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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 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";
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' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1093	}
672		1094
673	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
674	}	1096	}
675		1097
…		…
715	";	1137	";
716	die if $@;	1138	die if $@;
717	}	1139	}
718		1140
719	our $override;	1141	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1143
722	sub override {	1144	sub override {
723	$override = 1;	1145	$override = 1;
724	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
725	}	1147	}
726		1148
727	sub do_invoke {	1149	sub do_invoke {
728	my $event = shift;	1150	my $event = shift;
729	my $callbacks = shift;	1151	my $callbacks = shift;
730		1152
731	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
732		1154
733	local $override;	1155	local $override;
734		1156
735	for (@$callbacks) {	1157	for (@$callbacks) {
736	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
737		1159
738	if ($@) {	1160	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1162	override;
742	}	1163	}
743		1164
744	return 1 if $override;	1165	return 1 if $override;
745	}	1166	}
746		1167
747	0	1168	0
748	}	1169	}
749		1170
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1172
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1174
754	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
755		1176
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1180
760	=back	1181	=back
761		1182
762	=cut	1183	=cut
763		1184
764	#############################################################################	1185	#############################################################################
765	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
766		1229
767	sub reattach {	1230	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1232	my ($obj) = @_;
770		1233
		1234	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1236
773	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
774		1238
775	@$registry = ();	1239	@$registry = ();
776		1240
…		…
781	for (@$attach) {	1245	for (@$attach) {
782	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
784	}	1248	}
785	} else {	1249	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1251	}
788	}	1252	}
789	}	1253	}
790		1254
791	cf::attachable->attach (	1255	cf::attachable->attach (
792	prio => -1000000,	1256	prio => -1000000,
793	on_instantiate => sub {	1257	on_instantiate => sub {
794	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
795		1259
796	$data = from_json $data;	1260	$data = decode_json $data;
797		1261
798	for (@$data) {	1262	for (@$data) {
799	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
800		1264
801	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1281	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
819		1283
820	sync_job {	1284	sync_job {
821	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
824		1290
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
829	close $fh;	1298	aio_close $fh;
830		1299
831	if (@$objs) {	1300	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
837	close $fh;	1309	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
839	}	1311	}
840	} else {	1312	} else {
841	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
842	}	1314	}
843		1315
844	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1320	} else {
846	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
847	}	1322	}
848	} else {	1323	} else {
849	aio_unlink $filename;	1324	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
851	}	1326	}
852	}	1327	};
853	}	1328	}
854		1329
855	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
857		1332
…		…
869	or return;	1344	or return;
870		1345
871	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
873	or return;	1348	or return;
		1349
874	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
875	}	1352	}
876		1353
		1354	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
879	return ($data, $av);	1359	($data, $av)
880	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
881		1367
882	#############################################################################	1368	#############################################################################
883	# command handling &c	1369	# command handling &c
884		1370
885	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1385	}
900		1386
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1388
903	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
904		1394
905	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
906	called.	1396	called.
907		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
908	=cut	1409	=cut
909		1410
910	sub register_extcmd {	1411	sub register_extcmd {
911	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
912		1413
913	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
914	}	1415	}
915		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
916	cf::player->attach (	1425	cf::player->attach (
917	on_command => sub {	1426	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
919		1428
920	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
921	or return;	1430	or return;
922		1431
…		…
927	cf::override;	1436	cf::override;
928	},	1437	},
929	on_extcmd => sub {	1438	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
931		1440
932	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1442
934	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
940	} else {	1458	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1460	}
943		1461
944	cf::override;	1462	cf::override;
945	},	1463	},
946	);	1464	);
947		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
948	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
949	cf::sync_job {	1482	cf::sync_job {
950	my %todo;	1483	my %todo;
951		1484
952	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1486	next unless -r $path;
…		…
971		1504
972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1507
975	$ext{source} =	1508	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
978	. $source	1511	. $source
979	. "\n};\n1";	1512	. "\n};\n1";
980		1513
981	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
982	}	1515	}
983		1516
		1517	my $pass = 0;
984	my %done;	1518	my %done;
985	while (%todo) {	1519	while (%todo) {
986	my $progress;	1520	my $progress;
987		1521
		1522	++$pass;
		1523
		1524	ext:
988	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1527	next ext
991	unless exists $done{$_};	1528	unless exists $done{$_};
992	}	1529	}
993		1530
994	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1532
996	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
998	: "$v->{base}: extension inactive.\n";
999		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1001	warn $msg;	1540
1002	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1542	delete $todo{$k};
1004	}	1543	} else {
1005		1544	$done{$k} = delete $todo{$k};
1006	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1007	}	1550	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	$progress = 1;
1012	}	1551	}
1013		1552
1014	skip:	1553	unless ($progress) {
1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1016	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1017	}	1563	}
1018	};	1564	};
1019	}	1565	}
1020		1566
1021	#############################################################################	1567	#############################################################################
1022		1568
		1569	=back
		1570
1023	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1024		1572
1025	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1026		1574
1027	=cut	1575	=cut
1028		1576
1029	package cf::player;	1577	package cf::player;
1030		1578
1031	use Coro::AIO;	1579	use Coro::AIO;
1032		1580
1033	=head3 cf::player	1581	=head3 cf::player
1034		1582
1035	=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	}
1036		1598
1037	=item cf::player::find $login	1599	=item cf::player::find $login
1038		1600
1039	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1040		1602
…		…
1059		1621
1060	sub exists($) {	1622	sub exists($) {
1061	my ($login) = @_;	1623	my ($login) = @_;
1062		1624
1063	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1064	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1065	}	1627	}
1066		1628
1067	sub find($) {	1629	sub find($) {
1068	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1069	my $login = $_[0];	1631	my $login = $_[0];
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1642
1081	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1082	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;
1083	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1084	}	1652	}
1085	}	1653	}
1086	}	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	);
1087		1668
1088	sub save($) {	1669	sub save($) {
1089	my ($pl) = @_;	1670	my ($pl) = @_;
1090		1671
1091	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1096	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1097		1678
1098	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1100		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
1101	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1102	Coro::cede;	1688	cf::cede_to_tick;
1103	}	1689	}
1104		1690
1105	sub new($) {	1691	sub new($) {
1106	my ($login) = @_;	1692	my ($login) = @_;
1107		1693
…		…
1113	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1114		1700
1115	$self	1701	$self
1116	}	1702	}
1117		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
1118	=item $pl->quit_character	1714	=item $pl->quit_character
1119		1715
1120	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
1121	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1122		1718
…		…
1126	my ($pl) = @_;	1722	my ($pl) = @_;
1127		1723
1128	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1129		1725
1130	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1131	$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
1132		1728
1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1134	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1135	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1136	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1137		1737
1138	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1139	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1140	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1175	or return [];	1775	or return [];
1176		1776
1177	my @logins;	1777	my @logins;
1178		1778
1179	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") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1183		1789
1184	utf8::decode $login;	1790	utf8::decode $login;
1185	push @logins, $login;	1791	push @logins, $login;
1186	}	1792	}
1187		1793
1188	\@logins	1794	\@logins
1189	}	1795	}
1190		1796
1191	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1192		1800
1193	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1194	player. May block.	1802	player. May block.
1195		1803
1196	=cut	1804	=cut
…		…
1214	}	1822	}
1215		1823
1216	\@paths	1824	\@paths
1217	}	1825	}
1218		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1219	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1220		1832
1221	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1222		1834
1223	=cut	1835	=cut
1224		1836
1225	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1227		1839
1228	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1841	}
1232		1842
1233	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1234		1844
1235	Sends an ext event to the client.	1845	Sends an ext event to the client.
1236		1846
1237	=cut	1847	=cut
1238		1848
1239	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1241		1851
1242	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1243	}	1853	}
1244		1854
1245	=head3 cf::region	1855	=head3 cf::region
1246		1856
1247	=over 4	1857	=over 4
…		…
1250		1860
1251	package cf::region;	1861	package cf::region;
1252		1862
1253	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1254		1864
1255	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.
1256		1866
1257	=cut	1867	=cut
1258		1868
1259	sub find_by_path($) {	1869	sub find_by_path($) {
1260	my ($path) = @_;	1870	my ($path) = @_;
1261		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1262	my ($match, $specificity);	1874	my ($match, $specificity);
1263		1875
1264	for my $region (list) {	1876	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1268	}	1880	}
1269	}	1881	}
1270		1882
…		…
1291	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1293		1905
1294	sub generate_random_map {	1906	sub generate_random_map {
1295	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1296	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1297	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1301	$rmp->{exit_on_final_map},
1302	$rmp->{xsize}, $rmp->{ysize},
1303	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1304	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1305	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1306	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1307	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1308	(cf::region::find $rmp->{region}), $rmp->{custom}
1309	)
1310	}	1912	}
1311		1913
1312	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1313		1915
1314	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
…		…
1319		1921
1320	sub register {	1922	sub register {
1321	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1322	my $pkg = caller;	1924	my $pkg = caller;
1323		1925
1324	no strict;
1325	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1326		1927
1327	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1328	}	1929	}
1329		1930
1330	# also paths starting with '/'	1931	# also paths starting with '/'
1331	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1332		1933
1333	sub thawer_merge {	1934	sub thawer_merge {
1334	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1335		1936
1336	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1341	}	1942	}
1342		1943
1343	sub normalise {	1944	sub normalise {
1344	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1345		1946
1346	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1347		1948
1348	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1349		1950
1350	# map plan:	1951	# map plan:
1351	#	1952	#
…		…
1366	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1367	$path = "$base/$path";	1968	$path = "$base/$path";
1368	}	1969	}
1369		1970
1370	for ($path) {	1971	for ($path) {
1371	redo if s{//}{/};
1372	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1373	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1374	}	1974	}
1375		1975
1376	$path	1976	$path
…		…
1390	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1391	return $self;	1991	return $self;
1392	}	1992	}
1393	}	1993	}
1394		1994
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1396	()	1996	()
1397	}	1997	}
1398		1998
		1999	# may re-bless or do other evil things
1399	sub init {	2000	sub init {
1400	my ($self) = @_;	2001	my ($self) = @_;
1401		2002
1402	$self	2003	$self
1403	}	2004	}
…		…
1422		2023
1423	# the temporary/swap location	2024	# the temporary/swap location
1424	sub save_path {	2025	sub save_path {
1425	my ($self) = @_;	2026	my ($self) = @_;
1426		2027
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1429	}	2030	}
1430		2031
1431	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1432	sub uniq_path {	2033	sub uniq_path {
1433	my ($self) = @_;	2034	my ($self) = @_;
1434		2035
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1437	}
1438
1439	# and all this just because we cannot iterate over
1440	# all maps in C++...
1441	sub change_all_map_light {
1442	my ($change) = @_;
1443
1444	$_->change_map_light ($change)
1445	for grep $_->outdoor, values %cf::MAP;
1446	}	2038	}
1447		2039
1448	sub decay_objects {	2040	sub decay_objects {
1449	my ($self) = @_;	2041	my ($self) = @_;
1450		2042
…		…
1463		2055
1464	sub load_header_from($) {	2056	sub load_header_from($) {
1465	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1466		2058
1467	utf8::encode $path;	2059	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	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;
1473		2068
1474	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1475		2070
1476	1	2071	1
1477	}	2072	}
…		…
1529		2124
1530	sub find;	2125	sub find;
1531	sub find {	2126	sub find {
1532	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1533		2128
		2129	cf::cede_to_tick;
		2130
1534	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1535		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1537		2135
1538	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";
1540	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1541	or return;	2138	or return;
1542		2139
1543	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1544		2141
…		…
1546	or return;	2143	or return;
1547		2144
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1551	$map->reset;	2150	$map->reset;
1552	undef $guard;
1553	return find $path;	2151	return find $path;
1554	}	2152	}
1555		2153
1556	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1557	}	2155	}
1558	}	2156	}
1559		2157
1560	sub pre_load { }	2158	sub pre_load { }
1561	sub post_load { }	2159	#sub post_load { } # XS
1562		2160
1563	sub load {	2161	sub load {
1564	my ($self) = @_;	2162	my ($self) = @_;
1565		2163
1566	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1567		2165
1568	my $path = $self->{path};	2166	my $path = $self->{path};
1569		2167
1570	{	2168	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1572		2170
		2171	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		2173
1575	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1576		2175
1577	$self->alloc;	2176	$self->alloc;
1578		2177
1579	$self->pre_load;	2178	$self->pre_load;
1580	Coro::cede;	2179	cf::cede_to_tick;
1581		2180
		2181	my $f = new_from_file cf::object::thawer $self->{load_path};
		2182	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	2183	$self->_load_objects ($f)
1583	or return;	2184	or return;
1584		2185
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2186	$self->post_load_original
1586	if delete $self->{load_original};	2187	if delete $self->{load_original};
1587		2188
1588	if (my $uniq = $self->uniq_path) {	2189	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2190	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2191	unless (aio_stat $uniq) {
		2192	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2193	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2194	$self->_load_objects ($f);
		2195	$f->resolve_delayed_derefs;
		2196	}
1593	}	2197	}
1594	}	2198	}
1595		2199
1596	Coro::cede;	2200	$f->resolve_delayed_derefs;
		2201
		2202	cf::cede_to_tick;
1597	# now do the right thing for maps	2203	# now do the right thing for maps
1598	$self->link_multipart_objects;	2204	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2205	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2206	unless $self->difficulty;
1601	Coro::cede;	2207	cf::cede_to_tick;
1602		2208
1603	unless ($self->{deny_activate}) {	2209	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2210	$self->decay_objects;
1605	$self->fix_auto_apply;	2211	$self->fix_auto_apply;
1606	$self->update_buttons;	2212	$self->update_buttons;
1607	Coro::cede;	2213	cf::cede_to_tick;
1608	$self->set_darkness_map;
1609	Coro::cede;
1610	$self->activate;	2214	$self->activate;
1611	}	2215	}
1612		2216
		2217	$self->{last_save} = $cf::RUNTIME;
		2218	$self->last_access ($cf::RUNTIME);
		2219
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2220	$self->in_memory (cf::MAP_ACTIVE);
1614	}	2221	}
1615		2222
1616	$self->post_load;	2223	$self->post_load;
1617	}
1618		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
1619	sub customise_for {	2231	sub customise_for {
1620	my ($self, $ob) = @_;	2232	my ($self, $ob) = @_;
1621		2233
1622	return find "~" . $ob->name . "/" . $self->{path}	2234	return find "~" . $ob->name . "/" . $self->{path}
1623	if $self->per_player;	2235	if $self->per_player;
…		…
1627		2239
1628	$self	2240	$self
1629	}	2241	}
1630		2242
1631	# 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
1632	sub load_diag {	2244	sub load_neighbours {
1633	my ($map) = @_;	2245	my ($map) = @_;
1634		2246
1635	my @diag; # diagonal neighbours	2247	my @neigh; # diagonal neighbours
1636		2248
1637	for (0 .. 3) {	2249	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2250	my $neigh = $map->tile_path ($_)
1639	or next;	2251	or next;
1640	$neigh = find $neigh, $map	2252	$neigh = find $neigh, $map
1641	or next;	2253	or next;
1642	$neigh->load;	2254	$neigh->load;
1643		2255
		2256	# now find the diagonal neighbours
		2257	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2258	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2259	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2260	}
1647		2261
1648	for (@diag) {	2262	for (grep defined $_->[0], @neigh) {
		2263	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2264	my $neigh = find $path, $origin
1650	or next;	2265	or next;
1651	$neigh->load;	2266	$neigh->load;
1652	}	2267	}
1653	}	2268	}
1654		2269
1655	sub find_sync {	2270	sub find_sync {
1656	my ($path, $origin) = @_;	2271	my ($path, $origin) = @_;
1657		2272
1658	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
1659	}	2277	}
1660		2278
1661	sub do_load_sync {	2279	sub do_load_sync {
1662	my ($map) = @_;	2280	my ($map) = @_;
1663		2281
1664	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;
1665	}	2286	}
1666		2287
1667	our %MAP_PREFETCH;	2288	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2289	our $MAP_PREFETCHER = undef;
1669		2290
1670	sub find_async {	2291	sub find_async {
1671	my ($path, $origin) = @_;	2292	my ($path, $origin, $load) = @_;
1672		2293
1673	$path = normalise $path, $origin && $origin->{path};	2294	$path = normalise $path, $origin && $origin->{path};
1674		2295
1675	if (my $map = $cf::MAP{$path}) {	2296	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2297	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677	}	2298	}
1678		2299
1679	undef $MAP_PREFETCH{$path};	2300	$MAP_PREFETCH{$path} |= $load;
		2301
1680	$MAP_PREFETCHER ||= cf::async {	2302	$MAP_PREFETCHER ||= cf::async {
		2303	$Coro::current->{desc} = "map prefetcher";
		2304
1681	while (%MAP_PREFETCH) {	2305	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2306	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2307	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2308	$map->load if $v;
		2309	}
1686		2310
1687	delete $MAP_PREFETCH{$path};	2311	delete $MAP_PREFETCH{$k};
1688	}	2312	}
1689	}	2313	}
1690	undef $MAP_PREFETCHER;	2314	undef $MAP_PREFETCHER;
1691	};	2315	};
1692	$MAP_PREFETCHER->prio (6);	2316	$MAP_PREFETCHER->prio (6);
1693		2317
1694	()	2318	()
1695	}	2319	}
1696		2320
		2321	# common code, used by both ->save and ->swapout
1697	sub save {	2322	sub _save {
1698	my ($self) = @_;	2323	my ($self) = @_;
1699
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;
1701		2324
1702	$self->{last_save} = $cf::RUNTIME;	2325	$self->{last_save} = $cf::RUNTIME;
1703		2326
1704	return unless $self->dirty;	2327	return unless $self->dirty;
1705		2328
…		…
1711	return if $self->{deny_save};	2334	return if $self->{deny_save};
1712		2335
1713	local $self->{last_access} = $self->last_access;#d#	2336	local $self->{last_access} = $self->last_access;#d#
1714		2337
1715	cf::async {	2338	cf::async {
		2339	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2340	$_->contr->save for $self->players;
1717	};	2341	};
		2342
		2343	cf::get_slot 0.02;
1718		2344
1719	if ($uniq) {	2345	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2347	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2348	} else {
1723	$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);
1724	}	2350	}
1725	}	2351	}
1726		2352
		2353	sub save {
		2354	my ($self) = @_;
		2355
		2356	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2357
		2358	$self->_save;
		2359	}
		2360
1727	sub swap_out {	2361	sub swap_out {
1728	my ($self) = @_;	2362	my ($self) = @_;
1729		2363
1730	# save first because save cedes
1731	$self->save;
1732
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2364	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2365
		2366	return if $self->in_memory != cf::MAP_ACTIVE;
		2367	return if $self->{deny_save};
1735	return if $self->players;	2368	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};
1738		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
1739	$self->clear;	2379	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2380	}
1742		2381
1743	sub reset_at {	2382	sub reset_at {
1744	my ($self) = @_;	2383	my ($self) = @_;
1745		2384
…		…
1763		2402
1764	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1765		2404
1766	return if $self->players;	2405	return if $self->players;
1767		2406
1768	warn "resetting map ", $self->path;	2407	cf::trace "resetting map ", $self->path, "\n";
1769		2408
1770	$self->in_memory (cf::MAP_SWAPPED);	2409	$self->in_memory (cf::MAP_SWAPPED);
1771		2410
1772	# need to save uniques path	2411	# need to save uniques path
1773	unless ($self->{deny_save}) {	2412	unless ($self->{deny_save}) {
…		…
1777	if $uniq;	2416	if $uniq;
1778	}	2417	}
1779		2418
1780	delete $cf::MAP{$self->path};	2419	delete $cf::MAP{$self->path};
1781		2420
		2421	$self->deactivate;
		2422	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2423	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2424
1786	$self->unlink_save;	2425	$self->unlink_save;
1787	$self->destroy;	2426	$self->destroy;
1788	}	2427	}
1789		2428
1790	my $nuke_counter = "aaaa";	2429	my $nuke_counter = "aaaa";
1791		2430
1792	sub nuke {	2431	sub nuke {
1793	my ($self) = @_;	2432	my ($self) = @_;
1794		2433
		2434	{
		2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2436
1795	delete $cf::MAP{$self->path};	2437	delete $cf::MAP{$self->path};
1796		2438
1797	$self->unlink_save;	2439	$self->unlink_save;
1798		2440
1799	bless $self, "cf::map";	2441	bless $self, "cf::map::wrap";
1800	delete $self->{deny_reset};	2442	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2443	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2444	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2445	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2446
1805	$cf::MAP{$self->path} = $self;	2447	$cf::MAP{$self->path} = $self;
		2448	}
1806		2449
1807	$self->reset; # polite request, might not happen	2450	$self->reset; # polite request, might not happen
1808	}	2451	}
1809		2452
1810	=item $maps = cf::map::tmp_maps	2453	=item $maps = cf::map::tmp_maps
…		…
1852		2495
1853	sub unique_maps() {	2496	sub unique_maps() {
1854	[	2497	[
1855	map {	2498	map {
1856	utf8::decode $_;	2499	utf8::decode $_;
1857	/\.map$/	2500	s/\.map$//; # TODO future compatibility hack
		2501	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2502	? ()
1858	? normalise $_	2503	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2504	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2505	]
1862	}	2506	}
1863		2507
1864	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	}
1865		2539
1866	=back	2540	=back
1867		2541
1868	=head3 cf::object	2542	=head3 cf::object
1869		2543
…		…
1873		2547
1874	=over 4	2548	=over 4
1875		2549
1876	=item $ob->inv_recursive	2550	=item $ob->inv_recursive
1877		2551
1878	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.
1879		2554
1880	=cut	2555	=cut
1881		2556
1882	sub inv_recursive_;	2557	sub inv_recursive_;
1883	sub inv_recursive_ {	2558	sub inv_recursive_ {
…		…
1886		2561
1887	sub inv_recursive {	2562	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2563	inv_recursive_ inv $_[0]
1889	}	2564	}
1890		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
1891	package cf;	2594	package cf;
1892		2595
1893	=back	2596	=back
1894		2597
1895	=head3 cf::object::player	2598	=head3 cf::object::player
…		…
1901	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>
1902	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
1903	dialogue with the given NPC character.	2606	dialogue with the given NPC character.
1904		2607
1905	=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	};
1906		2623
1907	# rough implementation of a future "reply" method that works	2624	# rough implementation of a future "reply" method that works
1908	# with dialog boxes.	2625	# with dialog boxes.
1909	#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
1910	sub cf::object::player::reply($$$;$) {	2627	sub cf::object::player::reply($$$;$) {
…		…
1912		2629
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2631
1915	if ($self->{record_replies}) {	2632	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2634
1917	} 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 {
1918	$msg = $npc->name . " says: $msg" if $npc;	2643	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2644	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2645	}
1920	}	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 (@_);
1921	}	2657	}
1922		2658
1923	=item $player_object->may ("access")	2659	=item $player_object->may ("access")
1924		2660
1925	Returns wether the given player is authorized to access resource "access"	2661	Returns wether the given player is authorized to access resource "access"
…		…
1938		2674
1939	=item $player_object->enter_link	2675	=item $player_object->enter_link
1940		2676
1941	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}>).
1942		2678
1943	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.
1944	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.
1945		2683
1946	Will never block.	2684	Will never block.
1947		2685
1948	=item $player_object->leave_link ($map, $x, $y)	2686	=item $player_object->leave_link ($map, $x, $y)
1949		2687
…		…
1969	sub cf::object::player::enter_link {	2707	sub cf::object::player::enter_link {
1970	my ($self) = @_;	2708	my ($self) = @_;
1971		2709
1972	$self->deactivate_recursive;	2710	$self->deactivate_recursive;
1973		2711
		2712	++$self->{_link_recursion};
		2713
1974	return if UNIVERSAL::isa $self->map, "ext::map_link";	2714	return if UNIVERSAL::isa $self->map, "ext::map_link";
1975		2715
1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2716	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1977	if $self->map && $self->map->{path} ne "{link}";	2717	if $self->map && $self->map->{path} ne "{link}";
1978		2718
1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2719	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1980	}	2720	}
1981		2721
1982	sub cf::object::player::leave_link {	2722	sub cf::object::player::leave_link {
1983	my ($self, $map, $x, $y) = @_;	2723	my ($self, $map, $x, $y) = @_;
1984		2724
…		…
2001	($x, $y) = (-1, -1)	2741	($x, $y) = (-1, -1)
2002	unless (defined $x) && (defined $y);	2742	unless (defined $x) && (defined $y);
2003		2743
2004	# use -1 or undef as default coordinates, not 0, 0	2744	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2745	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2746	if $x <= 0 && $y <= 0;
2007		2747
2008	$map->load;	2748	$map->load;
2009	$map->load_diag;	2749	$map->load_neighbours;
2010		2750
2011	return unless $self->contr->active;	2751	return unless $self->contr->active;
2012	$self->activate_recursive;
2013		2752
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2016	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2017		2760
		2761	}
		2762
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2019		2764
2020	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
2021	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2022	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
2023	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 >>.
2024		2773
2025	=cut	2774	=cut
2026		2775
2027	our $GOTOGEN;	2776	our $GOTOGEN;
2028		2777
2029	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2030	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	}
2031		2786
2032	# 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
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2789
2035	$self->enter_link;	2790	$self->enter_link;
2036		2791
2037	(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
2038	my $map = eval {	2814	my $map = eval {
2039	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path : undef;
2040		2816
2041	if ($map) {	2817	if ($map) {
2042	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2044	} else {	2820	} else {
2045	$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);
2046	}	2822	}
2047		2823
2048	$map	2824	$map
2049	};	2825	};
2050		2826
…		…
2055		2831
2056	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2059	}	2835	}
		2836
		2837	$done->($self) if $done;
2060	})->prio (1);	2838	})->prio (1);
2061	}	2839	}
2062		2840
2063	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2064		2842
…		…
2084	}	2862	}
2085		2863
2086	sub prepare_random_map {	2864	sub prepare_random_map {
2087	my ($exit) = @_;	2865	my ($exit) = @_;
2088		2866
2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2092	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2093	# that depends on the exit object	2869	# that depends on the exit object
2094		2870
2095	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2097	if ($exit->map) {	2873	if ($exit->map) {
2098	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2099	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2100	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2101	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2102	}	2880	}
2103		2881
2104	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2105		2883
2106	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2109		2887
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2112	undef $fh;	2890	undef $fh;
2113	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2114		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2115	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2116	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2117	}	2899	}
2118	}	2900	}
2119		2901
2120	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2121	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2122		2904
2123	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2124		2906
2125	if ($exit->slaying eq "/!") {
2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
2127	# the problem is that $exit might not survive long enough
2128	# so it needs to be done right now, right here
2129	cf::sync_job { prepare_random_map $exit };
2130	}
2131
2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;
2135
2136	$self->enter_link;	2907	$self->enter_link;
2137		2908
2138	(async {	2909	(async {
2139	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2140	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
2141	$self->goto ($slaying, $hp, $sp);	2927	$self->goto ($map, $x, $y);
2142		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
2143	1;	2933	1
2144	}) {	2934	}) {
2145	$self->message ("Something went wrong deep within the crossfire server. "	2935	$self->message ("Something went wrong deep within the deliantra server. "
2146	. "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. "
2147	. "Please report this to the dungeon master!",	2937	. "Please report this to the dungeon master!",
2148	cf::NDI_UNIQUE | cf::NDI_RED);	2938	cf::NDI_UNIQUE | cf::NDI_RED);
2149		2939
2150	warn "ERROR in enter_exit: $@";	2940	error "ERROR in enter_exit: $@";
2151	$self->leave_link;	2941	$self->leave_link;
2152	}	2942	}
2153	})->prio (1);	2943	})->prio (1);
2154	}	2944	}
2155		2945
…		…
2169		2959
2170	utf8::encode $text;	2960	utf8::encode $text;
2171	$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);
2172	}	2962	}
2173		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
2174	=item $client->ext_event ($type, %msg)	3151	=item $client->ext_msg ($type, @msg)
2175		3152
2176	Sends an exti event to the client.	3153	Sends an ext event to the client.
2177		3154
2178	=cut	3155	=cut
2179		3156
2180	sub cf::client::ext_event($$%) {	3157	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	3158	my ($self, $type, @msg) = @_;
2182		3159
		3160	if ($self->extcmd == 2) {
		3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3162	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	3163	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	3164	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3165	}
		3166	}
		3167
		3168	=item $client->ext_reply ($msgid, @msg)
		3169
		3170	Sends an ext reply to the client.
		3171
		3172	=cut
		3173
		3174	sub cf::client::ext_reply($$@) {
		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	}
2185	}	3184	}
2186		3185
2187	=item $success = $client->query ($flags, "text", \&cb)	3186	=item $success = $client->query ($flags, "text", \&cb)
2188		3187
2189	Queues a query to the client, calling the given callback with	3188	Queues a query to the client, calling the given callback with
2190	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>,
2191	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>.
2192		3191
2193	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
2194	reliable at some point in the future.	3193	become reliable at some point in the future.
2195		3194
2196	=cut	3195	=cut
2197		3196
2198	sub cf::client::query {	3197	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	3198	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	3206	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		3208
2210	$self->send_packet ($self->{query_queue}[0][0])	3209	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	3210	if @{ $self->{query_queue} } == 1;
		3211
		3212	1
2212	}	3213	}
2213		3214
2214	cf::client->attach (	3215	cf::client->attach (
		3216	on_connect => sub {
		3217	my ($ns) = @_;
		3218
		3219	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3220	},
2215	on_reply => sub {	3221	on_reply => sub {
2216	my ($ns, $msg) = @_;	3222	my ($ns, $msg) = @_;
2217		3223
2218	# this weird shuffling is so that direct followup queries	3224	# this weird shuffling is so that direct followup queries
2219	# get handled first	3225	# get handled first
…		…
2231	} else {	3237	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3238	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	3239	}
2234	}	3240	}
2235	},	3241	},
		3242	on_exticmd => sub {
		3243	my ($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	},
2236	);	3268	);
2237		3269
2238	=item $client->async (\&cb)	3270	=item $client->async (\&cb)
2239		3271
2240	Create a new coroutine, running the specified callback. The coroutine will	3272	Create a new coroutine, running the specified callback. The coroutine will
…		…
2256		3288
2257	$coro	3289	$coro
2258	}	3290	}
2259		3291
2260	cf::client->attach (	3292	cf::client->attach (
2261	on_destroy => sub {	3293	on_client_destroy => sub {
2262	my ($ns) = @_;	3294	my ($ns) = @_;
2263		3295
2264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3296	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2265	},	3297	},
2266	);	3298	);
…		…
2281	our $safe = new Safe "safe";	3313	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3314	our $safe_hole = new Safe::Hole;
2283		3315
2284	$SIG{FPE} = 'IGNORE';	3316	$SIG{FPE} = 'IGNORE';
2285		3317
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3318	$safe->permit_only (Opcode::opset qw(
		3319	:base_core :base_mem :base_orig :base_math :base_loop
		3320	grepstart grepwhile mapstart mapwhile
		3321	sort time
		3322	));
2287		3323
2288	# here we export the classes and methods available to script code	3324	# here we export the classes and methods available to script code
2289		3325
2290	=pod	3326	=pod
2291		3327
2292	The following functions and methods are available within a safe environment:	3328	The following functions and methods are available within a safe environment:
2293		3329
2294	cf::object contr pay_amount pay_player map	3330	cf::object
		3331	contr pay_amount pay_player map x y force_find force_add destroy
		3332	insert remove name archname title slaying race decrease split
		3333	value
		3334
2295	cf::object::player player	3335	cf::object::player
2296	cf::player peaceful	3336	player
2297	cf::map trigger	3337
		3338	cf::player
		3339	peaceful
		3340
		3341	cf::map
		3342	trigger
2298		3343
2299	=cut	3344	=cut
2300		3345
2301	for (	3346	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3347	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3348	insert remove inv nrof name archname title slaying race
		3349	decrease split destroy change_exp value msg lore send_msg)],
2303	["cf::object::player" => qw(player)],	3350	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3351	["cf::player" => qw(peaceful send_msg)],
2305	["cf::map" => qw(trigger)],	3352	["cf::map" => qw(trigger)],
2306	) {	3353	) {
2307	no strict 'refs';
2308	my ($pkg, @funs) = @$_;	3354	my ($pkg, @funs) = @$_;
2309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3355	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2310	for @funs;	3356	for @funs;
2311	}	3357	}
2312		3358
…		…
2327		3373
2328	my $qcode = $code;	3374	my $qcode = $code;
2329	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3375	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2330	$qcode =~ s/\n/\\n/g;	3376	$qcode =~ s/\n/\\n/g;
2331		3377
		3378	%vars = (_dummy => 0) unless %vars;
		3379
		3380	my @res;
2332	local $_;	3381	local $_;
2333	local @safe::cf::_safe_eval_args = values %vars;
2334		3382
2335	my $eval =	3383	my $eval =
2336	"do {\n"	3384	"do {\n"
2337	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3385	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2338	. "#line 0 \"{$qcode}\"\n"	3386	. "#line 0 \"{$qcode}\"\n"
2339	. $code	3387	. $code
2340	. "\n}"	3388	. "\n}"
2341	;	3389	;
2342		3390
		3391	if ($CFG{safe_eval}) {
2343	sub_generation_inc;	3392	sub_generation_inc;
		3393	local @safe::cf::_safe_eval_args = values %vars;
2344	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3394	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2345	sub_generation_inc;	3395	sub_generation_inc;
		3396	} else {
		3397	local @cf::_safe_eval_args = values %vars;
		3398	@res = wantarray ? eval eval : scalar eval $eval;
		3399	}
2346		3400
2347	if ($@) {	3401	if ($@) {
2348	warn "$@";	3402	warn "$@",
2349	warn "while executing safe code '$code'\n";	3403	"while executing safe code '$code'\n",
2350	warn "with arguments " . (join " ", %vars) . "\n";	3404	"with arguments " . (join " ", %vars) . "\n";
2351	}	3405	}
2352		3406
2353	wantarray ? @res : $res[0]	3407	wantarray ? @res : $res[0]
2354	}	3408	}
2355		3409
…		…
2369	=cut	3423	=cut
2370		3424
2371	sub register_script_function {	3425	sub register_script_function {
2372	my ($fun, $cb) = @_;	3426	my ($fun, $cb) = @_;
2373		3427
2374	no strict 'refs';	3428	$fun = "safe::$fun" if $CFG{safe_eval};
2375	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3429	*$fun = $safe_hole->wrap ($cb);
2376	}	3430	}
2377		3431
2378	=back	3432	=back
2379		3433
2380	=cut	3434	=cut
2381
2382	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553		3435
2554	#############################################################################	3436	#############################################################################
2555	# the server's init and main functions	3437	# the server's init and main functions
2556		3438
2557	sub load_facedata($) {	3439	sub load_facedata($) {
2558	my ($path) = @_;	3440	my ($path) = @_;
2559		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
2560	warn "loading facedata from $path\n";	3448	trace "loading facedata from $path\n";
2561		3449
2562	my $facedata;	3450	my $facedata = decode_storable load_file $path;
2563	0 < aio_load $path, $facedata
2564	or die "$path: $!";
2565
2566	$facedata = Coro::Storable::thaw $facedata;
2567		3451
2568	$facedata->{version} == 2	3452	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3453	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		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
2571	{	3464	{
2572	my $faces = $facedata->{faceinfo};	3465	my $faces = $facedata->{faceinfo};
2573		3466
2574	while (my ($face, $info) = each %$faces) {	3467	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3468	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3469
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3470	cf::face::set_visibility $idx, $info->{visibility};
		3471	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3472	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3473	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2579	Coro::cede;	3474	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3475
		3476	cf::cede_to_tick;
2580	}	3477	}
2581		3478
2582	while (my ($face, $info) = each %$faces) {	3479	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3480	next unless $info->{smooth};
		3481
2584	my $idx = cf::face::find $face	3482	my $idx = cf::face::find $face
2585	or next;	3483	or next;
		3484
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3485	if (my $smooth = cf::face::find $info->{smooth}) {
		3486	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3487	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3488	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3489	error "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3490	}
2591	Coro::cede;	3491
		3492	cf::cede_to_tick;
2592	}	3493	}
2593	}	3494	}
2594		3495
2595	{	3496	{
2596	my $anims = $facedata->{animinfo};	3497	my $anims = $facedata->{animinfo};
2597		3498
2598	while (my ($anim, $info) = each %$anims) {	3499	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3500	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3501	cf::cede_to_tick;
2601	}	3502	}
2602		3503
2603	cf::anim::invalidate_all; # d'oh	3504	cf::anim::invalidate_all; # d'oh
2604	}	3505	}
2605		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
2606	1	3526	1
2607	}	3527	}
2608		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
2609	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
2610	load_resource_file "$MAPDIR/regions"	3552	load_resource_file "$MAPDIR/regions"
2611	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	}
2612	}	3559	}
2613		3560
2614	sub reload_facedata {	3561	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3562	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3563	or die "unable to load facedata\n";
…		…
2624	sub reload_treasures {	3571	sub reload_treasures {
2625	load_resource_file "$DATADIR/treasures"	3572	load_resource_file "$DATADIR/treasures"
2626	or die "unable to load treasurelists\n";	3573	or die "unable to load treasurelists\n";
2627	}	3574	}
2628		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
2629	sub reload_resources {	3596	sub reload_resources {
2630	warn "reloading resource files...\n";	3597	trace "reloading resource files...\n";
2631		3598
		3599	reload_exp_table;
		3600	reload_materials;
		3601	reload_facedata;
		3602	reload_sound;
		3603	reload_archetypes;
2632	reload_regions;	3604	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3605	reload_treasures;
2637		3606
2638	warn "finished reloading resource files\n";	3607	trace "finished reloading resource files\n";
2639	}	3608	}
2640		3609
2641	sub init {	3610	sub reload_config {
2642	reload_resources;	3611	trace "reloading config file...\n";
2643	}
2644		3612
2645	sub cfg_load {	3613	my $config = load_file "$CONFDIR/config";
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3614	utf8::decode $config;
2647	or return;	3615	*CFG = decode_yaml $config;
2648		3616
2649	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;
2651
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3617	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2653		3618
2654	$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};
2655	$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};
2656		3621
2657	if (exists $CFG{mlockall}) {	3622	if (exists $CFG{mlockall}) {
…		…
2661	};	3626	};
2662	warn $@ if $@;	3627	warn $@ if $@;
2663	}	3628	}
2664	}	3629	}
2665		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
2666	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
2667	# we must not ever block the main coroutine	3669	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3670	local $Coro::idle = sub {
2669	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#
2670	(async {	3672	(async {
2671	Event::one_event;	3673	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3674	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3675	})->prio (Coro::PRIO_MAX);
2673	};	3676	};
2674		3677
2675	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;
2676	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
2677	load_extensions;	3701	load_extensions;
2678		3702
2679	$TICK_WATCHER->start;	3703	utime time, time, $RUNTIMEFILE;
2680	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;
2681	}	3721	}
2682		3722
2683	#############################################################################	3723	#############################################################################
2684	# initialisation and cleanup	3724	# initialisation and cleanup
2685		3725
2686	# install some emergency cleanup handlers	3726	# install some emergency cleanup handlers
2687	BEGIN {	3727	BEGIN {
		3728	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3729	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3730	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3731	cf::cleanup "SIG$signal";
2696	},
2697	);	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
2698	}	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 };
2699	}	3822	}
2700		3823
2701	sub emergency_save() {	3824	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3825	my $freeze_guard = cf::freeze_mainloop;
2703		3826
2704	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;
2705		3833
2706	cf::sync_job {	3834	cf::sync_job {
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
2707	# use a peculiar iteration method to avoid tripping on perl	3837	# use a peculiar iteration method to avoid tripping on perl
2708	# refcount bugs in for. also avoids problems with players	3838	# refcount bugs in for. also avoids problems with players
2709	# and maps saved/destroyed asynchronously.	3839	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3840	info "emergency_perl_save: begin player save\n";
2711	for my $login (keys %cf::PLAYER) {	3841	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3842	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3843	$pl->valid or next;
		3844	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3845	$pl->save;
2715	}	3846	}
2716	warn "end emergency player save\n";	3847	info "emergency_perl_save: end player save\n";
2717		3848
2718	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";
2719	for my $path (keys %cf::MAP) {	3852	for my $path (keys %cf::MAP) {
2720	my $map = $cf::MAP{$path} or next;	3853	my $map = $cf::MAP{$path} or next;
2721	$map->valid or next;	3854	$map->valid or next;
2722	$map->save;	3855	$map->save;
2723	}	3856	}
2724	warn "end emergency map save\n";	3857	info "emergency_perl_save: end map save\n";
2725		3858
2726	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";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3862	BDB::db_env_txn_checkpoint $DB_ENV;
2728	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
2729	};	3887	};
2730		3888
2731	warn "leave emergency perl save\n";	3889	info "emergency_perl_save: leave\n";
2732	}	3890	}
2733		3891
2734	sub post_cleanup {	3892	sub post_cleanup {
2735	my ($make_core) = @_;	3893	my ($make_core) = @_;
2736		3894
		3895	IO::AIO::flush;
		3896
2737	warn Carp::longmess "post_cleanup backtrace"	3897	error Carp::longmess "post_cleanup backtrace"
2738	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	}
2739	}	3927	}
2740		3928
2741	sub do_reload_perl() {	3929	sub do_reload_perl() {
2742	# can/must only be called in main	3930	# can/must only be called in main
2743	if ($Coro::current != $Coro::main) {	3931	unless (in_main) {
2744	warn "can only reload from main coroutine";	3932	error "can only reload from main coroutine";
2745	return;	3933	return;
2746	}	3934	}
2747		3935
2748	warn "reloading...";	3936	return if $RELOAD++;
2749		3937
2750	warn "entering sync_job";	3938	my $t1 = AE::time;
2751		3939
		3940	while ($RELOAD) {
		3941	cf::get_slot 0.1, -1, "reload_perl";
		3942	info "perl_reload: reloading...";
		3943
		3944	trace "perl_reload: entering sync_job";
		3945
2752	cf::sync_job {	3946	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark
2754	cf::emergency_save;	3947	#cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark
2756		3948
2757	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;
2759
2760	# if anything goes wrong in here, we should simply crash as we already saved
2761
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766
2767	warn "flushing outstanding aio requests";
2768	for (;;) {
2769	BDB::flush;
2770	IO::AIO::flush;
2771	Coro::cede;
2772	last unless IO::AIO::nreqs || BDB::nreqs;
2773	warn "iterate...";
2774	}
2775
2776	++$RELOAD;
2777
2778	warn "cancelling all extension coros";	3949	trace "perl_reload: cancelling all extension coros";
2779	$_->cancel for values %EXT_CORO;	3950	$_->cancel for values %EXT_CORO;
2780	%EXT_CORO = ();	3951	%EXT_CORO = ();
2781		3952
2782	warn "removing commands";	3953	trace "perl_reload: removing commands";
2783	%COMMAND = ();	3954	%COMMAND = ();
2784		3955
2785	warn "removing ext commands";	3956	trace "perl_reload: removing ext/exti commands";
2786	%EXTCMD = ();	3957	%EXTCMD = ();
		3958	%EXTICMD = ();
2787		3959
2788	warn "unloading/nuking all extensions";	3960	trace "perl_reload: unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	3961	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	3962	trace "... unloading $pkg";
2791		3963
2792	if (my $cb = $pkg->can ("unload")) {	3964	if (my $cb = $pkg->can ("unload")) {
2793	eval {	3965	eval {
2794	$cb->($pkg);	3966	$cb->($pkg);
2795	1	3967	1
2796	} 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;
2797	}	3973	}
2798		3974
2799	warn "... nuking $pkg";
2800	Symbol::delete_package $pkg;
2801	}
2802
2803	warn "unloading all perl modules loaded from $LIBDIR";	3975	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2804	while (my ($k, $v) = each %INC) {	3976	while (my ($k, $v) = each %INC) {
2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3977	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806		3978
2807	warn "... unloading $k";	3979	trace "... unloading $k";
2808	delete $INC{$k};	3980	delete $INC{$k};
2809		3981
2810	$k =~ s/\.pm$//;	3982	$k =~ s/\.pm$//;
2811	$k =~ s/\//::/g;	3983	$k =~ s/\//::/g;
2812		3984
2813	if (my $cb = $k->can ("unload_module")) {	3985	if (my $cb = $k->can ("unload_module")) {
2814	$cb->();	3986	$cb->();
		3987	}
		3988
		3989	clear_package $k;
2815	}	3990	}
2816		3991
2817	Symbol::delete_package $k;
2818	}
2819
2820	warn "getting rid of safe::, as good as possible";	3992	trace "perl_reload: getting rid of safe::, as good as possible";
2821	Symbol::delete_package "safe::$_"	3993	clear_package "safe::$_"
2822	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);
2823		3995
2824	warn "unloading cf.pm \"a bit\"";	3996	trace "perl_reload: unloading cf.pm \"a bit\"";
2825	delete $INC{"cf.pm"};	3997	delete $INC{"cf.pm"};
2826	delete $INC{"cf/pod.pm"};	3998	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2827		3999
2828	# don't, removes xs symbols, too,	4000	# don't, removes xs symbols, too,
2829	# and global variables created in xs	4001	# and global variables created in xs
2830	#Symbol::delete_package __PACKAGE__;	4002	#clear_package __PACKAGE__;
2831		4003
2832	warn "unload completed, starting to reload now";	4004	info "perl_reload: unload completed, starting to reload now";
2833		4005
2834	warn "reloading cf.pm";	4006	trace "perl_reload: reloading cf.pm";
2835	require cf;	4007	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4008	cf::_connect_to_perl_1;
2837		4009
2838	warn "loading config and database again";	4010	trace "perl_reload: loading config and database again";
2839	cf::cfg_load;	4011	cf::reload_config;
2840		4012
2841	warn "loading extensions";	4013	trace "perl_reload: loading extensions";
2842	cf::load_extensions;	4014	cf::load_extensions;
2843		4015
		4016	if ($REATTACH_ON_RELOAD) {
2844	warn "reattaching attachments to objects/players";	4017	trace "perl_reload: reattaching attachments to objects/players";
2845	_global_reattach; # objects, sockets	4018	_global_reattach; # objects, sockets
2846	warn "reattaching attachments to maps";	4019	trace "perl_reload: reattaching attachments to maps";
2847	reattach $_ for values %MAP;	4020	reattach $_ for values %MAP;
2848	warn "reattaching attachments to players";	4021	trace "perl_reload: reattaching attachments to players";
2849	reattach $_ for values %PLAYER;	4022	reattach $_ for values %PLAYER;
		4023	}
2850		4024
2851	warn "leaving sync_job";	4025	cf::_post_init 1;
2852		4026
		4027	trace "perl_reload: leaving sync_job";
		4028
2853	1	4029	1
2854	} or do {	4030	} or do {
2855	warn $@;	4031	error $@;
2856	warn "error while reloading, exiting.";	4032	cf::cleanup "perl_reload: error, exiting.";
2857	exit 1;	4033	};
		4034
		4035	--$RELOAD;
2858	};	4036	}
2859		4037
2860	warn "reloaded";	4038	$t1 = AE::time - $t1;
		4039	info "perl_reload: completed in ${t1}s\n";
2861	};	4040	};
2862		4041
2863	our $RELOAD_WATCHER; # used only during reload	4042	our $RELOAD_WATCHER; # used only during reload
2864		4043
2865	sub reload_perl() {	4044	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	4045	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	4046	# coro crashes during coro_state_free->destroy here.
2868		4047
2869	$RELOAD_WATCHER ||= Event->timer (	4048	$RELOAD_WATCHER ||= cf::async {
2870	reentrant => 0,	4049	Coro::AIO::aio_wait cache_extensions;
2871	after => 0,	4050
2872	data => WF_AUTOCANCEL,	4051	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2873	cb => sub {
2874	do_reload_perl;	4052	do_reload_perl;
2875	undef $RELOAD_WATCHER;	4053	undef $RELOAD_WATCHER;
2876	},	4054	};
2877	);	4055	};
2878	}	4056	}
2879		4057
2880	register_command "reload" => sub {	4058	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	4059	my ($who, $arg) = @_;
2882		4060
2883	if ($who->flag (FLAG_WIZ)) {	4061	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	4062	$who->message ("reloading server.");
		4063	async {
		4064	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	4065	reload_perl;
		4066	};
2886	}	4067	}
2887	};	4068	};
2888		4069
2889	unshift @INC, $LIBDIR;	4070	#############################################################################
2890		4071
2891	my $bug_warning = 0;	4072	my $bug_warning = 0;
2892		4073
2893	our @WAIT_FOR_TICK;	4074	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;	4075	our @WAIT_FOR_TICK_BEGIN;
2895		4076
2896	sub wait_for_tick {	4077	sub wait_for_tick() {
2897	return unless $TICK_WATCHER->is_active;
2898	return if $Coro::current == $Coro::main;	4078	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2899		4079
2900	my $signal = new Coro::Signal;	4080	my $signal = new Coro::Signal;
2901	push @WAIT_FOR_TICK, $signal;	4081	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;	4082	$signal->wait;
2903	}	4083	}
2904		4084
2905	sub wait_for_tick_begin {	4085	sub wait_for_tick_begin() {
2906	return unless $TICK_WATCHER->is_active;
2907	return if $Coro::current == $Coro::main;	4086	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2908		4087
2909	my $signal = new Coro::Signal;	4088	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	4089	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	4090	$signal->wait;
2912	}	4091	}
2913		4092
2914	my $min = 1e6;#d#	4093	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	4094	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4095	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	4096	unless ++$bug_warning > 10;
2926	return;	4097	return;
2927	}	4098	}
2928		4099
2929	$NOW = $tick_start = Event::time;
2930
2931	cf::server_tick; # one server iteration	4100	cf::server_tick; # one server iteration
2932		4101
2933	0 && sync_job {#d#	4102	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2934	for(1..10) {
2935	my $t = Event::time;
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2937	or die;
2938		4103
2939	$map->width (50);	4104	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2940	$map->height (50);	4105	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2941	$map->alloc;	4106	Coro::async_pool {
2942	$map->_load_objects ("/tmp/x.map", 1);	4107	$Coro::current->{desc} = "runtime saver";
2943	my $t = Event::time - $t;	4108	write_runtime_sync
2944		4109	or error "ERROR: unable to write runtime file: $!";
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	4110	};
		4111	}
2955		4112
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4113	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	4114	$sig->send;
2972	}	4115	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	4116	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	4117	$sig->send;
2975	}	4118	}
2976		4119
2977	$NOW = Event::time;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		4122
2988	_post_tick;	4123	if (0) {
2989		4124	if ($NEXT_TICK) {
2990		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
2991	},	4129	}
2992	);	4130	}
2993		4131
2994	{	4132	{
2995	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	4134
2997	reentrant => 0,
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3005		4136	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	4137	$AnyEvent::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		4138
3021	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3022	$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);
3023		4146
3024	cf::sync_job {	4147	cf::sync_job {
3025	eval {	4148	eval {
3026	BDB::db_env_open	4149	BDB::db_env_open
3027	$DB_ENV,	4150	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	4154	0666;
3032		4155
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	4157	};
3038		4158
3039	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	4160	};
3041	}	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	};
3042	}	4172	}
3043		4173
3044	{	4174	{
		4175	# configure IO::AIO
		4176
3045	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
3050	reentrant => 0,
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	4180	}
3058		4181
3059	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3060		4184
3061	sub _log_backtrace {	4185	sub _log_backtrace {
3062	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3063		4187
3064	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3065		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3066	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3068	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
3069	async {	4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
3070	my @bt = fork_call {	4201	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	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 |"
3074	or die "addr2line: $!";	4205	or die "addr2line: $!";
…		…
3082	}	4213	}
3083		4214
3084	@funcs	4215	@funcs
3085	};	4216	};
3086		4217
3087	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3089	--$_log_backtrace;	4221	--$_log_backtrace;
3090	};	4222	};
3091	} else {	4223	} else {
3092	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3093	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3094	}	4226	}
3095	}	4227	}
3096		4228
3097	# load additional modules	4229	# load additional modules
3098	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3099		4232
3100	END { cf::emergency_save }	4233	END { cf::emergency_save }
3101		4234
3102	1	4235	1
3103		4236

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