ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		145
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
98		155
99	binmode STDOUT;	156	binmode STDOUT;
100	binmode STDERR;	157	binmode STDERR;
101		158
102	# read virtual server time, if available	159	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
107	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
108		167
109	mkdir $_	168	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		170
112	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
113		172
114	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		189
116	#############################################################################	190	#############################################################################
117		191
118	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
119		193
…		…
155		229
156	The raw value load value from the last tick.	230	The raw value load value from the last tick.
157		231
158	=item %cf::CFG	232	=item %cf::CFG
159		233
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	235	from wherever your confdir points to.
162		236
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		238
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
169	=back	260	=back
170		261
171	=cut	262	=cut
172		263
173	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	271	my $msg = join "", @_;
176		272
177	$msg .= "\n"	273	$msg .= "\n"
178	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
179		275
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		277
182	utf8::encode $msg;
183	LOG llevError, $msg;	278	LOG llevWarn, $msg;
184	};	279	};
185	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
186		294
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	305	for my $pkg (qw(
198	cf::global cf::attachable	306	cf::global cf::attachable
199	cf::object cf::object::player	307	cf::object cf::object::player
200	cf::client cf::player	308	cf::client cf::player
201	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
202	cf::map cf::party cf::region	311	cf::party cf::region
203	)) {	312	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	314	}
207		315
208	$Event::DIED = sub {	316	$EV::DIED = sub {
209	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
210	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
211		326
212	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
213		328
214	=over 4	329	=over 4
215		330
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	350	$d
236	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
237	}	352	}
238		353
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
240		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
241	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
242		369
243	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
244		371
245	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
246		373
247	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
248		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
249	=item cf::lock_wait $string	445	=item cf::lock_wait $string
250		446
251	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
252		448
253	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
254		450
255	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
258	returned.	454	returned.
259		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
260	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
262		461
263	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
264		463
265	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
266		465
267	=cut	466	=cut
268		467
269	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
270		469
271	sub lock_wait($) {	470	sub lock_wait($) {
272	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	472	}
280		473
281	sub lock_acquire($) {	474	sub lock_acquire($) {
282	my ($key) = @_;	475	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	476	}
294		477
295	sub lock_active($) {	478	sub lock_active($) {
296	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	480	}
300		481
301	sub freeze_mainloop {	482	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
303		484
304	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
306	};	556	}
307	$TICK_WATCHER->stop;	557	};
308	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
309	}	572	}
310		573
311	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
312		575
313	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		581
319	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
320		583
321	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
322		585
323	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
326		590
327	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
330	fast or be very important.	594	fast or be very important.
…		…
332	=cut	596	=cut
333		597
334	sub sync_job(&) {	598	sub sync_job(&) {
335	my ($job) = @_;	599	my ($job) = @_;
336		600
337	if ($Coro::current == $Coro::main) {	601	if (in_main) {
338	my $time = Event::time;	602	my $time = AE::time;
339		603
340	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
342		606
343	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	608
345	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
346		610
347	my $busy = 1;	611	my $busy = 1;
348	my @res;	612	my @res;
349		613
350	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	616	@res = eval { $job->() };
352	warn $@ if $@;	617	error $@ if $@;
353	undef $busy;	618	undef $busy;
354	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
355		620
356	while ($busy) {	621	while ($busy) {
357	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
358	}	626	}
		627	}
359		628
360	$time = Event::time - $time;	629	my $time = AE::time - $time;
361		630
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
366		632
367	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
368	} else {	634	} else {
369	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
370		636
…		…
390	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
391		657
392	$coro	658	$coro
393	}	659	}
394		660
395	sub write_runtime {	661	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		662
398	# first touch the runtime file to show we are still running:	663	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
400		667
401	IO::AIO::aio_utime $runtime, undef, undef;	668	=cut
402		669
403	my $guard = cf::lock_acquire "write_runtime";	670	sub post_fork {
		671	reset_signals;
		672	}
404		673
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	674	sub fork_call(&@) {
406	or return;	675	my ($cb, @args) = @_;
407		676
408	my $value = $cf::RUNTIME + 90 + 10;	677	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	678	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	679	# TODO: investigate and fix (likely this will be rather laborious)
411		680
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	681	my @res = Coro::Util::fork_eval {
413	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
414		685
415	# always fsync - this file is important	686	wantarray ? @res : $res[-1]
416	aio_fsync $fh	687	}
417	and return;
418		688
419	# touch it again to show we are up-to-date	689	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
431	}	853	}
432		854
433	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
434		856
435	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
436		858
437	=cut	859	=cut
438		860
439	sub datalog($@) {	861	sub datalog($@) {
440	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	864	}
443		865
444	=back	866	=back
445		867
446	=cut	868	=cut
447		869
448	#############################################################################	870	#############################################################################
449		871
450	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
451		873
452	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
455		877
456	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	880	Deliantra).
459		881
460	=over 4	882	=over 4
461		883
462	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
463		885
…		…
507	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
508		930
509	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
511		933
512	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
514		936
515	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
516		938
517	=over 4	939	=over 4
…		…
641		1063
642	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1066
645	} elsif (ref $type) {	1067	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
647		1069
648	} else {	1070	} else {
649	shift @arg;	1071	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
651	}	1073	}
652	}	1074	}
653	}	1075	}
654		1076
655	sub _object_attach {	1077	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
666	}	1088	}
667		1089
668	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
669	} else {	1091	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1093	}
672		1094
673	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
674	}	1096	}
675		1097
…		…
715	";	1137	";
716	die if $@;	1138	die if $@;
717	}	1139	}
718		1140
719	our $override;	1141	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1143
722	sub override {	1144	sub override {
723	$override = 1;	1145	$override = 1;
724	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
725	}	1147	}
726		1148
727	sub do_invoke {	1149	sub do_invoke {
728	my $event = shift;	1150	my $event = shift;
729	my $callbacks = shift;	1151	my $callbacks = shift;
730		1152
731	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
732		1154
733	local $override;	1155	local $override;
734		1156
735	for (@$callbacks) {	1157	for (@$callbacks) {
736	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
737		1159
738	if ($@) {	1160	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1162	override;
742	}	1163	}
743		1164
744	return 1 if $override;	1165	return 1 if $override;
745	}	1166	}
746		1167
747	0	1168	0
748	}	1169	}
749		1170
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1172
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1174
754	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
755		1176
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1180
760	=back	1181	=back
761		1182
762	=cut	1183	=cut
763		1184
764	#############################################################################	1185	#############################################################################
765	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
766		1229
767	sub reattach {	1230	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1232	my ($obj) = @_;
770		1233
		1234	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1236
773	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
774		1238
775	@$registry = ();	1239	@$registry = ();
776		1240
…		…
781	for (@$attach) {	1245	for (@$attach) {
782	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
784	}	1248	}
785	} else {	1249	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1251	}
788	}	1252	}
789	}	1253	}
790		1254
791	cf::attachable->attach (	1255	cf::attachable->attach (
792	prio => -1000000,	1256	prio => -1000000,
793	on_instantiate => sub {	1257	on_instantiate => sub {
794	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
795		1259
796	$data = from_json $data;	1260	$data = decode_json $data;
797		1261
798	for (@$data) {	1262	for (@$data) {
799	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
800		1264
801	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1281	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
819		1283
820	sync_job {	1284	sync_job {
821	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
824		1290
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
829	close $fh;	1298	aio_close $fh;
830		1299
831	if (@$objs) {	1300	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
837	close $fh;	1309	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
839	}	1311	}
840	} else {	1312	} else {
841	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
842	}	1314	}
843		1315
844	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1320	} else {
846	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
847	}	1322	}
848	} else {	1323	} else {
849	aio_unlink $filename;	1324	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
851	}	1326	}
852	}	1327	};
853	}	1328	}
854		1329
855	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
857		1332
…		…
869	or return;	1344	or return;
870		1345
871	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
873	or return;	1348	or return;
		1349
874	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
875	}	1352	}
876		1353
		1354	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
879	return ($data, $av);	1359	($data, $av)
880	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
881		1367
882	#############################################################################	1368	#############################################################################
883	# command handling &c	1369	# command handling &c
884		1370
885	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1385	}
900		1386
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1388
903	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
904		1394
905	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
906	called.	1396	called.
907		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
908	=cut	1409	=cut
909		1410
910	sub register_extcmd {	1411	sub register_extcmd {
911	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
912		1413
913	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
914	}	1415	}
915		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
916	cf::player->attach (	1425	cf::player->attach (
917	on_command => sub {	1426	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
919		1428
920	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
921	or return;	1430	or return;
922		1431
…		…
927	cf::override;	1436	cf::override;
928	},	1437	},
929	on_extcmd => sub {	1438	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
931		1440
932	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1442
934	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
940	} else {	1458	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1460	}
943		1461
944	cf::override;	1462	cf::override;
945	},	1463	},
946	);	1464	);
947		1465
		1466	# "readahead" all extensions
948	sub load_extension {	1467	sub cache_extensions {
949	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
950		1469
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1473	}
976	die $@;
977	}	1474	};
978		1475
979	push @EXTS, $pkg;	1476	$grp
980	}	1477	}
981		1478
982	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
983	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1486	next unless -r $path;
985	eval {	1487
986	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
987	1	1551	}
988	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
989	}	1564	};
990	}	1565	}
991		1566
992	#############################################################################	1567	#############################################################################
993		1568
		1569	=back
		1570
994	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
995		1572
996	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
997		1574
998	=cut	1575	=cut
999		1576
1000	package cf::player;	1577	package cf::player;
1001		1578
1002	use Coro::AIO;	1579	use Coro::AIO;
1003		1580
1004	=head3 cf::player	1581	=head3 cf::player
1005		1582
1006	=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	}
1007		1598
1008	=item cf::player::find $login	1599	=item cf::player::find $login
1009		1600
1010	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1011		1602
…		…
1030		1621
1031	sub exists($) {	1622	sub exists($) {
1032	my ($login) = @_;	1623	my ($login) = @_;
1033		1624
1034	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1036	}	1627	}
1037		1628
1038	sub find($) {	1629	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1631	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1642
1052	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1053	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;
1054	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1055	}	1652	}
1056	}	1653	}
1057	}	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	);
1058		1668
1059	sub save($) {	1669	sub save($) {
1060	my ($pl) = @_;	1670	my ($pl) = @_;
1061		1671
1062	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1068		1678
1069	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1071		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
1072	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1073	Coro::cede;	1688	cf::cede_to_tick;
1074	}	1689	}
1075		1690
1076	sub new($) {	1691	sub new($) {
1077	my ($login) = @_;	1692	my ($login) = @_;
1078		1693
…		…
1084	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1085		1700
1086	$self	1701	$self
1087	}	1702	}
1088		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
1089	=item $pl->quit_character	1714	=item $pl->quit_character
1090		1715
1091	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
1092	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1093		1718
…		…
1097	my ($pl) = @_;	1722	my ($pl) = @_;
1098		1723
1099	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1100		1725
1101	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1102	$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
1103		1728
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1107	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1108		1737
1109	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1146	or return [];	1775	or return [];
1147		1776
1148	my @logins;	1777	my @logins;
1149		1778
1150	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") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1154		1789
1155	utf8::decode $login;	1790	utf8::decode $login;
1156	push @logins, $login;	1791	push @logins, $login;
1157	}	1792	}
1158		1793
1159	\@logins	1794	\@logins
1160	}	1795	}
1161		1796
1162	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1163		1800
1164	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1165	player. May block.	1802	player. May block.
1166		1803
1167	=cut	1804	=cut
…		…
1185	}	1822	}
1186		1823
1187	\@paths	1824	\@paths
1188	}	1825	}
1189		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1190	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1191		1832
1192	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1193		1834
1194	=cut	1835	=cut
1195		1836
1196	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1198		1839
1199	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1841	}
1203		1842
1204	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1205		1844
1206	Sends an ext event to the client.	1845	Sends an ext event to the client.
1207		1846
1208	=cut	1847	=cut
1209		1848
1210	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1212		1851
1213	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1214	}	1853	}
1215		1854
1216	=head3 cf::region	1855	=head3 cf::region
1217		1856
1218	=over 4	1857	=over 4
…		…
1221		1860
1222	package cf::region;	1861	package cf::region;
1223		1862
1224	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1225		1864
1226	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.
1227		1866
1228	=cut	1867	=cut
1229		1868
1230	sub find_by_path($) {	1869	sub find_by_path($) {
1231	my ($path) = @_;	1870	my ($path) = @_;
1232		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1233	my ($match, $specificity);	1874	my ($match, $specificity);
1234		1875
1235	for my $region (list) {	1876	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1239	}	1880	}
1240	}	1881	}
1241		1882
…		…
1262	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1264		1905
1265	sub generate_random_map {	1906	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1268	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1280	)
1281	}	1912	}
1282		1913
1283	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1284		1915
1285	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
…		…
1290		1921
1291	sub register {	1922	sub register {
1292	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1924	my $pkg = caller;
1294		1925
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1927
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1929	}
1300		1930
1301	# also paths starting with '/'	1931	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1933
1304	sub thawer_merge {	1934	sub thawer_merge {
1305	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1306		1936
1307	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1312	}	1942	}
1313		1943
1314	sub normalise {	1944	sub normalise {
1315	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1316		1946
1317	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1318		1948
1319	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1320		1950
1321	# map plan:	1951	# map plan:
1322	#	1952	#
…		…
1337	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1338	$path = "$base/$path";	1968	$path = "$base/$path";
1339	}	1969	}
1340		1970
1341	for ($path) {	1971	for ($path) {
1342	redo if s{//}{/};
1343	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1344	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1345	}	1974	}
1346		1975
1347	$path	1976	$path
…		…
1361	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1362	return $self;	1991	return $self;
1363	}	1992	}
1364	}	1993	}
1365		1994
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1367	()	1996	()
1368	}	1997	}
1369		1998
		1999	# may re-bless or do other evil things
1370	sub init {	2000	sub init {
1371	my ($self) = @_;	2001	my ($self) = @_;
1372		2002
1373	$self	2003	$self
1374	}	2004	}
…		…
1393		2023
1394	# the temporary/swap location	2024	# the temporary/swap location
1395	sub save_path {	2025	sub save_path {
1396	my ($self) = @_;	2026	my ($self) = @_;
1397		2027
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1400	}	2030	}
1401		2031
1402	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1403	sub uniq_path {	2033	sub uniq_path {
1404	my ($self) = @_;	2034	my ($self) = @_;
1405		2035
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	2038	}
1418		2039
1419	sub decay_objects {	2040	sub decay_objects {
1420	my ($self) = @_;	2041	my ($self) = @_;
1421		2042
…		…
1434		2055
1435	sub load_header_from($) {	2056	sub load_header_from($) {
1436	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1437		2058
1438	utf8::encode $path;	2059	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	2061	or return;
1444		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1445	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1446		2070
1447	1	2071	1
1448	}	2072	}
1449		2073
		2074	# used to laod the header of an original map
1450	sub load_header_orig {	2075	sub load_header_orig {
1451	my ($self) = @_;	2076	my ($self) = @_;
1452		2077
1453	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1454	}	2079	}
1455		2080
		2081	# used to laod the header of an instantiated map
1456	sub load_header_temp {	2082	sub load_header_temp {
1457	my ($self) = @_;	2083	my ($self) = @_;
1458		2084
1459	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1460	}	2086	}
1461		2087
		2088	# called after loading the header from an instantiated map
1462	sub prepare_temp {	2089	sub prepare_temp {
1463	my ($self) = @_;	2090	my ($self) = @_;
1464		2091
1465	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1466	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1467	# safety	2094	# safety
1468	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1469	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1470	}	2097	}
1471		2098
		2099	# called after loading the header from an original map
1472	sub prepare_orig {	2100	sub prepare_orig {
1473	my ($self) = @_;	2101	my ($self) = @_;
1474		2102
1475	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1476	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1500		2128
1501	sub find;	2129	sub find;
1502	sub find {	2130	sub find {
1503	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1504		2132
		2133	cf::cede_to_tick;
		2134
1505	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1506		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2139
1509	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1512	or return;	2142	or return;
1513		2143
1514	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1515		2145
…		…
1517	or return;	2147	or return;
1518		2148
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1522	$map->reset;	2154	$map->reset;
1523	undef $guard;
1524	return find $path;	2155	return find $path;
1525	}	2156	}
1526		2157
1527	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1528	}	2159	}
1529	}	2160	}
1530		2161
1531	sub pre_load { }	2162	sub pre_load { }
1532	sub post_load { }	2163	#sub post_load { } # XS
1533		2164
1534	sub load {	2165	sub load {
1535	my ($self) = @_;	2166	my ($self) = @_;
1536		2167
1537	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1538		2169
1539	my $path = $self->{path};	2170	my $path = $self->{path};
1540		2171
1541	{	2172	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1543		2174
		2175	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2177
1546	$self->in_memory (cf::MAP_LOADING);	2178	$self->in_memory (cf::MAP_LOADING);
1547		2179
1548	$self->alloc;	2180	$self->alloc;
1549		2181
1550	$self->pre_load;	2182	$self->pre_load;
1551	Coro::cede;	2183	cf::cede_to_tick;
1552		2184
1553	$self->_load_objects ($self->{load_path}, 1)	2185	if (exists $self->{load_path}) {
		2186	my $f = new_from_file cf::object::thawer $self->{load_path};
		2187	$f->skip_block;
		2188	$self->_load_objects ($f)
1554	or return;	2189	or return;
1555		2190
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1557	if delete $self->{load_original};	2192	if delete $self->{load_original};
1558		2193
1559	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2195	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2196	unless (aio_stat $uniq) {
		2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2198	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2199	$self->_load_objects ($f);
		2200	$f->resolve_delayed_derefs;
		2201	}
		2202	}
1564	}	2203	}
1565	}
1566		2204
1567	Coro::cede;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
		2210
		2211	cf::cede_to_tick;
1568	# now do the right thing for maps	2212	# now do the right thing for maps
1569	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2215	unless $self->difficulty;
1572	Coro::cede;	2216	cf::cede_to_tick;
1573		2217
1574	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2219	$self->decay_objects;
1576	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1577	$self->update_buttons;	2221	$self->update_buttons;
1578	Coro::cede;	2222	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2223	$self->activate;
1582	}	2224	}
1583		2225
		2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
		2228
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2230	}
1586		2231
1587	$self->post_load;	2232	$self->post_load;
1588	}
1589		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2240	sub customise_for {
1591	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1592		2242
1593	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2244	if $self->per_player;
…		…
1598		2248
1599	$self	2249	$self
1600	}	2250	}
1601		2251
1602	# find and load all maps in the 3x3 area around a map	2252	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2253	sub load_neighbours {
1604	my ($map) = @_;	2254	my ($map) = @_;
1605		2255
1606	my @diag; # diagonal neighbours	2256	my @neigh; # diagonal neighbours
1607		2257
1608	for (0 .. 3) {	2258	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2259	my $neigh = $map->tile_path ($_)
1610	or next;	2260	or next;
1611	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1612	or next;	2262	or next;
1613	$neigh->load;	2263	$neigh->load;
1614		2264
		2265	# now find the diagonal neighbours
		2266	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2269	}
1618		2270
1619	for (@diag) {	2271	for (grep defined $_->[0], @neigh) {
		2272	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2273	my $neigh = find $path, $origin
1621	or next;	2274	or next;
1622	$neigh->load;	2275	$neigh->load;
1623	}	2276	}
1624	}	2277	}
1625		2278
1626	sub find_sync {	2279	sub find_sync {
1627	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
1628		2281
1629	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
1630	}	2286	}
1631		2287
1632	sub do_load_sync {	2288	sub do_load_sync {
1633	my ($map) = @_;	2289	my ($map) = @_;
1634		2290
1635	cf::sync_job { $map->load };	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1636	}	2295	}
1637		2296
1638	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1640		2299
1641	sub find_async {	2300	sub find_async {
1642	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1643		2302
1644	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1645		2304
1646	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2307	}
1649		2308
1650	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1651	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1652	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2316	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2317	$map->load if $v;
		2318	}
1657		2319
1658	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1659	}	2321	}
1660	}	2322	}
1661	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1662	};	2324	};
1663	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1664		2326
1665	()	2327	()
1666	}	2328	}
1667		2329
		2330	# common code, used by both ->save and ->swapout
1668	sub save {	2331	sub _save {
1669	my ($self) = @_;	2332	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2333
1673	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1674		2335
1675	return unless $self->dirty;	2336	return unless $self->dirty;
1676		2337
…		…
1682	return if $self->{deny_save};	2343	return if $self->{deny_save};
1683		2344
1684	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1685		2346
1686	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1688	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1689		2353
1690	if ($uniq) {	2354	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2357	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2359	}
1696	}	2360	}
1697		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1698	sub swap_out {	2370	sub swap_out {
1699	my ($self) = @_;	2371	my ($self) = @_;
1700		2372
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
1706	return if $self->players;	2377	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1710	$self->clear;	2388	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2389	}
1713		2390
1714	sub reset_at {	2391	sub reset_at {
1715	my ($self) = @_;	2392	my ($self) = @_;
1716		2393
…		…
1734		2411
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2413
1737	return if $self->players;	2414	return if $self->players;
1738		2415
1739	warn "resetting map ", $self->path;	2416	cf::trace "resetting map ", $self->path, "\n";
1740		2417
1741	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
1742		2419
1743	# need to save uniques path	2420	# need to save uniques path
1744	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2425	if $uniq;
1749	}	2426	}
1750		2427
1751	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1752		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2432	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2433
1757	$self->unlink_save;	2434	$self->unlink_save;
1758	$self->destroy;	2435	$self->destroy;
1759	}	2436	}
1760		2437
1761	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1762		2439
1763	sub nuke {	2440	sub nuke {
1764	my ($self) = @_;	2441	my ($self) = @_;
1765		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1766	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1767		2447
1768	$self->unlink_save;	2448	$self->unlink_save;
1769		2449
1770	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2455
1776	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1777		2458
1778	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
		2460	}
		2461
		2462	=item $maps = cf::map::tmp_maps
		2463
		2464	Returns an arrayref with all map paths of currently instantiated and saved
		2465	maps. May block.
		2466
		2467	=cut
		2468
		2469	sub tmp_maps() {
		2470	[
		2471	map {
		2472	utf8::decode $_;
		2473	/\.map$/
		2474	? normalise $_
		2475	: ()
		2476	} @{ aio_readdir $TMPDIR or [] }
		2477	]
		2478	}
		2479
		2480	=item $maps = cf::map::random_maps
		2481
		2482	Returns an arrayref with all map paths of currently instantiated and saved
		2483	random maps. May block.
		2484
		2485	=cut
		2486
		2487	sub random_maps() {
		2488	[
		2489	map {
		2490	utf8::decode $_;
		2491	/\.map$/
		2492	? normalise "?random/$_"
		2493	: ()
		2494	} @{ aio_readdir $RANDOMDIR or [] }
		2495	]
1779	}	2496	}
1780		2497
1781	=item cf::map::unique_maps	2498	=item cf::map::unique_maps
1782		2499
1783	Returns an arrayref of paths of all shared maps that have	2500	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2501	instantiated unique items. May block.
1785		2502
1786	=cut	2503	=cut
1787		2504
1788	sub unique_maps() {	2505	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2506	[
1790	or return;	2507	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2508	utf8::decode $_;
1796	next if /\.pst$/;	2509	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2511	? ()
1799	push @paths, cf::map::normalise $_;	2512	: normalise $_
		2513	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2514	]
1801
1802	\@paths
1803	}	2515	}
1804		2516
1805	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
1806		2548
1807	=back	2549	=back
1808		2550
1809	=head3 cf::object	2551	=head3 cf::object
1810		2552
…		…
1814		2556
1815	=over 4	2557	=over 4
1816		2558
1817	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1818		2560
1819	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
1820		2563
1821	=cut	2564	=cut
1822		2565
1823	sub inv_recursive_;	2566	sub inv_recursive_;
1824	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1827		2570
1828	sub inv_recursive {	2571	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1830	}	2573	}
1831		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
1832	package cf;	2603	package cf;
1833		2604
1834	=back	2605	=back
1835		2606
1836	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1845		2616
1846	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
1847		2632
1848	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2634	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1853		2638
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2640
1856	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1858	} else {	2644	} else {
		2645	my $pl = $self->contr;
		2646
		2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2648	my $dialog = $pl->{npc_dialog};
		2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2650
		2651	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1861	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
1862	}	2666	}
1863		2667
1864	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1865		2669
1866	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1879		2683
1880	=item $player_object->enter_link	2684	=item $player_object->enter_link
1881		2685
1882	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
1883		2687
1884	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
1885	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
1886		2692
1887	Will never block.	2693	Will never block.
1888		2694
1889	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1890		2696
…		…
1910	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1911	my ($self) = @_;	2717	my ($self) = @_;
1912		2718
1913	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1914		2720
		2721	++$self->{_link_recursion};
		2722
1915	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1916		2724
1917	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1918	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
1919		2727
1920	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1921	}	2729	}
1922		2730
1923	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1924	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
1925		2733
…		…
1942	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
1943	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
1944		2752
1945	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
1948		2756
1949	$map->load;	2757	$map->load;
1950	$map->load_diag;	2758	$map->load_neighbours;
1951		2759
1952	return unless $self->contr->active;	2760	return unless $self->contr->active;
1953	$self->activate_recursive;
1954		2761
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
1957	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
1958		2769
		2770	}
		2771
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1960		2773
1961	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2776	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
1965		2782
1966	=cut	2783	=cut
1967		2784
1968	our $GOTOGEN;	2785	our $GOTOGEN;
1969		2786
1970	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
1972		2795
1973	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2798
1976	$self->enter_link;	2799	$self->enter_link;
1977		2800
1978	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
1979	my $map = eval {	2823	my $map = eval {
1980	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1981		2825
1982	if ($map) {	2826	if ($map) {
1983	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
1985	} else {	2829	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2831	}
1988		2832
1989	$map	2833	$map
1990	};	2834	};
1991		2835
…		…
1996		2840
1997	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2000	}	2844	}
		2845
		2846	$done->($self) if $done;
2001	})->prio (1);	2847	})->prio (1);
2002	}	2848	}
2003		2849
2004	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2005		2851
…		…
2025	}	2871	}
2026		2872
2027	sub prepare_random_map {	2873	sub prepare_random_map {
2028	my ($exit) = @_;	2874	my ($exit) = @_;
2029		2875
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2878	# that depends on the exit object
2035		2879
2036	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2882	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2043	}	2889	}
2044		2890
2045	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2046		2892
2047	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2050		2896
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2899	undef $fh;
2054	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2055		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2058	}	2908	}
2059	}	2909	}
2060		2910
2061	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2063		2913
2064	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2065		2915
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2916	$self->enter_link;
2078		2917
2079	(async {	2918	(async {
2080	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2081	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
2082	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2083		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
2084	1;	2955	1
2085	}) {	2956	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2087	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2090		2961
2091	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2092	$self->leave_link;	2963	$self->leave_link;
2093	}	2964	}
2094	})->prio (1);	2965	})->prio (1);
2095	}	2966	}
2096		2967
…		…
2110		2981
2111	utf8::encode $text;	2982	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2984	}
2114		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
		3009	}
		3010
		3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3012
		3013	Send a drawinfo or msg packet to the client, formatting the msg for the
		3014	client if neccessary. C<$type> should be a string identifying the type of
		3015	the message, with C<log> being the default. If C<$color> is negative, suppress
		3016	the message unless the client supports the msg packet.
		3017
		3018	=cut
		3019
		3020	# non-persistent channels (usually the info channel)
		3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
		3028	"c/identify" => {
		3029	id => "infobox",
		3030	title => "Identify",
		3031	reply => undef,
		3032	tooltip => "Items recently identified",
		3033	},
		3034	"c/examine" => {
		3035	id => "infobox",
		3036	title => "Examine",
		3037	reply => undef,
		3038	tooltip => "Signs and other items you examined",
		3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
		3052	"c/lookat" => {
		3053	id => "infobox",
		3054	title => "Look",
		3055	reply => undef,
		3056	tooltip => "What you saw there",
		3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
		3132	);
		3133
		3134	sub cf::client::send_msg {
		3135	my ($self, $channel, $msg, $color, @extra) = @_;
		3136
		3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
		3139
		3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3141
		3142	# check predefined channels, for the benefit of C
		3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
		3149	} elsif (ref $channel) {
		3150	# send meta info to client, if not yet sent
		3151	unless (exists $self->{channel}{$channel->{id}}) {
		3152	$self->{channel}{$channel->{id}} = $channel;
		3153	$self->ext_msg (channel_info => $channel);
		3154	}
		3155
		3156	$channel = $channel->{id};
		3157	}
		3158
		3159	return unless @extra || length $msg;
		3160
		3161	# default colour, mask it out
		3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3163	if $color & cf::NDI_DEF;
		3164
		3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
		3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3168	);
		3169
		3170	$self->send_big_packet ($pkt);
		3171	}
		3172
2115	=item $client->ext_event ($type, %msg)	3173	=item $client->ext_msg ($type, @msg)
2116		3174
2117	Sends an exti event to the client.	3175	Sends an ext event to the client.
2118		3176
2119	=cut	3177	=cut
2120		3178
2121	sub cf::client::ext_event($$%) {	3179	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	3180	my ($self, $type, @msg) = @_;
2123		3181
		3182	if ($self->extcmd == 2) {
		3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3184	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	3185	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3187	}
		3188	}
		3189
		3190	=item $client->ext_reply ($msgid, @msg)
		3191
		3192	Sends an ext reply to the client.
		3193
		3194	=cut
		3195
		3196	sub cf::client::ext_reply($$@) {
		3197	my ($self, $id, @msg) = @_;
		3198
		3199	if ($self->extcmd == 2) {
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3201	} elsif ($self->extcmd == 1) {
		3202	#TODO: version 1, remove
		3203	unshift @msg, msgtype => "reply", msgid => $id;
		3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3205	}
2126	}	3206	}
2127		3207
2128	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2129		3209
2130	Queues a query to the client, calling the given callback with	3210	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3211	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3212	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		3213
2134	Queries can fail, so check the return code. Or don't, as queries will become	3214	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	3215	become reliable at some point in the future.
2136		3216
2137	=cut	3217	=cut
2138		3218
2139	sub cf::client::query {	3219	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	3220	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	3228	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3229	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		3230
2151	$self->send_packet ($self->{query_queue}[0][0])	3231	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	3232	if @{ $self->{query_queue} } == 1;
		3233
		3234	1
2153	}	3235	}
2154		3236
2155	cf::client->attach (	3237	cf::client->attach (
		3238	on_connect => sub {
		3239	my ($ns) = @_;
		3240
		3241	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3242	},
2156	on_reply => sub {	3243	on_reply => sub {
2157	my ($ns, $msg) = @_;	3244	my ($ns, $msg) = @_;
2158		3245
2159	# this weird shuffling is so that direct followup queries	3246	# this weird shuffling is so that direct followup queries
2160	# get handled first	3247	# get handled first
…		…
2172	} else {	3259	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3260	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	3261	}
2175	}	3262	}
2176	},	3263	},
		3264	on_exticmd => sub {
		3265	my ($ns, $buf) = @_;
		3266
		3267	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3268
		3269	if (ref $msg) {
		3270	my ($type, $reply, @payload) =
		3271	"ARRAY" eq ref $msg
		3272	? @$msg
		3273	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3274
		3275	my @reply;
		3276
		3277	if (my $cb = $EXTICMD{$type}) {
		3278	@reply = $cb->($ns, @payload);
		3279	}
		3280
		3281	$ns->ext_reply ($reply, @reply)
		3282	if $reply;
		3283
		3284	} else {
		3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3286	}
		3287
		3288	cf::override;
		3289	},
2177	);	3290	);
2178		3291
2179	=item $client->async (\&cb)	3292	=item $client->async (\&cb)
2180		3293
2181	Create a new coroutine, running the specified callback. The coroutine will	3294	Create a new coroutine, running the specified callback. The coroutine will
…		…
2197		3310
2198	$coro	3311	$coro
2199	}	3312	}
2200		3313
2201	cf::client->attach (	3314	cf::client->attach (
2202	on_destroy => sub {	3315	on_client_destroy => sub {
2203	my ($ns) = @_;	3316	my ($ns) = @_;
2204		3317
2205	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2206	},	3319	},
2207	);	3320	);
…		…
2222	our $safe = new Safe "safe";	3335	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2224		3337
2225	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2226		3339
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3340	$safe->permit_only (Opcode::opset qw(
		3341	:base_core :base_mem :base_orig :base_math :base_loop
		3342	grepstart grepwhile mapstart mapwhile
		3343	sort time
		3344	));
2228		3345
2229	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
2230		3347
2231	=pod	3348	=pod
2232		3349
2233	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2234		3351
2235	cf::object contr pay_amount pay_player map	3352	cf::object
		3353	contr pay_amount pay_player map x y force_find force_add destroy
		3354	insert remove name archname title slaying race decrease split
		3355	value
		3356
2236	cf::object::player player	3357	cf::object::player
2237	cf::player peaceful	3358	player
2238	cf::map trigger	3359
		3360	cf::player
		3361	peaceful
		3362
		3363	cf::map
		3364	trigger
2239		3365
2240	=cut	3366	=cut
2241		3367
2242	for (	3368	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3370	insert remove inv nrof name archname title slaying race
		3371	decrease split destroy change_exp value msg lore send_msg)],
2244	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2246	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2247	) {	3375	) {
2248	no strict 'refs';
2249	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2250	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2251	for @funs;	3378	for @funs;
2252	}	3379	}
2253		3380
…		…
2268		3395
2269	my $qcode = $code;	3396	my $qcode = $code;
2270	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2271	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2272		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2273	local $_;	3403	local $_;
2274	local @safe::cf::_safe_eval_args = values %vars;
2275		3404
2276	my $eval =	3405	my $eval =
2277	"do {\n"	3406	"do {\n"
2278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2279	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2280	. $code	3409	. $code
2281	. "\n}"	3410	. "\n}"
2282	;	3411	;
2283		3412
		3413	if ($CFG{safe_eval}) {
2284	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2285	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2286	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2287		3422
2288	if ($@) {	3423	if ($@) {
2289	warn "$@";	3424	warn "$@",
2290	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2291	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2292	}	3427	}
2293		3428
2294	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2295	}	3430	}
2296		3431
…		…
2310	=cut	3445	=cut
2311		3446
2312	sub register_script_function {	3447	sub register_script_function {
2313	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2314		3449
2315	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2316	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2317	}	3452	}
2318		3453
2319	=back	3454	=back
2320		3455
2321	=cut	3456	=cut
2322
2323	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494		3457
2495	#############################################################################	3458	#############################################################################
2496	# the server's init and main functions	3459	# the server's init and main functions
2497		3460
2498	sub load_facedata($) {	3461	sub load_facedata($) {
2499	my ($path) = @_;	3462	my ($path) = @_;
2500		3463
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3469
2501	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2502		3471
2503	my $facedata;	3472	my $facedata = decode_storable load_file $path;
2504	0 < aio_load $path, $facedata
2505	or die "$path: $!";
2506
2507	$facedata = Coro::Storable::thaw $facedata;
2508		3473
2509	$facedata->{version} == 2	3474	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3476
		3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3479	$facedata->{resource}{"res/exp_table"} = {
		3480	type => FT_RSRC,
		3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
		3483	};
		3484	cf::cede_to_tick;
		3485
2512	{	3486	{
2513	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
2514		3488
2515	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3492	cf::face::set_visibility $idx, $info->{visibility};
		3493	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2520	Coro::cede;	3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3497
		3498	cf::cede_to_tick;
2521	}	3499	}
2522		3500
2523	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
2525	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
2526	or next;	3505	or next;
		3506
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
		3508	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3510	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3512	}
2532	Coro::cede;	3513
		3514	cf::cede_to_tick;
2533	}	3515	}
2534	}	3516	}
2535		3517
2536	{	3518	{
2537	my $anims = $facedata->{animinfo};	3519	my $anims = $facedata->{animinfo};
2538		3520
2539	while (my ($anim, $info) = each %$anims) {	3521	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3522	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3523	cf::cede_to_tick;
2542	}	3524	}
2543		3525
2544	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
2545	}	3527	}
2546		3528
		3529	{
		3530	my $res = $facedata->{resource};
		3531
		3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
		3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3535
		3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3537	cf::face::set_type $idx, $info->{type};
		3538	} else {
		3539	$RESOURCE{$name} = $info; # unused
		3540	}
		3541
		3542	cf::cede_to_tick;
		3543	}
		3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3547
2547	1	3548	1
2548	}	3549	}
2549		3550
		3551	register_exticmd fx_want => sub {
		3552	my ($ns, $want) = @_;
		3553
		3554	while (my ($k, $v) = each %$want) {
		3555	$ns->fx_want ($k, $v);
		3556	}
		3557	};
		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
		3568
2550	sub reload_regions {	3569	sub reload_regions {
		3570	# HACK to clear player env face cache, we need some signal framework
		3571	# for this (global event?)
		3572	%ext::player_env::MUSIC_FACE_CACHE = ();
		3573
2551	load_resource_file "$MAPDIR/regions"	3574	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3575	or die "unable to load regions file\n";
		3576
		3577	for (cf::region::list) {
		3578	$_->{match} = qr/$_->{match}/
		3579	if exists $_->{match};
		3580	}
2553	}	3581	}
2554		3582
2555	sub reload_facedata {	3583	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3584	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3585	or die "unable to load facedata\n";
…		…
2565	sub reload_treasures {	3593	sub reload_treasures {
2566	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
2567	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
2568	}	3596	}
2569		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
2570	sub reload_resources {	3618	sub reload_resources {
2571	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
2572		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
2573	reload_regions;	3626	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3627	reload_treasures;
2578		3628
2579	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
2580	}	3630	}
2581		3631
2582	sub init {	3632	sub reload_config {
2583	reload_resources;	3633	trace "reloading config file...\n";
2584	}
2585		3634
2586	sub cfg_load {	3635	my $config = load_file "$CONFDIR/config";
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3636	utf8::decode $config;
2588	or return;	3637	*CFG = decode_yaml $config;
2589		3638
2590	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;
2592
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2594		3640
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2597		3643
2598	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
2602	};	3648	};
2603	warn $@ if $@;	3649	warn $@ if $@;
2604	}	3650	}
2605	}	3651	}
2606		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
2607	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
2608	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3694	(async {
2612	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
2614	};	3698	};
2615		3699
2616	cfg_load;	3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
		3712	reload_config;
2617	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
2618	load_extensions;	3723	load_extensions;
2619		3724
2620	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
2621	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
2622	}	3743	}
2623		3744
2624	#############################################################################	3745	#############################################################################
2625	# initialisation and cleanup	3746	# initialisation and cleanup
2626		3747
2627	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
2628	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
2637	},
2638	);	3754	};
		3755	}
		3756	}
		3757
		3758	sub write_runtime_sync {
		3759	my $t0 = AE::time;
		3760
		3761	# first touch the runtime file to show we are still running:
		3762	# the fsync below can take a very very long time.
		3763
		3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3765
		3766	my $guard = cf::lock_acquire "write_runtime";
		3767
		3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3769	or return;
		3770
		3771	my $value = $cf::RUNTIME + 90 + 10;
		3772	# 10 is the runtime save interval, for a monotonic clock
		3773	# 60 allows for the watchdog to kill the server.
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	# touch it again to show we are up-to-date
		3783	aio_utime $fh, undef, undef;
		3784
		3785	close $fh
		3786	or return;
		3787
		3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3789	and return;
		3790
		3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3792
2639	}	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
2640	}	3844	}
2641		3845
2642	sub emergency_save() {	3846	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
2644		3848
2645	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
2646		3855
2647	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
2648	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
2649	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
2650	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
2652	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3867	$pl->save;
2656	}	3868	}
2657	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
2658		3870
2659	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
2660	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
2661	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
2662	$map->valid or next;	3876	$map->valid or next;
2663	$map->save;	3877	$map->save;
2664	}	3878	}
2665	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
2666		3880
2667	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
2670	};	3909	};
2671		3910
2672	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
2673	}	3912	}
2674		3913
2675	sub post_cleanup {	3914	sub post_cleanup {
2676	my ($make_core) = @_;	3915	my ($make_core) = @_;
2677		3916
		3917	IO::AIO::flush;
		3918
2678	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
2679	if $make_core;	3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
2680	}	3949	}
2681		3950
2682	sub do_reload_perl() {	3951	sub do_reload_perl() {
2683	# can/must only be called in main	3952	# can/must only be called in main
2684	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
2685	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
2686	return;	3955	return;
2687	}	3956	}
2688		3957
2689	warn "reloading...";	3958	return if $RELOAD++;
2690		3959
2691	warn "entering sync_job";	3960	my $t1 = AE::time;
2692		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
2693	cf::sync_job {	3968	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark
2695	cf::emergency_save;	3969	#cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark
2697		3970
2698	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;
2700
2701	# if anything goes wrong in here, we should simply crash as we already saved
2702
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";
2709	for (;;) {
2710	BDB::flush;
2711	IO::AIO::flush;
2712	Coro::cede;
2713	last unless IO::AIO::nreqs || BDB::nreqs;
2714	warn "iterate...";
2715	}
2716
2717	++$RELOAD;
2718
2719	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
2720	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
2721	%EXT_CORO = ();	3973	%EXT_CORO = ();
2722		3974
2723	warn "removing commands";	3975	trace "perl_reload: removing commands";
2724	%COMMAND = ();	3976	%COMMAND = ();
2725		3977
2726	warn "removing ext commands";	3978	trace "perl_reload: removing ext/exti commands";
2727	%EXTCMD = ();	3979	%EXTCMD = ();
		3980	%EXTICMD = ();
2728		3981
2729	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
2732		3985
2733	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
2734	eval {	3987	eval {
2735	$cb->($pkg);	3988	$cb->($pkg);
2736	1	3989	1
2737	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
2738	}	3995	}
2739		3996
2740	warn "... nuking $pkg";
2741	Symbol::delete_package $pkg;
2742	}
2743
2744	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2745	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747		4000
2748	warn "... unloading $k";	4001	trace "... unloading $k";
2749	delete $INC{$k};	4002	delete $INC{$k};
2750		4003
2751	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
2752	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
2753		4006
2754	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
2755	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
2756	}	4012	}
2757		4013
2758	Symbol::delete_package $k;
2759	}
2760
2761	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
2762	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764		4017
2765	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
2766	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
2767	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2768		4021
2769	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
2770	# and global variables created in xs	4023	# and global variables created in xs
2771	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
2772		4025
2773	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
2774		4027
2775	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
2776	require cf;	4029	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
2778		4031
2779	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
2780	cf::cfg_load;	4033	cf::reload_config;
2781		4034
2782	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
2783	cf::load_extensions;	4036	cf::load_extensions;
2784		4037
		4038	if ($REATTACH_ON_RELOAD) {
2785	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
2786	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
2787	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
2788	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
2789	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
2790	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
2791		4046
2792	warn "leaving sync_job";	4047	cf::_post_init 1;
2793		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
2794	1	4051	1
2795	} or do {	4052	} or do {
2796	warn $@;	4053	error $@;
2797	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
2798	exit 1;	4055	};
		4056
		4057	--$RELOAD;
2799	};	4058	}
2800		4059
2801	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
2802	};	4062	};
2803		4063
2804	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
2805		4065
2806	sub reload_perl() {	4066	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
2809		4069
2810	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
2811	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
2812	after => 0,	4072
2813	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2814	cb => sub {
2815	do_reload_perl;	4074	do_reload_perl;
2816	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
2817	},	4076	};
2818	);	4077	};
2819	}	4078	}
2820		4079
2821	register_command "reload" => sub {	4080	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
2823		4082
2824	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
		4085	async {
		4086	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	4087	reload_perl;
		4088	};
2827	}	4089	}
2828	};	4090	};
2829		4091
2830	unshift @INC, $LIBDIR;	4092	#############################################################################
2831		4093
2832	my $bug_warning = 0;	4094	my $bug_warning = 0;
2833		4095
2834	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
2836		4098
2837	sub wait_for_tick {	4099	sub wait_for_tick() {
2838	return unless $TICK_WATCHER->is_active;
2839	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2840		4101
2841	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	4104	$signal->wait;
2844	}	4105	}
2845		4106
2846	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
2847	return unless $TICK_WATCHER->is_active;
2848	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2849		4109
2850	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	4112	$signal->wait;
2853	}	4113	}
2854		4114
2855	my $min = 1e6;#d#	4115	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
2867	return;	4119	return;
2868	}	4120	}
2869		4121
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
2873		4123
2874	0 && sync_job {#d#	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2875	for(1..10) {
2876	my $t = Event::time;
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2878	or die;
2879		4125
2880	$map->width (50);	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2881	$map->height (50);	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2882	$map->alloc;	4128	Coro::async_pool {
2883	$map->_load_objects ("/tmp/x.map", 1);	4129	$Coro::current->{desc} = "runtime saver";
2884	my $t = Event::time - $t;	4130	write_runtime_sync
2885		4131	or error "ERROR: unable to write runtime file: $!";
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	4132	};
		4133	}
2896		4134
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	4136	$sig->send;
2913	}	4137	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	4139	$sig->send;
2916	}	4140	}
2917		4141
2918	$NOW = Event::time;	4142	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		4144
2929	_post_tick;	4145	if (0) {
2930		4146	if ($NEXT_TICK) {
2931		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
2932	},	4151	}
2933	);	4152	}
2934		4153
2935	{	4154	{
2936	BDB::max_poll_time $TICK * 0.1;	4155	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	4156
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
2946		4158	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	4159	$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		4160
2962	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
		4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		4168
2965	cf::sync_job {	4169	cf::sync_job {
2966	eval {	4170	eval {
2967	BDB::db_env_open	4171	BDB::db_env_open
2968	$DB_ENV,	4172	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4174	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	4176	0666;
2973		4177
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	4179	};
2979		4180
2980	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	4182	};
2982	}	4183	}
		4184
		4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4187	};
		4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4190	};
		4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4193	};
2983	}	4194	}
2984		4195
2985	{	4196	{
		4197	# configure IO::AIO
		4198
2986	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	4202	}
2999		4203
3000	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
3001		4206
3002	sub _log_backtrace {	4207	sub _log_backtrace {
3003	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
3004		4209
3005	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
3006		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3007	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
3009	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
3010	async {	4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
3011	my @bt = fork_call {	4223	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4226	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	4227	or die "addr2line: $!";
…		…
3023	}	4235	}
3024		4236
3025	@funcs	4237	@funcs
3026	};	4238	};
3027		4239
3028	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3030	--$_log_backtrace;	4243	--$_log_backtrace;
3031	};	4244	};
3032	} else {	4245	} else {
3033	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3034	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3035	}	4248	}
3036	}	4249	}
3037		4250
3038	# load additional modules	4251	# load additional modules
3039	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3040		4254
3041	END { cf::emergency_save }	4255	END { cf::emergency_save }
3042		4256
3043	1	4257	1
3044		4258

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines