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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.561 by root, Fri Apr 22 06:10:33 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		145
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
98		155
99	binmode STDOUT;	156	binmode STDOUT;
100	binmode STDERR;	157	binmode STDERR;
101		158
102	# read virtual server time, if available	159	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
107	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
108		167
109	mkdir $_	168	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		170
112	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
113		172
114	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		189
116	#############################################################################	190	#############################################################################
117		191
118	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
119		193
…		…
155		229
156	The raw value load value from the last tick.	230	The raw value load value from the last tick.
157		231
158	=item %cf::CFG	232	=item %cf::CFG
159		233
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	235	from wherever your confdir points to.
162		236
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		238
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
169	=back	260	=back
170		261
171	=cut	262	=cut
172		263
173	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	271	my $msg = join "", @_;
176		272
177	$msg .= "\n"	273	$msg .= "\n"
178	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
179		275
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		277
182	utf8::encode $msg;
183	LOG llevError, $msg;	278	LOG llevWarn, $msg;
184	};	279	};
185	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
186		294
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	305	for my $pkg (qw(
198	cf::global cf::attachable	306	cf::global cf::attachable
199	cf::object cf::object::player	307	cf::object cf::object::player
200	cf::client cf::player	308	cf::client cf::player
201	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
202	cf::map cf::party cf::region	311	cf::party cf::region
203	)) {	312	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	314	}
207		315
208	$Event::DIED = sub {	316	$EV::DIED = sub {
209	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
210	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
211		326
212	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
213		328
214	=over 4	329	=over 4
215		330
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	350	$d
236	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
237	}	352	}
238		353
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
240		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
241	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
242		369
243	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
244		371
245	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
246		373
247	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
248		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
249	=item cf::lock_wait $string	445	=item cf::lock_wait $string
250		446
251	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
252		448
253	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
254		450
255	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
258	returned.	454	returned.
259		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
260	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
262		461
263	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
264		463
265	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
266		465
267	=cut	466	=cut
268		467
269	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
270		469
271	sub lock_wait($) {	470	sub lock_wait($) {
272	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	472	}
280		473
281	sub lock_acquire($) {	474	sub lock_acquire($) {
282	my ($key) = @_;	475	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	476	}
294		477
295	sub lock_active($) {	478	sub lock_active($) {
296	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	480	}
300		481
301	sub freeze_mainloop {	482	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
303		484
304	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
306	};	556	}
307	$TICK_WATCHER->stop;	557	};
308	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
309	}	572	}
310		573
311	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
312		575
313	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		581
319	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
320		583
321	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
322		585
323	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
326		590
327	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
330	fast or be very important.	594	fast or be very important.
…		…
332	=cut	596	=cut
333		597
334	sub sync_job(&) {	598	sub sync_job(&) {
335	my ($job) = @_;	599	my ($job) = @_;
336		600
337	if ($Coro::current == $Coro::main) {	601	if (in_main) {
338	my $time = Event::time;	602	my $time = AE::time;
339		603
340	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
342		606
343	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	608
345	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
346		610
347	my $busy = 1;	611	my $busy = 1;
348	my @res;	612	my @res;
349		613
350	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	616	@res = eval { $job->() };
352	warn $@ if $@;	617	error $@ if $@;
353	undef $busy;	618	undef $busy;
354	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
355		620
356	while ($busy) {	621	while ($busy) {
357	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
358	}	626	}
		627	}
359		628
360	$time = Event::time - $time;	629	my $time = AE::time - $time;
361		630
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
366		632
367	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
368	} else {	634	} else {
369	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
370		636
…		…
390	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
391		657
392	$coro	658	$coro
393	}	659	}
394		660
395	sub write_runtime {	661	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		662
398	# first touch the runtime file to show we are still running:	663	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
400		667
401	IO::AIO::aio_utime $runtime, undef, undef;	668	=cut
402		669
403	my $guard = cf::lock_acquire "write_runtime";	670	sub post_fork {
		671	reset_signals;
		672	}
404		673
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	674	sub fork_call(&@) {
406	or return;	675	my ($cb, @args) = @_;
407		676
408	my $value = $cf::RUNTIME + 90 + 10;	677	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	678	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	679	# TODO: investigate and fix (likely this will be rather laborious)
411		680
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	681	my @res = Coro::Util::fork_eval {
413	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
414		685
415	# always fsync - this file is important	686	wantarray ? @res : $res[-1]
416	aio_fsync $fh	687	}
417	and return;
418		688
419	# touch it again to show we are up-to-date	689	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";#d#
429
430	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
431	}	853	}
432		854
433	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
434		856
435	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
436		858
437	=cut	859	=cut
438		860
439	sub datalog($@) {	861	sub datalog($@) {
440	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	864	}
443		865
444	=back	866	=back
445		867
446	=cut	868	=cut
447		869
448	#############################################################################	870	#############################################################################
449		871
450	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
451		873
452	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
455		877
456	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	880	Deliantra).
459		881
460	=over 4	882	=over 4
461		883
462	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
463		885
…		…
507	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
508		930
509	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
511		933
512	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
514		936
515	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
516		938
517	=over 4	939	=over 4
…		…
641		1063
642	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1066
645	} elsif (ref $type) {	1067	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
647		1069
648	} else {	1070	} else {
649	shift @arg;	1071	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
651	}	1073	}
652	}	1074	}
653	}	1075	}
654		1076
655	sub _object_attach {	1077	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
666	}	1088	}
667		1089
668	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
669	} else {	1091	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1093	}
672		1094
673	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
674	}	1096	}
675		1097
…		…
715	";	1137	";
716	die if $@;	1138	die if $@;
717	}	1139	}
718		1140
719	our $override;	1141	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1143
722	sub override {	1144	sub override {
723	$override = 1;	1145	$override = 1;
724	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
725	}	1147	}
726		1148
727	sub do_invoke {	1149	sub do_invoke {
728	my $event = shift;	1150	my $event = shift;
729	my $callbacks = shift;	1151	my $callbacks = shift;
730		1152
731	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
732		1154
733	local $override;	1155	local $override;
734		1156
735	for (@$callbacks) {	1157	for (@$callbacks) {
736	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
737		1159
738	if ($@) {	1160	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1162	override;
742	}	1163	}
743		1164
744	return 1 if $override;	1165	return 1 if $override;
745	}	1166	}
746		1167
747	0	1168	0
748	}	1169	}
749		1170
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1172
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1174
754	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
755		1176
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1180
760	=back	1181	=back
761		1182
762	=cut	1183	=cut
763		1184
764	#############################################################################	1185	#############################################################################
765	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
766		1229
767	sub reattach {	1230	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1232	my ($obj) = @_;
770		1233
		1234	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1236
773	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
774		1238
775	@$registry = ();	1239	@$registry = ();
776		1240
…		…
781	for (@$attach) {	1245	for (@$attach) {
782	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
784	}	1248	}
785	} else {	1249	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1251	}
788	}	1252	}
789	}	1253	}
790		1254
791	cf::attachable->attach (	1255	cf::attachable->attach (
792	prio => -1000000,	1256	prio => -1000000,
793	on_instantiate => sub {	1257	on_instantiate => sub {
794	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
795		1259
796	$data = from_json $data;	1260	$data = decode_json $data;
797		1261
798	for (@$data) {	1262	for (@$data) {
799	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
800		1264
801	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1281	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
819		1283
820	sync_job {	1284	sync_job {
821	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
824		1290
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
829	close $fh;	1298	aio_close $fh;
830		1299
831	if (@$objs) {	1300	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
837	close $fh;	1309	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
839	}	1311	}
840	} else {	1312	} else {
841	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
842	}	1314	}
843		1315
844	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1320	} else {
846	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
847	}	1322	}
848	} else {	1323	} else {
849	aio_unlink $filename;	1324	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
851	}	1326	}
852	}	1327	};
853	}	1328	}
854		1329
855	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
857		1332
…		…
869	or return;	1344	or return;
870		1345
871	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
873	or return;	1348	or return;
		1349
874	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
875	}	1352	}
876		1353
		1354	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
879	return ($data, $av);	1359	($data, $av)
880	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
881		1367
882	#############################################################################	1368	#############################################################################
883	# command handling &c	1369	# command handling &c
884		1370
885	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1385	}
900		1386
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1388
903	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
904		1394
905	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
906	called.	1396	called.
907		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
908	=cut	1409	=cut
909		1410
910	sub register_extcmd {	1411	sub register_extcmd {
911	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
912		1413
913	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
914	}	1415	}
915		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
916	cf::player->attach (	1425	cf::player->attach (
917	on_command => sub {	1426	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
919		1428
920	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
921	or return;	1430	or return;
922		1431
…		…
927	cf::override;	1436	cf::override;
928	},	1437	},
929	on_extcmd => sub {	1438	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
931		1440
932	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1442
934	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
940	} else {	1458	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1460	}
943		1461
944	cf::override;	1462	cf::override;
945	},	1463	},
946	);	1464	);
947		1465
		1466	# "readahead" all extensions
948	sub load_extension {	1467	sub cache_extensions {
949	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
950		1469
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1473	}
976	die $@;
977	}	1474	};
978		1475
979	push @EXTS, $pkg;	1476	$grp
980	}	1477	}
981		1478
982	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
983	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1486	next unless -r $path;
985	eval {	1487
986	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
987	1	1551	}
988	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	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
1308	local $self->{path};	1938	local $self->{path};
1309	local $self->{load_path};	1939	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1940
1313	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1314	}	1942	}
1315		1943
1316	sub normalise {	1944	sub normalise {
1317	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1318		1946
1319	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1320		1948
1321	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1322		1950
1323	# map plan:	1951	# map plan:
1324	#	1952	#
…		…
1339	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1340	$path = "$base/$path";	1968	$path = "$base/$path";
1341	}	1969	}
1342		1970
1343	for ($path) {	1971	for ($path) {
1344	redo if s{//}{/};
1345	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1346	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1347	}	1974	}
1348		1975
1349	$path	1976	$path
…		…
1363	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1364	return $self;	1991	return $self;
1365	}	1992	}
1366	}	1993	}
1367		1994
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1369	()	1996	()
1370	}	1997	}
1371		1998
		1999	# may re-bless or do other evil things
1372	sub init {	2000	sub init {
1373	my ($self) = @_;	2001	my ($self) = @_;
1374		2002
1375	$self	2003	$self
1376	}	2004	}
…		…
1395		2023
1396	# the temporary/swap location	2024	# the temporary/swap location
1397	sub save_path {	2025	sub save_path {
1398	my ($self) = @_;	2026	my ($self) = @_;
1399		2027
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1402	}	2030	}
1403		2031
1404	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1405	sub uniq_path {	2033	sub uniq_path {
1406	my ($self) = @_;	2034	my ($self) = @_;
1407		2035
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1410	}	2038	}
1411		2039
1412	# and all this just because we cannot iterate over	2040	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	2041	my ($self) = @_;
1416		2042
1417	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1419	}	2046	}
1420		2047
1421	sub unlink_save {	2048	sub unlink_save {
1422	my ($self) = @_;	2049	my ($self) = @_;
1423		2050
…		…
1428		2055
1429	sub load_header_from($) {	2056	sub load_header_from($) {
1430	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1431		2058
1432	utf8::encode $path;	2059	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1438		2068
1439	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1440		2070
1441	1	2071	1
1442	}	2072	}
…		…
1481	$self->load_header_orig	2111	$self->load_header_orig
1482	or return;	2112	or return;
1483	$self->prepare_orig;	2113	$self->prepare_orig;
1484	}	2114	}
1485		2115
		2116	$self->{deny_reset} = 1
		2117	if $self->no_reset;
		2118
1486	$self->default_region (cf::region::find_by_path $self->{path})	2119	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2120	unless $self->default_region;
1488		2121
1489	1	2122	1
1490	}	2123	}
1491		2124
1492	sub find;	2125	sub find;
1493	sub find {	2126	sub find {
1494	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1495		2128
		2129	cf::cede_to_tick;
		2130
1496	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1497		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2135
1500	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1503	or return;	2138	or return;
1504		2139
1505	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1506		2141
1507	$map->load_header	2142	$map->load_header
1508	or return;	2143	or return;
1509		2144
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1513	$map->reset;	2150	$map->reset;
1514	undef $guard;
1515	return find $path;	2151	return find $path;
1516	}	2152	}
1517		2153
1518	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1519	}	2155	}
1520	}	2156	}
1521		2157
1522	sub pre_load { }	2158	sub pre_load { }
1523	sub post_load { }	2159	#sub post_load { } # XS
1524		2160
1525	sub load {	2161	sub load {
1526	my ($self) = @_;	2162	my ($self) = @_;
1527		2163
1528	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1529		2165
1530	my $path = $self->{path};	2166	my $path = $self->{path};
1531		2167
1532	{	2168	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1534		2170
		2171	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2173
1537	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1538		2175
1539	$self->alloc;	2176	$self->alloc;
1540		2177
1541	$self->pre_load;	2178	$self->pre_load;
1542	Coro::cede;	2179	cf::cede_to_tick;
1543		2180
		2181	my $f = new_from_file cf::object::thawer $self->{load_path};
		2182	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2183	$self->_load_objects ($f)
1545	or return;	2184	or return;
1546		2185
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2186	$self->post_load_original
1548	if delete $self->{load_original};	2187	if delete $self->{load_original};
1549		2188
1550	if (my $uniq = $self->uniq_path) {	2189	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2190	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2191	unless (aio_stat $uniq) {
		2192	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2193	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2194	$self->_load_objects ($f);
		2195	$f->resolve_delayed_derefs;
		2196	}
1555	}	2197	}
1556	}	2198	}
1557		2199
1558	Coro::cede;	2200	$f->resolve_delayed_derefs;
		2201
		2202	cf::cede_to_tick;
1559	# now do the right thing for maps	2203	# now do the right thing for maps
1560	$self->link_multipart_objects;	2204	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2205	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2206	unless $self->difficulty;
1563	Coro::cede;	2207	cf::cede_to_tick;
1564		2208
1565	unless ($self->{deny_activate}) {	2209	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2210	$self->decay_objects;
1567	$self->fix_auto_apply;	2211	$self->fix_auto_apply;
1568	$self->update_buttons;	2212	$self->update_buttons;
1569	Coro::cede;	2213	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2214	$self->activate;
1573	}	2215	}
1574		2216
		2217	$self->{last_save} = $cf::RUNTIME;
		2218	$self->last_access ($cf::RUNTIME);
		2219
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2220	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2221	}
1577		2222
1578	$self->post_load;	2223	$self->post_load;
1579	}
1580		2224
		2225	1
		2226	}
		2227
		2228	# customize the map for a given player, i.e.
		2229	# return the _real_ map. used by e.g. per-player
		2230	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2231	sub customise_for {
1582	my ($self, $ob) = @_;	2232	my ($self, $ob) = @_;
1583		2233
1584	return find "~" . $ob->name . "/" . $self->{path}	2234	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2235	if $self->per_player;
1586		2236
		2237	# return find "?party/" . $ob->name . "/" . $self->{path}
		2238	# if $self->per_party;
		2239
1587	$self	2240	$self
1588	}	2241	}
1589		2242
1590	# find and load all maps in the 3x3 area around a map	2243	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2244	sub load_neighbours {
1592	my ($map) = @_;	2245	my ($map) = @_;
1593		2246
1594	my @diag; # diagonal neighbours	2247	my @neigh; # diagonal neighbours
1595		2248
1596	for (0 .. 3) {	2249	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2250	my $neigh = $map->tile_path ($_)
1598	or next;	2251	or next;
1599	$neigh = find $neigh, $map	2252	$neigh = find $neigh, $map
1600	or next;	2253	or next;
1601	$neigh->load;	2254	$neigh->load;
1602		2255
		2256	# now find the diagonal neighbours
		2257	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2258	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2259	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2260	}
1606		2261
1607	for (@diag) {	2262	for (grep defined $_->[0], @neigh) {
		2263	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2264	my $neigh = find $path, $origin
1609	or next;	2265	or next;
1610	$neigh->load;	2266	$neigh->load;
1611	}	2267	}
1612	}	2268	}
1613		2269
1614	sub find_sync {	2270	sub find_sync {
1615	my ($path, $origin) = @_;	2271	my ($path, $origin) = @_;
1616		2272
1617	cf::sync_job { find $path, $origin }	2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1618	}	2277	}
1619		2278
1620	sub do_load_sync {	2279	sub do_load_sync {
1621	my ($map) = @_;	2280	my ($map) = @_;
1622		2281
1623	cf::sync_job { $map->load };	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	$map->load;
1624	}	2286	}
1625		2287
1626	our %MAP_PREFETCH;	2288	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2289	our $MAP_PREFETCHER = undef;
1628		2290
1629	sub find_async {	2291	sub find_async {
1630	my ($path, $origin) = @_;	2292	my ($path, $origin, $load) = @_;
1631		2293
1632	$path = normalise $path, $origin && $origin->{path};	2294	$path = normalise $path, $origin && $origin->{path};
1633		2295
1634	if (my $map = $cf::MAP{$path}) {	2296	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2297	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2298	}
1637		2299
1638	undef $MAP_PREFETCH{$path};	2300	$MAP_PREFETCH{$path} |= $load;
		2301
1639	$MAP_PREFETCHER ||= cf::async {	2302	$MAP_PREFETCHER ||= cf::async {
		2303	$Coro::current->{desc} = "map prefetcher";
		2304
1640	while (%MAP_PREFETCH) {	2305	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2306	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2307	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2308	$map->load if $v;
		2309	}
1645		2310
1646	delete $MAP_PREFETCH{$path};	2311	delete $MAP_PREFETCH{$k};
1647	}	2312	}
1648	}	2313	}
1649	undef $MAP_PREFETCHER;	2314	undef $MAP_PREFETCHER;
1650	};	2315	};
1651	$MAP_PREFETCHER->prio (6);	2316	$MAP_PREFETCHER->prio (6);
1652		2317
1653	()	2318	()
1654	}	2319	}
1655		2320
		2321	# common code, used by both ->save and ->swapout
1656	sub save {	2322	sub _save {
1657	my ($self) = @_;	2323	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2324
1661	$self->{last_save} = $cf::RUNTIME;	2325	$self->{last_save} = $cf::RUNTIME;
1662		2326
1663	return unless $self->dirty;	2327	return unless $self->dirty;
1664		2328
…		…
1670	return if $self->{deny_save};	2334	return if $self->{deny_save};
1671		2335
1672	local $self->{last_access} = $self->last_access;#d#	2336	local $self->{last_access} = $self->last_access;#d#
1673		2337
1674	cf::async {	2338	cf::async {
		2339	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2340	$_->contr->save for $self->players;
1676	};	2341	};
		2342
		2343	cf::get_slot 0.02;
1677		2344
1678	if ($uniq) {	2345	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2347	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2348	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2349	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2350	}
1684	}	2351	}
1685		2352
		2353	sub save {
		2354	my ($self) = @_;
		2355
		2356	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2357
		2358	$self->_save;
		2359	}
		2360
1686	sub swap_out {	2361	sub swap_out {
1687	my ($self) = @_;	2362	my ($self) = @_;
1688		2363
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2364	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2365
		2366	return if $self->in_memory != cf::MAP_ACTIVE;
		2367	return if $self->{deny_save};
1694	return if $self->players;	2368	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		2369
		2370	# first deactivate the map and "unlink" it from the core
		2371	$self->deactivate;
		2372	$_->clear_links_to ($self) for values %cf::MAP;
		2373	$self->in_memory (cf::MAP_SWAPPED);
		2374
		2375	# then atomically save
		2376	$self->_save;
		2377
		2378	# then free the map
1698	$self->clear;	2379	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2380	}
1701		2381
1702	sub reset_at {	2382	sub reset_at {
1703	my ($self) = @_;	2383	my ($self) = @_;
1704		2384
1705	# TODO: safety, remove and allow resettable per-player maps	2385	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2386	return 1e99 if $self->{deny_reset};
1708		2387
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2388	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2389	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2390
…		…
1722	my ($self) = @_;	2401	my ($self) = @_;
1723		2402
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2404
1726	return if $self->players;	2405	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2406
1729	warn "resetting map ", $self->path;#d#	2407	cf::trace "resetting map ", $self->path, "\n";
1730		2408
1731	$self->in_memory (cf::MAP_SWAPPED);	2409	$self->in_memory (cf::MAP_SWAPPED);
1732		2410
1733	# need to save uniques path	2411	# need to save uniques path
1734	unless ($self->{deny_save}) {	2412	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2416	if $uniq;
1739	}	2417	}
1740		2418
1741	delete $cf::MAP{$self->path};	2419	delete $cf::MAP{$self->path};
1742		2420
		2421	$self->deactivate;
		2422	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2423	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2424
1747	$self->unlink_save;	2425	$self->unlink_save;
1748	$self->destroy;	2426	$self->destroy;
1749	}	2427	}
1750		2428
1751	my $nuke_counter = "aaaa";	2429	my $nuke_counter = "aaaa";
1752		2430
1753	sub nuke {	2431	sub nuke {
1754	my ($self) = @_;	2432	my ($self) = @_;
1755		2433
		2434	{
		2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2436
1756	delete $cf::MAP{$self->path};	2437	delete $cf::MAP{$self->path};
1757		2438
1758	$self->unlink_save;	2439	$self->unlink_save;
1759		2440
1760	bless $self, "cf::map";	2441	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2442	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2443	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2444	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2445	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2446
1766	$cf::MAP{$self->path} = $self;	2447	$cf::MAP{$self->path} = $self;
		2448	}
1767		2449
1768	$self->reset; # polite request, might not happen	2450	$self->reset; # polite request, might not happen
		2451	}
		2452
		2453	=item $maps = cf::map::tmp_maps
		2454
		2455	Returns an arrayref with all map paths of currently instantiated and saved
		2456	maps. May block.
		2457
		2458	=cut
		2459
		2460	sub tmp_maps() {
		2461	[
		2462	map {
		2463	utf8::decode $_;
		2464	/\.map$/
		2465	? normalise $_
		2466	: ()
		2467	} @{ aio_readdir $TMPDIR or [] }
		2468	]
		2469	}
		2470
		2471	=item $maps = cf::map::random_maps
		2472
		2473	Returns an arrayref with all map paths of currently instantiated and saved
		2474	random maps. May block.
		2475
		2476	=cut
		2477
		2478	sub random_maps() {
		2479	[
		2480	map {
		2481	utf8::decode $_;
		2482	/\.map$/
		2483	? normalise "?random/$_"
		2484	: ()
		2485	} @{ aio_readdir $RANDOMDIR or [] }
		2486	]
1769	}	2487	}
1770		2488
1771	=item cf::map::unique_maps	2489	=item cf::map::unique_maps
1772		2490
1773	Returns an arrayref of paths of all shared maps that have	2491	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2492	instantiated unique items. May block.
1775		2493
1776	=cut	2494	=cut
1777		2495
1778	sub unique_maps() {	2496	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2497	[
1780	or return;	2498	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2499	utf8::decode $_;
1786	next if /\.pst$/;	2500	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2501	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2502	? ()
1789	push @paths, cf::map::normalise $_;	2503	: normalise $_
		2504	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2505	]
1791
1792	\@paths
1793	}	2506	}
1794		2507
1795	package cf;	2508	=item cf::map::static_maps
		2509
		2510	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2511	file in the shared directory excluding F</styles> and F</editor>). May
		2512	block.
		2513
		2514	=cut
		2515
		2516	sub static_maps() {
		2517	my @dirs = "";
		2518	my @maps;
		2519
		2520	while (@dirs) {
		2521	my $dir = shift @dirs;
		2522
		2523	next if $dir eq "/styles" || $dir eq "/editor";
		2524
		2525	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2526	or return;
		2527
		2528	for (@$files) {
		2529	s/\.map$// or next;
		2530	utf8::decode $_;
		2531	push @maps, "$dir/$_";
		2532	}
		2533
		2534	push @dirs, map "$dir/$_", @$dirs;
		2535	}
		2536
		2537	\@maps
		2538	}
1796		2539
1797	=back	2540	=back
1798		2541
1799	=head3 cf::object	2542	=head3 cf::object
1800		2543
…		…
1804		2547
1805	=over 4	2548	=over 4
1806		2549
1807	=item $ob->inv_recursive	2550	=item $ob->inv_recursive
1808		2551
1809	Returns the inventory of the object _and_ their inventories, recursively.	2552	Returns the inventory of the object I<and> their inventories, recursively,
		2553	but I<not> the object itself.
1810		2554
1811	=cut	2555	=cut
1812		2556
1813	sub inv_recursive_;	2557	sub inv_recursive_;
1814	sub inv_recursive_ {	2558	sub inv_recursive_ {
…		…
1817		2561
1818	sub inv_recursive {	2562	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2563	inv_recursive_ inv $_[0]
1820	}	2564	}
1821		2565
		2566	=item $ref = $ob->ref
		2567
		2568	Creates and returns a persistent reference to an object that can be stored as a string.
		2569
		2570	=item $ob = cf::object::deref ($refstring)
		2571
		2572	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2573	even if the object actually exists. May block.
		2574
		2575	=cut
		2576
		2577	sub deref {
		2578	my ($ref) = @_;
		2579
		2580	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2581	my ($uuid, $name) = ($1, $2);
		2582	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2583	or return;
		2584	$pl->ob->uuid eq $uuid
		2585	or return;
		2586
		2587	$pl->ob
		2588	} else {
		2589	warn "$ref: cannot resolve object reference\n";
		2590	undef
		2591	}
		2592	}
		2593
1822	package cf;	2594	package cf;
1823		2595
1824	=back	2596	=back
1825		2597
1826	=head3 cf::object::player	2598	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2604	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2605	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2606	dialogue with the given NPC character.
1835		2607
1836	=cut	2608	=cut
		2609
		2610	our $SAY_CHANNEL = {
		2611	id => "say",
		2612	title => "Map",
		2613	reply => "say ",
		2614	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2615	};
		2616
		2617	our $CHAT_CHANNEL = {
		2618	id => "chat",
		2619	title => "Chat",
		2620	reply => "chat ",
		2621	tooltip => "Player chat and shouts, global to the server.",
		2622	};
1837		2623
1838	# rough implementation of a future "reply" method that works	2624	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2625	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2626	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2627	sub cf::object::player::reply($$$;$) {
…		…
1843		2629
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2631
1846	if ($self->{record_replies}) {	2632	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2634
1848	} else {	2635	} else {
		2636	my $pl = $self->contr;
		2637
		2638	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2639	my $dialog = $pl->{npc_dialog};
		2640	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2641
		2642	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2643	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2644	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2645	}
1851	}	2646	}
		2647	}
		2648
		2649	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2650
		2651	=cut
		2652
		2653	sub cf::object::send_msg {
		2654	my $pl = shift->contr
		2655	or return;
		2656	$pl->send_msg (@_);
1852	}	2657	}
1853		2658
1854	=item $player_object->may ("access")	2659	=item $player_object->may ("access")
1855		2660
1856	Returns wether the given player is authorized to access resource "access"	2661	Returns wether the given player is authorized to access resource "access"
…		…
1869		2674
1870	=item $player_object->enter_link	2675	=item $player_object->enter_link
1871		2676
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2677	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2678
1874	The player should be reasonably safe there for short amounts of time. You	2679	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2680	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2681	though, as the player cannot control the character while it is on the link
		2682	map.
1876		2683
1877	Will never block.	2684	Will never block.
1878		2685
1879	=item $player_object->leave_link ($map, $x, $y)	2686	=item $player_object->leave_link ($map, $x, $y)
1880		2687
…		…
1900	sub cf::object::player::enter_link {	2707	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2708	my ($self) = @_;
1902		2709
1903	$self->deactivate_recursive;	2710	$self->deactivate_recursive;
1904		2711
		2712	++$self->{_link_recursion};
		2713
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2714	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2715
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2716	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2717	if $self->map && $self->map->{path} ne "{link}";
1909		2718
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2719	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2720	}
1912		2721
1913	sub cf::object::player::leave_link {	2722	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2723	my ($self, $map, $x, $y) = @_;
1915		2724
…		…
1932	($x, $y) = (-1, -1)	2741	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2742	unless (defined $x) && (defined $y);
1934		2743
1935	# use -1 or undef as default coordinates, not 0, 0	2744	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2745	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2746	if $x <= 0 && $y <= 0;
1938		2747
1939	$map->load;	2748	$map->load;
1940	$map->load_diag;	2749	$map->load_neighbours;
1941		2750
1942	return unless $self->contr->active;	2751	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2752
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
1947	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
1948		2760
		2761	}
		2762
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2764
1951	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
1955		2773
1956	=cut	2774	=cut
1957		2775
1958	our $GOTOGEN;	2776	our $GOTOGEN;
1959		2777
1960	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
1962		2786
1963	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2789
1966	$self->enter_link;	2790	$self->enter_link;
1967		2791
1968	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
1969	my $map = eval {	2814	my $map = eval {
1970	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path : undef;
1971		2816
1972	if ($map) {	2817	if ($map) {
1973	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2820	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2822	}
1978		2823
1979	$map	2824	$map
1980	};	2825	};
1981		2826
…		…
1986		2831
1987	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
1990	}	2835	}
		2836
		2837	$done->($self) if $done;
1991	})->prio (1);	2838	})->prio (1);
1992	}	2839	}
1993		2840
1994	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
1995		2842
…		…
2015	}	2862	}
2016		2863
2017	sub prepare_random_map {	2864	sub prepare_random_map {
2018	my ($exit) = @_;	2865	my ($exit) = @_;
2019		2866
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2869	# that depends on the exit object
2025		2870
2026	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2873	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2033	}	2880	}
2034		2881
2035	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2036		2883
2037	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2040		2887
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2890	undef $fh;
2044	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2045		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2048	}	2899	}
2049	}	2900	}
2050		2901
2051	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2053		2904
2054	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2055		2906
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2907	$self->enter_link;
2068		2908
2069	(async {	2909	(async {
2070	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2071	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	# random map handling
		2916	{
		2917	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2918
		2919	prepare_random_map $exit
		2920	if $exit->slaying eq "/!";
		2921	}
		2922
		2923	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2924	my $x = $exit->stats->hp;
		2925	my $y = $exit->stats->sp;
		2926
2072	$self->goto ($slaying, $hp, $sp);	2927	$self->goto ($map, $x, $y);
2073		2928
		2929	# if exit is damned, update players death & WoR home-position
		2930	$self->contr->savebed ($map, $x, $y)
		2931	if $exit->flag (cf::FLAG_DAMNED);
		2932
2074	1;	2933	1
2075	}) {	2934	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2935	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2936	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2937	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2938	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2939
2081	warn "ERROR in enter_exit: $@";	2940	error "ERROR in enter_exit: $@";
2082	$self->leave_link;	2941	$self->leave_link;
2083	}	2942	}
2084	})->prio (1);	2943	})->prio (1);
2085	}	2944	}
2086		2945
…		…
2100		2959
2101	utf8::encode $text;	2960	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2961	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2962	}
2104		2963
		2964	=item $client->send_big_packet ($pkt)
		2965
		2966	Like C<send_packet>, but tries to compress large packets, and fragments
		2967	them as required.
		2968
		2969	=cut
		2970
		2971	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2972
		2973	sub cf::client::send_big_packet {
		2974	my ($self, $pkt) = @_;
		2975
		2976	# try lzf for large packets
		2977	$pkt = "lzf " . Compress::LZF::compress $pkt
		2978	if 1024 <= length $pkt and $self->{can_lzf};
		2979
		2980	# split very large packets
		2981	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2982	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2983	$pkt = "frag";
		2984	}
		2985
		2986	$self->send_packet ($pkt);
		2987	}
		2988
		2989	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2990
		2991	Send a drawinfo or msg packet to the client, formatting the msg for the
		2992	client if neccessary. C<$type> should be a string identifying the type of
		2993	the message, with C<log> being the default. If C<$color> is negative, suppress
		2994	the message unless the client supports the msg packet.
		2995
		2996	=cut
		2997
		2998	# non-persistent channels (usually the info channel)
		2999	our %CHANNEL = (
		3000	"c/motd" => {
		3001	id => "infobox",
		3002	title => "MOTD",
		3003	reply => undef,
		3004	tooltip => "The message of the day",
		3005	},
		3006	"c/identify" => {
		3007	id => "infobox",
		3008	title => "Identify",
		3009	reply => undef,
		3010	tooltip => "Items recently identified",
		3011	},
		3012	"c/examine" => {
		3013	id => "infobox",
		3014	title => "Examine",
		3015	reply => undef,
		3016	tooltip => "Signs and other items you examined",
		3017	},
		3018	"c/shopinfo" => {
		3019	id => "infobox",
		3020	title => "Shop Info",
		3021	reply => undef,
		3022	tooltip => "What your bargaining skill tells you about the shop",
		3023	},
		3024	"c/book" => {
		3025	id => "infobox",
		3026	title => "Book",
		3027	reply => undef,
		3028	tooltip => "The contents of a note or book",
		3029	},
		3030	"c/lookat" => {
		3031	id => "infobox",
		3032	title => "Look",
		3033	reply => undef,
		3034	tooltip => "What you saw there",
		3035	},
		3036	"c/who" => {
		3037	id => "infobox",
		3038	title => "Players",
		3039	reply => undef,
		3040	tooltip => "Shows players who are currently online",
		3041	},
		3042	"c/body" => {
		3043	id => "infobox",
		3044	title => "Body Parts",
		3045	reply => undef,
		3046	tooltip => "Shows which body parts you posess and are available",
		3047	},
		3048	"c/statistics" => {
		3049	id => "infobox",
		3050	title => "Statistics",
		3051	reply => undef,
		3052	tooltip => "Shows your primary statistics",
		3053	},
		3054	"c/skills" => {
		3055	id => "infobox",
		3056	title => "Skills",
		3057	reply => undef,
		3058	tooltip => "Shows your experience per skill and item power",
		3059	},
		3060	"c/shopitems" => {
		3061	id => "infobox",
		3062	title => "Shop Items",
		3063	reply => undef,
		3064	tooltip => "Shows the items currently for sale in this shop",
		3065	},
		3066	"c/resistances" => {
		3067	id => "infobox",
		3068	title => "Resistances",
		3069	reply => undef,
		3070	tooltip => "Shows your resistances",
		3071	},
		3072	"c/pets" => {
		3073	id => "infobox",
		3074	title => "Pets",
		3075	reply => undef,
		3076	tooltip => "Shows information abotu your pets/a specific pet",
		3077	},
		3078	"c/perceiveself" => {
		3079	id => "infobox",
		3080	title => "Perceive Self",
		3081	reply => undef,
		3082	tooltip => "You gained detailed knowledge about yourself",
		3083	},
		3084	"c/uptime" => {
		3085	id => "infobox",
		3086	title => "Uptime",
		3087	reply => undef,
		3088	tooltip => "How long the server has been running since last restart",
		3089	},
		3090	"c/mapinfo" => {
		3091	id => "infobox",
		3092	title => "Map Info",
		3093	reply => undef,
		3094	tooltip => "Information related to the maps",
		3095	},
		3096	"c/party" => {
		3097	id => "party",
		3098	title => "Party",
		3099	reply => "gsay ",
		3100	tooltip => "Messages and chat related to your party",
		3101	},
		3102	"c/death" => {
		3103	id => "death",
		3104	title => "Death",
		3105	reply => undef,
		3106	tooltip => "Reason for and more info about your most recent death",
		3107	},
		3108	"c/say" => $SAY_CHANNEL,
		3109	"c/chat" => $CHAT_CHANNEL,
		3110	);
		3111
		3112	sub cf::client::send_msg {
		3113	my ($self, $channel, $msg, $color, @extra) = @_;
		3114
		3115	$msg = $self->pl->expand_cfpod ($msg)
		3116	unless $color & cf::NDI_VERBATIM;
		3117
		3118	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3119
		3120	# check predefined channels, for the benefit of C
		3121	if ($CHANNEL{$channel}) {
		3122	$channel = $CHANNEL{$channel};
		3123
		3124	$self->ext_msg (channel_info => $channel);
		3125	$channel = $channel->{id};
		3126
		3127	} elsif (ref $channel) {
		3128	# send meta info to client, if not yet sent
		3129	unless (exists $self->{channel}{$channel->{id}}) {
		3130	$self->{channel}{$channel->{id}} = $channel;
		3131	$self->ext_msg (channel_info => $channel);
		3132	}
		3133
		3134	$channel = $channel->{id};
		3135	}
		3136
		3137	return unless @extra || length $msg;
		3138
		3139	# default colour, mask it out
		3140	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3141	if $color & cf::NDI_DEF;
		3142
		3143	my $pkt = "msg "
		3144	. $self->{json_coder}->encode (
		3145	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3146	);
		3147
		3148	$self->send_big_packet ($pkt);
		3149	}
		3150
2105	=item $client->ext_event ($type, %msg)	3151	=item $client->ext_msg ($type, @msg)
2106		3152
2107	Sends an exti event to the client.	3153	Sends an ext event to the client.
2108		3154
2109	=cut	3155	=cut
2110		3156
2111	sub cf::client::ext_event($$%) {	3157	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3158	my ($self, $type, @msg) = @_;
2113		3159
		3160	if ($self->extcmd == 2) {
		3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3162	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	3163	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	3164	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3165	}
		3166	}
		3167
		3168	=item $client->ext_reply ($msgid, @msg)
		3169
		3170	Sends an ext reply to the client.
		3171
		3172	=cut
		3173
		3174	sub cf::client::ext_reply($$@) {
		3175	my ($self, $id, @msg) = @_;
		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3179	} elsif ($self->extcmd == 1) {
		3180	#TODO: version 1, remove
		3181	unshift @msg, msgtype => "reply", msgid => $id;
		3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
2116	}	3184	}
2117		3185
2118	=item $success = $client->query ($flags, "text", \&cb)	3186	=item $success = $client->query ($flags, "text", \&cb)
2119		3187
2120	Queues a query to the client, calling the given callback with	3188	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3191
2124	Queries can fail, so check the return code. Or don't, as queries will become	3192	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3193	become reliable at some point in the future.
2126		3194
2127	=cut	3195	=cut
2128		3196
2129	sub cf::client::query {	3197	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3198	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3206	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3208
2141	$self->send_packet ($self->{query_queue}[0][0])	3209	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3210	if @{ $self->{query_queue} } == 1;
		3211
		3212	1
2143	}	3213	}
2144		3214
2145	cf::client->attach (	3215	cf::client->attach (
		3216	on_connect => sub {
		3217	my ($ns) = @_;
		3218
		3219	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3220	},
2146	on_reply => sub {	3221	on_reply => sub {
2147	my ($ns, $msg) = @_;	3222	my ($ns, $msg) = @_;
2148		3223
2149	# this weird shuffling is so that direct followup queries	3224	# this weird shuffling is so that direct followup queries
2150	# get handled first	3225	# get handled first
…		…
2162	} else {	3237	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3238	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3239	}
2165	}	3240	}
2166	},	3241	},
		3242	on_exticmd => sub {
		3243	my ($ns, $buf) = @_;
		3244
		3245	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3246
		3247	if (ref $msg) {
		3248	my ($type, $reply, @payload) =
		3249	"ARRAY" eq ref $msg
		3250	? @$msg
		3251	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3252
		3253	my @reply;
		3254
		3255	if (my $cb = $EXTICMD{$type}) {
		3256	@reply = $cb->($ns, @payload);
		3257	}
		3258
		3259	$ns->ext_reply ($reply, @reply)
		3260	if $reply;
		3261
		3262	} else {
		3263	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3264	}
		3265
		3266	cf::override;
		3267	},
2167	);	3268	);
2168		3269
2169	=item $client->async (\&cb)	3270	=item $client->async (\&cb)
2170		3271
2171	Create a new coroutine, running the specified callback. The coroutine will	3272	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3288
2188	$coro	3289	$coro
2189	}	3290	}
2190		3291
2191	cf::client->attach (	3292	cf::client->attach (
2192	on_destroy => sub {	3293	on_client_destroy => sub {
2193	my ($ns) = @_;	3294	my ($ns) = @_;
2194		3295
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3296	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3297	},
2197	);	3298	);
…		…
2212	our $safe = new Safe "safe";	3313	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3314	our $safe_hole = new Safe::Hole;
2214		3315
2215	$SIG{FPE} = 'IGNORE';	3316	$SIG{FPE} = 'IGNORE';
2216		3317
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3318	$safe->permit_only (Opcode::opset qw(
		3319	:base_core :base_mem :base_orig :base_math :base_loop
		3320	grepstart grepwhile mapstart mapwhile
		3321	sort time
		3322	));
2218		3323
2219	# here we export the classes and methods available to script code	3324	# here we export the classes and methods available to script code
2220		3325
2221	=pod	3326	=pod
2222		3327
2223	The following functions and methods are available within a safe environment:	3328	The following functions and methods are available within a safe environment:
2224		3329
2225	cf::object contr pay_amount pay_player map	3330	cf::object
		3331	contr pay_amount pay_player map x y force_find force_add destroy
		3332	insert remove name archname title slaying race decrease split
		3333	value
		3334
2226	cf::object::player player	3335	cf::object::player
2227	cf::player peaceful	3336	player
2228	cf::map trigger	3337
		3338	cf::player
		3339	peaceful
		3340
		3341	cf::map
		3342	trigger
2229		3343
2230	=cut	3344	=cut
2231		3345
2232	for (	3346	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3347	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3348	insert remove inv nrof name archname title slaying race
		3349	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3350	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3351	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3352	["cf::map" => qw(trigger)],
2237	) {	3353	) {
2238	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3354	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3355	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2241	for @funs;	3356	for @funs;
2242	}	3357	}
2243		3358
…		…
2258		3373
2259	my $qcode = $code;	3374	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3375	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3376	$qcode =~ s/\n/\\n/g;
2262		3377
		3378	%vars = (_dummy => 0) unless %vars;
		3379
		3380	my @res;
2263	local $_;	3381	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3382
2266	my $eval =	3383	my $eval =
2267	"do {\n"	3384	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3385	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3386	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3387	. $code
2271	. "\n}"	3388	. "\n}"
2272	;	3389	;
2273		3390
		3391	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3392	sub_generation_inc;
		3393	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3394	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	sub_generation_inc;	3395	sub_generation_inc;
		3396	} else {
		3397	local @cf::_safe_eval_args = values %vars;
		3398	@res = wantarray ? eval eval : scalar eval $eval;
		3399	}
2277		3400
2278	if ($@) {	3401	if ($@) {
2279	warn "$@";	3402	warn "$@",
2280	warn "while executing safe code '$code'\n";	3403	"while executing safe code '$code'\n",
2281	warn "with arguments " . (join " ", %vars) . "\n";	3404	"with arguments " . (join " ", %vars) . "\n";
2282	}	3405	}
2283		3406
2284	wantarray ? @res : $res[0]	3407	wantarray ? @res : $res[0]
2285	}	3408	}
2286		3409
…		…
2300	=cut	3423	=cut
2301		3424
2302	sub register_script_function {	3425	sub register_script_function {
2303	my ($fun, $cb) = @_;	3426	my ($fun, $cb) = @_;
2304		3427
2305	no strict 'refs';	3428	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3429	*$fun = $safe_hole->wrap ($cb);
2307	}	3430	}
2308		3431
2309	=back	3432	=back
2310		3433
2311	=cut	3434	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3435
2485	#############################################################################	3436	#############################################################################
2486	# the server's init and main functions	3437	# the server's init and main functions
2487		3438
2488	sub load_facedata($) {	3439	sub load_facedata($) {
2489	my ($path) = @_;	3440	my ($path) = @_;
2490		3441
		3442	# HACK to clear player env face cache, we need some signal framework
		3443	# for this (global event?)
		3444	%ext::player_env::MUSIC_FACE_CACHE = ();
		3445
		3446	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3447
2491	warn "loading facedata from $path\n";	3448	trace "loading facedata from $path\n";
2492		3449
2493	my $facedata;	3450	my $facedata = decode_storable load_file $path;
2494	0 < aio_load $path, $facedata
2495	or die "$path: $!";
2496
2497	$facedata = Coro::Storable::thaw $facedata;
2498		3451
2499	$facedata->{version} == 2	3452	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3453	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3454
		3455	# patch in the exptable
		3456	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3457	$facedata->{resource}{"res/exp_table"} = {
		3458	type => FT_RSRC,
		3459	data => $exp_table,
		3460	hash => (Digest::MD5::md5 $exp_table),
		3461	};
		3462	cf::cede_to_tick;
		3463
2502	{	3464	{
2503	my $faces = $facedata->{faceinfo};	3465	my $faces = $facedata->{faceinfo};
2504		3466
2505	while (my ($face, $info) = each %$faces) {	3467	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3468	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3469
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3470	cf::face::set_visibility $idx, $info->{visibility};
		3471	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3472	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3473	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3474	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3475
		3476	cf::cede_to_tick;
2511	}	3477	}
2512		3478
2513	while (my ($face, $info) = each %$faces) {	3479	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3480	next unless $info->{smooth};
		3481
2515	my $idx = cf::face::find $face	3482	my $idx = cf::face::find $face
2516	or next;	3483	or next;
		3484
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3485	if (my $smooth = cf::face::find $info->{smooth}) {
		3486	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3487	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3488	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3489	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3490	}
2522	Coro::cede;	3491
		3492	cf::cede_to_tick;
2523	}	3493	}
2524	}	3494	}
2525		3495
2526	{	3496	{
2527	my $anims = $facedata->{animinfo};	3497	my $anims = $facedata->{animinfo};
2528		3498
2529	while (my ($anim, $info) = each %$anims) {	3499	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3500	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3501	cf::cede_to_tick;
2532	}	3502	}
2533		3503
2534	cf::anim::invalidate_all; # d'oh	3504	cf::anim::invalidate_all; # d'oh
2535	}	3505	}
2536		3506
		3507	{
		3508	my $res = $facedata->{resource};
		3509
		3510	while (my ($name, $info) = each %$res) {
		3511	if (defined $info->{type}) {
		3512	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3513
		3514	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3515	cf::face::set_type $idx, $info->{type};
		3516	} else {
		3517	$RESOURCE{$name} = $info; # unused
		3518	}
		3519
		3520	cf::cede_to_tick;
		3521	}
		3522	}
		3523
		3524	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3525
2537	1	3526	1
2538	}	3527	}
2539		3528
		3529	register_exticmd fx_want => sub {
		3530	my ($ns, $want) = @_;
		3531
		3532	while (my ($k, $v) = each %$want) {
		3533	$ns->fx_want ($k, $v);
		3534	}
		3535	};
		3536
		3537	sub load_resource_file($) {
		3538	my $guard = lock_acquire "load_resource_file";
		3539
		3540	my $status = load_resource_file_ $_[0];
		3541	get_slot 0.1, 100;
		3542	cf::arch::commit_load;
		3543
		3544	$status
		3545	}
		3546
2540	sub reload_regions {	3547	sub reload_regions {
		3548	# HACK to clear player env face cache, we need some signal framework
		3549	# for this (global event?)
		3550	%ext::player_env::MUSIC_FACE_CACHE = ();
		3551
2541	load_resource_file "$MAPDIR/regions"	3552	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3553	or die "unable to load regions file\n";
		3554
		3555	for (cf::region::list) {
		3556	$_->{match} = qr/$_->{match}/
		3557	if exists $_->{match};
		3558	}
2543	}	3559	}
2544		3560
2545	sub reload_facedata {	3561	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3562	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3563	or die "unable to load facedata\n";
…		…
2555	sub reload_treasures {	3571	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3572	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3573	or die "unable to load treasurelists\n";
2558	}	3574	}
2559		3575
		3576	sub reload_sound {
		3577	trace "loading sound config from $DATADIR/sound\n";
		3578
		3579	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3580
		3581	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3582	my $sound = $soundconf->{compat}[$_]
		3583	or next;
		3584
		3585	my $face = cf::face::find "sound/$sound->[1]";
		3586	cf::sound::set $sound->[0] => $face;
		3587	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3588	}
		3589
		3590	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3591	my $face = cf::face::find "sound/$v";
		3592	cf::sound::set $k => $face;
		3593	}
		3594	}
		3595
2560	sub reload_resources {	3596	sub reload_resources {
2561	warn "reloading resource files...\n";	3597	trace "reloading resource files...\n";
2562		3598
		3599	reload_exp_table;
		3600	reload_materials;
		3601	reload_facedata;
		3602	reload_sound;
		3603	reload_archetypes;
2563	reload_regions;	3604	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3605	reload_treasures;
2567		3606
2568	warn "finished reloading resource files\n";	3607	trace "finished reloading resource files\n";
2569	}	3608	}
2570		3609
2571	sub init {	3610	sub reload_config {
2572	reload_resources;	3611	trace "reloading config file...\n";
2573	}
2574		3612
2575	sub cfg_load {	3613	my $config = load_file "$CONFDIR/config";
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3614	utf8::decode $config;
2577	or return;	3615	*CFG = decode_yaml $config;
2578		3616
2579	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;
2581
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3617	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3618
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3619	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3620	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3621
2587	if (exists $CFG{mlockall}) {	3622	if (exists $CFG{mlockall}) {
…		…
2591	};	3626	};
2592	warn $@ if $@;	3627	warn $@ if $@;
2593	}	3628	}
2594	}	3629	}
2595		3630
		3631	sub pidfile() {
		3632	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3633	or die "$PIDFILE: $!";
		3634	flock $fh, &Fcntl::LOCK_EX
		3635	or die "$PIDFILE: flock: $!";
		3636	$fh
		3637	}
		3638
		3639	# make sure only one server instance is running at any one time
		3640	sub atomic {
		3641	my $fh = pidfile;
		3642
		3643	my $pid = <$fh>;
		3644	kill 9, $pid if $pid > 0;
		3645
		3646	seek $fh, 0, 0;
		3647	print $fh $$;
		3648	}
		3649
		3650	sub main_loop {
		3651	trace "EV::loop starting\n";
		3652	if (1) {
		3653	EV::loop;
		3654	}
		3655	trace "EV::loop returned\n";
		3656	goto &main_loop unless $REALLY_UNLOOP;
		3657	}
		3658
2596	sub main {	3659	sub main {
		3660	cf::init_globals; # initialise logging
		3661
		3662	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3663	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3664	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3665	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3666
		3667	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3668
2597	# we must not ever block the main coroutine	3669	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3670	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3671	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3672	(async {
2601	Event::one_event;	3673	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3674	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3675	})->prio (Coro::PRIO_MAX);
2603	};	3676	};
2604		3677
2605	cfg_load;	3678	evthread_start IO::AIO::poll_fileno;
		3679
		3680	cf::sync_job {
		3681	cf::incloader::init ();
		3682
		3683	cf::init_anim;
		3684	cf::init_attackmess;
		3685	cf::init_dynamic;
		3686
		3687	cf::load_settings;
		3688
		3689	reload_resources;
		3690	reload_config;
2606	db_init;	3691	db_init;
		3692
		3693	cf::init_uuid;
		3694	cf::init_signals;
		3695	cf::init_skills;
		3696
		3697	cf::init_beforeplay;
		3698
		3699	atomic;
		3700
2607	load_extensions;	3701	load_extensions;
2608		3702
2609	$TICK_WATCHER->start;	3703	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3704
		3705	# no (long-running) fork's whatsoever before this point(!)
		3706	use POSIX ();
		3707	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3708
		3709	cf::_post_init 0;
		3710	};
		3711
		3712	cf::object::thawer::errors_are_fatal 0;
		3713	info "parse errors in files are no longer fatal from this point on.\n";
		3714
		3715	my $free_main; $free_main = EV::idle sub {
		3716	undef $free_main;
		3717	undef &main; # free gobs of memory :)
		3718	};
		3719
		3720	goto &main_loop;
2611	}	3721	}
2612		3722
2613	#############################################################################	3723	#############################################################################
2614	# initialisation and cleanup	3724	# initialisation and cleanup
2615		3725
2616	# install some emergency cleanup handlers	3726	# install some emergency cleanup handlers
2617	BEGIN {	3727	BEGIN {
		3728	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3729	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3730	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3731	cf::cleanup "SIG$signal";
2626	},
2627	);	3732	};
		3733	}
		3734	}
		3735
		3736	sub write_runtime_sync {
		3737	my $t0 = AE::time;
		3738
		3739	# first touch the runtime file to show we are still running:
		3740	# the fsync below can take a very very long time.
		3741
		3742	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3743
		3744	my $guard = cf::lock_acquire "write_runtime";
		3745
		3746	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3747	or return;
		3748
		3749	my $value = $cf::RUNTIME + 90 + 10;
		3750	# 10 is the runtime save interval, for a monotonic clock
		3751	# 60 allows for the watchdog to kill the server.
		3752
		3753	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3754	and return;
		3755
		3756	# always fsync - this file is important
		3757	aio_fsync $fh
		3758	and return;
		3759
		3760	# touch it again to show we are up-to-date
		3761	aio_utime $fh, undef, undef;
		3762
		3763	close $fh
		3764	or return;
		3765
		3766	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3767	and return;
		3768
		3769	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3770
2628	}	3771	1
		3772	}
		3773
		3774	our $uuid_lock;
		3775	our $uuid_skip;
		3776
		3777	sub write_uuid_sync($) {
		3778	$uuid_skip ||= $_[0];
		3779
		3780	return if $uuid_lock;
		3781	local $uuid_lock = 1;
		3782
		3783	my $uuid = "$LOCALDIR/uuid";
		3784
		3785	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3786	or return;
		3787
		3788	my $value = uuid_seq uuid_cur;
		3789
		3790	unless ($value) {
		3791	info "cowardly refusing to write zero uuid value!\n";
		3792	return;
		3793	}
		3794
		3795	my $value = uuid_str $value + $uuid_skip;
		3796	$uuid_skip = 0;
		3797
		3798	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3799	and return;
		3800
		3801	# always fsync - this file is important
		3802	aio_fsync $fh
		3803	and return;
		3804
		3805	close $fh
		3806	or return;
		3807
		3808	aio_rename "$uuid~", $uuid
		3809	and return;
		3810
		3811	trace "uuid file written ($value).\n";
		3812
		3813	1
		3814
		3815	}
		3816
		3817	sub write_uuid($$) {
		3818	my ($skip, $sync) = @_;
		3819
		3820	$sync ? write_uuid_sync $skip
		3821	: async { write_uuid_sync $skip };
2629	}	3822	}
2630		3823
2631	sub emergency_save() {	3824	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3825	my $freeze_guard = cf::freeze_mainloop;
2633		3826
2634	warn "enter emergency perl save\n";	3827	info "emergency_perl_save: enter\n";
		3828
		3829	# this is a trade-off: we want to be very quick here, so
		3830	# save all maps without fsync, and later call a global sync
		3831	# (which in turn might be very very slow)
		3832	local $USE_FSYNC = 0;
2635		3833
2636	cf::sync_job {	3834	cf::sync_job {
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
2637	# use a peculiar iteration method to avoid tripping on perl	3837	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3838	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3839	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3840	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3841	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3842	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3843	$pl->valid or next;
		3844	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3845	$pl->save;
2645	}	3846	}
2646	warn "end emergency player save\n";	3847	info "emergency_perl_save: end player save\n";
2647		3848
2648	warn "begin emergency map save\n";	3849	cf::write_runtime_sync; # external watchdog should not bark
		3850
		3851	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3852	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3853	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3854	$map->valid or next;
2652	$map->save;	3855	$map->save;
2653	}	3856	}
2654	warn "end emergency map save\n";	3857	info "emergency_perl_save: end map save\n";
2655		3858
2656	warn "begin emergency database checkpoint\n";	3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
		3861	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3862	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3863	info "emergency_perl_save: end database checkpoint\n";
		3864
		3865	info "emergency_perl_save: begin write uuid\n";
		3866	write_uuid_sync 1;
		3867	info "emergency_perl_save: end write uuid\n";
		3868
		3869	cf::write_runtime_sync; # external watchdog should not bark
		3870
		3871	trace "emergency_perl_save: syncing database to disk";
		3872	BDB::db_env_txn_checkpoint $DB_ENV;
		3873
		3874	info "emergency_perl_save: starting sync\n";
		3875	IO::AIO::aio_sync sub {
		3876	info "emergency_perl_save: finished sync\n";
		3877	};
		3878
		3879	cf::write_runtime_sync; # external watchdog should not bark
		3880
		3881	trace "emergency_perl_save: flushing outstanding aio requests";
		3882	while (IO::AIO::nreqs || BDB::nreqs) {
		3883	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3884	}
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
2659	};	3887	};
2660		3888
2661	warn "leave emergency perl save\n";	3889	info "emergency_perl_save: leave\n";
2662	}	3890	}
2663		3891
2664	sub post_cleanup {	3892	sub post_cleanup {
2665	my ($make_core) = @_;	3893	my ($make_core) = @_;
2666		3894
		3895	IO::AIO::flush;
		3896
2667	warn Carp::longmess "post_cleanup backtrace"	3897	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3898	if $make_core;
		3899
		3900	my $fh = pidfile;
		3901	unlink $PIDFILE if <$fh> == $$;
		3902	}
		3903
		3904	# a safer delete_package, copied from Symbol
		3905	sub clear_package($) {
		3906	my $pkg = shift;
		3907
		3908	# expand to full symbol table name if needed
		3909	unless ($pkg =~ /^main::.*::$/) {
		3910	$pkg = "main$pkg" if $pkg =~ /^::/;
		3911	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3912	$pkg .= '::' unless $pkg =~ /::$/;
		3913	}
		3914
		3915	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3916	my $stem_symtab = *{$stem}{HASH};
		3917
		3918	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3919	or return;
		3920
		3921	# clear all symbols
		3922	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3923	for my $name (keys %$leaf_symtab) {
		3924	_gv_clear *{"$pkg$name"};
		3925	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3926	}
2669	}	3927	}
2670		3928
2671	sub do_reload_perl() {	3929	sub do_reload_perl() {
2672	# can/must only be called in main	3930	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3931	unless (in_main) {
2674	warn "can only reload from main coroutine";	3932	error "can only reload from main coroutine";
2675	return;	3933	return;
2676	}	3934	}
2677		3935
2678	warn "reloading...";	3936	return if $RELOAD++;
2679		3937
2680	warn "entering sync_job";	3938	my $t1 = AE::time;
2681		3939
		3940	while ($RELOAD) {
		3941	cf::get_slot 0.1, -1, "reload_perl";
		3942	info "perl_reload: reloading...";
		3943
		3944	trace "perl_reload: entering sync_job";
		3945
2682	cf::sync_job {	3946	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	3947	#cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		3948
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	3949	trace "perl_reload: cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	3950	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	3951	%EXT_CORO = ();
2711		3952
2712	warn "removing commands";	3953	trace "perl_reload: removing commands";
2713	%COMMAND = ();	3954	%COMMAND = ();
2714		3955
2715	warn "removing ext commands";	3956	trace "perl_reload: removing ext/exti commands";
2716	%EXTCMD = ();	3957	%EXTCMD = ();
		3958	%EXTICMD = ();
2717		3959
2718	warn "unloading/nuking all extensions";	3960	trace "perl_reload: unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3961	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3962	trace "... unloading $pkg";
2721		3963
2722	if (my $cb = $pkg->can ("unload")) {	3964	if (my $cb = $pkg->can ("unload")) {
2723	eval {	3965	eval {
2724	$cb->($pkg);	3966	$cb->($pkg);
2725	1	3967	1
2726	} or warn "$pkg unloaded, but with errors: $@";	3968	} or error "$pkg unloaded, but with errors: $@";
		3969	}
		3970
		3971	trace "... clearing $pkg";
		3972	clear_package $pkg;
2727	}	3973	}
2728		3974
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	3975	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	3976	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3977	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3978
2737	warn "... unloading $k";	3979	trace "... unloading $k";
2738	delete $INC{$k};	3980	delete $INC{$k};
2739		3981
2740	$k =~ s/\.pm$//;	3982	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	3983	$k =~ s/\//::/g;
2742		3984
2743	if (my $cb = $k->can ("unload_module")) {	3985	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	3986	$cb->();
		3987	}
		3988
		3989	clear_package $k;
2745	}	3990	}
2746		3991
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	3992	trace "perl_reload: getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3993	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3994	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3995
2754	warn "unloading cf.pm \"a bit\"";	3996	trace "perl_reload: unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3997	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3998	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3999
2758	# don't, removes xs symbols, too,	4000	# don't, removes xs symbols, too,
2759	# and global variables created in xs	4001	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	4002	#clear_package __PACKAGE__;
2761		4003
2762	warn "unload completed, starting to reload now";	4004	info "perl_reload: unload completed, starting to reload now";
2763		4005
2764	warn "reloading cf.pm";	4006	trace "perl_reload: reloading cf.pm";
2765	require cf;	4007	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4008	cf::_connect_to_perl_1;
2767		4009
2768	warn "loading config and database again";	4010	trace "perl_reload: loading config and database again";
2769	cf::cfg_load;	4011	cf::reload_config;
2770		4012
2771	warn "loading extensions";	4013	trace "perl_reload: loading extensions";
2772	cf::load_extensions;	4014	cf::load_extensions;
2773		4015
		4016	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	4017	trace "perl_reload: reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	4018	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	4019	trace "perl_reload: reattaching attachments to maps";
2777	reattach $_ for values %MAP;	4020	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	4021	trace "perl_reload: reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	4022	reattach $_ for values %PLAYER;
		4023	}
2780		4024
2781	warn "leaving sync_job";	4025	cf::_post_init 1;
2782		4026
		4027	trace "perl_reload: leaving sync_job";
		4028
2783	1	4029	1
2784	} or do {	4030	} or do {
2785	warn $@;	4031	error $@;
2786	warn "error while reloading, exiting.";	4032	cf::cleanup "perl_reload: error, exiting.";
2787	exit 1;	4033	};
		4034
		4035	--$RELOAD;
2788	};	4036	}
2789		4037
2790	warn "reloaded";	4038	$t1 = AE::time - $t1;
		4039	info "perl_reload: completed in ${t1}s\n";
2791	};	4040	};
2792		4041
2793	our $RELOAD_WATCHER; # used only during reload	4042	our $RELOAD_WATCHER; # used only during reload
2794		4043
2795	sub reload_perl() {	4044	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	4045	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	4046	# coro crashes during coro_state_free->destroy here.
2798		4047
2799	$RELOAD_WATCHER ||= Event->timer (	4048	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	4049	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	4050
2802	data => WF_AUTOCANCEL,	4051	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	4052	do_reload_perl;
2805	undef $RELOAD_WATCHER;	4053	undef $RELOAD_WATCHER;
2806	},	4054	};
2807	);	4055	};
2808	}	4056	}
2809		4057
2810	register_command "reload" => sub {	4058	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	4059	my ($who, $arg) = @_;
2812		4060
2813	if ($who->flag (FLAG_WIZ)) {	4061	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	4062	$who->message ("reloading server.");
		4063	async {
		4064	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4065	reload_perl;
		4066	};
2816	}	4067	}
2817	};	4068	};
2818		4069
2819	unshift @INC, $LIBDIR;	4070	#############################################################################
2820		4071
2821	my $bug_warning = 0;	4072	my $bug_warning = 0;
2822		4073
2823	our @WAIT_FOR_TICK;	4074	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	4075	our @WAIT_FOR_TICK_BEGIN;
2825		4076
2826	sub wait_for_tick {	4077	sub wait_for_tick() {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	4078	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829		4079
2830	my $signal = new Coro::Signal;	4080	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	4081	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	4082	$signal->wait;
2833	}	4083	}
2834		4084
2835	sub wait_for_tick_begin {	4085	sub wait_for_tick_begin() {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4086	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4087
2839	my $signal = new Coro::Signal;	4088	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4089	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4090	$signal->wait;
2842	}	4091	}
2843		4092
2844	my $min = 1e6;#d#	4093	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4094	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4095	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4096	unless ++$bug_warning > 10;
2856	return;	4097	return;
2857	}	4098	}
2858		4099
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	4100	cf::server_tick; # one server iteration
2862		4101
2863	0 && sync_job {#d#	4102	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		4103
2869	$map->width (50);	4104	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	4105	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	4106	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	4107	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	4108	write_runtime_sync
2874		4109	or error "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4110	};
		4111	}
2885		4112
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4113	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4114	$sig->send;
2902	}	4115	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4116	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	4117	$sig->send;
2905	}	4118	}
2906		4119
2907	$NOW = Event::time;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4122
2918	_post_tick;	4123	if (0) {
2919		4124	if ($NEXT_TICK) {
2920		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
2921	},	4129	}
2922	);	4130	}
2923		4131
2924	{	4132	{
2925	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4134
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
2935		4136	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4137	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4138
2951	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4146
2954	cf::sync_job {	4147	cf::sync_job {
2955	eval {	4148	eval {
2956	BDB::db_env_open	4149	BDB::db_env_open
2957	$DB_ENV,	4150	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4154	0666;
2962		4155
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4157	};
2968		4158
2969	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4160	};
2971	}	4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
2972	}	4172	}
2973		4173
2974	{	4174	{
		4175	# configure IO::AIO
		4176
2975	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4180	}
2988		4181
2989	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
2990		4184
2991	sub _log_backtrace {	4185	sub _log_backtrace {
2992	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
2993		4187
2994	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
2995		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2996	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
2998	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
2999	async {	4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
3000	my @bt = fork_call {	4201	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4205	or die "addr2line: $!";
…		…
3012	}	4213	}
3013		4214
3014	@funcs	4215	@funcs
3015	};	4216	};
3016		4217
3017	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4221	--$_log_backtrace;
3020	};	4222	};
3021	} else {	4223	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3024	}	4226	}
3025	}	4227	}
3026		4228
3027	# load additional modules	4229	# load additional modules
3028	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3029		4232
3030	END { cf::emergency_save }	4233	END { cf::emergency_save }
3031		4234
3032	1	4235	1
3033		4236

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