ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.562 by root, Sat Apr 23 04:46:26 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
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		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 $REALLY_UNLOOP; # never set to true, please :)
		155
95	binmode STDOUT;	156	binmode STDOUT;
96	binmode STDERR;	157	binmode STDERR;
97		158
98	# read virtual server time, if available	159	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
103	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
104		167
105	mkdir $_	168	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		170
108	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
109		172
110	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::"} };
111		189
112	#############################################################################	190	#############################################################################
113		191
114	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
115		193
…		…
139		217
140	=item $cf::TICK	218	=item $cf::TICK
141		219
142	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
143		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
144	=item %cf::CFG	232	=item %cf::CFG
145		233
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	235	from wherever your confdir points to.
148		236
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		238
151	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
152	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
153	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.
154		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
155	=back	260	=back
156		261
157	=cut	262	=cut
158		263
159	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
160	*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 {
161	my $msg = join "", @_;	271	my $msg = join "", @_;
162		272
163	$msg .= "\n"	273	$msg .= "\n"
164	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
165		275
166	$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;
167		277
168	utf8::encode $msg;
169	LOG llevError, $msg;	278	LOG llevWarn, $msg;
170	};	279	};
171	}	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	};
172		294
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		302
180	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	304	# within the Safe compartment.
182	for my $pkg (qw(	305	for my $pkg (qw(
183	cf::global cf::attachable	306	cf::global cf::attachable
184	cf::object cf::object::player	307	cf::object cf::object::player
185	cf::client cf::player	308	cf::client cf::player
186	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
187	cf::map cf::party cf::region	311	cf::party cf::region
188	)) {	312	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	314	}
192		315
193	$Event::DIED = sub {	316	$EV::DIED = sub {
194	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
195	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
196		326
197	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
198		328
199	=over 4	329	=over 4
200		330
…		…
219	$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;
220	$d	350	$d
221	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
222	}	352	}
223		353
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
225		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
226	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
227		369
228	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
229		371
230	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
231		373
232	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
233		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
234	=item cf::lock_wait $string	445	=item cf::lock_wait $string
235		446
236	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
237		448
238	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
239		450
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
243	returned.	454	returned.
244		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
245	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
246	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
247		461
248	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
249		463
250	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.
251		465
252	=cut	466	=cut
253		467
254	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
255		469
256	sub lock_wait($) {	470	sub lock_wait($) {
257	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	472	}
265		473
266	sub lock_acquire($) {	474	sub lock_acquire($) {
267	my ($key) = @_;	475	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	476	}
279		477
280	sub lock_active($) {	478	sub lock_active($) {
281	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	480	}
285		481
286	sub freeze_mainloop {	482	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
288		484
289	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
290	$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	}
291	};	556	}
292	$TICK_WATCHER->stop;	557	};
293	$guard	558
		559	sub get_slot($;$$) {
		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;
294	}	572	}
295		573
296	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
297		575
298	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		581
304	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
305		583
306	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
307		585
308	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
309	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
310	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.
311		590
312	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
313	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
314	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
315	fast or be very important.	594	fast or be very important.
…		…
317	=cut	596	=cut
318		597
319	sub sync_job(&) {	598	sub sync_job(&) {
320	my ($job) = @_;	599	my ($job) = @_;
321		600
322	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
323	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
325		606
326	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	608
328	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
329		610
330	my $busy = 1;	611	my $busy = 1;
331	my @res;	612	my @res;
332		613
333	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	616	@res = eval { $job->() };
335	warn $@ if $@;	617	error $@ if $@;
336	undef $busy;	618	undef $busy;
337	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
338		620
339	while ($busy) {	621	while ($busy) {
340	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
341	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
342		632
343	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
344	} else {	634	} else {
345	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
346		636
…		…
366	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
367		657
368	$coro	658	$coro
369	}	659	}
370		660
371	sub write_runtime {	661	=item fork_call { }, @args
372	my $runtime = "$LOCALDIR/runtime";
373		662
374	# first touch the runtime file to show we are still running:	663	Executes the given code block with the given arguments in a seperate
375	# 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.
376		667
377	warn "touching runtime...\n";#d#	668	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	669
379	utime undef, undef, $fh;	670	sub post_fork {
		671	reset_signals;
		672	}
		673
		674	sub fork_call(&@) {
		675	my ($cb, @args) = @_;
		676
		677	# we seemingly have to make a local copy of the whole thing,
		678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
		680
		681	my @res = Coro::Util::fork_eval {
		682	cf::post_fork;
		683	&$cb
		684	} @args;
		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
380	}	757	};
		758	cf::cleanup "db_open(db): $@" if $@;
381		759
382	my $guard = cf::lock_acquire "write_runtime";	760	$db
		761	}
383		762
384	warn "starting to write runtime...\n";#d#	763	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		764
388	my $value = $cf::RUNTIME + 90 + 10;	765	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	766	$DB ||= db_table "db";
390	# 60 allows for the watchdog to kill the server.	767	}
391		768
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	769	sub db_get($$) {
393	and return;	770	my $key = "$_[0]/$_[1]";
394		771
395	# always fsync - this file is important	772	cf::error "db_get called from main context"
396	aio_fsync $fh	773	if $Coro::current == $Coro::main;
397	and return;
398		774
399	# touch it again to show we are up-to-date	775	BDB::db_get $DB, undef, $key, my $data;
400	utime undef, undef, $fh;
401		776
402	close $fh	777	$! ? ()
403	or return;	778	: $data
		779	}
404		780
405	aio_rename "$runtime~", $runtime	781	sub db_put($$$) {
406	and return;	782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
407		785
408	warn "... done writing runtime.\n";#d#	786	=item cf::cache $id => [$paths...], $processversion => $process
409		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;
410	1	850	}
		851
		852	db_get cache => "$id/data"
411	}	853	}
412		854
413	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
414		856
415	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.
416		858
417	=cut	859	=cut
418		860
419	sub datalog($@) {	861	sub datalog($@) {
420	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
422	}	864	}
423		865
424	=back	866	=back
425		867
426	=cut	868	=cut
427		869
428	#############################################################################	870	#############################################################################
429		871
430	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
431		873
432	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
433	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")
434	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
435		877
436	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>
437	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
438	crossfire+).	880	Deliantra).
439		881
440	=over 4	882	=over 4
441		883
442	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
443		885
…		…
487	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
488		930
489	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
490	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
491		933
492	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
493	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.
494		936
495	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
496		938
497	=over 4	939	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
607		1049
608	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		1054
613	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
615		1057
616	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
621		1063
622	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
623	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
624		1066
625	} elsif (ref $type) {	1067	} elsif (ref $type) {
626	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
627		1069
628	} else {	1070	} else {
629	shift @arg;	1071	shift @arg;
630	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
631	}	1073	}
632	}	1074	}
633	}	1075	}
634		1076
635	sub _object_attach {	1077	sub _object_attach {
…		…
645	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
646	}	1088	}
647		1089
648	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
649	} else {	1091	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
651	}	1093	}
652		1094
653	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
654	}	1096	}
655		1097
…		…
657	if (ref $_[0]) {	1099	if (ref $_[0]) {
658	_object_attach @_;	1100	_object_attach @_;
659	} else {	1101	} else {
660	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
661	}	1103	}
		1104	_recalc_want;
662	};	1105	};
663		1106
664	# all those should be optimised	1107	# all those should be optimised
665	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
670	reattach ($obj);	1113	reattach ($obj);
671	} else {	1114	} else {
672	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
673	}	1116	}
		1117	_recalc_want;
674	};	1118	};
675		1119
676	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
678		1122
…		…
693	";	1137	";
694	die if $@;	1138	die if $@;
695	}	1139	}
696		1140
697	our $override;	1141	our $override;
698	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?
699		1143
700	sub override {	1144	sub override {
701	$override = 1;	1145	$override = 1;
702	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
703	}	1147	}
704		1148
705	sub do_invoke {	1149	sub do_invoke {
706	my $event = shift;	1150	my $event = shift;
707	my $callbacks = shift;	1151	my $callbacks = shift;
708		1152
709	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
710		1154
711	local $override;	1155	local $override;
712		1156
713	for (@$callbacks) {	1157	for (@$callbacks) {
714	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
715		1159
716	if ($@) {	1160	if ($@) {
717	warn "$@";
718	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
719	override;	1162	override;
720	}	1163	}
721		1164
722	return 1 if $override;	1165	return 1 if $override;
723	}	1166	}
724		1167
725	0	1168	0
726	}	1169	}
727		1170
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1172
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1174
732	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
733		1176
734	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
735	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
736	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1180
738	=back	1181	=back
739		1182
740	=cut	1183	=cut
741		1184
742	#############################################################################	1185	#############################################################################
743	# 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	}
744		1229
745	sub reattach {	1230	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1232	my ($obj) = @_;
748		1233
		1234	# no longer needed after getting rid of delete_package?
749	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
750		1236
751	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
752		1238
753	@$registry = ();	1239	@$registry = ();
754		1240
…		…
759	for (@$attach) {	1245	for (@$attach) {
760	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
761	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
762	}	1248	}
763	} else {	1249	} else {
764	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
765	}	1251	}
766	}	1252	}
767	}	1253	}
768		1254
769	cf::attachable->attach (	1255	cf::attachable->attach (
770	prio => -1000000,	1256	prio => -1000000,
771	on_instantiate => sub {	1257	on_instantiate => sub {
772	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
773		1259
774	$data = from_json $data;	1260	$data = decode_json $data;
775		1261
776	for (@$data) {	1262	for (@$data) {
777	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
778		1264
779	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1281	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
797		1283
798	sync_job {	1284	sync_job {
799	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
802		1290
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	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	}
807	close $fh;	1298	aio_close $fh;
808		1299
809	if (@$objs) {	1300	if (@$objs) {
810	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) {
811	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
814	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	}
815	close $fh;	1309	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
817	}	1311	}
818	} else {	1312	} else {
819	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
820	}	1314	}
821		1315
822	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
823	} else {	1320	} else {
824	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
825	}	1322	}
826	} else {	1323	} else {
827	aio_unlink $filename;	1324	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
829	}	1326	}
830	}	1327	};
831	}	1328	}
832		1329
833	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
835		1332
…		…
847	or return;	1344	or return;
848		1345
849	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
851	or return;	1348	or return;
		1349
852	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
853	}	1352	}
854		1353
		1354	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
857	return ($data, $av);	1359	($data, $av)
858	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
859		1367
860	#############################################################################	1368	#############################################################################
861	# command handling &c	1369	# command handling &c
862		1370
863	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1385	}
878		1386
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1388
881	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.
882		1394
883	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
884	called.	1396	called.
885		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
886	=cut	1409	=cut
887		1410
888	sub register_extcmd {	1411	sub register_extcmd {
889	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
890		1413
891	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
892	}	1415	}
893		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
894	cf::player->attach (	1425	cf::player->attach (
895	on_command => sub {	1426	on_unknown_command => sub {
896	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
897		1428
898	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
899	or return;	1430	or return;
900		1431
…		…
905	cf::override;	1436	cf::override;
906	},	1437	},
907	on_extcmd => sub {	1438	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
909		1440
910	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1442
912	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
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
918	} else {	1458	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1460	}
921		1461
922	cf::override;	1462	cf::override;
923	},	1463	},
924	);	1464	);
925		1465
		1466	# "readahead" all extensions
926	sub load_extension {	1467	sub cache_extensions {
927	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
928		1469
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
930	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
931	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}	1473	}
954	die $@;
955	}	1474	};
956		1475
957	push @EXTS, $pkg;	1476	$grp
958	}	1477	}
959		1478
960	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
961	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1486	next unless -r $path;
963	eval {	1487
964	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
965	1	1551	}
966	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
967	}	1564	};
968	}	1565	}
969		1566
970	#############################################################################	1567	#############################################################################
971		1568
		1569	=back
		1570
972	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
973		1572
974	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
975		1574
976	=cut	1575	=cut
977		1576
978	package cf::player;	1577	package cf::player;
979		1578
980	use Coro::AIO;	1579	use Coro::AIO;
981		1580
982	=head3 cf::player	1581	=head3 cf::player
983		1582
984	=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	}
985		1598
986	=item cf::player::find $login	1599	=item cf::player::find $login
987		1600
988	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
989		1602
…		…
1008		1621
1009	sub exists($) {	1622	sub exists($) {
1010	my ($login) = @_;	1623	my ($login) = @_;
1011		1624
1012	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1013	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1014	}	1627	}
1015		1628
1016	sub find($) {	1629	sub find($) {
1017	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1018	my $login = $_[0];	1631	my $login = $_[0];
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1642
1030	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1031	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;
1032	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1033	}	1652	}
1034	}	1653	}
1035	}	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	);
1036		1668
1037	sub save($) {	1669	sub save($) {
1038	my ($pl) = @_;	1670	my ($pl) = @_;
1039		1671
1040	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1045	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1046		1678
1047	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1049		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
1050	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1051	Coro::cede;	1688	cf::cede_to_tick;
1052	}	1689	}
1053		1690
1054	sub new($) {	1691	sub new($) {
1055	my ($login) = @_;	1692	my ($login) = @_;
1056		1693
…		…
1062	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1063		1700
1064	$self	1701	$self
1065	}	1702	}
1066		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
1067	=item $pl->quit_character	1714	=item $pl->quit_character
1068		1715
1069	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
1070	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1071		1718
…		…
1075	my ($pl) = @_;	1722	my ($pl) = @_;
1076		1723
1077	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1078		1725
1079	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1080	$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
1081		1728
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1083	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1085	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1086		1737
1087	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1089	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1124	or return [];	1775	or return [];
1125		1776
1126	my @logins;	1777	my @logins;
1127		1778
1128	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") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1132		1789
1133	utf8::decode $login;	1790	utf8::decode $login;
1134	push @logins, $login;	1791	push @logins, $login;
1135	}	1792	}
1136		1793
1137	\@logins	1794	\@logins
1138	}	1795	}
1139		1796
1140	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1141		1800
1142	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1143	player. May block.	1802	player. May block.
1144		1803
1145	=cut	1804	=cut
…		…
1163	}	1822	}
1164		1823
1165	\@paths	1824	\@paths
1166	}	1825	}
1167		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1168	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1169		1832
1170	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1171		1834
1172	=cut	1835	=cut
1173		1836
1174	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1176		1839
1177	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1841	}
1181		1842
1182	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1183		1844
1184	Sends an ext event to the client.	1845	Sends an ext event to the client.
1185		1846
1186	=cut	1847	=cut
1187		1848
1188	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1190		1851
1191	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1192	}	1853	}
1193		1854
1194	=head3 cf::region	1855	=head3 cf::region
1195		1856
1196	=over 4	1857	=over 4
…		…
1199		1860
1200	package cf::region;	1861	package cf::region;
1201		1862
1202	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1203		1864
1204	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.
1205		1866
1206	=cut	1867	=cut
1207		1868
1208	sub find_by_path($) {	1869	sub find_by_path($) {
1209	my ($path) = @_;	1870	my ($path) = @_;
1210		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1211	my ($match, $specificity);	1874	my ($match, $specificity);
1212		1875
1213	for my $region (list) {	1876	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1217	}	1880	}
1218	}	1881	}
1219		1882
…		…
1240	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1242		1905
1243	sub generate_random_map {	1906	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1245	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1246	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1250	$rmp->{exit_on_final_map},
1251	$rmp->{xsize}, $rmp->{ysize},
1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1254	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1255	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1257	(cf::region::find $rmp->{region}), $rmp->{custom}
1258	)
1259	}	1912	}
1260		1913
1261	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1262		1915
1263	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
…		…
1268		1921
1269	sub register {	1922	sub register {
1270	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1271	my $pkg = caller;	1924	my $pkg = caller;
1272		1925
1273	no strict;
1274	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1275		1927
1276	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1277	}	1929	}
1278		1930
1279	# also paths starting with '/'	1931	# also paths starting with '/'
1280	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1281		1933
1282	sub thawer_merge {	1934	sub thawer_merge {
1283	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1284		1936
1285	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1286	local $self->{path};	1938	local $self->{path};
1287	local $self->{load_path};	1939	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1940
1291	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1292	}	1942	}
1293		1943
1294	sub normalise {	1944	sub normalise {
1295	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1296		1946
1297	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1298		1948
1299	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1300		1950
1301	# map plan:	1951	# map plan:
1302	#	1952	#
…		…
1317	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1318	$path = "$base/$path";	1968	$path = "$base/$path";
1319	}	1969	}
1320		1970
1321	for ($path) {	1971	for ($path) {
1322	redo if s{//}{/};
1323	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1324	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1325	}	1974	}
1326		1975
1327	$path	1976	$path
…		…
1341	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1342	return $self;	1991	return $self;
1343	}	1992	}
1344	}	1993	}
1345		1994
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1347	()	1996	()
1348	}	1997	}
1349		1998
		1999	# may re-bless or do other evil things
1350	sub init {	2000	sub init {
1351	my ($self) = @_;	2001	my ($self) = @_;
1352		2002
1353	$self	2003	$self
1354	}	2004	}
…		…
1373		2023
1374	# the temporary/swap location	2024	# the temporary/swap location
1375	sub save_path {	2025	sub save_path {
1376	my ($self) = @_;	2026	my ($self) = @_;
1377		2027
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1380	}	2030	}
1381		2031
1382	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1383	sub uniq_path {	2033	sub uniq_path {
1384	my ($self) = @_;	2034	my ($self) = @_;
1385		2035
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1388	}	2038	}
1389		2039
1390	# and all this just because we cannot iterate over	2040	sub decay_objects {
1391	# all maps in C++...
1392	sub change_all_map_light {
1393	my ($change) = @_;	2041	my ($self) = @_;
1394		2042
1395	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1396	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1397	}	2046	}
1398		2047
1399	sub unlink_save {	2048	sub unlink_save {
1400	my ($self) = @_;	2049	my ($self) = @_;
1401		2050
…		…
1406		2055
1407	sub load_header_from($) {	2056	sub load_header_from($) {
1408	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1409		2058
1410	utf8::encode $path;	2059	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	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;
1416		2068
1417	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1418		2070
1419	1	2071	1
1420	}	2072	}
…		…
1459	$self->load_header_orig	2111	$self->load_header_orig
1460	or return;	2112	or return;
1461	$self->prepare_orig;	2113	$self->prepare_orig;
1462	}	2114	}
1463		2115
		2116	$self->{deny_reset} = 1
		2117	if $self->no_reset;
		2118
1464	$self->default_region (cf::region::find_by_path $self->{path})	2119	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2120	unless $self->default_region;
1466		2121
1467	1	2122	1
1468	}	2123	}
1469		2124
1470	sub find;	2125	sub find;
1471	sub find {	2126	sub find {
1472	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1473		2128
		2129	cf::cede_to_tick;
		2130
1474	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1475		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1477		2135
1478	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";
1480	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1481	or return;	2138	or return;
1482		2139
1483	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1484		2141
1485	$map->load_header	2142	$map->load_header
1486	or return;	2143	or return;
1487		2144
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1491	$map->reset;	2150	$map->reset;
1492	undef $guard;
1493	return find $path;	2151	return find $path;
1494	}	2152	}
1495		2153
1496	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1497	}	2155	}
1498	}	2156	}
1499		2157
1500	sub pre_load { }	2158	sub pre_load { }
1501	sub post_load { }	2159	#sub post_load { } # XS
1502		2160
1503	sub load {	2161	sub load {
1504	my ($self) = @_;	2162	my ($self) = @_;
1505		2163
1506	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1507		2165
1508	my $path = $self->{path};	2166	my $path = $self->{path};
1509		2167
1510	{	2168	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1512		2170
		2171	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2173
1515	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1516		2175
1517	$self->alloc;	2176	$self->alloc;
1518		2177
1519	$self->pre_load;	2178	$self->pre_load;
1520	Coro::cede;	2179	cf::cede_to_tick;
1521		2180
1522	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1523	or return;	2185	or return;
1524		2186
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1526	if delete $self->{load_original};	2188	if delete $self->{load_original};
1527		2189
1528	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2191	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2194	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1533	}	2199	}
1534	}
1535		2200
1536	Coro::cede;	2201	$f->resolve_delayed_derefs;
		2202	}
		2203
		2204	cf::cede_to_tick;
1537	# now do the right thing for maps	2205	# now do the right thing for maps
1538	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2208	unless $self->difficulty;
1541	Coro::cede;	2209	cf::cede_to_tick;
1542		2210
1543	unless ($self->{deny_activate}) {	2211	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2212	$self->decay_objects;
1545	$self->fix_auto_apply;	2213	$self->fix_auto_apply;
1546	$self->update_buttons;	2214	$self->update_buttons;
1547	Coro::cede;	2215	cf::cede_to_tick;
1548	$self->set_darkness_map;
1549	Coro::cede;
1550	$self->activate;	2216	$self->activate;
1551	}	2217	}
1552		2218
		2219	$self->{last_save} = $cf::RUNTIME;
		2220	$self->last_access ($cf::RUNTIME);
		2221
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2222	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2223	}
1555		2224
1556	$self->post_load;	2225	$self->post_load;
1557	}
1558		2226
		2227	1
		2228	}
		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1559	sub customise_for {	2233	sub customise_for {
1560	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1561		2235
1562	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2237	if $self->per_player;
1564		2238
		2239	# return find "?party/" . $ob->name . "/" . $self->{path}
		2240	# if $self->per_party;
		2241
1565	$self	2242	$self
1566	}	2243	}
1567		2244
1568	# find and load all maps in the 3x3 area around a map	2245	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2246	sub load_neighbours {
1570	my ($map) = @_;	2247	my ($map) = @_;
1571		2248
1572	my @diag; # diagonal neighbours	2249	my @neigh; # diagonal neighbours
1573		2250
1574	for (0 .. 3) {	2251	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2252	my $neigh = $map->tile_path ($_)
1576	or next;	2253	or next;
1577	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1578	or next;	2255	or next;
1579	$neigh->load;	2256	$neigh->load;
1580		2257
		2258	# now find the diagonal neighbours
		2259	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2262	}
1584		2263
1585	for (@diag) {	2264	for (grep defined $_->[0], @neigh) {
		2265	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2266	my $neigh = find $path, $origin
1587	or next;	2267	or next;
1588	$neigh->load;	2268	$neigh->load;
1589	}	2269	}
1590	}	2270	}
1591		2271
1592	sub find_sync {	2272	sub find_sync {
1593	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1594		2274
1595	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1596	}	2279	}
1597		2280
1598	sub do_load_sync {	2281	sub do_load_sync {
1599	my ($map) = @_;	2282	my ($map) = @_;
1600		2283
1601	cf::sync_job { $map->load };	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2285	if $Coro::current == $Coro::main;
		2286
		2287	$map->load;
1602	}	2288	}
1603		2289
1604	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1606		2292
1607	sub find_async {	2293	sub find_async {
1608	my ($path, $origin) = @_;	2294	my ($path, $origin, $load) = @_;
1609		2295
1610	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1611		2297
1612	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2300	}
1615		2301
1616	undef $MAP_PREFETCH{$path};	2302	$MAP_PREFETCH{$path} |= $load;
		2303
1617	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1618	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2309	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2310	$map->load if $v;
		2311	}
1623		2312
1624	delete $MAP_PREFETCH{$path};	2313	delete $MAP_PREFETCH{$k};
1625	}	2314	}
1626	}	2315	}
1627	undef $MAP_PREFETCHER;	2316	undef $MAP_PREFETCHER;
1628	};	2317	};
1629	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1630		2319
1631	()	2320	()
1632	}	2321	}
1633		2322
		2323	# common code, used by both ->save and ->swapout
1634	sub save {	2324	sub _save {
1635	my ($self) = @_;	2325	my ($self) = @_;
1636
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;
1638		2326
1639	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1640		2328
1641	return unless $self->dirty;	2329	return unless $self->dirty;
1642		2330
…		…
1648	return if $self->{deny_save};	2336	return if $self->{deny_save};
1649		2337
1650	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
1651		2339
1652	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
1654	};	2343	};
		2344
		2345	cf::get_slot 0.02;
1655		2346
1656	if ($uniq) {	2347	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2350	} else {
1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1661	}	2352	}
1662	}	2353	}
1663		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
1664	sub swap_out {	2363	sub swap_out {
1665	my ($self) = @_;	2364	my ($self) = @_;
1666		2365
1667	# save first because save cedes
1668	$self->save;
1669
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
1672	return if $self->players;	2370	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};
1675		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
1676	$self->clear;	2381	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2382	}
1679		2383
1680	sub reset_at {	2384	sub reset_at {
1681	my ($self) = @_;	2385	my ($self) = @_;
1682		2386
1683	# TODO: safety, remove and allow resettable per-player maps	2387	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2388	return 1e99 if $self->{deny_reset};
1686		2389
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2390	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2391	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2392
…		…
1700	my ($self) = @_;	2403	my ($self) = @_;
1701		2404
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2406
1704	return if $self->players;	2407	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2408
1707	warn "resetting map ", $self->path;#d#	2409	cf::trace "resetting map ", $self->path, "\n";
1708		2410
1709	$self->in_memory (cf::MAP_SWAPPED);	2411	$self->in_memory (cf::MAP_SWAPPED);
1710		2412
1711	# need to save uniques path	2413	# need to save uniques path
1712	unless ($self->{deny_save}) {	2414	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2418	if $uniq;
1717	}	2419	}
1718		2420
1719	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
1720		2422
		2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2425	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2426
1725	$self->unlink_save;	2427	$self->unlink_save;
1726	$self->destroy;	2428	$self->destroy;
1727	}	2429	}
1728		2430
1729	my $nuke_counter = "aaaa";	2431	my $nuke_counter = "aaaa";
1730		2432
1731	sub nuke {	2433	sub nuke {
1732	my ($self) = @_;	2434	my ($self) = @_;
1733		2435
		2436	{
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
1734	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
1735		2440
1736	$self->unlink_save;	2441	$self->unlink_save;
1737		2442
1738	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
1739	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2448
1744	$cf::MAP{$self->path} = $self;	2449	$cf::MAP{$self->path} = $self;
		2450	}
1745		2451
1746	$self->reset; # polite request, might not happen	2452	$self->reset; # polite request, might not happen
		2453	}
		2454
		2455	=item $maps = cf::map::tmp_maps
		2456
		2457	Returns an arrayref with all map paths of currently instantiated and saved
		2458	maps. May block.
		2459
		2460	=cut
		2461
		2462	sub tmp_maps() {
		2463	[
		2464	map {
		2465	utf8::decode $_;
		2466	/\.map$/
		2467	? normalise $_
		2468	: ()
		2469	} @{ aio_readdir $TMPDIR or [] }
		2470	]
		2471	}
		2472
		2473	=item $maps = cf::map::random_maps
		2474
		2475	Returns an arrayref with all map paths of currently instantiated and saved
		2476	random maps. May block.
		2477
		2478	=cut
		2479
		2480	sub random_maps() {
		2481	[
		2482	map {
		2483	utf8::decode $_;
		2484	/\.map$/
		2485	? normalise "?random/$_"
		2486	: ()
		2487	} @{ aio_readdir $RANDOMDIR or [] }
		2488	]
1747	}	2489	}
1748		2490
1749	=item cf::map::unique_maps	2491	=item cf::map::unique_maps
1750		2492
1751	Returns an arrayref of paths of all shared maps that have	2493	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2494	instantiated unique items. May block.
1753		2495
1754	=cut	2496	=cut
1755		2497
1756	sub unique_maps() {	2498	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2499	[
1758	or return;	2500	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2501	utf8::decode $_;
1764	next if /\.pst$/;	2502	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2504	? ()
1767	push @paths, cf::map::normalise $_;	2505	: normalise $_
		2506	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2507	]
1769
1770	\@paths
1771	}	2508	}
1772		2509
1773	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
1774		2541
1775	=back	2542	=back
1776		2543
1777	=head3 cf::object	2544	=head3 cf::object
1778		2545
…		…
1782		2549
1783	=over 4	2550	=over 4
1784		2551
1785	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
1786		2553
1787	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
1788		2556
1789	=cut	2557	=cut
1790		2558
1791	sub inv_recursive_;	2559	sub inv_recursive_;
1792	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
1795		2563
1796	sub inv_recursive {	2564	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
1798	}	2566	}
1799		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
1800	package cf;	2596	package cf;
1801		2597
1802	=back	2598	=back
1803		2599
1804	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2607	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
1813		2609
1814	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
1815		2625
1816	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2627	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
1821		2631
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2632	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2633
1824	if ($self->{record_replies}) {	2634	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2635	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2636
1826	} else {	2637	} else {
		2638	my $pl = $self->contr;
		2639
		2640	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2641	my $dialog = $pl->{npc_dialog};
		2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2643
		2644	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2647	}
1829	}	2648	}
		2649	}
		2650
		2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2652
		2653	=cut
		2654
		2655	sub cf::object::send_msg {
		2656	my $pl = shift->contr
		2657	or return;
		2658	$pl->send_msg (@_);
1830	}	2659	}
1831		2660
1832	=item $player_object->may ("access")	2661	=item $player_object->may ("access")
1833		2662
1834	Returns wether the given player is authorized to access resource "access"	2663	Returns wether the given player is authorized to access resource "access"
…		…
1847		2676
1848	=item $player_object->enter_link	2677	=item $player_object->enter_link
1849		2678
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2680
1852	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
1854		2685
1855	Will never block.	2686	Will never block.
1856		2687
1857	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
1858		2689
…		…
1878	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
1879	my ($self) = @_;	2710	my ($self) = @_;
1880		2711
1881	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
1882		2713
		2714	++$self->{_link_recursion};
		2715
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2717
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2719	if $self->map && $self->map->{path} ne "{link}";
1887		2720
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1889	}	2722	}
1890		2723
1891	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
		2726
		2727	return unless $self->contr->active;
1893		2728
1894	my $link_pos = delete $self->{_link_pos};	2729	my $link_pos = delete $self->{_link_pos};
1895		2730
1896	unless ($map) {	2731	unless ($map) {
1897	# restore original map position	2732	# restore original map position
…		…
1908	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
1909	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
1910		2745
1911	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
1914		2749
1915	$map->load;	2750	$map->load;
1916	$map->load_diag;	2751	$map->load_neighbours;
1917		2752
1918	return unless $self->contr->active;	2753	return unless $self->contr->active;
1919	$self->activate_recursive;
1920		2754
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
1923	}	2757	# entering was successful
1924		2758	delete $self->{_link_recursion};
1925	cf::player->attach (	2759	# only activate afterwards, to support waiting in hooks
1926	on_logout => sub {	2760	$self->activate_recursive;
1927	my ($pl) = @_;
1928
1929	# abort map switching before logout
1930	if ($pl->ob->{_link_pos}) {
1931	cf::sync_job {
1932	$pl->ob->leave_link
1933	};
1934	}
1935	},	2761	}
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2762
1939	# try to abort aborted map switching on player login :)	2763	}
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2764
1957	=item $player_object->goto ($path, $x, $y)	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1958		2766
		2767	Moves the player to the given map-path and coordinates by first freezing
		2768	her, loading and preparing them map, calling the provided $check callback
		2769	that has to return the map if sucecssful, and then unfreezes the player on
		2770	the new (success) or old (failed) map position. In either case, $done will
		2771	be called at the end of this process.
		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
		2775
1959	=cut	2776	=cut
		2777
		2778	our $GOTOGEN;
1960		2779
1961	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
		2788
		2789	# do generation counting so two concurrent goto's will be executed in-order
		2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2791
1964	$self->enter_link;	2792	$self->enter_link;
1965		2793
1966	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
1967	my $map = eval {	2816	my $map = eval {
1968	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
		2818
		2819	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2820	$map = $map->customise_for ($self);
		2821	$map = $check->($map, $x, $y, $self) if $check && $map;
		2822	} else {
		2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2824	}
		2825
1970	$map	2826	$map
		2827	};
		2828
		2829	if ($@) {
		2830	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2832	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2833
		2834	if ($gen == $self->{_goto_generation}) {
		2835	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
		2837	}
		2838
		2839	$done->($self) if $done;
1975	})->prio (1);	2840	})->prio (1);
1976	}	2841	}
1977		2842
1978	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
1979		2844
…		…
1999	}	2864	}
2000		2865
2001	sub prepare_random_map {	2866	sub prepare_random_map {
2002	my ($exit) = @_;	2867	my ($exit) = @_;
2003		2868
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2871	# that depends on the exit object
2009		2872
2010	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2875	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
2017	}	2882	}
2018		2883
2019	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
2020		2885
2021	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
2024		2889
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2892	undef $fh;
2028	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
2029		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
2032	}	2901	}
2033	}	2902	}
2034		2903
2035	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
2037		2906
2038	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
2039		2908
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2909	$self->enter_link;
2052		2910
2053	(async {	2911	(async {
2054	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
2055	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
2056	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
2057		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
2058	1;	2935	1
2059	}) {	2936	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
2064		2941
2065	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
2066	$self->leave_link;	2943	$self->leave_link;
2067	}	2944	}
2068	})->prio (1);	2945	})->prio (1);
2069	}	2946	}
2070		2947
…		…
2084		2961
2085	utf8::encode $text;	2962	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2964	}
2088		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
		2989	}
		2990
		2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2992
		2993	Send a drawinfo or msg packet to the client, formatting the msg for the
		2994	client if neccessary. C<$type> should be a string identifying the type of
		2995	the message, with C<log> being the default. If C<$color> is negative, suppress
		2996	the message unless the client supports the msg packet.
		2997
		2998	=cut
		2999
		3000	# non-persistent channels (usually the info channel)
		3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
		3008	"c/identify" => {
		3009	id => "infobox",
		3010	title => "Identify",
		3011	reply => undef,
		3012	tooltip => "Items recently identified",
		3013	},
		3014	"c/examine" => {
		3015	id => "infobox",
		3016	title => "Examine",
		3017	reply => undef,
		3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
		3112	);
		3113
		3114	sub cf::client::send_msg {
		3115	my ($self, $channel, $msg, $color, @extra) = @_;
		3116
		3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
		3119
		3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3121
		3122	# check predefined channels, for the benefit of C
		3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
		3129	} elsif (ref $channel) {
		3130	# send meta info to client, if not yet sent
		3131	unless (exists $self->{channel}{$channel->{id}}) {
		3132	$self->{channel}{$channel->{id}} = $channel;
		3133	$self->ext_msg (channel_info => $channel);
		3134	}
		3135
		3136	$channel = $channel->{id};
		3137	}
		3138
		3139	return unless @extra || length $msg;
		3140
		3141	# default colour, mask it out
		3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3143	if $color & cf::NDI_DEF;
		3144
		3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
		3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3148	);
		3149
		3150	$self->send_big_packet ($pkt);
		3151	}
		3152
2089	=item $client->ext_event ($type, %msg)	3153	=item $client->ext_msg ($type, @msg)
2090		3154
2091	Sends an exti event to the client.	3155	Sends an ext event to the client.
2092		3156
2093	=cut	3157	=cut
2094		3158
2095	sub cf::client::ext_event($$%) {	3159	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	3160	my ($self, $type, @msg) = @_;
2097		3161
		3162	if ($self->extcmd == 2) {
		3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3164	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	3165	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3167	}
		3168	}
		3169
		3170	=item $client->ext_reply ($msgid, @msg)
		3171
		3172	Sends an ext reply to the client.
		3173
		3174	=cut
		3175
		3176	sub cf::client::ext_reply($$@) {
		3177	my ($self, $id, @msg) = @_;
		3178
		3179	if ($self->extcmd == 2) {
		3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3181	} elsif ($self->extcmd == 1) {
		3182	#TODO: version 1, remove
		3183	unshift @msg, msgtype => "reply", msgid => $id;
		3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3185	}
2100	}	3186	}
2101		3187
2102	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2103		3189
2104	Queues a query to the client, calling the given callback with	3190	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3191	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3192	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		3193
2108	Queries can fail, so check the return code. Or don't, as queries will become	3194	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	3195	become reliable at some point in the future.
2110		3196
2111	=cut	3197	=cut
2112		3198
2113	sub cf::client::query {	3199	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	3200	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	3208	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3209	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		3210
2125	$self->send_packet ($self->{query_queue}[0][0])	3211	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	3212	if @{ $self->{query_queue} } == 1;
		3213
		3214	1
2127	}	3215	}
2128		3216
2129	cf::client->attach (	3217	cf::client->attach (
		3218	on_connect => sub {
		3219	my ($ns) = @_;
		3220
		3221	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3222	},
2130	on_reply => sub {	3223	on_reply => sub {
2131	my ($ns, $msg) = @_;	3224	my ($ns, $msg) = @_;
2132		3225
2133	# this weird shuffling is so that direct followup queries	3226	# this weird shuffling is so that direct followup queries
2134	# get handled first	3227	# get handled first
…		…
2146	} else {	3239	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3240	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	3241	}
2149	}	3242	}
2150	},	3243	},
		3244	on_exticmd => sub {
		3245	my ($ns, $buf) = @_;
		3246
		3247	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3248
		3249	if (ref $msg) {
		3250	my ($type, $reply, @payload) =
		3251	"ARRAY" eq ref $msg
		3252	? @$msg
		3253	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3254
		3255	my @reply;
		3256
		3257	if (my $cb = $EXTICMD{$type}) {
		3258	@reply = $cb->($ns, @payload);
		3259	}
		3260
		3261	$ns->ext_reply ($reply, @reply)
		3262	if $reply;
		3263
		3264	} else {
		3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3266	}
		3267
		3268	cf::override;
		3269	},
2151	);	3270	);
2152		3271
2153	=item $client->async (\&cb)	3272	=item $client->async (\&cb)
2154		3273
2155	Create a new coroutine, running the specified callback. The coroutine will	3274	Create a new coroutine, running the specified callback. The coroutine will
…		…
2171		3290
2172	$coro	3291	$coro
2173	}	3292	}
2174		3293
2175	cf::client->attach (	3294	cf::client->attach (
2176	on_destroy => sub {	3295	on_client_destroy => sub {
2177	my ($ns) = @_;	3296	my ($ns) = @_;
2178		3297
2179	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2180	},	3299	},
2181	);	3300	);
…		…
2196	our $safe = new Safe "safe";	3315	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2198		3317
2199	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2200		3319
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3320	$safe->permit_only (Opcode::opset qw(
		3321	:base_core :base_mem :base_orig :base_math :base_loop
		3322	grepstart grepwhile mapstart mapwhile
		3323	sort time
		3324	));
2202		3325
2203	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
2204		3327
2205	=pod	3328	=pod
2206		3329
2207	The following functions and methods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2208		3331
2209	cf::object contr pay_amount pay_player map	3332	cf::object
		3333	contr pay_amount pay_player map x y force_find force_add destroy
		3334	insert remove name archname title slaying race decrease split
		3335	value
		3336
2210	cf::object::player player	3337	cf::object::player
2211	cf::player peaceful	3338	player
2212	cf::map trigger	3339
		3340	cf::player
		3341	peaceful
		3342
		3343	cf::map
		3344	trigger
2213		3345
2214	=cut	3346	=cut
2215		3347
2216	for (	3348	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3350	insert remove inv nrof name archname title slaying race
		3351	decrease split destroy change_exp value msg lore send_msg)],
2218	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2220	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2221	) {	3355	) {
2222	no strict 'refs';
2223	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2224	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2225	for @funs;	3358	for @funs;
2226	}	3359	}
2227		3360
…		…
2242		3375
2243	my $qcode = $code;	3376	my $qcode = $code;
2244	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2245	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2246		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2247	local $_;	3383	local $_;
2248	local @safe::cf::_safe_eval_args = values %vars;
2249		3384
2250	my $eval =	3385	my $eval =
2251	"do {\n"	3386	"do {\n"
2252	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2253	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2254	. $code	3389	. $code
2255	. "\n}"	3390	. "\n}"
2256	;	3391	;
2257		3392
		3393	if ($CFG{safe_eval}) {
2258	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2259	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2260	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2261		3402
2262	if ($@) {	3403	if ($@) {
2263	warn "$@";	3404	warn "$@",
2264	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2265	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2266	}	3407	}
2267		3408
2268	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2269	}	3410	}
2270		3411
…		…
2284	=cut	3425	=cut
2285		3426
2286	sub register_script_function {	3427	sub register_script_function {
2287	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2288		3429
2289	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2290	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2291	}	3432	}
2292		3433
2293	=back	3434	=back
2294		3435
2295	=cut	3436	=cut
2296
2297	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470		3437
2471	#############################################################################	3438	#############################################################################
2472	# the server's init and main functions	3439	# the server's init and main functions
2473		3440
2474	sub load_facedata($) {	3441	sub load_facedata($) {
2475	my ($path) = @_;	3442	my ($path) = @_;
2476		3443
		3444	# HACK to clear player env face cache, we need some signal framework
		3445	# for this (global event?)
		3446	%ext::player_env::MUSIC_FACE_CACHE = ();
		3447
		3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3449
2477	warn "loading facedata from $path\n";	3450	trace "loading facedata from $path\n";
2478		3451
2479	my $facedata;	3452	my $facedata = decode_storable load_file $path;
2480	0 < aio_load $path, $facedata
2481	or die "$path: $!";
2482
2483	$facedata = Coro::Storable::thaw $facedata;
2484		3453
2485	$facedata->{version} == 2	3454	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3456
		3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3459	$facedata->{resource}{"res/exp_table"} = {
		3460	type => FT_RSRC,
		3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
		3463	};
		3464	cf::cede_to_tick;
		3465
2488	{	3466	{
2489	my $faces = $facedata->{faceinfo};	3467	my $faces = $facedata->{faceinfo};
2490		3468
2491	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3472	cf::face::set_visibility $idx, $info->{visibility};
		3473	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2496	Coro::cede;	3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3477
		3478	cf::cede_to_tick;
2497	}	3479	}
2498		3480
2499	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
2501	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
2502	or next;	3485	or next;
		3486
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3487	if (my $smooth = cf::face::find $info->{smooth}) {
		3488	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3490	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3491	error "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3492	}
2508	Coro::cede;	3493
		3494	cf::cede_to_tick;
2509	}	3495	}
2510	}	3496	}
2511		3497
2512	{	3498	{
2513	my $anims = $facedata->{animinfo};	3499	my $anims = $facedata->{animinfo};
2514		3500
2515	while (my ($anim, $info) = each %$anims) {	3501	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3502	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3503	cf::cede_to_tick;
2518	}	3504	}
2519		3505
2520	cf::anim::invalidate_all; # d'oh	3506	cf::anim::invalidate_all; # d'oh
2521	}	3507	}
2522		3508
		3509	{
		3510	my $res = $facedata->{resource};
		3511
		3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
		3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3515
		3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3517	cf::face::set_type $idx, $info->{type};
		3518	} else {
		3519	$RESOURCE{$name} = $info; # unused
		3520	}
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3527
2523	1	3528	1
2524	}	3529	}
2525		3530
		3531	register_exticmd fx_want => sub {
		3532	my ($ns, $want) = @_;
		3533
		3534	while (my ($k, $v) = each %$want) {
		3535	$ns->fx_want ($k, $v);
		3536	}
		3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
		3548
2526	sub reload_regions {	3549	sub reload_regions {
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
2527	load_resource_file "$MAPDIR/regions"	3554	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3555	or die "unable to load regions file\n";
		3556
		3557	for (cf::region::list) {
		3558	$_->{match} = qr/$_->{match}/
		3559	if exists $_->{match};
		3560	}
2529	}	3561	}
2530		3562
2531	sub reload_facedata {	3563	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3564	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3565	or die "unable to load facedata\n";
…		…
2541	sub reload_treasures {	3573	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3574	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3575	or die "unable to load treasurelists\n";
2544	}	3576	}
2545		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
2546	sub reload_resources {	3598	sub reload_resources {
2547	warn "reloading resource files...\n";	3599	trace "reloading resource files...\n";
2548		3600
		3601	reload_exp_table;
		3602	reload_materials;
		3603	reload_facedata;
		3604	reload_sound;
		3605	reload_archetypes;
2549	reload_regions;	3606	reload_regions;
2550	reload_facedata;
2551	reload_archetypes;
2552	reload_treasures;	3607	reload_treasures;
2553		3608
2554	warn "finished reloading resource files\n";	3609	trace "finished reloading resource files\n";
2555	}	3610	}
2556		3611
2557	sub init {	3612	sub reload_config {
2558	reload_resources;	3613	trace "reloading config file...\n";
2559	}
2560		3614
2561	sub cfg_load {	3615	my $config = load_file "$CONFDIR/config";
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3616	utf8::decode $config;
2563	or return;	3617	*CFG = decode_yaml $config;
2564		3618
2565	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;
2567
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2569		3620
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2572		3623
2573	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
2577	};	3628	};
2578	warn $@ if $@;	3629	warn $@ if $@;
2579	}	3630	}
2580	}	3631	}
2581		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
2582	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
2583	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3674	(async {
2587	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
2589	};	3678	};
2590		3679
2591	cfg_load;	3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
		3692	reload_config;
2592	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
2593	load_extensions;	3703	load_extensions;
2594		3704
2595	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
2596	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
2597	}	3723	}
2598		3724
2599	#############################################################################	3725	#############################################################################
2600	# initialisation and cleanup	3726	# initialisation and cleanup
2601		3727
2602	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
2603	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
2612	},
2613	);	3734	};
		3735	}
		3736	}
		3737
		3738	sub write_runtime_sync {
		3739	my $t0 = AE::time;
		3740
		3741	# first touch the runtime file to show we are still running:
		3742	# the fsync below can take a very very long time.
		3743
		3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3745
		3746	my $guard = cf::lock_acquire "write_runtime";
		3747
		3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3749	or return;
		3750
		3751	my $value = $cf::RUNTIME + 90 + 10;
		3752	# 10 is the runtime save interval, for a monotonic clock
		3753	# 60 allows for the watchdog to kill the server.
		3754
		3755	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3756	and return;
		3757
		3758	# always fsync - this file is important
		3759	aio_fsync $fh
		3760	and return;
		3761
		3762	# touch it again to show we are up-to-date
		3763	aio_utime $fh, undef, undef;
		3764
		3765	close $fh
		3766	or return;
		3767
		3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3769	and return;
		3770
		3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3772
2614	}	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
2615	}	3824	}
2616		3825
2617	sub emergency_save() {	3826	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
2619		3828
2620	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
2621		3835
2622	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
2623	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
2624	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
2625	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
2627	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3847	$pl->save;
2631	}	3848	}
2632	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
2633		3850
2634	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
2635	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
2636	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
2637	$map->valid or next;	3856	$map->valid or next;
2638	$map->save;	3857	$map->save;
2639	}	3858	}
2640	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
2641		3860
2642	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
2645	};	3889	};
2646		3890
2647	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
2648	}	3892	}
2649		3893
2650	sub post_cleanup {	3894	sub post_cleanup {
2651	my ($make_core) = @_;	3895	my ($make_core) = @_;
2652		3896
		3897	IO::AIO::flush;
		3898
2653	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3900	if $make_core;
		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
2655	}	3929	}
2656		3930
2657	sub do_reload_perl() {	3931	sub do_reload_perl() {
2658	# can/must only be called in main	3932	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
2660	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
2661	return;	3935	return;
2662	}	3936	}
2663		3937
2664	warn "reloading...";	3938	return if $RELOAD++;
2665		3939
2666	warn "entering sync_job";	3940	my $t1 = AE::time;
2667		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
2668	cf::sync_job {	3948	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark
2670	cf::emergency_save;	3949	#cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark
2672		3950
2673	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;
2675
2676	# if anything goes wrong in here, we should simply crash as we already saved
2677
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;
2689	warn "iterate...";
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();	3953	%EXT_CORO = ();
2697		3954
2698	warn "removing commands";	3955	trace "perl_reload: removing commands";
2699	%COMMAND = ();	3956	%COMMAND = ();
2700		3957
2701	warn "removing ext commands";	3958	trace "perl_reload: removing ext/exti commands";
2702	%EXTCMD = ();	3959	%EXTCMD = ();
		3960	%EXTICMD = ();
2703		3961
2704	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
2707		3965
2708	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
2709	eval {	3967	eval {
2710	$cb->($pkg);	3968	$cb->($pkg);
2711	1	3969	1
2712	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
2713	}	3975	}
2714		3976
2715	warn "... nuking $pkg";
2716	Symbol::delete_package $pkg;
2717	}
2718
2719	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2720	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3980
2723	warn "... unloading $k";	3981	trace "... unloading $k";
2724	delete $INC{$k};	3982	delete $INC{$k};
2725		3983
2726	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
2728		3986
2729	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
2730	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
2731	}	3992	}
2732		3993
2733	Symbol::delete_package $k;
2734	}
2735
2736	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		3997
2740	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2743		4001
2744	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
2745	# and global variables created in xs	4003	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
2747		4005
2748	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
2749		4007
2750	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
2751	require cf;	4009	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
2753		4011
2754	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
2755	cf::cfg_load;	4013	cf::reload_config;
2756		4014
2757	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
2758	cf::load_extensions;	4016	cf::load_extensions;
2759		4017
		4018	if ($REATTACH_ON_RELOAD) {
2760	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
2763	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
2766		4026
2767	warn "leaving sync_job";	4027	cf::_post_init 1;
2768		4028
		4029	trace "perl_reload: leaving sync_job";
		4030
2769	1	4031	1
2770	} or do {	4032	} or do {
2771	warn $@;	4033	error $@;
2772	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
2773	exit 1;	4035	};
		4036
		4037	--$RELOAD;
2774	};	4038	}
2775		4039
2776	warn "reloaded";	4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
2777	};	4042	};
2778		4043
2779	our $RELOAD_WATCHER; # used only during reload	4044	our $RELOAD_WATCHER; # used only during reload
2780		4045
2781	sub reload_perl() {	4046	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	4047	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	4048	# coro crashes during coro_state_free->destroy here.
2784		4049
2785	$RELOAD_WATCHER ||= Event->timer (	4050	$RELOAD_WATCHER ||= cf::async {
2786	reentrant => 0,	4051	Coro::AIO::aio_wait cache_extensions;
2787	after => 0,	4052
2788	data => WF_AUTOCANCEL,	4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2789	cb => sub {
2790	do_reload_perl;	4054	do_reload_perl;
2791	undef $RELOAD_WATCHER;	4055	undef $RELOAD_WATCHER;
2792	},	4056	};
2793	);	4057	};
2794	}	4058	}
2795		4059
2796	register_command "reload" => sub {	4060	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
2798		4062
2799	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
		4065	async {
		4066	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	4067	reload_perl;
		4068	};
2802	}	4069	}
2803	};	4070	};
2804		4071
2805	unshift @INC, $LIBDIR;	4072	#############################################################################
2806		4073
2807	my $bug_warning = 0;	4074	my $bug_warning = 0;
2808		4075
2809	our @WAIT_FOR_TICK;	4076	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	4077	our @WAIT_FOR_TICK_BEGIN;
2811		4078
2812	sub wait_for_tick {	4079	sub wait_for_tick() {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2815		4081
2816	my $signal = new Coro::Signal;	4082	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	4083	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	4084	$signal->wait;
2819	}	4085	}
2820		4086
2821	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2824		4089
2825	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	4092	$signal->wait;
2828	}	4093	}
2829		4094
2830	$TICK_WATCHER = Event->timer (	4095	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2840	return;	4099	return;
2841	}	4100	}
2842		4101
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
2846		4103
2847	$RUNTIME += $TICK;	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2848	$NEXT_TICK += $TICK;
2849		4105
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	4110	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
2855	};
2856	}	4112	};
		4113	}
2857		4114
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	4116	$sig->send;
2869	}	4117	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	4118	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	4119	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	4120	}
2876	);	4121
		4122	$LOAD = ($NOW - $TICK_START) / $TICK;
		4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4124
		4125	if (0) {
		4126	if ($NEXT_TICK) {
		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
		4131	}
		4132	}
2877		4133
2878	{	4134	{
2879	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	4136
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
2889		4138	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	4139	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		4140
2905	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		4148
2908	cf::sync_job {	4149	cf::sync_job {
2909	eval {	4150	eval {
2910	BDB::db_env_open	4151	BDB::db_env_open
2911	$DB_ENV,	4152	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	4156	0666;
2916		4157
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	4159	};
2922		4160
2923	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	4162	};
2925	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
2926	}	4174	}
2927		4175
2928	{	4176	{
		4177	# configure IO::AIO
		4178
2929	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	4182	}
2942		4183
2943	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
2944		4186
2945	sub _log_backtrace {	4187	sub _log_backtrace {
2946	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
2947		4189
2948	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
2949		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2950	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
2952	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
2953	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
2954	my @bt = fork_call {	4203	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
2966	}	4215	}
2967		4216
2968	@funcs	4217	@funcs
2969	};	4218	};
2970		4219
2971	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	4223	--$_log_backtrace;
2974	};	4224	};
2975	} else {	4225	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
2977	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2978	}	4228	}
2979	}	4229	}
2980		4230
2981	# load additional modules	4231	# load additional modules
2982	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
2983		4234
2984	END { cf::emergency_save }	4235	END { cf::emergency_save }
2985		4236
2986	1	4237	1
2987		4238

Diff Legend

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