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	608
344	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
345		610
346	my $busy = 1;	611	my $busy = 1;
347	my @res;	612	my @res;
348		613
349	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	616	@res = eval { $job->() };
351	warn $@ if $@;	617	error $@ if $@;
352	undef $busy;	618	undef $busy;
353	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
354		620
355	while ($busy) {	621	while ($busy) {
356	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
357	}	626	}
		627	}
358		628
359	$time = Event::time - $time;	629	my $time = AE::time - $time;
360		630
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
365		632
366	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
367	} else {	634	} else {
368	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
369		636
…		…
389	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
390		657
391	$coro	658	$coro
392	}	659	}
393		660
394	sub write_runtime {	661	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		662
397	# first touch the runtime file to show we are still running:	663	Executes the given code block with the given arguments in a seperate
398	# 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.
399		667
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	668	=cut
401	utime undef, undef, $fh;	669
		670	sub post_fork {
		671	reset_signals;
		672	}
		673
		674	sub fork_call(&@) {
		675	my ($cb, @args) = @_;
		676
		677	# we seemingly have to make a local copy of the whole thing,
		678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
		680
		681	my @res = Coro::Util::fork_eval {
		682	cf::post_fork;
		683	&$cb
		684	} @args;
		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		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 $!;
402	}	757	};
		758	cf::cleanup "db_open(db): $@" if $@;
403		759
404	my $guard = cf::lock_acquire "write_runtime";	760	$db
		761	}
405		762
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	763	our $DB;
407	or return;
408		764
409	my $value = $cf::RUNTIME + 90 + 10;	765	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	766	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	767	}
412		768
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	769	sub db_get($$) {
414	and return;	770	my $key = "$_[0]/$_[1]";
415		771
416	# always fsync - this file is important	772	cf::error "db_get called from main context"
417	aio_fsync $fh	773	if $Coro::current == $Coro::main;
418	and return;
419		774
420	# touch it again to show we are up-to-date	775	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		776
423	close $fh	777	$! ? ()
424	or return;	778	: $data
		779	}
425		780
426	aio_rename "$runtime~", $runtime	781	sub db_put($$$) {
427	and return;	782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
428		785
429	warn "runtime file written.\n";#d#	786	=item cf::cache $id => [$paths...], $processversion => $process
430		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;
431	1	850	}
		851
		852	db_get cache => "$id/data"
432	}	853	}
433		854
434	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
435		856
436	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.
437		858
438	=cut	859	=cut
439		860
440	sub datalog($@) {	861	sub datalog($@) {
441	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	864	}
444		865
445	=back	866	=back
446		867
447	=cut	868	=cut
448		869
449	#############################################################################	870	#############################################################################
450		871
451	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
452		873
453	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
454	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")
455	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
456		877
457	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>
458	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
459	crossfire+).	880	Deliantra).
460		881
461	=over 4	882	=over 4
462		883
463	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
464		885
…		…
508	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
509		930
510	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
511	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
512		933
513	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		936
516	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
517		938
518	=over 4	939	=over 4
…		…
642		1063
643	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1066
646	} elsif (ref $type) {	1067	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
648		1069
649	} else {	1070	} else {
650	shift @arg;	1071	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
652	}	1073	}
653	}	1074	}
654	}	1075	}
655		1076
656	sub _object_attach {	1077	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
667	}	1088	}
668		1089
669	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
670	} else {	1091	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1093	}
673		1094
674	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
675	}	1096	}
676		1097
…		…
716	";	1137	";
717	die if $@;	1138	die if $@;
718	}	1139	}
719		1140
720	our $override;	1141	our $override;
721	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?
722		1143
723	sub override {	1144	sub override {
724	$override = 1;	1145	$override = 1;
725	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
726	}	1147	}
727		1148
728	sub do_invoke {	1149	sub do_invoke {
729	my $event = shift;	1150	my $event = shift;
730	my $callbacks = shift;	1151	my $callbacks = shift;
731		1152
732	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
733		1154
734	local $override;	1155	local $override;
735		1156
736	for (@$callbacks) {	1157	for (@$callbacks) {
737	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
738		1159
739	if ($@) {	1160	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1162	override;
743	}	1163	}
744		1164
745	return 1 if $override;	1165	return 1 if $override;
746	}	1166	}
747		1167
748	0	1168	0
749	}	1169	}
750		1170
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1172
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1174
755	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
756		1176
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1180
761	=back	1181	=back
762		1182
763	=cut	1183	=cut
764		1184
765	#############################################################################	1185	#############################################################################
766	# 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	}
767		1229
768	sub reattach {	1230	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1232	my ($obj) = @_;
771		1233
		1234	# no longer needed after getting rid of delete_package?
772	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
773		1236
774	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
775		1238
776	@$registry = ();	1239	@$registry = ();
777		1240
…		…
782	for (@$attach) {	1245	for (@$attach) {
783	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
785	}	1248	}
786	} else {	1249	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1251	}
789	}	1252	}
790	}	1253	}
791		1254
792	cf::attachable->attach (	1255	cf::attachable->attach (
793	prio => -1000000,	1256	prio => -1000000,
794	on_instantiate => sub {	1257	on_instantiate => sub {
795	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
796		1259
797	$data = from_json $data;	1260	$data = decode_json $data;
798		1261
799	for (@$data) {	1262	for (@$data) {
800	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
801		1264
802	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1281	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
820		1283
821	sync_job {	1284	sync_job {
822	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
825		1290
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	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	}
830	close $fh;	1298	aio_close $fh;
831		1299
832	if (@$objs) {	1300	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
837	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	}
838	close $fh;	1309	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
840	}	1311	}
841	} else {	1312	} else {
842	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
843	}	1314	}
844		1315
845	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1320	} else {
847	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
848	}	1322	}
849	} else {	1323	} else {
850	aio_unlink $filename;	1324	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
852	}	1326	}
853	}	1327	};
854	}	1328	}
855		1329
856	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
858		1332
…		…
870	or return;	1344	or return;
871		1345
872	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
874	or return;	1348	or return;
		1349
875	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
876	}	1352	}
877		1353
		1354	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
880	return ($data, $av);	1359	($data, $av)
881	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
882		1367
883	#############################################################################	1368	#############################################################################
884	# command handling &c	1369	# command handling &c
885		1370
886	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1385	}
901		1386
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1388
904	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.
905		1394
906	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
907	called.	1396	called.
908		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
909	=cut	1409	=cut
910		1410
911	sub register_extcmd {	1411	sub register_extcmd {
912	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
913		1413
914	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
915	}	1415	}
916		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
917	cf::player->attach (	1425	cf::player->attach (
918	on_command => sub {	1426	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
920		1428
921	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
922	or return;	1430	or return;
923		1431
…		…
928	cf::override;	1436	cf::override;
929	},	1437	},
930	on_extcmd => sub {	1438	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
932		1440
933	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1442
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
941	} else {	1458	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1460	}
944		1461
945	cf::override;	1462	cf::override;
946	},	1463	},
947	);	1464	);
948		1465
		1466	# "readahead" all extensions
949	sub load_extension {	1467	sub cache_extensions {
950	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
951		1469
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1473	}
977	die $@;
978	}	1474	};
979		1475
980	push @EXTS, $pkg;	1476	$grp
981	}	1477	}
982		1478
983	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
984	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1486	next unless -r $path;
986	eval {	1487
987	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
988	1	1551	}
989	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
990	}	1564	};
991	}	1565	}
992		1566
993	#############################################################################	1567	#############################################################################
994		1568
		1569	=back
		1570
995	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
996		1572
997	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
998		1574
999	=cut	1575	=cut
1000		1576
1001	package cf::player;	1577	package cf::player;
1002		1578
1003	use Coro::AIO;	1579	use Coro::AIO;
1004		1580
1005	=head3 cf::player	1581	=head3 cf::player
1006		1582
1007	=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	}
1008		1598
1009	=item cf::player::find $login	1599	=item cf::player::find $login
1010		1600
1011	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1012		1602
…		…
1031		1621
1032	sub exists($) {	1622	sub exists($) {
1033	my ($login) = @_;	1623	my ($login) = @_;
1034		1624
1035	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1037	}	1627	}
1038		1628
1039	sub find($) {	1629	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1631	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1642
1053	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1056	}	1652	}
1057	}	1653	}
1058	}	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	);
1059		1668
1060	sub save($) {	1669	sub save($) {
1061	my ($pl) = @_;	1670	my ($pl) = @_;
1062		1671
1063	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1069		1678
1070	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1072		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
1073	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1074	Coro::cede;	1688	cf::cede_to_tick;
1075	}	1689	}
1076		1690
1077	sub new($) {	1691	sub new($) {
1078	my ($login) = @_;	1692	my ($login) = @_;
1079		1693
…		…
1085	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1086		1700
1087	$self	1701	$self
1088	}	1702	}
1089		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
1090	=item $pl->quit_character	1714	=item $pl->quit_character
1091		1715
1092	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
1093	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1094		1718
…		…
1098	my ($pl) = @_;	1722	my ($pl) = @_;
1099		1723
1100	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1101		1725
1102	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1103	$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
1104		1728
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1106	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1108	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1109		1737
1110	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1112	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1147	or return [];	1775	or return [];
1148		1776
1149	my @logins;	1777	my @logins;
1150		1778
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1155		1789
1156	utf8::decode $login;	1790	utf8::decode $login;
1157	push @logins, $login;	1791	push @logins, $login;
1158	}	1792	}
1159		1793
1160	\@logins	1794	\@logins
1161	}	1795	}
1162		1796
1163	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1164		1800
1165	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1166	player. May block.	1802	player. May block.
1167		1803
1168	=cut	1804	=cut
…		…
1186	}	1822	}
1187		1823
1188	\@paths	1824	\@paths
1189	}	1825	}
1190		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1191	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1192		1832
1193	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1194		1834
1195	=cut	1835	=cut
1196		1836
1197	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1199		1839
1200	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1841	}
1204		1842
1205	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1206		1844
1207	Sends an ext event to the client.	1845	Sends an ext event to the client.
1208		1846
1209	=cut	1847	=cut
1210		1848
1211	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1213		1851
1214	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1215	}	1853	}
1216		1854
1217	=head3 cf::region	1855	=head3 cf::region
1218		1856
1219	=over 4	1857	=over 4
…		…
1222		1860
1223	package cf::region;	1861	package cf::region;
1224		1862
1225	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1226		1864
1227	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.
1228		1866
1229	=cut	1867	=cut
1230		1868
1231	sub find_by_path($) {	1869	sub find_by_path($) {
1232	my ($path) = @_;	1870	my ($path) = @_;
1233		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1234	my ($match, $specificity);	1874	my ($match, $specificity);
1235		1875
1236	for my $region (list) {	1876	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1240	}	1880	}
1241	}	1881	}
1242		1882
…		…
1263	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1265		1905
1266	sub generate_random_map {	1906	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1268	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1269	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1280	(cf::region::find $rmp->{region}), $rmp->{custom}
1281	)
1282	}	1912	}
1283		1913
1284	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1285		1915
1286	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
…		…
1291		1921
1292	sub register {	1922	sub register {
1293	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	1924	my $pkg = caller;
1295		1925
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		1927
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1929	}
1301		1930
1302	# also paths starting with '/'	1931	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1933
1305	sub thawer_merge {	1934	sub thawer_merge {
1306	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1307		1936
1308	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1309	local $self->{path};	1938	local $self->{path};
1310	local $self->{load_path};	1939	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1940
1314	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1315	}	1942	}
1316		1943
1317	sub normalise {	1944	sub normalise {
1318	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1319		1946
1320	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1321		1948
1322	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1323		1950
1324	# map plan:	1951	# map plan:
1325	#	1952	#
…		…
1327	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1328	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1329	# ?random/... random maps	1956	# ?random/... random maps
1330	# /... normal maps	1957	# /... normal maps
1331	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1332		1960
1333	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1334		1962
1335	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1336	# something that looks reasonable	1964	# something that looks reasonable
1337	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1338	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1339		1967
1340	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1341	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1342	}	1984	}
1343		1985
1344	for ($path) {	1986	for ($path) {
1345	redo if s{//}{/};
1346	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1347	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1348	}	1989	}
1349		1990
1350	$path	1991	$path
…		…
1364	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1365	return $self;	2006	return $self;
1366	}	2007	}
1367	}	2008	}
1368		2009
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	2011	()
1371	}	2012	}
1372		2013
		2014	# may re-bless or do other evil things
1373	sub init {	2015	sub init {
1374	my ($self) = @_;	2016	my ($self) = @_;
1375		2017
1376	$self	2018	$self
1377	}	2019	}
…		…
1396		2038
1397	# the temporary/swap location	2039	# the temporary/swap location
1398	sub save_path {	2040	sub save_path {
1399	my ($self) = @_;	2041	my ($self) = @_;
1400		2042
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1403	}	2045	}
1404		2046
1405	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1406	sub uniq_path {	2048	sub uniq_path {
1407	my ($self) = @_;	2049	my ($self) = @_;
1408		2050
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1411	}	2053	}
1412		2054
1413	# and all this just because we cannot iterate over	2055	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	2056	my ($self) = @_;
1417		2057
1418	$_->change_map_light ($change)	2058	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	2059
		2060	$self->do_decay_objects;
1420	}	2061	}
1421		2062
1422	sub unlink_save {	2063	sub unlink_save {
1423	my ($self) = @_;	2064	my ($self) = @_;
1424		2065
…		…
1429		2070
1430	sub load_header_from($) {	2071	sub load_header_from($) {
1431	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1432		2073
1433	utf8::encode $path;	2074	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2076	or return;
		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
1439		2083
1440	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1441		2085
1442	1	2086	1
1443	}	2087	}
…		…
1482	$self->load_header_orig	2126	$self->load_header_orig
1483	or return;	2127	or return;
1484	$self->prepare_orig;	2128	$self->prepare_orig;
1485	}	2129	}
1486		2130
		2131	$self->{deny_reset} = 1
		2132	if $self->no_reset;
		2133
1487	$self->default_region (cf::region::find_by_path $self->{path})	2134	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2135	unless $self->default_region;
1489		2136
1490	1	2137	1
1491	}	2138	}
1492		2139
1493	sub find;	2140	sub find;
1494	sub find {	2141	sub find {
1495	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1496		2143
		2144	cf::cede_to_tick;
		2145
1497	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1498		2147
		2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2150
1501	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1504	or return;	2153	or return;
1505		2154
1506	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1507		2156
1508	$map->load_header	2157	$map->load_header
1509	or return;	2158	or return;
1510		2159
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
		2164	undef $guard1;
1514	$map->reset;	2165	$map->reset;
1515	undef $guard;
1516	return find $path;	2166	return find $path;
1517	}	2167	}
1518		2168
1519	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1520	}	2170	}
1521	}	2171	}
1522		2172
1523	sub pre_load { }	2173	sub pre_load { }
1524	sub post_load { }	2174	#sub post_load { } # XS
1525		2175
1526	sub load {	2176	sub load {
1527	my ($self) = @_;	2177	my ($self) = @_;
1528		2178
1529	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
1530		2180
1531	my $path = $self->{path};	2181	my $path = $self->{path};
1532		2182
1533	{	2183	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2184	my $guard = cf::lock_acquire "map_data:$path";
1535		2185
		2186	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2187	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2188
1538	$self->in_memory (cf::MAP_LOADING);	2189	$self->in_memory (cf::MAP_LOADING);
1539		2190
1540	$self->alloc;	2191	$self->alloc;
1541		2192
1542	$self->pre_load;	2193	$self->pre_load;
1543	Coro::cede;	2194	cf::cede_to_tick;
1544		2195
1545	$self->_load_objects ($self->{load_path}, 1)	2196	if (exists $self->{load_path}) {
		2197	my $f = new_from_file cf::object::thawer $self->{load_path};
		2198	$f->skip_block;
		2199	$self->_load_objects ($f)
1546	or return;	2200	or return;
1547		2201
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1549	if delete $self->{load_original};	2203	if delete $self->{load_original};
1550		2204
1551	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2206	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2207	unless (aio_stat $uniq) {
		2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2209	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2210	$self->_load_objects ($f);
		2211	$f->resolve_delayed_derefs;
		2212	}
		2213	}
1556	}	2214	}
1557	}
1558		2215
1559	Coro::cede;	2216	$f->resolve_delayed_derefs;
		2217	}
		2218
		2219	cf::cede_to_tick;
1560	# now do the right thing for maps	2220	# now do the right thing for maps
1561	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2223	unless $self->difficulty;
1564	Coro::cede;	2224	cf::cede_to_tick;
1565		2225
1566	unless ($self->{deny_activate}) {	2226	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2227	$self->decay_objects;
1568	$self->fix_auto_apply;	2228	$self->fix_auto_apply;
1569	$self->update_buttons;	2229	$self->update_buttons;
1570	Coro::cede;	2230	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2231	$self->activate;
1574	}	2232	}
1575		2233
		2234	$self->{last_save} = $cf::RUNTIME;
		2235	$self->last_access ($cf::RUNTIME);
		2236
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2237	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2238	}
1578		2239
1579	$self->post_load;	2240	$self->post_load;
1580	}
1581		2241
		2242	1
		2243	}
		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2248	sub customise_for {
1583	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1584		2250
1585	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2252	if $self->per_player;
1587		2253
		2254	# return find "?party/" . $ob->name . "/" . $self->{path}
		2255	# if $self->per_party;
		2256
1588	$self	2257	$self
1589	}	2258	}
1590		2259
1591	# find and load all maps in the 3x3 area around a map	2260	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2261	sub load_neighbours {
1593	my ($map) = @_;	2262	my ($map) = @_;
1594		2263
1595	my @diag; # diagonal neighbours	2264	my @neigh; # diagonal neighbours
1596		2265
1597	for (0 .. 3) {	2266	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2267	my $neigh = $map->tile_path ($_)
1599	or next;	2268	or next;
1600	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1601	or next;	2270	or next;
1602	$neigh->load;	2271	$neigh->load;
1603		2272
		2273	# now find the diagonal neighbours
		2274	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2277	}
1607		2278
1608	for (@diag) {	2279	for (grep defined $_->[0], @neigh) {
		2280	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2281	my $neigh = find $path, $origin
1610	or next;	2282	or next;
1611	$neigh->load;	2283	$neigh->load;
1612	}	2284	}
1613	}	2285	}
1614		2286
1615	sub find_sync {	2287	sub find_sync {
1616	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
1617		2289
1618	cf::sync_job { find $path, $origin }	2290	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2291	if $Coro::current == $Coro::main;
		2292
		2293	find $path, $origin
1619	}	2294	}
1620		2295
1621	sub do_load_sync {	2296	sub do_load_sync {
1622	my ($map) = @_;	2297	my ($map) = @_;
1623		2298
1624	cf::sync_job { $map->load };	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2300	if $Coro::current == $Coro::main;
		2301
		2302	$map->load;
1625	}	2303	}
1626		2304
1627	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
1629		2307
1630	sub find_async {	2308	sub find_async {
1631	my ($path, $origin) = @_;	2309	my ($path, $origin, $load) = @_;
1632		2310
1633	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
1634		2312
1635	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2315	}
1638		2316
1639	undef $MAP_PREFETCH{$path};	2317	$MAP_PREFETCH{$path} |= $load;
		2318
1640	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
		2320	$Coro::current->{desc} = "map prefetcher";
		2321
1641	while (%MAP_PREFETCH) {	2322	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2323	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2324	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2325	$map->load if $v;
		2326	}
1646		2327
1647	delete $MAP_PREFETCH{$path};	2328	delete $MAP_PREFETCH{$k};
1648	}	2329	}
1649	}	2330	}
1650	undef $MAP_PREFETCHER;	2331	undef $MAP_PREFETCHER;
1651	};	2332	};
1652	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
1653		2334
1654	()	2335	()
1655	}	2336	}
1656		2337
		2338	# common code, used by both ->save and ->swapout
1657	sub save {	2339	sub _save {
1658	my ($self) = @_;	2340	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2341
1662	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1663		2343
1664	return unless $self->dirty;	2344	return unless $self->dirty;
1665		2345
…		…
1671	return if $self->{deny_save};	2351	return if $self->{deny_save};
1672		2352
1673	local $self->{last_access} = $self->last_access;#d#	2353	local $self->{last_access} = $self->last_access;#d#
1674		2354
1675	cf::async {	2355	cf::async {
		2356	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
1677	};	2358	};
		2359
		2360	cf::get_slot 0.02;
1678		2361
1679	if ($uniq) {	2362	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2365	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2367	}
1685	}	2368	}
1686		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
1687	sub swap_out {	2378	sub swap_out {
1688	my ($self) = @_;	2379	my ($self) = @_;
1689		2380
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
1695	return if $self->players;	2385	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
		2390	$self->in_memory (cf::MAP_SWAPPED);
		2391
		2392	# then atomically save
		2393	$self->_save;
		2394
		2395	# then free the map
1699	$self->clear;	2396	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2397	}
1702		2398
1703	sub reset_at {	2399	sub reset_at {
1704	my ($self) = @_;	2400	my ($self) = @_;
1705		2401
1706	# TODO: safety, remove and allow resettable per-player maps	2402	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2403	return 1e99 if $self->{deny_reset};
1709		2404
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2405	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2406	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2407
…		…
1723	my ($self) = @_;	2418	my ($self) = @_;
1724		2419
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2421
1727	return if $self->players;	2422	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2423
1730	warn "resetting map ", $self->path;#d#	2424	cf::trace "resetting map ", $self->path, "\n";
1731		2425
1732	$self->in_memory (cf::MAP_SWAPPED);	2426	$self->in_memory (cf::MAP_SWAPPED);
1733		2427
1734	# need to save uniques path	2428	# need to save uniques path
1735	unless ($self->{deny_save}) {	2429	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2433	if $uniq;
1740	}	2434	}
1741		2435
1742	delete $cf::MAP{$self->path};	2436	delete $cf::MAP{$self->path};
1743		2437
		2438	$self->deactivate;
		2439	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2440	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2441
1748	$self->unlink_save;	2442	$self->unlink_save;
1749	$self->destroy;	2443	$self->destroy;
1750	}	2444	}
1751		2445
1752	my $nuke_counter = "aaaa";	2446	my $nuke_counter = "aaaa";
1753		2447
1754	sub nuke {	2448	sub nuke {
1755	my ($self) = @_;	2449	my ($self) = @_;
1756		2450
		2451	{
		2452	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2453
1757	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
1758		2455
1759	$self->unlink_save;	2456	$self->unlink_save;
1760		2457
1761	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2463
1767	$cf::MAP{$self->path} = $self;	2464	$cf::MAP{$self->path} = $self;
		2465	}
1768		2466
1769	$self->reset; # polite request, might not happen	2467	$self->reset; # polite request, might not happen
		2468	}
		2469
		2470	=item $maps = cf::map::tmp_maps
		2471
		2472	Returns an arrayref with all map paths of currently instantiated and saved
		2473	maps. May block.
		2474
		2475	=cut
		2476
		2477	sub tmp_maps() {
		2478	[
		2479	map {
		2480	utf8::decode $_;
		2481	/\.map$/
		2482	? normalise $_
		2483	: ()
		2484	} @{ aio_readdir $TMPDIR or [] }
		2485	]
		2486	}
		2487
		2488	=item $maps = cf::map::random_maps
		2489
		2490	Returns an arrayref with all map paths of currently instantiated and saved
		2491	random maps. May block.
		2492
		2493	=cut
		2494
		2495	sub random_maps() {
		2496	[
		2497	map {
		2498	utf8::decode $_;
		2499	/\.map$/
		2500	? normalise "?random/$_"
		2501	: ()
		2502	} @{ aio_readdir $RANDOMDIR or [] }
		2503	]
1770	}	2504	}
1771		2505
1772	=item cf::map::unique_maps	2506	=item cf::map::unique_maps
1773		2507
1774	Returns an arrayref of paths of all shared maps that have	2508	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2509	instantiated unique items. May block.
1776		2510
1777	=cut	2511	=cut
1778		2512
1779	sub unique_maps() {	2513	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2514	[
1781	or return;	2515	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2516	utf8::decode $_;
1787	next if /\.pst$/;	2517	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2519	? ()
1790	push @paths, cf::map::normalise $_;	2520	: normalise $_
		2521	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2522	]
1792
1793	\@paths
1794	}	2523	}
1795		2524
1796	package cf;	2525	=item cf::map::static_maps
		2526
		2527	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2528	file in the shared directory excluding F</styles> and F</editor>). May
		2529	block.
		2530
		2531	=cut
		2532
		2533	sub static_maps() {
		2534	my @dirs = "";
		2535	my @maps;
		2536
		2537	while (@dirs) {
		2538	my $dir = shift @dirs;
		2539
		2540	next if $dir eq "/styles" || $dir eq "/editor";
		2541
		2542	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2543	or return;
		2544
		2545	for (@$files) {
		2546	s/\.map$// or next;
		2547	utf8::decode $_;
		2548	push @maps, "$dir/$_";
		2549	}
		2550
		2551	push @dirs, map "$dir/$_", @$dirs;
		2552	}
		2553
		2554	\@maps
		2555	}
1797		2556
1798	=back	2557	=back
1799		2558
1800	=head3 cf::object	2559	=head3 cf::object
1801		2560
…		…
1805		2564
1806	=over 4	2565	=over 4
1807		2566
1808	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
1809		2568
1810	Returns the inventory of the object _and_ their inventories, recursively.	2569	Returns the inventory of the object I<and> their inventories, recursively,
		2570	but I<not> the object itself.
1811		2571
1812	=cut	2572	=cut
1813		2573
1814	sub inv_recursive_;	2574	sub inv_recursive_;
1815	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
1818		2578
1819	sub inv_recursive {	2579	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
1821	}	2581	}
1822		2582
		2583	=item $ref = $ob->ref
		2584
		2585	Creates and returns a persistent reference to an object that can be stored as a string.
		2586
		2587	=item $ob = cf::object::deref ($refstring)
		2588
		2589	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2590	even if the object actually exists. May block.
		2591
		2592	=cut
		2593
		2594	sub deref {
		2595	my ($ref) = @_;
		2596
		2597	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2598	my ($uuid, $name) = ($1, $2);
		2599	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2600	or return;
		2601	$pl->ob->uuid eq $uuid
		2602	or return;
		2603
		2604	$pl->ob
		2605	} else {
		2606	warn "$ref: cannot resolve object reference\n";
		2607	undef
		2608	}
		2609	}
		2610
1823	package cf;	2611	package cf;
1824		2612
1825	=back	2613	=back
1826		2614
1827	=head3 cf::object::player	2615	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2621	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2622	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
1836		2624
1837	=cut	2625	=cut
		2626
		2627	our $SAY_CHANNEL = {
		2628	id => "say",
		2629	title => "Map",
		2630	reply => "say ",
		2631	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2632	};
		2633
		2634	our $CHAT_CHANNEL = {
		2635	id => "chat",
		2636	title => "Chat",
		2637	reply => "chat ",
		2638	tooltip => "Player chat and shouts, global to the server.",
		2639	};
1838		2640
1839	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2642	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2643	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
…		…
1844		2646
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2647	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2648
1847	if ($self->{record_replies}) {	2649	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2650	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2651
1849	} else {	2652	} else {
		2653	my $pl = $self->contr;
		2654
		2655	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2656	my $dialog = $pl->{npc_dialog};
		2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2658
		2659	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2662	}
1852	}	2663	}
		2664	}
		2665
		2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2667
		2668	=cut
		2669
		2670	sub cf::object::send_msg {
		2671	my $pl = shift->contr
		2672	or return;
		2673	$pl->send_msg (@_);
1853	}	2674	}
1854		2675
1855	=item $player_object->may ("access")	2676	=item $player_object->may ("access")
1856		2677
1857	Returns wether the given player is authorized to access resource "access"	2678	Returns wether the given player is authorized to access resource "access"
…		…
1870		2691
1871	=item $player_object->enter_link	2692	=item $player_object->enter_link
1872		2693
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2694	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2695
1875	The player should be reasonably safe there for short amounts of time. You	2696	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2697	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2698	though, as the player cannot control the character while it is on the link
		2699	map.
1877		2700
1878	Will never block.	2701	Will never block.
1879		2702
1880	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
1881		2704
…		…
1901	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2725	my ($self) = @_;
1903		2726
1904	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
1905		2728
		2729	++$self->{_link_recursion};
		2730
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2732
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2734	if $self->map && $self->map->{path} ne "{link}";
1910		2735
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2737	}
1913		2738
1914	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
		2741
		2742	return unless $self->contr->active;
1916		2743
1917	my $link_pos = delete $self->{_link_pos};	2744	my $link_pos = delete $self->{_link_pos};
1918		2745
1919	unless ($map) {	2746	unless ($map) {
1920	# restore original map position	2747	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
1933		2760
1934	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
1937		2764
1938	$map->load;	2765	$map->load;
1939	$map->load_diag;	2766	$map->load_neighbours;
1940		2767
1941	return unless $self->contr->active;	2768	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2769
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2771	if ($self->enter_map ($map, $x, $y)) {
1946	}	2772	# entering was successful
1947		2773	delete $self->{_link_recursion};
1948	cf::player->attach (	2774	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2775	$self->activate_recursive;
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},	2776	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2777
1962	# try to abort aborted map switching on player login :)	2778	}
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2779
1980	=item $player_object->goto ($path, $x, $y)	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		2781
		2782	Moves the player to the given map-path and coordinates by first freezing
		2783	her, loading and preparing them map, calling the provided $check callback
		2784	that has to return the map if sucecssful, and then unfreezes the player on
		2785	the new (success) or old (failed) map position. In either case, $done will
		2786	be called at the end of this process.
		2787
		2788	Note that $check will be called with a potentially non-loaded map, so if
		2789	it needs a loaded map it has to call C<< ->load >>.
		2790
1982	=cut	2791	=cut
		2792
		2793	our $GOTOGEN;
1983		2794
1984	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
		2803
		2804	# do generation counting so two concurrent goto's will be executed in-order
		2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2806
1987	$self->enter_link;	2807	$self->enter_link;
1988		2808
1989	(async {	2809	(async {
		2810	$Coro::current->{desc} = "player::goto $path $x $y";
		2811
		2812	# *tag paths override both path and x|y
		2813	if ($path =~ /^\*(.*)$/) {
		2814	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2815	my $ob = $obs[rand @obs];
		2816
		2817	# see if we actually can go there
		2818	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2819	$ob = $obs[rand @obs];
		2820	} else {
		2821	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823	# else put us there anyways for now #d#
		2824
		2825	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2826	} else {
		2827	($path, $x, $y) = (undef, undef, undef);
		2828	}
		2829	}
		2830
1990	my $map = eval {	2831	my $map = eval {
1991	my $map = cf::map::find $path;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2833
		2834	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2835	$map = $map->customise_for ($self);
		2836	$map = $check->($map, $x, $y, $self) if $check && $map;
		2837	} else {
		2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840
1993	$map	2841	$map
		2842	};
		2843
		2844	if ($@) {
		2845	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2847	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2848
		2849	if ($gen == $self->{_goto_generation}) {
		2850	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
		2852	}
		2853
		2854	$done->($self) if $done;
1998	})->prio (1);	2855	})->prio (1);
1999	}	2856	}
2000		2857
2001	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
2002		2859
…		…
2022	}	2879	}
2023		2880
2024	sub prepare_random_map {	2881	sub prepare_random_map {
2025	my ($exit) = @_;	2882	my ($exit) = @_;
2026		2883
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2886	# that depends on the exit object
2032		2887
2033	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2890	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
2040	}	2897	}
2041		2898
2042	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
2043		2900
2044	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
2047		2904
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2907	undef $fh;
2051	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
2052		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
2055	}	2916	}
2056	}	2917	}
2057		2918
2058	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
2060		2921
2061	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
2062		2923
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2924	$self->enter_link;
2075		2925
2076	(async {	2926	(async {
2077	$self->deactivate_recursive; # just to be sure	2927	$Coro::current->{desc} = "enter_exit";
		2928
2078	unless (eval {	2929	unless (eval {
		2930	$self->deactivate_recursive; # just to be sure
		2931
		2932	# random map handling
		2933	{
		2934	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2935
		2936	prepare_random_map $exit
		2937	if $exit->slaying eq "/!";
		2938	}
		2939
		2940	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2941	my $x = $exit->stats->hp;
		2942	my $y = $exit->stats->sp;
		2943
2079	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
2080		2945
		2946	# if exit is damned, update players death & WoR home-position
		2947	$self->contr->savebed ($map, $x, $y)
		2948	if $exit->flag (cf::FLAG_DAMNED);
		2949
2081	1;	2950	1
2082	}) {	2951	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2953	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2956
2088	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
2089	$self->leave_link;	2958	$self->leave_link;
2090	}	2959	}
2091	})->prio (1);	2960	})->prio (1);
2092	}	2961	}
2093		2962
…		…
2107		2976
2108	utf8::encode $text;	2977	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2978	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2979	}
2111		2980
		2981	=item $client->send_big_packet ($pkt)
		2982
		2983	Like C<send_packet>, but tries to compress large packets, and fragments
		2984	them as required.
		2985
		2986	=cut
		2987
		2988	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2989
		2990	sub cf::client::send_big_packet {
		2991	my ($self, $pkt) = @_;
		2992
		2993	# try lzf for large packets
		2994	$pkt = "lzf " . Compress::LZF::compress $pkt
		2995	if 1024 <= length $pkt and $self->{can_lzf};
		2996
		2997	# split very large packets
		2998	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2999	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3000	$pkt = "frag";
		3001	}
		3002
		3003	$self->send_packet ($pkt);
		3004	}
		3005
		3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3007
		3008	Send a drawinfo or msg packet to the client, formatting the msg for the
		3009	client if neccessary. C<$type> should be a string identifying the type of
		3010	the message, with C<log> being the default. If C<$color> is negative, suppress
		3011	the message unless the client supports the msg packet.
		3012
		3013	=cut
		3014
		3015	# non-persistent channels (usually the info channel)
		3016	our %CHANNEL = (
		3017	"c/motd" => {
		3018	id => "infobox",
		3019	title => "MOTD",
		3020	reply => undef,
		3021	tooltip => "The message of the day",
		3022	},
		3023	"c/identify" => {
		3024	id => "infobox",
		3025	title => "Identify",
		3026	reply => undef,
		3027	tooltip => "Items recently identified",
		3028	},
		3029	"c/examine" => {
		3030	id => "infobox",
		3031	title => "Examine",
		3032	reply => undef,
		3033	tooltip => "Signs and other items you examined",
		3034	},
		3035	"c/shopinfo" => {
		3036	id => "infobox",
		3037	title => "Shop Info",
		3038	reply => undef,
		3039	tooltip => "What your bargaining skill tells you about the shop",
		3040	},
		3041	"c/book" => {
		3042	id => "infobox",
		3043	title => "Book",
		3044	reply => undef,
		3045	tooltip => "The contents of a note or book",
		3046	},
		3047	"c/lookat" => {
		3048	id => "infobox",
		3049	title => "Look",
		3050	reply => undef,
		3051	tooltip => "What you saw there",
		3052	},
		3053	"c/who" => {
		3054	id => "infobox",
		3055	title => "Players",
		3056	reply => undef,
		3057	tooltip => "Shows players who are currently online",
		3058	},
		3059	"c/body" => {
		3060	id => "infobox",
		3061	title => "Body Parts",
		3062	reply => undef,
		3063	tooltip => "Shows which body parts you posess and are available",
		3064	},
		3065	"c/statistics" => {
		3066	id => "infobox",
		3067	title => "Statistics",
		3068	reply => undef,
		3069	tooltip => "Shows your primary statistics",
		3070	},
		3071	"c/skills" => {
		3072	id => "infobox",
		3073	title => "Skills",
		3074	reply => undef,
		3075	tooltip => "Shows your experience per skill and item power",
		3076	},
		3077	"c/shopitems" => {
		3078	id => "infobox",
		3079	title => "Shop Items",
		3080	reply => undef,
		3081	tooltip => "Shows the items currently for sale in this shop",
		3082	},
		3083	"c/resistances" => {
		3084	id => "infobox",
		3085	title => "Resistances",
		3086	reply => undef,
		3087	tooltip => "Shows your resistances",
		3088	},
		3089	"c/pets" => {
		3090	id => "infobox",
		3091	title => "Pets",
		3092	reply => undef,
		3093	tooltip => "Shows information abotu your pets/a specific pet",
		3094	},
		3095	"c/perceiveself" => {
		3096	id => "infobox",
		3097	title => "Perceive Self",
		3098	reply => undef,
		3099	tooltip => "You gained detailed knowledge about yourself",
		3100	},
		3101	"c/uptime" => {
		3102	id => "infobox",
		3103	title => "Uptime",
		3104	reply => undef,
		3105	tooltip => "How long the server has been running since last restart",
		3106	},
		3107	"c/mapinfo" => {
		3108	id => "infobox",
		3109	title => "Map Info",
		3110	reply => undef,
		3111	tooltip => "Information related to the maps",
		3112	},
		3113	"c/party" => {
		3114	id => "party",
		3115	title => "Party",
		3116	reply => "gsay ",
		3117	tooltip => "Messages and chat related to your party",
		3118	},
		3119	"c/death" => {
		3120	id => "death",
		3121	title => "Death",
		3122	reply => undef,
		3123	tooltip => "Reason for and more info about your most recent death",
		3124	},
		3125	"c/say" => $SAY_CHANNEL,
		3126	"c/chat" => $CHAT_CHANNEL,
		3127	);
		3128
		3129	sub cf::client::send_msg {
		3130	my ($self, $channel, $msg, $color, @extra) = @_;
		3131
		3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
		3134
		3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3136
		3137	# check predefined channels, for the benefit of C
		3138	if ($CHANNEL{$channel}) {
		3139	$channel = $CHANNEL{$channel};
		3140
		3141	$self->ext_msg (channel_info => $channel);
		3142	$channel = $channel->{id};
		3143
		3144	} elsif (ref $channel) {
		3145	# send meta info to client, if not yet sent
		3146	unless (exists $self->{channel}{$channel->{id}}) {
		3147	$self->{channel}{$channel->{id}} = $channel;
		3148	$self->ext_msg (channel_info => $channel);
		3149	}
		3150
		3151	$channel = $channel->{id};
		3152	}
		3153
		3154	return unless @extra || length $msg;
		3155
		3156	# default colour, mask it out
		3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3158	if $color & cf::NDI_DEF;
		3159
		3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
		3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3163	);
		3164
		3165	$self->send_big_packet ($pkt);
		3166	}
		3167
2112	=item $client->ext_event ($type, %msg)	3168	=item $client->ext_msg ($type, @msg)
2113		3169
2114	Sends an exti event to the client.	3170	Sends an ext event to the client.
2115		3171
2116	=cut	3172	=cut
2117		3173
2118	sub cf::client::ext_event($$%) {	3174	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3175	my ($self, $type, @msg) = @_;
2120		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3179	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3180	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3182	}
		3183	}
		3184
		3185	=item $client->ext_reply ($msgid, @msg)
		3186
		3187	Sends an ext reply to the client.
		3188
		3189	=cut
		3190
		3191	sub cf::client::ext_reply($$@) {
		3192	my ($self, $id, @msg) = @_;
		3193
		3194	if ($self->extcmd == 2) {
		3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3196	} elsif ($self->extcmd == 1) {
		3197	#TODO: version 1, remove
		3198	unshift @msg, msgtype => "reply", msgid => $id;
		3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3200	}
2123	}	3201	}
2124		3202
2125	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
2126		3204
2127	Queues a query to the client, calling the given callback with	3205	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3206	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3207	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		3208
2131	Queries can fail, so check the return code. Or don't, as queries will become	3209	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	3210	become reliable at some point in the future.
2133		3211
2134	=cut	3212	=cut
2135		3213
2136	sub cf::client::query {	3214	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3215	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3223	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3224	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3225
2148	$self->send_packet ($self->{query_queue}[0][0])	3226	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3227	if @{ $self->{query_queue} } == 1;
		3228
		3229	1
2150	}	3230	}
2151		3231
2152	cf::client->attach (	3232	cf::client->attach (
		3233	on_connect => sub {
		3234	my ($ns) = @_;
		3235
		3236	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3237	},
2153	on_reply => sub {	3238	on_reply => sub {
2154	my ($ns, $msg) = @_;	3239	my ($ns, $msg) = @_;
2155		3240
2156	# this weird shuffling is so that direct followup queries	3241	# this weird shuffling is so that direct followup queries
2157	# get handled first	3242	# get handled first
…		…
2169	} else {	3254	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3255	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3256	}
2172	}	3257	}
2173	},	3258	},
		3259	on_exticmd => sub {
		3260	my ($ns, $buf) = @_;
		3261
		3262	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3263
		3264	if (ref $msg) {
		3265	my ($type, $reply, @payload) =
		3266	"ARRAY" eq ref $msg
		3267	? @$msg
		3268	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3269
		3270	my @reply;
		3271
		3272	if (my $cb = $EXTICMD{$type}) {
		3273	@reply = $cb->($ns, @payload);
		3274	}
		3275
		3276	$ns->ext_reply ($reply, @reply)
		3277	if $reply;
		3278
		3279	} else {
		3280	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3281	}
		3282
		3283	cf::override;
		3284	},
2174	);	3285	);
2175		3286
2176	=item $client->async (\&cb)	3287	=item $client->async (\&cb)
2177		3288
2178	Create a new coroutine, running the specified callback. The coroutine will	3289	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3305
2195	$coro	3306	$coro
2196	}	3307	}
2197		3308
2198	cf::client->attach (	3309	cf::client->attach (
2199	on_destroy => sub {	3310	on_client_destroy => sub {
2200	my ($ns) = @_;	3311	my ($ns) = @_;
2201		3312
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3314	},
2204	);	3315	);
…		…
2219	our $safe = new Safe "safe";	3330	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2221		3332
2222	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2223		3334
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3335	$safe->permit_only (Opcode::opset qw(
		3336	:base_core :base_mem :base_orig :base_math :base_loop
		3337	grepstart grepwhile mapstart mapwhile
		3338	sort time
		3339	));
2225		3340
2226	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
2227		3342
2228	=pod	3343	=pod
2229		3344
2230	The following functions and methods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2231		3346
2232	cf::object contr pay_amount pay_player map	3347	cf::object
		3348	contr pay_amount pay_player map x y force_find force_add destroy
		3349	insert remove name archname title slaying race decrease split
		3350	value
		3351
2233	cf::object::player player	3352	cf::object::player
2234	cf::player peaceful	3353	player
2235	cf::map trigger	3354
		3355	cf::player
		3356	peaceful
		3357
		3358	cf::map
		3359	trigger
2236		3360
2237	=cut	3361	=cut
2238		3362
2239	for (	3363	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3365	insert remove inv nrof name archname title slaying race
		3366	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2244	) {	3370	) {
2245	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2248	for @funs;	3373	for @funs;
2249	}	3374	}
2250		3375
…		…
2265		3390
2266	my $qcode = $code;	3391	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2269		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2270	local $_;	3398	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3399
2273	my $eval =	3400	my $eval =
2274	"do {\n"	3401	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3404	. $code
2278	. "\n}"	3405	. "\n}"
2279	;	3406	;
2280		3407
		3408	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2284		3417
2285	if ($@) {	3418	if ($@) {
2286	warn "$@";	3419	warn "$@",
2287	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2288	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2289	}	3422	}
2290		3423
2291	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2292	}	3425	}
2293		3426
…		…
2307	=cut	3440	=cut
2308		3441
2309	sub register_script_function {	3442	sub register_script_function {
2310	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2311		3444
2312	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2314	}	3447	}
2315		3448
2316	=back	3449	=back
2317		3450
2318	=cut	3451	=cut
2319
2320	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493		3452
2494	#############################################################################	3453	#############################################################################
2495	# the server's init and main functions	3454	# the server's init and main functions
2496		3455
2497	sub load_facedata($) {	3456	sub load_facedata($) {
2498	my ($path) = @_;	3457	my ($path) = @_;
2499		3458
		3459	# HACK to clear player env face cache, we need some signal framework
		3460	# for this (global event?)
		3461	%ext::player_env::MUSIC_FACE_CACHE = ();
		3462
		3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3464
2500	warn "loading facedata from $path\n";	3465	trace "loading facedata from $path\n";
2501		3466
2502	my $facedata;	3467	my $facedata = decode_storable load_file $path;
2503	0 < aio_load $path, $facedata
2504	or die "$path: $!";
2505
2506	$facedata = Coro::Storable::thaw $facedata;
2507		3468
2508	$facedata->{version} == 2	3469	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3471
		3472	# patch in the exptable
		3473	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3474	$facedata->{resource}{"res/exp_table"} = {
		3475	type => FT_RSRC,
		3476	data => $exp_table,
		3477	hash => (Digest::MD5::md5 $exp_table),
		3478	};
		3479	cf::cede_to_tick;
		3480
2511	{	3481	{
2512	my $faces = $facedata->{faceinfo};	3482	my $faces = $facedata->{faceinfo};
2513		3483
2514	while (my ($face, $info) = each %$faces) {	3484	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3487	cf::face::set_visibility $idx, $info->{visibility};
		3488	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3492
		3493	cf::cede_to_tick;
2520	}	3494	}
2521		3495
2522	while (my ($face, $info) = each %$faces) {	3496	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3497	next unless $info->{smooth};
		3498
2524	my $idx = cf::face::find $face	3499	my $idx = cf::face::find $face
2525	or next;	3500	or next;
		3501
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3502	if (my $smooth = cf::face::find $info->{smooth}) {
		3503	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3505	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3506	error "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3507	}
2531	Coro::cede;	3508
		3509	cf::cede_to_tick;
2532	}	3510	}
2533	}	3511	}
2534		3512
2535	{	3513	{
2536	my $anims = $facedata->{animinfo};	3514	my $anims = $facedata->{animinfo};
2537		3515
2538	while (my ($anim, $info) = each %$anims) {	3516	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3517	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3518	cf::cede_to_tick;
2541	}	3519	}
2542		3520
2543	cf::anim::invalidate_all; # d'oh	3521	cf::anim::invalidate_all; # d'oh
2544	}	3522	}
2545		3523
		3524	{
		3525	my $res = $facedata->{resource};
		3526
		3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
		3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3530
		3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3532	cf::face::set_type $idx, $info->{type};
		3533	} else {
		3534	$RESOURCE{$name} = $info; # unused
		3535	}
		3536
		3537	cf::cede_to_tick;
		3538	}
		3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3542
2546	1	3543	1
2547	}	3544	}
2548		3545
		3546	register_exticmd fx_want => sub {
		3547	my ($ns, $want) = @_;
		3548
		3549	while (my ($k, $v) = each %$want) {
		3550	$ns->fx_want ($k, $v);
		3551	}
		3552	};
		3553
		3554	sub load_resource_file($) {
		3555	my $guard = lock_acquire "load_resource_file";
		3556
		3557	my $status = load_resource_file_ $_[0];
		3558	get_slot 0.1, 100;
		3559	cf::arch::commit_load;
		3560
		3561	$status
		3562	}
		3563
2549	sub reload_regions {	3564	sub reload_regions {
		3565	# HACK to clear player env face cache, we need some signal framework
		3566	# for this (global event?)
		3567	%ext::player_env::MUSIC_FACE_CACHE = ();
		3568
2550	load_resource_file "$MAPDIR/regions"	3569	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3570	or die "unable to load regions file\n";
		3571
		3572	for (cf::region::list) {
		3573	$_->{match} = qr/$_->{match}/
		3574	if exists $_->{match};
		3575	}
2552	}	3576	}
2553		3577
2554	sub reload_facedata {	3578	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3579	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3580	or die "unable to load facedata\n";
…		…
2564	sub reload_treasures {	3588	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3589	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3590	or die "unable to load treasurelists\n";
2567	}	3591	}
2568		3592
		3593	sub reload_sound {
		3594	trace "loading sound config from $DATADIR/sound\n";
		3595
		3596	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3597
		3598	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3599	my $sound = $soundconf->{compat}[$_]
		3600	or next;
		3601
		3602	my $face = cf::face::find "sound/$sound->[1]";
		3603	cf::sound::set $sound->[0] => $face;
		3604	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3605	}
		3606
		3607	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3608	my $face = cf::face::find "sound/$v";
		3609	cf::sound::set $k => $face;
		3610	}
		3611	}
		3612
2569	sub reload_resources {	3613	sub reload_resources {
2570	warn "reloading resource files...\n";	3614	trace "reloading resource files...\n";
2571		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
2572	reload_regions;	3621	reload_regions;
2573	reload_facedata;
2574	reload_archetypes;
2575	reload_treasures;	3622	reload_treasures;
2576		3623
2577	warn "finished reloading resource files\n";	3624	trace "finished reloading resource files\n";
2578	}	3625	}
2579		3626
2580	sub init {	3627	sub reload_config {
2581	reload_resources;	3628	trace "reloading config file...\n";
2582	}
2583		3629
2584	sub cfg_load {	3630	my $config = load_file "$CONFDIR/config";
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3631	utf8::decode $config;
2586	or return;	3632	*CFG = decode_yaml $config;
2587		3633
2588	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;
2590
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2592		3635
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3636	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3637	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595		3638
2596	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
2600	};	3643	};
2601	warn $@ if $@;	3644	warn $@ if $@;
2602	}	3645	}
2603	}	3646	}
2604		3647
		3648	sub pidfile() {
		3649	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3650	or die "$PIDFILE: $!";
		3651	flock $fh, &Fcntl::LOCK_EX
		3652	or die "$PIDFILE: flock: $!";
		3653	$fh
		3654	}
		3655
		3656	# make sure only one server instance is running at any one time
		3657	sub atomic {
		3658	my $fh = pidfile;
		3659
		3660	my $pid = <$fh>;
		3661	kill 9, $pid if $pid > 0;
		3662
		3663	seek $fh, 0, 0;
		3664	print $fh $$;
		3665	}
		3666
		3667	sub main_loop {
		3668	trace "EV::loop starting\n";
		3669	if (1) {
		3670	EV::loop;
		3671	}
		3672	trace "EV::loop returned\n";
		3673	goto &main_loop unless $REALLY_UNLOOP;
		3674	}
		3675
2605	sub main {	3676	sub main {
		3677	cf::init_globals; # initialise logging
		3678
		3679	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3680	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3681	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3682	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3683
		3684	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3685
2606	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3688	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3689	(async {
2610	Event::one_event;	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3691	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
2612	};	3693	};
2613		3694
2614	cfg_load;	3695	evthread_start IO::AIO::poll_fileno;
		3696
		3697	cf::sync_job {
		3698	cf::incloader::init ();
		3699
		3700	cf::init_anim;
		3701	cf::init_attackmess;
		3702	cf::init_dynamic;
		3703
		3704	cf::load_settings;
		3705
		3706	reload_resources;
		3707	reload_config;
2615	db_init;	3708	db_init;
		3709
		3710	cf::init_uuid;
		3711	cf::init_signals;
		3712	cf::init_skills;
		3713
		3714	cf::init_beforeplay;
		3715
		3716	atomic;
		3717
2616	load_extensions;	3718	load_extensions;
2617		3719
2618	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3721
		3722	# no (long-running) fork's whatsoever before this point(!)
		3723	use POSIX ();
		3724	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3725
		3726	cf::_post_init 0;
		3727	};
		3728
		3729	cf::object::thawer::errors_are_fatal 0;
		3730	info "parse errors in files are no longer fatal from this point on.\n";
		3731
		3732	my $free_main; $free_main = EV::idle sub {
		3733	undef $free_main;
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2620	}	3738	}
2621		3739
2622	#############################################################################	3740	#############################################################################
2623	# initialisation and cleanup	3741	# initialisation and cleanup
2624		3742
2625	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2626	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2635	},
2636	);	3749	};
		3750	}
		3751	}
		3752
		3753	sub write_runtime_sync {
		3754	my $t0 = AE::time;
		3755
		3756	# first touch the runtime file to show we are still running:
		3757	# the fsync below can take a very very long time.
		3758
		3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3760
		3761	my $guard = cf::lock_acquire "write_runtime";
		3762
		3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3764	or return;
		3765
		3766	my $value = $cf::RUNTIME + 90 + 10;
		3767	# 10 is the runtime save interval, for a monotonic clock
		3768	# 60 allows for the watchdog to kill the server.
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	# touch it again to show we are up-to-date
		3778	aio_utime $fh, undef, undef;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3784	and return;
		3785
		3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3787
2637	}	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2638	}	3839	}
2639		3840
2640	sub emergency_save() {	3841	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2642		3843
2643	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2644		3850
2645	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2646	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3862	$pl->save;
2654	}	3863	}
2655	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2656		3865
2657	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3871	$map->valid or next;
2661	$map->save;	3872	$map->save;
2662	}	3873	}
2663	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
2664		3875
2665	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2668	};	3904	};
2669		3905
2670	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2671	}	3907	}
2672		3908
2673	sub post_cleanup {	3909	sub post_cleanup {
2674	my ($make_core) = @_;	3910	my ($make_core) = @_;
2675		3911
		3912	IO::AIO::flush;
		3913
2676	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
2678	}	3944	}
2679		3945
2680	sub do_reload_perl() {	3946	sub do_reload_perl() {
2681	# can/must only be called in main	3947	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2683	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
2684	return;	3950	return;
2685	}	3951	}
2686		3952
2687	warn "reloading...";	3953	return if $RELOAD++;
2688		3954
2689	warn "entering sync_job";	3955	my $t1 = AE::time;
2690		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
2691	cf::sync_job {	3963	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark
2693	cf::emergency_save;	3964	#cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark
2695		3965
2696	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;
2698
2699	# if anything goes wrong in here, we should simply crash as we already saved
2700
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();	3968	%EXT_CORO = ();
2720		3969
2721	warn "removing commands";	3970	trace "perl_reload: removing commands";
2722	%COMMAND = ();	3971	%COMMAND = ();
2723		3972
2724	warn "removing ext commands";	3973	trace "perl_reload: removing ext/exti commands";
2725	%EXTCMD = ();	3974	%EXTCMD = ();
		3975	%EXTICMD = ();
2726		3976
2727	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2730		3980
2731	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2732	eval {	3982	eval {
2733	$cb->($pkg);	3983	$cb->($pkg);
2734	1	3984	1
2735	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2736	}	3990	}
2737		3991
2738	warn "... nuking $pkg";
2739	Symbol::delete_package $pkg;
2740	}
2741
2742	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2743	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3995
2746	warn "... unloading $k";	3996	trace "... unloading $k";
2747	delete $INC{$k};	3997	delete $INC{$k};
2748		3998
2749	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
2751		4001
2752	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
2753	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
2754	}	4007	}
2755		4008
2756	Symbol::delete_package $k;
2757	}
2758
2759	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		4012
2763	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		4016
2767	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
2768	# and global variables created in xs	4018	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
2770		4020
2771	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
2772		4022
2773	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
2774	require cf;	4024	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
2776		4026
2777	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
2778	cf::cfg_load;	4028	cf::reload_config;
2779		4029
2780	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
2781	cf::load_extensions;	4031	cf::load_extensions;
2782		4032
		4033	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
2786	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
2789		4041
2790	warn "leaving sync_job";	4042	cf::_post_init 1;
2791		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
2792	1	4046	1
2793	} or do {	4047	} or do {
2794	warn $@;	4048	error $@;
2795	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
2796	exit 1;	4050	};
		4051
		4052	--$RELOAD;
2797	};	4053	}
2798		4054
2799	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
2800	};	4057	};
2801		4058
2802	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
2803		4060
2804	sub reload_perl() {	4061	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
2807		4064
2808	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	4067
2811	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	4069	do_reload_perl;
2814	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
2815	},	4071	};
2816	);	4072	};
2817	}	4073	}
2818		4074
2819	register_command "reload" => sub {	4075	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
2821		4077
2822	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
		4080	async {
		4081	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	4082	reload_perl;
		4083	};
2825	}	4084	}
2826	};	4085	};
2827		4086
2828	unshift @INC, $LIBDIR;	4087	#############################################################################
2829		4088
2830	my $bug_warning = 0;	4089	my $bug_warning = 0;
2831		4090
2832	our @WAIT_FOR_TICK;	4091	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	4092	our @WAIT_FOR_TICK_BEGIN;
2834		4093
2835	sub wait_for_tick {	4094	sub wait_for_tick() {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4096
2839	my $signal = new Coro::Signal;	4097	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	4098	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	4099	$signal->wait;
2842	}	4100	}
2843		4101
2844	sub wait_for_tick_begin {	4102	sub wait_for_tick_begin() {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2847		4104
2848	my $signal = new Coro::Signal;	4105	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	4106	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	4107	$signal->wait;
2851	}	4108	}
2852		4109
2853	$TICK_WATCHER = Event->timer (	4110	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
2863	return;	4114	return;
2864	}	4115	}
2865		4116
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
2869		4118
2870	$RUNTIME += $TICK;	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2871	$NEXT_TICK += $TICK;
2872		4120
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	4123	Coro::async_pool {
		4124	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	4125	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	4126	or error "ERROR: unable to write runtime file: $!";
2878	};
2879	}	4127	};
		4128	}
2880		4129
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	4131	$sig->send;
2886	}	4132	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	4133	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	4134	$sig->send;
2889	}	4135	}
2890		4136
2891	$NOW = Event::time;	4137	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		4139
2902	_post_tick;	4140	if (0) {
2903		4141	if ($NEXT_TICK) {
2904		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
		4145	}
2905	},	4146	}
2906	);	4147	}
2907		4148
2908	{	4149	{
2909	BDB::max_poll_time $TICK * 0.1;	4150	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	4151
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
2919		4153	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4154	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		4155
2935	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	4157	$DB_ENV = BDB::db_env_create;
		4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4159	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4160	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		4163
2938	cf::sync_job {	4164	cf::sync_job {
2939	eval {	4165	eval {
2940	BDB::db_env_open	4166	BDB::db_env_open
2941	$DB_ENV,	4167	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4169	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4170	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4171	0666;
2946		4172
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4173	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	4174	};
2952		4175
2953	cf::cleanup "db_env_open(db): $@" if $@;	4176	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4177	};
2955	}	4178	}
		4179
		4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4181	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4182	};
		4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4185	};
		4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4188	};
2956	}	4189	}
2957		4190
2958	{	4191	{
		4192	# configure IO::AIO
		4193
2959	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	4197	}
2972		4198
2973	my $_log_backtrace;	4199	our $_log_backtrace;
		4200	our $_log_backtrace_last;
2974		4201
2975	sub _log_backtrace {	4202	sub _log_backtrace {
2976	my ($msg, @addr) = @_;	4203	my ($msg, @addr) = @_;
2977		4204
2978	$msg =~ s/\n//;	4205	$msg =~ s/\n$//;
2979		4206
		4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2980	# limit the # of concurrent backtraces	4210	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
2982	++$_log_backtrace;	4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
2983	async {	4215	async {
		4216	$Coro::current->{desc} = "abt $msg";
		4217
2984	my @bt = fork_call {	4218	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4219	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4220	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4221	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	4222	or die "addr2line: $!";
…		…
2996	}	4230	}
2997		4231
2998	@funcs	4232	@funcs
2999	};	4233	};
3000		4234
3001	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4237	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4238	--$_log_backtrace;
3004	};	4239	};
3005	} else {	4240	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4241	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3008	}	4243	}
3009	}	4244	}
3010		4245
3011	# load additional modules	4246	# load additional modules
3012	use cf::pod;	4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
3013		4249
3014	END { cf::emergency_save }	4250	END { cf::emergency_save }
3015		4251
3016	1	4252	1
3017		4253

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