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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.303 by root, Wed Jul 11 15:57:31 2007 UTC vs.
Revision 1.566 by root, Sun May 1 16:58:16 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	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;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		120
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	123	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		132
86	our %CFG;	133	our %CFG;
87		134
88	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
90		138
91	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
94		142
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		145
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
101		155
102	binmode STDOUT;	156	binmode STDOUT;
103	binmode STDERR;	157	binmode STDERR;
104		158
105	# read virtual server time, if available	159	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
110	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
111		167
112	mkdir $_	168	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		170
115	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
116		172
117	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::"} };
118		189
119	#############################################################################	190	#############################################################################
120		191
121	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
122		193
…		…
158		229
159	The raw value load value from the last tick.	230	The raw value load value from the last tick.
160		231
161	=item %cf::CFG	232	=item %cf::CFG
162		233
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	235	from wherever your confdir points to.
165		236
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		238
168	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
169	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
170	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.
171		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
172	=back	260	=back
173		261
174	=cut	262	=cut
175		263
176	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
177	*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 {
178	my $msg = join "", @_;	271	my $msg = join "", @_;
179		272
180	$msg .= "\n"	273	$msg .= "\n"
181	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
182		275
183	$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;
184		277
185	utf8::encode $msg;
186	LOG llevError, $msg;	278	LOG llevWarn, $msg;
187	};	279	};
188	}	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	};
189		294
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	305	for my $pkg (qw(
201	cf::global cf::attachable	306	cf::global cf::attachable
202	cf::object cf::object::player	307	cf::object cf::object::player
203	cf::client cf::player	308	cf::client cf::player
204	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
205	cf::map cf::party cf::region	311	cf::party cf::region
206	)) {	312	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	314	}
210		315
211	$Event::DIED = sub {	316	$EV::DIED = sub {
212	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
213	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
214		324
215	#############################################################################	325	#############################################################################
216		326
217	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
218		328
…		…
239	$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;
240	$d	350	$d
241	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
242	}	352	}
243		353
		354	=item $scalar = load_file $path
		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
244	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
245		369
246	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
247		371
248	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
249		373
250	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
251		375
252	=cut	376	=cut
253		377
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		379
256	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[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	}
258		444
259	=item cf::lock_wait $string	445	=item cf::lock_wait $string
260		446
261	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
262		448
263	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
264		450
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
268	returned.	454	returned.
269		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
270	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
271	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
272		461
273	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
274		463
275	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.
276		465
277	=cut	466	=cut
278		467
279	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
280		469
281	sub lock_wait($) {	470	sub lock_wait($) {
282	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	472	}
290		473
291	sub lock_acquire($) {	474	sub lock_acquire($) {
292	my ($key) = @_;	475	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	476	}
304		477
305	sub lock_active($) {	478	sub lock_active($) {
306	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	480	}
310		481
311	sub freeze_mainloop {	482	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
313		484
314	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
315	$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	}
316	};	556	}
317	$TICK_WATCHER->stop;	557	};
318	$guard	558
		559	sub get_slot($;$$) {
		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;
319	}	572	}
320		573
321	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
322		575
323	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		581
329	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
330		583
331	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
332		585
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	589	acceptable.
337		590
338	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
339	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
…		…
343	=cut	596	=cut
344		597
345	sub sync_job(&) {	598	sub sync_job(&) {
346	my ($job) = @_;	599	my ($job) = @_;
347		600
348	if ($Coro::current == $Coro::main) {	601	if (in_main) {
349	my $time = Event::time;	602	my $time = AE::time;
350		603
351	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
353		606
354	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	608
356	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
357		610
358	my $busy = 1;	611	my $busy = 1;
359	my @res;	612	my @res;
360		613
361	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	616	@res = eval { $job->() };
363	warn $@ if $@;	617	error $@ if $@;
364	undef $busy;	618	undef $busy;
365	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
366		620
367	while ($busy) {	621	while ($busy) {
368	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
369	}	626	}
		627	}
370		628
371	$time = Event::time - $time;	629	my $time = AE::time - $time;
372		630
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
377		632
378	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
379	} else {	634	} else {
380	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
381		636
…		…
401	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
402		657
403	$coro	658	$coro
404	}	659	}
405		660
406	=item fork_call { }, $args	661	=item fork_call { }, @args
407		662
408	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
412		667
413	=cut	668	=cut
414		669
415	sub _store_scalar {	670	sub post_fork {
416	open my $fh, ">", \my $buf	671	reset_signals;
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}	672	}
423		673
424	sub fork_call(&@) {	674	sub fork_call(&@) {
425	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
426		676
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	677	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	678	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	679	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		680
432	if (my $pid = fork) {	681	my @res = Coro::Util::fork_eval {
433	close $fh2;	682	cf::post_fork;
		683	&$cb
		684	} @args;
434		685
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	686	wantarray ? @res : $res[-1]
436	warn "pst<$res>" unless $res =~ /^pst/;	687	}
437	$res = Coro::Storable::thaw $res;
438		688
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	689	sub objinfo {
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;
446	local $SIG{__WARN__};
447	local $SIG{__DIE__};
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453
454	eval {
455	close $fh1;
456
457	my @res = eval { $cb->(@args) };
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	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
466	}	725	}
467		726
468	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
469		728
470	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
473		732
474	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
477	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
478		762
479	our $DB;	763	our $DB;
480		764
481	sub db_init {	765	sub db_init {
482	unless ($DB) {	766	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}
496	}	767	}
497		768
498	sub db_get($$) {	769	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
500		771
501	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
502	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
503		776
504	$! ? ()	777	$! ? ()
505	: $data	778	: $data
506	}
507	}	779	}
508		780
509	sub db_put($$$) {	781	sub db_put($$$) {
510	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
539		811
540	my @data;	812	my @data;
541	my $md5;	813	my $md5;
542		814
543	for (0 .. $#$src) {	815	for (0 .. $#$src) {
544	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
545	or Carp::croak "$src->[$_]: $!";
546	}	817	}
547		818
548	# if processing is expensive, check	819	# if processing is expensive, check
549	# checksum first	820	# checksum first
550	if (1) {	821	if (1) {
551	$md5 =	822	$md5 =
552	join "\x00",	823	join "\x00",
553	$processversion,	824	$processversion,
554	map {	825	map {
555	Coro::cede;	826	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	828	} 0.. $#$src;
558		829
559		830
560	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		838
568	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	840	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
571		842
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		844
574	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
577		848
…		…
587		858
588	=cut	859	=cut
589		860
590	sub datalog($@) {	861	sub datalog($@) {
591	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	864	}
594		865
595	=back	866	=back
596		867
597	=cut	868	=cut
598		869
599	#############################################################################	870	#############################################################################
600		871
601	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
602		873
603	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
604	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")
605	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
606		877
607	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>
608	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
609	Crossfire TRT).	880	Deliantra).
610		881
611	=over 4	882	=over 4
612		883
613	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
614		885
…		…
658	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
659		930
660	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
662		933
663	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
664	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.
665		936
666	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
667		938
668	=over 4	939	=over 4
…		…
792		1063
793	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		1066
796	} elsif (ref $type) {	1067	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
798		1069
799	} else {	1070	} else {
800	shift @arg;	1071	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
802	}	1073	}
803	}	1074	}
804	}	1075	}
805		1076
806	sub _object_attach {	1077	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
817	}	1088	}
818		1089
819	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
820	} else {	1091	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1093	}
823		1094
824	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
825	}	1096	}
826		1097
…		…
866	";	1137	";
867	die if $@;	1138	die if $@;
868	}	1139	}
869		1140
870	our $override;	1141	our $override;
871	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?
872		1143
873	sub override {	1144	sub override {
874	$override = 1;	1145	$override = 1;
875	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
876	}	1147	}
877		1148
878	sub do_invoke {	1149	sub do_invoke {
879	my $event = shift;	1150	my $event = shift;
880	my $callbacks = shift;	1151	my $callbacks = shift;
881		1152
882	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
883		1154
884	local $override;	1155	local $override;
885		1156
886	for (@$callbacks) {	1157	for (@$callbacks) {
887	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
888		1159
889	if ($@) {	1160	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1162	override;
893	}	1163	}
894		1164
895	return 1 if $override;	1165	return 1 if $override;
896	}	1166	}
897		1167
898	0	1168	0
899	}	1169	}
900		1170
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1172
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1174
905	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
906		1176
907	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
908	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
909	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1180
911	=back	1181	=back
912		1182
913	=cut	1183	=cut
914		1184
915	#############################################################################	1185	#############################################################################
916	# 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, $ob2
		1228	}
917		1229
918	sub reattach {	1230	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1232	my ($obj) = @_;
921		1233
		1234	# no longer needed after getting rid of delete_package?
922	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
923		1236
924	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
925		1238
926	@$registry = ();	1239	@$registry = ();
927		1240
…		…
932	for (@$attach) {	1245	for (@$attach) {
933	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
935	}	1248	}
936	} else {	1249	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1251	}
939	}	1252	}
940	}	1253	}
941		1254
942	cf::attachable->attach (	1255	cf::attachable->attach (
943	prio => -1000000,	1256	prio => -1000000,
944	on_instantiate => sub {	1257	on_instantiate => sub {
945	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
946		1259
947	$data = from_json $data;	1260	$data = decode_json $data;
948		1261
949	for (@$data) {	1262	for (@$data) {
950	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
951		1264
952	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1281	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
970		1283
971	sync_job {	1284	sync_job {
972	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
975		1290
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	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	}
980	close $fh;	1298	aio_close $fh;
981		1299
982	if (@$objs) {	1300	if (@$objs) {
983	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) {
984	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
987	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	}
988	close $fh;	1309	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
990	}	1311	}
991	} else {	1312	} else {
992	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
993	}	1314	}
994		1315
995	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1320	} else {
997	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
998	}	1322	}
999	} else {	1323	} else {
1000	aio_unlink $filename;	1324	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1002	}	1326	}
1003	}	1327	};
1004	}	1328	}
1005		1329
1006	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1008		1332
…		…
1020	or return;	1344	or return;
1021		1345
1022	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1348	or return;
		1349
1025	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1026	}	1352	}
1027		1353
		1354	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1030	return ($data, $av);	1359	($data, $av)
1031	}	1360	}
1032		1361
1033	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1034		1363
1035	=over 4	1364	=over 4
…		…
1089	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1090		1419
1091	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1092	}	1421	}
1093		1422
		1423	use File::Glob ();
		1424
1094	cf::player->attach (	1425	cf::player->attach (
1095	on_command => sub {	1426	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1097		1428
1098	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1099	or return;	1430	or return;
1100		1431
…		…
1108	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
1109		1440
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1442
1112	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
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1118	} else {	1458	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1460	}
1121		1461
1122	cf::override;	1462	cf::override;
1123	},	1463	},
1124	);	1464	);
1125		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1126	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1127	cf::sync_job {	1482	cf::sync_job {
1128	my %todo;	1483	my %todo;
1129		1484
1130	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1486	next unless -r $path;
…		…
1149		1504
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1507
1153	$ext{source} =	1508	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1156	. $source	1511	. $source
1157	. "\n};\n1";	1512	. "\n};\n1";
1158		1513
1159	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1160	}	1515	}
1161		1516
		1517	my $pass = 0;
1162	my %done;	1518	my %done;
1163	while (%todo) {	1519	while (%todo) {
1164	my $progress;	1520	my $progress;
1165		1521
		1522	++$pass;
		1523
		1524	ext:
1166	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1527	next ext
1169	unless exists $done{$_};	1528	unless exists $done{$_};
1170	}	1529	}
1171		1530
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1532
1174	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1179	warn $msg;	1540
1180	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1542	delete $todo{$k};
1182	}	1543	} else {
1183		1544	$done{$k} = delete $todo{$k};
1184	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1185	}	1550	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1551	}
1191		1552
1192	skip:	1553	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1195	}	1563	}
1196	};	1564	};
1197	}	1565	}
1198		1566
1199	#############################################################################	1567	#############################################################################
1200		1568
1201	=back	1569	=back
1202		1570
1203	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1204		1572
1205	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1206		1574
1207	=cut	1575	=cut
1208		1576
1209	package cf::player;	1577	package cf::player;
1210		1578
1211	use Coro::AIO;	1579	use Coro::AIO;
1212		1580
1213	=head3 cf::player	1581	=head3 cf::player
1214		1582
1215	=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	}
1216		1598
1217	=item cf::player::find $login	1599	=item cf::player::find $login
1218		1600
1219	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1220		1602
…		…
1239		1621
1240	sub exists($) {	1622	sub exists($) {
1241	my ($login) = @_;	1623	my ($login) = @_;
1242		1624
1243	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1245	}	1627	}
1246		1628
1247	sub find($) {	1629	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1631	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1642
1261	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1262	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;
1263	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1264	}	1652	}
1265	}	1653	}
1266	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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	);
1267		1668
1268	sub save($) {	1669	sub save($) {
1269	my ($pl) = @_;	1670	my ($pl) = @_;
1270		1671
1271	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1277		1678
1278	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1280		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
1281	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1282	Coro::cede;	1688	cf::cede_to_tick;
1283	}	1689	}
1284		1690
1285	sub new($) {	1691	sub new($) {
1286	my ($login) = @_;	1692	my ($login) = @_;
1287		1693
…		…
1293	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1294		1700
1295	$self	1701	$self
1296	}	1702	}
1297		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
1298	=item $pl->quit_character	1714	=item $pl->quit_character
1299		1715
1300	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1302		1718
…		…
1306	my ($pl) = @_;	1722	my ($pl) = @_;
1307		1723
1308	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1309		1725
1310	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1311	$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
1312		1728
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1314	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1316	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1317		1737
1318	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1320	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1355	or return [];	1775	or return [];
1356		1776
1357	my @logins;	1777	my @logins;
1358		1778
1359	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") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1363		1789
1364	utf8::decode $login;	1790	utf8::decode $login;
1365	push @logins, $login;	1791	push @logins, $login;
1366	}	1792	}
1367		1793
1368	\@logins	1794	\@logins
1369	}	1795	}
1370		1796
1371	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1372		1800
1373	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1374	player. May block.	1802	player. May block.
1375		1803
1376	=cut	1804	=cut
…		…
1394	}	1822	}
1395		1823
1396	\@paths	1824	\@paths
1397	}	1825	}
1398		1826
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1828
1401	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1402		1830
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1450		1832
1451	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1452		1834
1453	=cut	1835	=cut
1454		1836
1455	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1457		1839
1458	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1841	}
1461		1842
1462	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1463		1844
1464	Sends an ext event to the client.	1845	Sends an ext event to the client.
1465		1846
1466	=cut	1847	=cut
1467		1848
1468	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1470		1851
1471	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1472	}	1853	}
1473		1854
1474	=head3 cf::region	1855	=head3 cf::region
1475		1856
1476	=over 4	1857	=over 4
…		…
1486	=cut	1867	=cut
1487		1868
1488	sub find_by_path($) {	1869	sub find_by_path($) {
1489	my ($path) = @_;	1870	my ($path) = @_;
1490		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1491	my ($match, $specificity);	1874	my ($match, $specificity);
1492		1875
1493	for my $region (list) {	1876	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1497	}	1880	}
1498	}	1881	}
1499		1882
…		…
1520	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1522		1905
1523	sub generate_random_map {	1906	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1525	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1526	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1538	)
1539	}	1912	}
1540		1913
1541	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1542		1915
1543	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
…		…
1548		1921
1549	sub register {	1922	sub register {
1550	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1924	my $pkg = caller;
1552		1925
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1927
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1929	}
1558		1930
1559	# also paths starting with '/'	1931	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1933
1562	sub thawer_merge {	1934	sub thawer_merge {
1563	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1564		1936
1565	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1570	}	1942	}
1571		1943
1572	sub normalise {	1944	sub normalise {
1573	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1574		1946
1575	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1576		1948
1577	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1578		1950
1579	# map plan:	1951	# map plan:
1580	#	1952	#
…		…
1582	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1583	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1584	# ?random/... random maps	1956	# ?random/... random maps
1585	# /... normal maps	1957	# /... normal maps
1586	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1587		1960
1588	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1589		1962
1590	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1591	# something that looks reasonable	1964	# something that looks reasonable
1592	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1593	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1594		1967
1595	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1597	}	1984	}
1598		1985
1599	for ($path) {	1986	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1603	}	1989	}
1604		1990
1605	$path	1991	$path
…		…
1619	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1620	return $self;	2006	return $self;
1621	}	2007	}
1622	}	2008	}
1623		2009
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	2011	()
1626	}	2012	}
1627		2013
		2014	# may re-bless or do other evil things
1628	sub init {	2015	sub init {
1629	my ($self) = @_;	2016	my ($self) = @_;
1630		2017
1631	$self	2018	$self
1632	}	2019	}
…		…
1651		2038
1652	# the temporary/swap location	2039	# the temporary/swap location
1653	sub save_path {	2040	sub save_path {
1654	my ($self) = @_;	2041	my ($self) = @_;
1655		2042
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1658	}	2045	}
1659		2046
1660	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1661	sub uniq_path {	2048	sub uniq_path {
1662	my ($self) = @_;	2049	my ($self) = @_;
1663		2050
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	2053	}
1676		2054
1677	sub decay_objects {	2055	sub decay_objects {
1678	my ($self) = @_;	2056	my ($self) = @_;
1679		2057
…		…
1692		2070
1693	sub load_header_from($) {	2071	sub load_header_from($) {
1694	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1695		2073
1696	utf8::encode $path;	2074	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2076	or return;
1702		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
		2083
1703	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1704		2085
1705	1	2086	1
1706	}	2087	}
1707		2088
		2089	# used to laod the header of an original map
1708	sub load_header_orig {	2090	sub load_header_orig {
1709	my ($self) = @_;	2091	my ($self) = @_;
1710		2092
1711	$self->load_header_from ($self->load_path)	2093	$self->load_header_from ($self->load_path)
1712	}	2094	}
1713		2095
		2096	# used to laod the header of an instantiated map
1714	sub load_header_temp {	2097	sub load_header_temp {
1715	my ($self) = @_;	2098	my ($self) = @_;
1716		2099
1717	$self->load_header_from ($self->save_path)	2100	$self->load_header_from ($self->save_path)
1718	}	2101	}
1719		2102
		2103	# called after loading the header from an instantiated map
1720	sub prepare_temp {	2104	sub prepare_temp {
1721	my ($self) = @_;	2105	my ($self) = @_;
1722		2106
1723	$self->last_access ((delete $self->{last_access})	2107	$self->last_access ((delete $self->{last_access})
1724	|| $cf::RUNTIME); #d#	2108	|| $cf::RUNTIME); #d#
1725	# safety	2109	# safety
1726	$self->{instantiate_time} = $cf::RUNTIME	2110	$self->{instantiate_time} = $cf::RUNTIME
1727	if $self->{instantiate_time} > $cf::RUNTIME;	2111	if $self->{instantiate_time} > $cf::RUNTIME;
1728	}	2112	}
1729		2113
		2114	# called after loading the header from an original map
1730	sub prepare_orig {	2115	sub prepare_orig {
1731	my ($self) = @_;	2116	my ($self) = @_;
1732		2117
1733	$self->{load_original} = 1;	2118	$self->{load_original} = 1;
1734	$self->{instantiate_time} = $cf::RUNTIME;	2119	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1758		2143
1759	sub find;	2144	sub find;
1760	sub find {	2145	sub find {
1761	my ($path, $origin) = @_;	2146	my ($path, $origin) = @_;
1762		2147
		2148	cf::cede_to_tick;
		2149
1763	$path = normalise $path, $origin && $origin->path;	2150	$path = normalise $path, $origin;
1764		2151
		2152	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2153	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2154
1767	$cf::MAP{$path} || do {	2155	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2156	my $map = new_from_path cf::map $path
1770	or return;	2157	or return;
1771		2158
1772	$map->{last_save} = $cf::RUNTIME;	2159	$map->{last_save} = $cf::RUNTIME;
1773		2160
…		…
1775	or return;	2162	or return;
1776		2163
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2164	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2165	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2166	#$cf::WAIT_FOR_TICK->wait;
		2167	undef $guard2;
		2168	undef $guard1;
1780	$map->reset;	2169	$map->reset;
1781	undef $guard;
1782	return find $path;	2170	return find $path;
1783	}	2171	}
1784		2172
1785	$cf::MAP{$path} = $map	2173	$cf::MAP{$path} = $map
1786	}	2174	}
1787	}	2175	}
1788		2176
1789	sub pre_load { }	2177	sub pre_load { }
1790	sub post_load { }	2178	#sub post_load { } # XS
1791		2179
1792	sub load {	2180	sub load {
1793	my ($self) = @_;	2181	my ($self) = @_;
1794		2182
1795	local $self->{deny_reset} = 1; # loading can take a long time	2183	local $self->{deny_reset} = 1; # loading can take a long time
1796		2184
1797	my $path = $self->{path};	2185	my $path = $self->{path};
1798		2186
1799	{	2187	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2188	my $guard = cf::lock_acquire "map_data:$path";
1801		2189
		2190	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2191	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2192
1804	$self->in_memory (cf::MAP_LOADING);	2193	$self->in_memory (cf::MAP_LOADING);
1805		2194
1806	$self->alloc;	2195	$self->alloc;
1807		2196
1808	$self->pre_load;	2197	$self->pre_load;
1809	Coro::cede;	2198	cf::cede_to_tick;
1810		2199
1811	$self->_load_objects ($self->{load_path}, 1)	2200	if (exists $self->{load_path}) {
		2201	my $f = new_from_file cf::object::thawer $self->{load_path};
		2202	$f->skip_block;
		2203	$self->_load_objects ($f)
1812	or return;	2204	or return;
1813		2205
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2206	$self->post_load_original
1815	if delete $self->{load_original};	2207	if delete $self->{load_original};
1816		2208
1817	if (my $uniq = $self->uniq_path) {	2209	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2210	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2211	unless (aio_stat $uniq) {
		2212	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2213	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2214	$self->_load_objects ($f);
		2215	$f->resolve_delayed_derefs;
		2216	}
		2217	}
1822	}	2218	}
1823	}
1824		2219
1825	Coro::cede;	2220	$f->resolve_delayed_derefs;
		2221	} else {
		2222	$self->post_load_original
		2223	if delete $self->{load_original};
		2224	}
		2225
		2226	cf::cede_to_tick;
1826	# now do the right thing for maps	2227	# now do the right thing for maps
1827	$self->link_multipart_objects;	2228	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2229	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2230	unless $self->difficulty;
1830	Coro::cede;	2231	cf::cede_to_tick;
1831		2232
1832	unless ($self->{deny_activate}) {	2233	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2234	$self->decay_objects;
1834	$self->fix_auto_apply;	2235	$self->fix_auto_apply;
1835	$self->update_buttons;	2236	$self->update_buttons;
1836	Coro::cede;	2237	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2238	$self->activate;
1840	}	2239	}
1841		2240
		2241	$self->{last_save} = $cf::RUNTIME;
		2242	$self->last_access ($cf::RUNTIME);
		2243
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2244	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2245	}
1844		2246
1845	$self->post_load;	2247	$self->post_load;
1846	}
1847		2248
		2249	1
		2250	}
		2251
		2252	# customize the map for a given player, i.e.
		2253	# return the _real_ map. used by e.g. per-player
		2254	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2255	sub customise_for {
1849	my ($self, $ob) = @_;	2256	my ($self, $ob) = @_;
1850		2257
1851	return find "~" . $ob->name . "/" . $self->{path}	2258	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2259	if $self->per_player;
…		…
1856		2263
1857	$self	2264	$self
1858	}	2265	}
1859		2266
1860	# find and load all maps in the 3x3 area around a map	2267	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2268	sub load_neighbours {
1862	my ($map) = @_;	2269	my ($map) = @_;
1863		2270
1864	my @diag; # diagonal neighbours	2271	my @neigh; # diagonal neighbours
1865		2272
1866	for (0 .. 3) {	2273	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2274	my $neigh = $map->tile_path ($_)
1868	or next;	2275	or next;
1869	$neigh = find $neigh, $map	2276	$neigh = find $neigh, $map
1870	or next;	2277	or next;
1871	$neigh->load;	2278	$neigh->load;
1872		2279
		2280	# now find the diagonal neighbours
		2281	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2282	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2283	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2284	}
1876		2285
1877	for (@diag) {	2286	for (grep defined $_->[0], @neigh) {
		2287	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2288	my $neigh = find $path, $origin
1879	or next;	2289	or next;
1880	$neigh->load;	2290	$neigh->load;
1881	}	2291	}
1882	}	2292	}
1883		2293
1884	sub find_sync {	2294	sub find_sync {
1885	my ($path, $origin) = @_;	2295	my ($path, $origin) = @_;
1886		2296
1887	cf::sync_job { find $path, $origin }	2297	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2298	if $Coro::current == $Coro::main;
		2299
		2300	find $path, $origin
1888	}	2301	}
1889		2302
1890	sub do_load_sync {	2303	sub do_load_sync {
1891	my ($map) = @_;	2304	my ($map) = @_;
1892		2305
1893	cf::sync_job { $map->load };	2306	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2307	if $Coro::current == $Coro::main;
		2308
		2309	$map->load;
1894	}	2310	}
1895		2311
1896	our %MAP_PREFETCH;	2312	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2313	our $MAP_PREFETCHER = undef;
1898		2314
1899	sub find_async {	2315	sub find_async {
1900	my ($path, $origin) = @_;	2316	my ($path, $origin, $load) = @_;
1901		2317
1902	$path = normalise $path, $origin && $origin->{path};	2318	$path = normalise $path, $origin;
1903		2319
1904	if (my $map = $cf::MAP{$path}) {	2320	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2321	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2322	}
1907		2323
1908	undef $MAP_PREFETCH{$path};	2324	$MAP_PREFETCH{$path} |= $load;
		2325
1909	$MAP_PREFETCHER ||= cf::async {	2326	$MAP_PREFETCHER ||= cf::async {
		2327	$Coro::current->{desc} = "map prefetcher";
		2328
1910	while (%MAP_PREFETCH) {	2329	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2330	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2331	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2332	$map->load if $v;
		2333	}
1915		2334
1916	delete $MAP_PREFETCH{$path};	2335	delete $MAP_PREFETCH{$k};
1917	}	2336	}
1918	}	2337	}
1919	undef $MAP_PREFETCHER;	2338	undef $MAP_PREFETCHER;
1920	};	2339	};
1921	$MAP_PREFETCHER->prio (6);	2340	$MAP_PREFETCHER->prio (6);
1922		2341
1923	()	2342	()
1924	}	2343	}
1925		2344
		2345	# common code, used by both ->save and ->swapout
1926	sub save {	2346	sub _save {
1927	my ($self) = @_;	2347	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2348
1931	$self->{last_save} = $cf::RUNTIME;	2349	$self->{last_save} = $cf::RUNTIME;
1932		2350
1933	return unless $self->dirty;	2351	return unless $self->dirty;
1934		2352
…		…
1940	return if $self->{deny_save};	2358	return if $self->{deny_save};
1941		2359
1942	local $self->{last_access} = $self->last_access;#d#	2360	local $self->{last_access} = $self->last_access;#d#
1943		2361
1944	cf::async {	2362	cf::async {
		2363	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2364	$_->contr->save for $self->players;
1946	};	2365	};
		2366
		2367	cf::get_slot 0.02;
1947		2368
1948	if ($uniq) {	2369	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2370	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2371	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2372	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2373	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2374	}
1954	}	2375	}
1955		2376
		2377	sub save {
		2378	my ($self) = @_;
		2379
		2380	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2381
		2382	$self->_save;
		2383	}
		2384
1956	sub swap_out {	2385	sub swap_out {
1957	my ($self) = @_;	2386	my ($self) = @_;
1958		2387
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2389
		2390	return if $self->in_memory != cf::MAP_ACTIVE;
		2391	return if $self->{deny_save};
1964	return if $self->players;	2392	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2393
		2394	# first deactivate the map and "unlink" it from the core
		2395	$self->deactivate;
		2396	$_->clear_links_to ($self) for values %cf::MAP;
		2397	$self->in_memory (cf::MAP_SWAPPED);
		2398
		2399	# then atomically save
		2400	$self->_save;
		2401
		2402	# then free the map
1968	$self->clear;	2403	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2404	}
1971		2405
1972	sub reset_at {	2406	sub reset_at {
1973	my ($self) = @_;	2407	my ($self) = @_;
1974		2408
…		…
1992		2426
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2427	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2428
1995	return if $self->players;	2429	return if $self->players;
1996		2430
1997	warn "resetting map ", $self->path;	2431	cf::trace "resetting map ", $self->path, "\n";
1998		2432
1999	$self->in_memory (cf::MAP_SWAPPED);	2433	$self->in_memory (cf::MAP_SWAPPED);
2000		2434
2001	# need to save uniques path	2435	# need to save uniques path
2002	unless ($self->{deny_save}) {	2436	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2440	if $uniq;
2007	}	2441	}
2008		2442
2009	delete $cf::MAP{$self->path};	2443	delete $cf::MAP{$self->path};
2010		2444
		2445	$self->deactivate;
		2446	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2447	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2448
2015	$self->unlink_save;	2449	$self->unlink_save;
2016	$self->destroy;	2450	$self->destroy;
2017	}	2451	}
2018		2452
2019	my $nuke_counter = "aaaa";	2453	my $nuke_counter = "aaaa";
2020		2454
2021	sub nuke {	2455	sub nuke {
2022	my ($self) = @_;	2456	my ($self) = @_;
2023		2457
		2458	{
		2459	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2460
2024	delete $cf::MAP{$self->path};	2461	delete $cf::MAP{$self->path};
2025		2462
2026	$self->unlink_save;	2463	$self->unlink_save;
2027		2464
2028	bless $self, "cf::map";	2465	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2466	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2467	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2468	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2469	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2470
2034	$cf::MAP{$self->path} = $self;	2471	$cf::MAP{$self->path} = $self;
		2472	}
2035		2473
2036	$self->reset; # polite request, might not happen	2474	$self->reset; # polite request, might not happen
2037	}	2475	}
2038		2476
2039	=item $maps = cf::map::tmp_maps	2477	=item $maps = cf::map::tmp_maps
…		…
2081		2519
2082	sub unique_maps() {	2520	sub unique_maps() {
2083	[	2521	[
2084	map {	2522	map {
2085	utf8::decode $_;	2523	utf8::decode $_;
2086	/\.map$/	2524	s/\.map$//; # TODO future compatibility hack
		2525	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2526	? ()
2087	? normalise $_	2527	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2528	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2529	]
2091	}	2530	}
2092		2531
2093	package cf;	2532	=item cf::map::static_maps
		2533
		2534	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2535	file in the shared directory excluding F</styles> and F</editor>). May
		2536	block.
		2537
		2538	=cut
		2539
		2540	sub static_maps() {
		2541	my @dirs = "";
		2542	my @maps;
		2543
		2544	while (@dirs) {
		2545	my $dir = shift @dirs;
		2546
		2547	next if $dir eq "/styles" || $dir eq "/editor";
		2548
		2549	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2550	or return;
		2551
		2552	for (@$files) {
		2553	s/\.map$// or next;
		2554	utf8::decode $_;
		2555	push @maps, "$dir/$_";
		2556	}
		2557
		2558	push @dirs, map "$dir/$_", @$dirs;
		2559	}
		2560
		2561	\@maps
		2562	}
2094		2563
2095	=back	2564	=back
2096		2565
2097	=head3 cf::object	2566	=head3 cf::object
2098		2567
…		…
2102		2571
2103	=over 4	2572	=over 4
2104		2573
2105	=item $ob->inv_recursive	2574	=item $ob->inv_recursive
2106		2575
2107	Returns the inventory of the object _and_ their inventories, recursively.	2576	Returns the inventory of the object I<and> their inventories, recursively,
		2577	but I<not> the object itself.
2108		2578
2109	=cut	2579	=cut
2110		2580
2111	sub inv_recursive_;	2581	sub inv_recursive_;
2112	sub inv_recursive_ {	2582	sub inv_recursive_ {
…		…
2115		2585
2116	sub inv_recursive {	2586	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2587	inv_recursive_ inv $_[0]
2118	}	2588	}
2119		2589
		2590	=item $ref = $ob->ref
		2591
		2592	Creates and returns a persistent reference to an object that can be stored as a string.
		2593
		2594	=item $ob = cf::object::deref ($refstring)
		2595
		2596	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2597	even if the object actually exists. May block.
		2598
		2599	=cut
		2600
		2601	sub deref {
		2602	my ($ref) = @_;
		2603
		2604	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2605	my ($uuid, $name) = ($1, $2);
		2606	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2607	or return;
		2608	$pl->ob->uuid eq $uuid
		2609	or return;
		2610
		2611	$pl->ob
		2612	} else {
		2613	warn "$ref: cannot resolve object reference\n";
		2614	undef
		2615	}
		2616	}
		2617
2120	package cf;	2618	package cf;
2121		2619
2122	=back	2620	=back
2123		2621
2124	=head3 cf::object::player	2622	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2628	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2629	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2630	dialogue with the given NPC character.
2133		2631
2134	=cut	2632	=cut
		2633
		2634	our $SAY_CHANNEL = {
		2635	id => "say",
		2636	title => "Map",
		2637	reply => "say ",
		2638	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2639	};
		2640
		2641	our $CHAT_CHANNEL = {
		2642	id => "chat",
		2643	title => "Chat",
		2644	reply => "chat ",
		2645	tooltip => "Player chat and shouts, global to the server.",
		2646	};
2135		2647
2136	# rough implementation of a future "reply" method that works	2648	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2649	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2650	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2651	sub cf::object::player::reply($$$;$) {
…		…
2146		2658
2147	} else {	2659	} else {
2148	my $pl = $self->contr;	2660	my $pl = $self->contr;
2149		2661
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2662	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2663	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2664	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2665
2159	} else {	2666	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2667	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2668	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2669	}
2163	}	2670	}
		2671	}
		2672
		2673	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2674
		2675	=cut
		2676
		2677	sub cf::object::send_msg {
		2678	my $pl = shift->contr
		2679	or return;
		2680	$pl->send_msg (@_);
2164	}	2681	}
2165		2682
2166	=item $player_object->may ("access")	2683	=item $player_object->may ("access")
2167		2684
2168	Returns wether the given player is authorized to access resource "access"	2685	Returns wether the given player is authorized to access resource "access"
…		…
2181		2698
2182	=item $player_object->enter_link	2699	=item $player_object->enter_link
2183		2700
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2701	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2702
2186	The player should be reasonably safe there for short amounts of time. You	2703	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2704	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2705	though, as the player cannot control the character while it is on the link
		2706	map.
2188		2707
2189	Will never block.	2708	Will never block.
2190		2709
2191	=item $player_object->leave_link ($map, $x, $y)	2710	=item $player_object->leave_link ($map, $x, $y)
2192		2711
…		…
2212	sub cf::object::player::enter_link {	2731	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2732	my ($self) = @_;
2214		2733
2215	$self->deactivate_recursive;	2734	$self->deactivate_recursive;
2216		2735
		2736	++$self->{_link_recursion};
		2737
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2738	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2739
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2740	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2741	if $self->map && $self->map->{path} ne "{link}";
2221		2742
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2743	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2744	}
2224		2745
2225	sub cf::object::player::leave_link {	2746	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2747	my ($self, $map, $x, $y) = @_;
2227		2748
…		…
2244	($x, $y) = (-1, -1)	2765	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2766	unless (defined $x) && (defined $y);
2246		2767
2247	# use -1 or undef as default coordinates, not 0, 0	2768	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2769	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2770	if $x <= 0 && $y <= 0;
2250		2771
2251	$map->load;	2772	$map->load;
2252	$map->load_diag;	2773	$map->load_neighbours;
2253		2774
2254	return unless $self->contr->active;	2775	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2776
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2777	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2778	if ($self->enter_map ($map, $x, $y)) {
2259	}	2779	# entering was successful
		2780	delete $self->{_link_recursion};
		2781	# only activate afterwards, to support waiting in hooks
		2782	$self->activate_recursive;
		2783	}
2260		2784
		2785	}
		2786
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2787	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2788
2263	Moves the player to the given map-path and coordinates by first freezing	2789	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2790	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2791	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2792	the new (success) or old (failed) map position. In either case, $done will
		2793	be called at the end of this process.
		2794
		2795	Note that $check will be called with a potentially non-loaded map, so if
		2796	it needs a loaded map it has to call C<< ->load >>.
2267		2797
2268	=cut	2798	=cut
2269		2799
2270	our $GOTOGEN;	2800	our $GOTOGEN;
2271		2801
2272	sub cf::object::player::goto {	2802	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2803	my ($self, $path, $x, $y, $check, $done) = @_;
		2804
		2805	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2806	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2807	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2808	($path, $x, $y) = @$EMERGENCY_POSITION;
		2809	}
2274		2810
2275	# do generation counting so two concurrent goto's will be executed in-order	2811	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2812	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2813
2278	$self->enter_link;	2814	$self->enter_link;
2279		2815
2280	(async {	2816	(async {
		2817	$Coro::current->{desc} = "player::goto $path $x $y";
		2818
		2819	# *tag paths override both path and x|y
		2820	if ($path =~ /^\*(.*)$/) {
		2821	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2822	my $ob = $obs[rand @obs];
		2823
		2824	# see if we actually can go there
		2825	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2826	$ob = $obs[rand @obs];
		2827	} else {
		2828	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	}
		2830	# else put us there anyways for now #d#
		2831
		2832	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2833	} else {
		2834	($path, $x, $y) = (undef, undef, undef);
		2835	}
		2836	}
		2837
2281	my $map = eval {	2838	my $map = eval {
2282	my $map = cf::map::find $path;	2839	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2283		2840
2284	if ($map) {	2841	if ($map) {
2285	$map = $map->customise_for ($self);	2842	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2843	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2844	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2845	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2846	}
2290		2847
2291	$map	2848	$map
2292	};	2849	};
2293		2850
…		…
2298		2855
2299	if ($gen == $self->{_goto_generation}) {	2856	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2857	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2858	$self->leave_link ($map, $x, $y);
2302	}	2859	}
		2860
		2861	$done->($self) if $done;
2303	})->prio (1);	2862	})->prio (1);
2304	}	2863	}
2305		2864
2306	=item $player_object->enter_exit ($exit_object)	2865	=item $player_object->enter_exit ($exit_object)
2307		2866
…		…
2327	}	2886	}
2328		2887
2329	sub prepare_random_map {	2888	sub prepare_random_map {
2330	my ($exit) = @_;	2889	my ($exit) = @_;
2331		2890
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2891	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2892	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2893	# that depends on the exit object
2337		2894
2338	my $rmp = parse_random_map_params $exit->msg;	2895	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2897	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2898	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2899	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2900	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2901	$rmp->{origin_y} = $exit->y;
		2902
		2903	$exit->map->touch;
2345	}	2904	}
2346		2905
2347	$rmp->{random_seed} ||= $exit->random_seed;	2906	$rmp->{random_seed} ||= $exit->random_seed;
2348		2907
2349	my $data = cf::to_json $rmp;	2908	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2909	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2910	my $meta = "$RANDOMDIR/$md5.meta";
2352		2911
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2912	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2913	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2914	undef $fh;
2356	aio_rename "$meta~", $meta;	2915	aio_rename "$meta~", $meta;
2357		2916
		2917	my $slaying = "?random/$md5";
		2918
		2919	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2920	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2921	$exit->msg (undef);
		2922	}
2360	}	2923	}
2361	}	2924	}
2362		2925
2363	sub cf::object::player::enter_exit {	2926	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2927	my ($self, $exit) = @_;
2365		2928
2366	return unless $self->type == cf::PLAYER;	2929	return unless $self->type == cf::PLAYER;
2367		2930
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2931	$self->enter_link;
2380		2932
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2933	(async {
2386	$self->deactivate_recursive; # just to be sure	2934	$Coro::current->{desc} = "enter_exit";
		2935
2387	unless (eval {	2936	unless (eval {
		2937	$self->deactivate_recursive; # just to be sure
		2938
		2939	# random map handling
		2940	{
		2941	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2942
		2943	prepare_random_map $exit
		2944	if $exit->slaying eq "/!";
		2945	}
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
2388	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2389		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
2390	1;	2957	1
2391	}) {	2958	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2963
2397	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	2965	$self->leave_link;
2399	}	2966	}
2400	})->prio (1);	2967	})->prio (1);
2401	}	2968	}
2402		2969
…		…
2416		2983
2417	utf8::encode $text;	2984	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2986	}
2420		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
		3011	}
		3012
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		3014
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	3015	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	3016	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	3017	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	3018	the message unless the client supports the msg packet.
2427		3019
2428	=cut	3020	=cut
2429		3021
		3022	# non-persistent channels (usually the info channel)
		3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
		3030	"c/identify" => {
		3031	id => "infobox",
		3032	title => "Identify",
		3033	reply => undef,
		3034	tooltip => "Items recently identified",
		3035	},
		3036	"c/examine" => {
		3037	id => "infobox",
		3038	title => "Examine",
		3039	reply => undef,
		3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
		3134	);
		3135
2430	sub cf::client::send_msg {	3136	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3137	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3138
2433	$msg = $self->pl->expand_cfpod ($msg);	3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
		3141
		3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3143
		3144	# check predefined channels, for the benefit of C
		3145	if ($CHANNEL{$channel}) {
		3146	$channel = $CHANNEL{$channel};
		3147
		3148	$self->ext_msg (channel_info => $channel);
		3149	$channel = $channel->{id};
		3150
		3151	} elsif (ref $channel) {
		3152	# send meta info to client, if not yet sent
		3153	unless (exists $self->{channel}{$channel->{id}}) {
		3154	$self->{channel}{$channel->{id}} = $channel;
		3155	$self->ext_msg (channel_info => $channel);
		3156	}
		3157
		3158	$channel = $channel->{id};
		3159	}
2434		3160
2435	return unless @extra || length $msg;	3161	return unless @extra || length $msg;
2436		3162
2437	if ($self->can_msg) {	3163	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3165	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3166
2450	if ($color >= 0) {	3167	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3168	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3170	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3171
		3172	$self->send_big_packet ($pkt);
		3173	}
		3174
2461	=item $client->ext_event ($type, %msg)	3175	=item $client->ext_msg ($type, @msg)
2462		3176
2463	Sends an ext event to the client.	3177	Sends an ext event to the client.
2464		3178
2465	=cut	3179	=cut
2466		3180
2467	sub cf::client::ext_event($$%) {	3181	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3182	my ($self, $type, @msg) = @_;
2469		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	3187	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		3199	my ($self, $id, @msg) = @_;
		3200
		3201	if ($self->extcmd == 2) {
		3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3203	} elsif ($self->extcmd == 1) {
		3204	#TODO: version 1, remove
		3205	unshift @msg, msgtype => "reply", msgid => $id;
		3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3207	}
2472	}	3208	}
2473		3209
2474	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2475		3211
2476	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	3267	my ($ns, $buf) = @_;
2532		3268
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3269	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3270
2535	if (ref $msg) {	3271	if (ref $msg) {
		3272	my ($type, $reply, @payload) =
		3273	"ARRAY" eq ref $msg
		3274	? @$msg
		3275	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3276
		3277	my @reply;
		3278
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3279	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3280	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3281	}
		3282
		3283	$ns->ext_reply ($reply, @reply)
		3284	if $reply;
		3285
2542	} else {	3286	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3288	}
2545		3289
2546	cf::override;	3290	cf::override;
2547	},	3291	},
2548	);	3292	);
…		…
2568		3312
2569	$coro	3313	$coro
2570	}	3314	}
2571		3315
2572	cf::client->attach (	3316	cf::client->attach (
2573	on_destroy => sub {	3317	on_client_destroy => sub {
2574	my ($ns) = @_;	3318	my ($ns) = @_;
2575		3319
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3321	},
2578	);	3322	);
…		…
2593	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2595		3339
2596	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2597		3341
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2599		3347
2600	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2601		3349
2602	=pod	3350	=pod
2603		3351
2604	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2605		3353
2606	cf::object	3354	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3355	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3356	insert remove name archname title slaying race decrease split
		3357	value
2609		3358
2610	cf::object::player	3359	cf::object::player
2611	player	3360	player
2612		3361
2613	cf::player	3362	cf::player
…		…
2618		3367
2619	=cut	3368	=cut
2620		3369
2621	for (	3370	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2627	) {	3377	) {
2628	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2631	for @funs;	3380	for @funs;
2632	}	3381	}
2633		3382
…		…
2648		3397
2649	my $qcode = $code;	3398	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2652		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2653	local $_;	3405	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3406
2656	my $eval =	3407	my $eval =
2657	"do {\n"	3408	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3411	. $code
2661	. "\n}"	3412	. "\n}"
2662	;	3413	;
2663		3414
		3415	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2667		3424
2668	if ($@) {	3425	if ($@) {
2669	warn "$@";	3426	warn "$@",
2670	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2671	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2672	}	3429	}
2673		3430
2674	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2675	}	3432	}
2676		3433
…		…
2690	=cut	3447	=cut
2691		3448
2692	sub register_script_function {	3449	sub register_script_function {
2693	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2694		3451
2695	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2697	}	3454	}
2698		3455
2699	=back	3456	=back
2700		3457
2701	=cut	3458	=cut
…		…
2704	# the server's init and main functions	3461	# the server's init and main functions
2705		3462
2706	sub load_facedata($) {	3463	sub load_facedata($) {
2707	my ($path) = @_;	3464	my ($path) = @_;
2708		3465
		3466	# HACK to clear player env face cache, we need some signal framework
		3467	# for this (global event?)
		3468	%ext::player_env::MUSIC_FACE_CACHE = ();
		3469
		3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3471
2709	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
2710		3473
2711	my $facedata;	3474	my $facedata = decode_storable load_file $path;
2712	0 < aio_load $path, $facedata
2713	or die "$path: $!";
2714
2715	$facedata = Coro::Storable::thaw $facedata;
2716		3475
2717	$facedata->{version} == 2	3476	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3478
		3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3481	$facedata->{resource}{"res/exp_table"} = {
		3482	type => FT_RSRC,
		3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
		3485	};
		3486	cf::cede_to_tick;
		3487
2720	{	3488	{
2721	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
2722		3490
2723	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
2725	cf::face::set_visibility $idx, $info->{visibility};	3494	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3495	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2729		3499
2730	cf::cede_to_tick;	3500	cf::cede_to_tick;
2731	}	3501	}
2732		3502
2733	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
2735	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
2736	or next;	3507	or next;
		3508
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3510	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3512	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
2742	}	3514	}
2743		3515
2744	cf::cede_to_tick;	3516	cf::cede_to_tick;
2745	}	3517	}
2746	}	3518	}
…		…
2755		3527
2756	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
2757	}	3529	}
2758		3530
2759	{	3531	{
2760	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3532	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3533
2765	while (my ($name, $info) = each %$res) {	3534	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3535	if (defined $info->{type}) {
2767	name => $name,
2768	type => $info->{type},
2769	copyright => $info->{copyright}, #TODO#
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3537
		3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2775	cf::face::set_type $idx, 1;	3539	cf::face::set_type $idx, $info->{type};
2776	cf::face::set_data $idx, 0, $data, $chk;	3540	} else {
		3541	$RESOURCE{$name} = $info; # unused
		3542	}
2777		3543
2778	cf::cede_to_tick;	3544	cf::cede_to_tick;
2779	}	3545	}
2780	}	3546	}
2781		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3549
2782	1	3550	1
2783	}	3551	}
2784		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($ns, $want) = @_;
		3555
		3556	while (my ($k, $v) = each %$want) {
		3557	$ns->fx_want ($k, $v);
		3558	}
		3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
		3570
2785	sub reload_regions {	3571	sub reload_regions {
		3572	# HACK to clear player env face cache, we need some signal framework
		3573	# for this (global event?)
		3574	%ext::player_env::MUSIC_FACE_CACHE = ();
		3575
2786	load_resource_file "$MAPDIR/regions"	3576	load_resource_file "$MAPDIR/regions"
2787	or die "unable to load regions file\n";	3577	or die "unable to load regions file\n";
		3578
		3579	for (cf::region::list) {
		3580	$_->{match} = qr/$_->{match}/
		3581	if exists $_->{match};
		3582	}
2788	}	3583	}
2789		3584
2790	sub reload_facedata {	3585	sub reload_facedata {
2791	load_facedata "$DATADIR/facedata"	3586	load_facedata "$DATADIR/facedata"
2792	or die "unable to load facedata\n";	3587	or die "unable to load facedata\n";
2793	}	3588	}
2794		3589
2795	sub reload_archetypes {	3590	sub reload_archetypes {
2796	load_resource_file "$DATADIR/archetypes"	3591	load_resource_file "$DATADIR/archetypes"
2797	or die "unable to load archetypes\n";	3592	or die "unable to load archetypes\n";
2798	#d# NEED to laod twice to resolve forward references
2799	# this really needs to be done in an extra post-pass
2800	# (which needs to be synchronous, so solve it differently)
2801	load_resource_file "$DATADIR/archetypes"
2802	or die "unable to load archetypes\n";
2803	}	3593	}
2804		3594
2805	sub reload_treasures {	3595	sub reload_treasures {
2806	load_resource_file "$DATADIR/treasures"	3596	load_resource_file "$DATADIR/treasures"
2807	or die "unable to load treasurelists\n";	3597	or die "unable to load treasurelists\n";
2808	}	3598	}
2809		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
2810	sub reload_resources {	3620	sub reload_resources {
2811	warn "reloading resource files...\n";	3621	trace "reloading resource files...\n";
2812		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
2813	reload_regions;	3628	reload_regions;
2814	reload_facedata;
2815	#reload_archetypes;#d#
2816	reload_archetypes;
2817	reload_treasures;	3629	reload_treasures;
2818		3630
2819	warn "finished reloading resource files\n";	3631	trace "finished reloading resource files\n";
2820	}	3632	}
2821		3633
2822	sub init {	3634	sub reload_config {
2823	reload_resources;	3635	trace "reloading config file...\n";
2824	}
2825		3636
2826	sub cfg_load {	3637	my $config = load_file "$CONFDIR/config";
2827	open my $fh, "<:utf8", "$CONFDIR/config"	3638	utf8::decode $config;
2828	or return;	3639	*CFG = decode_yaml $config;
2829		3640
2830	local $/;
2831	*CFG = YAML::Syck::Load <$fh>;
2832
2833	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2834		3642
2835	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2836	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2837		3645
2838	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2842	};	3650	};
2843	warn $@ if $@;	3651	warn $@ if $@;
2844	}	3652	}
2845	}	3653	}
2846		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
2847	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
2848	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2849	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2850	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2851	(async {	3696	(async {
2852	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2853	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2854	};	3700	};
2855		3701
2856	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
		3714	reload_config;
2857	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
2858	load_extensions;	3725	load_extensions;
2859		3726
2860	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
2861	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
2862	}	3745	}
2863		3746
2864	#############################################################################	3747	#############################################################################
2865	# initialisation and cleanup	3748	# initialisation and cleanup
2866		3749
2867	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2868	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2869	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2870	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2871	reentrant => 0,
2872	data => WF_AUTOCANCEL,
2873	signal => $signal,
2874	prio => 0,
2875	cb => sub {
2876	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2877	},
2878	);	3756	};
2879	}	3757	}
2880	}	3758	}
2881		3759
2882	sub write_runtime {	3760	sub write_runtime_sync {
2883	my $runtime = "$LOCALDIR/runtime";	3761	my $t0 = AE::time;
2884		3762
2885	# first touch the runtime file to show we are still running:	3763	# first touch the runtime file to show we are still running:
2886	# the fsync below can take a very very long time.	3764	# the fsync below can take a very very long time.
2887		3765
2888	IO::AIO::aio_utime $runtime, undef, undef;	3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2889		3767
2890	my $guard = cf::lock_acquire "write_runtime";	3768	my $guard = cf::lock_acquire "write_runtime";
2891		3769
2892	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2893	or return;	3771	or return;
2894		3772
2895	my $value = $cf::RUNTIME + 90 + 10;	3773	my $value = $cf::RUNTIME + 90 + 10;
2896	# 10 is the runtime save interval, for a monotonic clock	3774	# 10 is the runtime save interval, for a monotonic clock
2897	# 60 allows for the watchdog to kill the server.	3775	# 60 allows for the watchdog to kill the server.
…		…
2907	aio_utime $fh, undef, undef;	3785	aio_utime $fh, undef, undef;
2908		3786
2909	close $fh	3787	close $fh
2910	or return;	3788	or return;
2911		3789
2912	aio_rename "$runtime~", $runtime	3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2913	and return;	3791	and return;
2914		3792
2915	warn "runtime file written.\n";	3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2916		3794
2917	1	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
2918	}	3846	}
2919		3847
2920	sub emergency_save() {	3848	sub emergency_save() {
2921	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2922		3850
2923	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
2924		3857
2925	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2926	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2927	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2928	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2929	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2930	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2931	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2932	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2933	$pl->save;	3869	$pl->save;
2934	}	3870	}
2935	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2936		3872
2937	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
2938	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2939	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2940	$map->valid or next;	3878	$map->valid or next;
2941	$map->save;	3879	$map->save;
2942	}	3880	}
2943	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
2944		3882
2945	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
2946	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
2947	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
2948	};	3911	};
2949		3912
2950	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2951	}	3914	}
2952		3915
2953	sub post_cleanup {	3916	sub post_cleanup {
2954	my ($make_core) = @_;	3917	my ($make_core) = @_;
2955		3918
		3919	IO::AIO::flush;
		3920
2956	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
2957	if $make_core;	3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
2958	}	3951	}
2959		3952
2960	sub do_reload_perl() {	3953	sub do_reload_perl() {
2961	# can/must only be called in main	3954	# can/must only be called in main
2962	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2963	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
2964	return;	3957	return;
2965	}	3958	}
2966		3959
2967	warn "reloading...";	3960	return if $RELOAD++;
2968		3961
2969	warn "entering sync_job";	3962	my $t1 = AE::time;
2970		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
2971	cf::sync_job {	3970	cf::sync_job {
2972	cf::write_runtime; # external watchdog should not bark
2973	cf::emergency_save;	3971	#cf::emergency_save;
2974	cf::write_runtime; # external watchdog should not bark
2975		3972
2976	warn "syncing database to disk";
2977	BDB::db_env_txn_checkpoint $DB_ENV;
2978
2979	# if anything goes wrong in here, we should simply crash as we already saved
2980
2981	warn "cancelling all WF_AUTOCANCEL watchers";
2982	for (Event::all_watchers) {
2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2984	}
2985
2986	warn "flushing outstanding aio requests";
2987	for (;;) {
2988	BDB::flush;
2989	IO::AIO::flush;
2990	Coro::cede;
2991	last unless IO::AIO::nreqs || BDB::nreqs;
2992	warn "iterate...";
2993	}
2994
2995	++$RELOAD;
2996
2997	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
2998	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2999	%EXT_CORO = ();	3975	%EXT_CORO = ();
3000		3976
3001	warn "removing commands";	3977	trace "perl_reload: removing commands";
3002	%COMMAND = ();	3978	%COMMAND = ();
3003		3979
3004	warn "removing ext/exti commands";	3980	trace "perl_reload: removing ext/exti commands";
3005	%EXTCMD = ();	3981	%EXTCMD = ();
3006	%EXTICMD = ();	3982	%EXTICMD = ();
3007		3983
3008	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
3009	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
3010	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
3011		3987
3012	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
3013	eval {	3989	eval {
3014	$cb->($pkg);	3990	$cb->($pkg);
3015	1	3991	1
3016	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
3017	}	3997	}
3018		3998
3019	warn "... nuking $pkg";
3020	Symbol::delete_package $pkg;
3021	}
3022
3023	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3024	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
3025	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3026		4002
3027	warn "... unloading $k";	4003	trace "... unloading $k";
3028	delete $INC{$k};	4004	delete $INC{$k};
3029		4005
3030	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
3031	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
3032		4008
3033	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
3034	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
3035	}	4014	}
3036		4015
3037	Symbol::delete_package $k;
3038	}
3039
3040	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
3041	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
3042	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3043		4019
3044	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
3045	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
3046	delete $INC{"cf/pod.pm"};	4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3047		4023
3048	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
3049	# and global variables created in xs	4025	# and global variables created in xs
3050	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
3051		4027
3052	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
3053		4029
3054	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
3055	require cf;	4031	require cf;
3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
3057		4033
3058	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
3059	cf::cfg_load;	4035	cf::reload_config;
3060		4036
3061	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
3062	cf::load_extensions;	4038	cf::load_extensions;
3063		4039
		4040	if ($REATTACH_ON_RELOAD) {
3064	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
3065	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
3066	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
3067	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
3068	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
3069	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
3070		4048
3071	warn "leaving sync_job";	4049	cf::_post_init 1;
3072		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
3073	1	4053	1
3074	} or do {	4054	} or do {
3075	warn $@;	4055	error $@;
3076	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
3077	exit 1;	4057	};
		4058
		4059	--$RELOAD;
3078	};	4060	}
3079		4061
3080	warn "reloaded";	4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
3081	};	4064	};
3082		4065
3083	our $RELOAD_WATCHER; # used only during reload	4066	our $RELOAD_WATCHER; # used only during reload
3084		4067
3085	sub reload_perl() {	4068	sub reload_perl() {
3086	# doing reload synchronously and two reloads happen back-to-back,	4069	# doing reload synchronously and two reloads happen back-to-back,
3087	# coro crashes during coro_state_free->destroy here.	4070	# coro crashes during coro_state_free->destroy here.
3088		4071
3089	$RELOAD_WATCHER ||= Event->timer (	4072	$RELOAD_WATCHER ||= cf::async {
3090	reentrant => 0,	4073	Coro::AIO::aio_wait cache_extensions;
3091	after => 0,	4074
3092	data => WF_AUTOCANCEL,	4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3093	cb => sub {
3094	do_reload_perl;	4076	do_reload_perl;
3095	undef $RELOAD_WATCHER;	4077	undef $RELOAD_WATCHER;
3096	},	4078	};
3097	);	4079	};
3098	}	4080	}
3099		4081
3100	register_command "reload" => sub {	4082	register_command "reload" => sub {
3101	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
3102		4084
3103	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
3104	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
		4087	async {
		4088	$Coro::current->{desc} = "perl_reload";
3105	async { reload_perl };	4089	reload_perl;
		4090	};
3106	}	4091	}
3107	};	4092	};
3108		4093
3109	unshift @INC, $LIBDIR;	4094	#############################################################################
3110		4095
3111	my $bug_warning = 0;	4096	my $bug_warning = 0;
3112		4097
3113	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
3114	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
3115		4100
3116	sub wait_for_tick {	4101	sub wait_for_tick() {
3117	return unless $TICK_WATCHER->is_active;
3118	return if $Coro::current == $Coro::main;	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3119		4103
3120	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
3121	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
3122	$signal->wait;	4106	$signal->wait;
3123	}	4107	}
3124		4108
3125	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
3126	return unless $TICK_WATCHER->is_active;
3127	return if $Coro::current == $Coro::main;	4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3128		4111
3129	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
3130	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
3131	$signal->wait;	4114	$signal->wait;
3132	}	4115	}
3133		4116
3134	my $min = 1e6;#d#	4117	sub tick {
3135	my $avg = 10;
3136	$TICK_WATCHER = Event->timer (
3137	reentrant => 0,
3138	parked => 1,
3139	prio => 0,
3140	at => $NEXT_TICK || $TICK,
3141	data => WF_AUTOCANCEL,
3142	cb => sub {
3143	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
3144	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3145	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
3146	return;	4121	return;
3147	}	4122	}
3148		4123
3149	$NOW = $tick_start = Event::time;
3150
3151	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
3152		4125
3153	0 && sync_job {#d#	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3154	for(1..10) {
3155	my $t = Event::time;
3156	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3157	or die;
3158		4127
3159	$map->width (50);	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3160	$map->height (50);	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3161	$map->alloc;	4130	Coro::async_pool {
3162	$map->_load_objects ("/tmp/x.map", 1);	4131	$Coro::current->{desc} = "runtime saver";
3163	my $t = Event::time - $t;	4132	write_runtime_sync
3164		4133	or error "ERROR: unable to write runtime file: $!";
3165	#next unless $t < 0.0013;#d#
3166	if ($t < $min) {
3167	$min = $t;
3168	}
3169	$avg = $avg * 0.99 + $t * 0.01;
3170	}
3171	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3172	exit 0;
3173	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3174	};	4134	};
		4135	}
3175		4136
3176	$RUNTIME += $TICK;
3177	$NEXT_TICK += $TICK;
3178
3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3180	$NEXT_RUNTIME_WRITE = $NOW + 10;
3181	Coro::async_pool {
3182	write_runtime
3183	or warn "ERROR: unable to write runtime file: $!";
3184	};
3185	}
3186
3187	# my $AFTER = Event::time;
3188	# warn $AFTER - $NOW;#d#
3189
3190	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3191	$sig->send;	4138	$sig->send;
3192	}	4139	}
3193	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
3194	$sig->send;	4141	$sig->send;
3195	}	4142	}
3196		4143
3197	$NOW = Event::time;	4144	$LOAD = ($NOW - $TICK_START) / $TICK;
3198
3199	# if we are delayed by four ticks or more, skip them all
3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3201
3202	$TICK_WATCHER->at ($NEXT_TICK);
3203	$TICK_WATCHER->start;
3204
3205	$LOAD = ($NOW - $tick_start) / $TICK;
3206	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3207		4146
3208	_post_tick;	4147	if (0) {
3209		4148	if ($NEXT_TICK) {
3210		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
3211	},	4153	}
3212	);	4154	}
3213		4155
3214	{	4156	{
3215	BDB::max_poll_time $TICK * 0.1;	4157	# configure BDB
3216	$BDB_POLL_WATCHER = Event->io (	4158
3217	reentrant => 0,
3218	fd => BDB::poll_fileno,
3219	poll => 'r',
3220	prio => 0,
3221	data => WF_AUTOCANCEL,
3222	cb => \&BDB::poll_cb,
3223	);
3224	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
3225		4160	BDB::max_poll_reqs $TICK * 0.1;
3226	BDB::set_sync_prepare {	4161	$AnyEvent::BDB::WATCHER->priority (1);
3227	my $status;
3228	my $current = $Coro::current;
3229	(
3230	sub {
3231	$status = $!;
3232	$current->ready; undef $current;
3233	},
3234	sub {
3235	Coro::schedule while defined $current;
3236	$! = $status;
3237	},
3238	)
3239	};
3240		4162
3241	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
3242	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
		4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3243		4170
3244	cf::sync_job {	4171	cf::sync_job {
3245	eval {	4172	eval {
3246	BDB::db_env_open	4173	BDB::db_env_open
3247	$DB_ENV,	4174	$DB_ENV,
…		…
3249	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3250	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3251	0666;	4178	0666;
3252		4179
3253	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3254
3255	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3256	$DB_ENV->set_lk_detect;
3257	};	4181	};
3258		4182
3259	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
3260	};	4184	};
3261	}	4185	}
		4186
		4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4189	};
		4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4192	};
		4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4195	};
3262	}	4196	}
3263		4197
3264	{	4198	{
		4199	# configure IO::AIO
		4200
3265	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
3266
3267	undef $Coro::AIO::WATCHER;
3268	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
3269	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
3270	reentrant => 0,
3271	data => WF_AUTOCANCEL,
3272	fd => IO::AIO::poll_fileno,
3273	poll => 'r',
3274	prio => 6,
3275	cb => \&IO::AIO::poll_cb,
3276	);
3277	}	4204	}
3278		4205
3279	my $_log_backtrace;	4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
3280		4208
3281	sub _log_backtrace {	4209	sub _log_backtrace {
3282	my ($msg, @addr) = @_;	4210	my ($msg, @addr) = @_;
3283		4211
3284	$msg =~ s/\n//;	4212	$msg =~ s/\n$//;
3285		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3286	# limit the # of concurrent backtraces	4217	# limit the # of concurrent backtraces
3287	if ($_log_backtrace < 2) {	4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
3288	++$_log_backtrace;	4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
3289	async {	4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
3290	my @bt = fork_call {	4225	my @bt = fork_call {
3291	@addr = map { sprintf "%x", $_ } @addr;	4226	@addr = map { sprintf "%x", $_ } @addr;
3292	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3293	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3294	or die "addr2line: $!";	4229	or die "addr2line: $!";
…		…
3302	}	4237	}
3303		4238
3304	@funcs	4239	@funcs
3305	};	4240	};
3306		4241
3307	LOG llevInfo, "[ABT] $msg\n";	4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3308	LOG llevInfo, "[ABT] $_\n" for @bt;	4244	LOG llevInfo, "[ABT] $_\n" for @bt;
3309	--$_log_backtrace;	4245	--$_log_backtrace;
3310	};	4246	};
3311	} else {	4247	} else {
3312	LOG llevInfo, "[ABT] $msg\n";	4248	LOG llevInfo, "[ABT] $msg\n";
3313	LOG llevInfo, "[ABT] [suppressed]\n";	4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3314	}	4250	}
3315	}	4251	}
3316		4252
3317	# load additional modules	4253	# load additional modules
3318	use cf::pod;	4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
3319		4256
3320	END { cf::emergency_save }	4257	END { cf::emergency_save }
3321		4258
3322	1	4259	1
3323		4260

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