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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.532 by root, Thu Apr 29 07:32:34 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
95	binmode STDOUT;	154	binmode STDOUT;
96	binmode STDERR;	155	binmode STDERR;
97		156
98	# read virtual server time, if available	157	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
103	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
104		165
105	mkdir $_	166	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		168
108	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
109		170
110	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		187
112	#############################################################################	188	#############################################################################
113		189
114	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
115		191
…		…
139		215
140	=item $cf::TICK	216	=item $cf::TICK
141		217
142	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
143		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
144	=item %cf::CFG	230	=item %cf::CFG
145		231
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	233	from wherever your confdir points to.
148		234
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		236
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
155	=back	253	=back
156		254
157	=cut	255	=cut
158		256
159	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	264	my $msg = join "", @_;
162		265
163	$msg .= "\n"	266	$msg .= "\n"
164	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
165		268
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		270
168	utf8::encode $msg;
169	LOG llevError, $msg;	271	LOG llevWarn, $msg;
170	};	272	};
171	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
172		287
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		295
180	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	297	# within the Safe compartment.
182	for my $pkg (qw(	298	for my $pkg (qw(
183	cf::global cf::attachable	299	cf::global cf::attachable
184	cf::object cf::object::player	300	cf::object cf::object::player
185	cf::client cf::player	301	cf::client cf::player
186	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
187	cf::map cf::party cf::region	304	cf::party cf::region
188	)) {	305	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	307	}
192		308
193	$Event::DIED = sub {	309	$EV::DIED = sub {
194	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
195	};	311	};
		312
		313	#############################################################################
196		314
197	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
198		316
199	=over 4	317	=over 4
200		318
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	338	$d
221	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
222	}	340	}
223		341
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
227		343
228	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
229		345
230	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
231		347
232	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
233		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
234	=item cf::lock_wait $string	371	=item cf::lock_wait $string
235		372
236	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
237		374
238	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
239		376
240	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
243	returned.	380	returned.
244		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
245	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
247		387
248	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
249		389
250	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
251		391
252	=cut	392	=cut
253		393
254	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
255		395
256	sub lock_wait($) {	396	sub lock_wait($) {
257	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	398	}
265		399
266	sub lock_acquire($) {	400	sub lock_acquire($) {
267	my ($key) = @_;	401	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	402	}
279		403
280	sub lock_active($) {	404	sub lock_active($) {
281	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	406	}
285		407
286	sub freeze_mainloop {	408	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
288		410
289	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
291	};	478	}
292	$TICK_WATCHER->stop;	479	};
293	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
294	}	494	}
295		495
296	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
297		497
298	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		503
304	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
305		505
306	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
307		507
308	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
311		512
312	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
315	fast or be very important.	516	fast or be very important.
…		…
318		519
319	sub sync_job(&) {	520	sub sync_job(&) {
320	my ($job) = @_;	521	my ($job) = @_;
321		522
322	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
		524	my $time = AE::time;
		525
323	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
325		528
326	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	530
328	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
329		532
330	my $busy = 1;	533	my $busy = 1;
331	my @res;	534	my @res;
332		535
333	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	538	@res = eval { $job->() };
335	warn $@ if $@;	539	error $@ if $@;
336	undef $busy;	540	undef $busy;
337	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
338		542
339	while ($busy) {	543	while ($busy) {
340	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
341	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
342		554
343	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
344	} else {	556	} else {
345	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
346		558
…		…
366	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
367		579
368	$coro	580	$coro
369	}	581	}
370		582
371	sub write_runtime {	583	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		584
374	# first touch the runtime file to show we are still running:	585	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
376		589
377	warn "touching runtime...\n";#d#	590	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	591
379	utime undef, undef, $fh;	592	sub fork_call(&@) {
		593	my ($cb, @args) = @_;
		594
		595	# we seemingly have to make a local copy of the whole thing,
		596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
		598
		599	my @res = Coro::Util::fork_eval {
		600	reset_signals;
		601	&$cb
		602	}, @args;
		603
		604	wantarray ? @res : $res[-1]
		605	}
		606
		607	sub objinfo {
		608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
380	}	672	};
		673	cf::cleanup "db_open(db): $@" if $@;
381		674
382	my $guard = cf::lock_acquire "write_runtime";	675	$db
		676	}
383		677
384	warn "starting to write runtime...\n";#d#	678	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		679
388	my $value = $cf::RUNTIME + 90 + 10;	680	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	681	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	682	$DB ||= db_table "db";
		683	};
		684	}
391		685
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	686	sub db_get($$) {
393	and return;	687	my $key = "$_[0]/$_[1]";
394		688
395	# always fsync - this file is important	689	cf::sync_job {
396	aio_fsync $fh	690	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		691
399	# touch it again to show we are up-to-date	692	$! ? ()
400	utime undef, undef, $fh;	693	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	694	}
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
411	}	770	}
412		771
413	=item cf::datalog type => key => value, ...	772	=item cf::datalog type => key => value, ...
414		773
415	Log a datalog packet of the given type with the given key-value pairs.	774	Log a datalog packet of the given type with the given key-value pairs.
416		775
417	=cut	776	=cut
418		777
419	sub datalog($@) {	778	sub datalog($@) {
420	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
422	}	781	}
423		782
424	=back	783	=back
425		784
426	=cut	785	=cut
427		786
428	#############################################################################	787	#############################################################################
429		788
430	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
431		790
432	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
433	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
435		794
436	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	797	Deliantra).
439		798
440	=over 4	799	=over 4
441		800
442	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
443		802
…		…
487	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
488		847
489	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
490	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
491		850
492	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
493	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
494		853
495	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
496		855
497	=over 4	856	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
607		966
608	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		971
613	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	973	my $pkg = shift @arg;
615		974
616	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
621		980
622	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
623	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
624		983
625	} elsif (ref $type) {	984	} elsif (ref $type) {
626	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
627		986
628	} else {	987	} else {
629	shift @arg;	988	shift @arg;
630	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
631	}	990	}
632	}	991	}
633	}	992	}
634		993
635	sub _object_attach {	994	sub _object_attach {
…		…
645	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
646	}	1005	}
647		1006
648	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
649	} else {	1008	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
651	}	1010	}
652		1011
653	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
654	}	1013	}
655		1014
…		…
657	if (ref $_[0]) {	1016	if (ref $_[0]) {
658	_object_attach @_;	1017	_object_attach @_;
659	} else {	1018	} else {
660	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
661	}	1020	}
		1021	_recalc_want;
662	};	1022	};
663		1023
664	# all those should be optimised	1024	# all those should be optimised
665	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
670	reattach ($obj);	1030	reattach ($obj);
671	} else {	1031	} else {
672	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
673	}	1033	}
		1034	_recalc_want;
674	};	1035	};
675		1036
676	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
678		1039
…		…
693	";	1054	";
694	die if $@;	1055	die if $@;
695	}	1056	}
696		1057
697	our $override;	1058	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		1060
700	sub override {	1061	sub override {
701	$override = 1;	1062	$override = 1;
702	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
703	}	1064	}
704		1065
705	sub do_invoke {	1066	sub do_invoke {
706	my $event = shift;	1067	my $event = shift;
707	my $callbacks = shift;	1068	my $callbacks = shift;
708		1069
709	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
710		1071
711	local $override;	1072	local $override;
712		1073
713	for (@$callbacks) {	1074	for (@$callbacks) {
714	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
715		1076
716	if ($@) {	1077	if ($@) {
717	warn "$@";
718	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
719	override;	1079	override;
720	}	1080	}
721		1081
722	return 1 if $override;	1082	return 1 if $override;
723	}	1083	}
724		1084
725	0	1085	0
726	}	1086	}
727		1087
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1089
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1091
732	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
733		1093
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1097
738	=back	1098	=back
739		1099
740	=cut	1100	=cut
741		1101
742	#############################################################################	1102	#############################################################################
743	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
744		1146
745	sub reattach {	1147	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1149	my ($obj) = @_;
748		1150
		1151	# no longer needed after getting rid of delete_package?
749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
750		1153
751	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
752		1155
753	@$registry = ();	1156	@$registry = ();
754		1157
…		…
759	for (@$attach) {	1162	for (@$attach) {
760	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
761	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
762	}	1165	}
763	} else {	1166	} else {
764	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
765	}	1168	}
766	}	1169	}
767	}	1170	}
768		1171
769	cf::attachable->attach (	1172	cf::attachable->attach (
770	prio => -1000000,	1173	prio => -1000000,
771	on_instantiate => sub {	1174	on_instantiate => sub {
772	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
773		1176
774	$data = from_json $data;	1177	$data = decode_json $data;
775		1178
776	for (@$data) {	1179	for (@$data) {
777	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
778		1181
779	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1198	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
797		1200
798	sync_job {	1201	sync_job {
799	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
802		1207
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
807	close $fh;	1215	aio_close $fh;
808		1216
809	if (@$objs) {	1217	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
815	close $fh;	1226	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
817	}	1228	}
818	} else {	1229	} else {
819	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
820	}	1231	}
821		1232
822	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
823	} else {	1237	} else {
824	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
825	}	1239	}
826	} else {	1240	} else {
827	aio_unlink $filename;	1241	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
829	}	1243	}
830	}	1244	};
831	}	1245	}
832		1246
833	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
835		1249
…		…
847	or return;	1261	or return;
848		1262
849	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
851	or return;	1265	or return;
		1266
852	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
853	}	1269	}
854		1270
		1271	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
857	return ($data, $av);	1276	($data, $av)
858	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
859		1284
860	#############################################################################	1285	#############################################################################
861	# command handling &c	1286	# command handling &c
862		1287
863	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1302	}
878		1303
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1305
881	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
882		1311
883	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
884	called.	1313	called.
885		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
886	=cut	1326	=cut
887		1327
888	sub register_extcmd {	1328	sub register_extcmd {
889	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
890		1330
891	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
892	}	1332	}
893		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
894	cf::player->attach (	1342	cf::player->attach (
895	on_command => sub {	1343	on_unknown_command => sub {
896	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
897		1345
898	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
899	or return;	1347	or return;
900		1348
…		…
905	cf::override;	1353	cf::override;
906	},	1354	},
907	on_extcmd => sub {	1355	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
909		1357
910	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1359
912	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
918	} else {	1375	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1377	}
921		1378
922	cf::override;	1379	cf::override;
923	},	1380	},
924	);	1381	);
925		1382
		1383	# "readahead" all extensions
926	sub load_extension {	1384	sub cache_extensions {
927	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
928		1386
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
930	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
931	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}	1390	}
954	die $@;
955	}	1391	};
956		1392
957	push @EXTS, $pkg;	1393	$grp
958	}	1394	}
959		1395
960	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
961	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1403	next unless -r $path;
963	eval {	1404
964	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457
		1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1459	delete $todo{$k};
		1460	} else {
		1461	$done{$k} = delete $todo{$k};
		1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
		1467	}
965	1	1468	}
966	} or warn "$ext not loaded: $@";	1469
		1470	unless ($progress) {
		1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
		1478	}
967	}	1479	};
968	}	1480	}
969		1481
970	#############################################################################	1482	#############################################################################
971		1483
		1484	=back
		1485
972	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
973		1487
974	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
975		1489
976	=cut	1490	=cut
977		1491
978	package cf::player;	1492	package cf::player;
979		1493
980	use Coro::AIO;	1494	use Coro::AIO;
981		1495
982	=head3 cf::player	1496	=head3 cf::player
983		1497
984	=over 4	1498	=over 4
		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
985		1513
986	=item cf::player::find $login	1514	=item cf::player::find $login
987		1515
988	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
989		1517
…		…
1008		1536
1009	sub exists($) {	1537	sub exists($) {
1010	my ($login) = @_;	1538	my ($login) = @_;
1011		1539
1012	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1013	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1014	}	1542	}
1015		1543
1016	sub find($) {	1544	sub find($) {
1017	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1018	my $login = $_[0];	1546	my $login = $_[0];
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1557
1030	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1033	}	1567	}
1034	}	1568	}
1035	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1036		1583
1037	sub save($) {	1584	sub save($) {
1038	my ($pl) = @_;	1585	my ($pl) = @_;
1039		1586
1040	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1045	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1046		1593
1047	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1049		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1050	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1051	Coro::cede;	1603	cf::cede_to_tick;
1052	}	1604	}
1053		1605
1054	sub new($) {	1606	sub new($) {
1055	my ($login) = @_;	1607	my ($login) = @_;
1056		1608
…		…
1062	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1063		1615
1064	$self	1616	$self
1065	}	1617	}
1066		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1067	=item $pl->quit_character	1629	=item $pl->quit_character
1068		1630
1069	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1071		1633
…		…
1075	my ($pl) = @_;	1637	my ($pl) = @_;
1076		1638
1077	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1078		1640
1079	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1081		1643
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1085	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1086		1649
1087	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1124	or return [];	1687	or return [];
1125		1688
1126	my @logins;	1689	my @logins;
1127		1690
1128	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1132		1701
1133	utf8::decode $login;	1702	utf8::decode $login;
1134	push @logins, $login;	1703	push @logins, $login;
1135	}	1704	}
1136		1705
1137	\@logins	1706	\@logins
1138	}	1707	}
1139		1708
1140	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1141		1712
1142	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1143	player. May block.	1714	player. May block.
1144		1715
1145	=cut	1716	=cut
…		…
1163	}	1734	}
1164		1735
1165	\@paths	1736	\@paths
1166	}	1737	}
1167		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
1168	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1169		1744
1170	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1171		1746
1172	=cut	1747	=cut
1173		1748
1174	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1176		1751
1177	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1753	}
1181		1754
1182	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1183		1756
1184	Sends an ext event to the client.	1757	Sends an ext event to the client.
1185		1758
1186	=cut	1759	=cut
1187		1760
1188	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1190		1763
1191	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1192	}	1765	}
1193		1766
1194	=head3 cf::region	1767	=head3 cf::region
1195		1768
1196	=over 4	1769	=over 4
…		…
1199		1772
1200	package cf::region;	1773	package cf::region;
1201		1774
1202	=item cf::region::find_by_path $path	1775	=item cf::region::find_by_path $path
1203		1776
1204	Tries to decuce the probable region for a map knowing only its path.	1777	Tries to decuce the likely region for a map knowing only its path.
1205		1778
1206	=cut	1779	=cut
1207		1780
1208	sub find_by_path($) {	1781	sub find_by_path($) {
1209	my ($path) = @_;	1782	my ($path) = @_;
1210		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
1211	my ($match, $specificity);	1786	my ($match, $specificity);
1212		1787
1213	for my $region (list) {	1788	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1789	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1790	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1791	if $region->specificity > $specificity;
1217	}	1792	}
1218	}	1793	}
1219		1794
…		…
1240	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1242		1817
1243	sub generate_random_map {	1818	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1245	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1246	$self->_create_random_map (	1824	$self->_create_random_map (
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1250	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1251	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1275		1853
1276	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1277	}	1855	}
1278		1856
1279	# also paths starting with '/'	1857	# also paths starting with '/'
1280	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1281		1859
1282	sub thawer_merge {	1860	sub thawer_merge {
1283	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1284		1862
1285	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1286	local $self->{path};	1864	local $self->{path};
1287	local $self->{load_path};	1865	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1866
1291	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1292	}	1868	}
1293		1869
1294	sub normalise {	1870	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1342	return $self;	1918	return $self;
1343	}	1919	}
1344	}	1920	}
1345		1921
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1923	()
1348	}	1924	}
1349		1925
1350	sub init {	1926	sub init {
1351	my ($self) = @_;	1927	my ($self) = @_;
…		…
1373		1949
1374	# the temporary/swap location	1950	# the temporary/swap location
1375	sub save_path {	1951	sub save_path {
1376	my ($self) = @_;	1952	my ($self) = @_;
1377		1953
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1380	}	1956	}
1381		1957
1382	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1383	sub uniq_path {	1959	sub uniq_path {
1384	my ($self) = @_;	1960	my ($self) = @_;
1385		1961
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1388	}	1964	}
1389		1965
1390	# and all this just because we cannot iterate over	1966	sub decay_objects {
1391	# all maps in C++...
1392	sub change_all_map_light {
1393	my ($change) = @_;	1967	my ($self) = @_;
1394		1968
1395	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1396	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1397	}	1972	}
1398		1973
1399	sub unlink_save {	1974	sub unlink_save {
1400	my ($self) = @_;	1975	my ($self) = @_;
1401		1976
…		…
1406		1981
1407	sub load_header_from($) {	1982	sub load_header_from($) {
1408	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1409		1984
1410	utf8::encode $path;	1985	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1416		1994
1417	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1418		1996
1419	1	1997	1
1420	}	1998	}
…		…
1459	$self->load_header_orig	2037	$self->load_header_orig
1460	or return;	2038	or return;
1461	$self->prepare_orig;	2039	$self->prepare_orig;
1462	}	2040	}
1463		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
1464	$self->default_region (cf::region::find_by_path $self->{path})	2045	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2046	unless $self->default_region;
1466		2047
1467	1	2048	1
1468	}	2049	}
…		…
1471	sub find {	2052	sub find {
1472	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1473		2054
1474	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1475		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1477		2059
1478	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";
1480	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1481	or return;	2062	or return;
1482		2063
1483	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1484		2065
1485	$map->load_header	2066	$map->load_header
1486	or return;	2067	or return;
1487		2068
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1491	$map->reset;	2074	$map->reset;
1492	undef $guard;
1493	return find $path;	2075	return find $path;
1494	}	2076	}
1495		2077
1496	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1497	}	2079	}
1498	}	2080	}
1499		2081
1500	sub pre_load { }	2082	sub pre_load { }
1501	sub post_load { }	2083	#sub post_load { } # XS
1502		2084
1503	sub load {	2085	sub load {
1504	my ($self) = @_;	2086	my ($self) = @_;
1505		2087
1506	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1507		2089
1508	my $path = $self->{path};	2090	my $path = $self->{path};
1509		2091
1510	{	2092	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1512		2094
		2095	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2097
1515	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1516		2099
1517	$self->alloc;	2100	$self->alloc;
1518		2101
1519	$self->pre_load;	2102	$self->pre_load;
1520	Coro::cede;	2103	cf::cede_to_tick;
1521		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1523	or return;	2108	or return;
1524		2109
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1526	if delete $self->{load_original};	2111	if delete $self->{load_original};
1527		2112
1528	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2114	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2117	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1533	}	2121	}
1534	}	2122	}
1535		2123
1536	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1537	# now do the right thing for maps	2127	# now do the right thing for maps
1538	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2130	unless $self->difficulty;
1541	Coro::cede;	2131	cf::cede_to_tick;
1542		2132
1543	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2134	$self->decay_objects;
1545	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1546	$self->update_buttons;	2136	$self->update_buttons;
1547	Coro::cede;	2137	cf::cede_to_tick;
1548	$self->set_darkness_map;
1549	Coro::cede;
1550	$self->activate;	2138	$self->activate;
1551	}	2139	}
1552		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2145	}
1555		2146
1556	$self->post_load;	2147	$self->post_load;
1557	}	2148	}
1558		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1559	sub customise_for {	2153	sub customise_for {
1560	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1561		2155
1562	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2157	if $self->per_player;
1564		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1565	$self	2162	$self
1566	}	2163	}
1567		2164
1568	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2166	sub load_neighbours {
1570	my ($map) = @_;	2167	my ($map) = @_;
1571		2168
1572	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1573		2170
1574	for (0 .. 3) {	2171	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1576	or next;	2173	or next;
1577	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1578	or next;	2175	or next;
1579	$neigh->load;	2176	$neigh->load;
1580		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2182	}
1584		2183
1585	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1587	or next;	2187	or next;
1588	$neigh->load;	2188	$neigh->load;
1589	}	2189	}
1590	}	2190	}
1591		2191
…		…
1596	}	2196	}
1597		2197
1598	sub do_load_sync {	2198	sub do_load_sync {
1599	my ($map) = @_;	2199	my ($map) = @_;
1600		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1601	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1602	}	2205	}
1603		2206
1604	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1606		2209
1607	sub find_async {	2210	sub find_async {
1608	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1609		2212
1610	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1611		2214
1612	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2217	}
1615		2218
1616	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1617	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1618	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2226	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2227	$map->load if $v;
		2228	}
1623		2229
1624	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1625	}	2231	}
1626	}	2232	}
1627	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1628	};	2234	};
1629	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1630		2236
1631	()	2237	()
1632	}	2238	}
1633		2239
		2240	# common code, used by both ->save and ->swapout
1634	sub save {	2241	sub _save {
1635	my ($self) = @_;	2242	my ($self) = @_;
1636
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;
1638		2243
1639	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1640		2245
1641	return unless $self->dirty;	2246	return unless $self->dirty;
1642		2247
…		…
1648	return if $self->{deny_save};	2253	return if $self->{deny_save};
1649		2254
1650	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1651		2256
1652	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1654	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1655		2263
1656	if ($uniq) {	2264	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2267	} else {
1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1661	}	2269	}
1662	}	2270	}
1663		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1664	sub swap_out {	2280	sub swap_out {
1665	my ($self) = @_;	2281	my ($self) = @_;
1666		2282
1667	# save first because save cedes
1668	$self->save;
1669
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1672	return if $self->players;	2287	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};
1675		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1676	$self->clear;	2298	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2299	}
1679		2300
1680	sub reset_at {	2301	sub reset_at {
1681	my ($self) = @_;	2302	my ($self) = @_;
1682		2303
1683	# TODO: safety, remove and allow resettable per-player maps	2304	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2305	return 1e99 if $self->{deny_reset};
1686		2306
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2307	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2308	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2309
…		…
1700	my ($self) = @_;	2320	my ($self) = @_;
1701		2321
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2323
1704	return if $self->players;	2324	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2325
1707	warn "resetting map ", $self->path;#d#	2326	cf::trace "resetting map ", $self->path, "\n";
1708		2327
1709	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
1710		2329
1711	# need to save uniques path	2330	# need to save uniques path
1712	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2335	if $uniq;
1717	}	2336	}
1718		2337
1719	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1720		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2342	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2343
1725	$self->unlink_save;	2344	$self->unlink_save;
1726	$self->destroy;	2345	$self->destroy;
1727	}	2346	}
1728		2347
1729	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1730		2349
1731	sub nuke {	2350	sub nuke {
1732	my ($self) = @_;	2351	my ($self) = @_;
1733		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
1734	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1735		2357
1736	$self->unlink_save;	2358	$self->unlink_save;
1737		2359
1738	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
1739	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2365
1744	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
1745		2368
1746	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
		2370	}
		2371
		2372	=item $maps = cf::map::tmp_maps
		2373
		2374	Returns an arrayref with all map paths of currently instantiated and saved
		2375	maps. May block.
		2376
		2377	=cut
		2378
		2379	sub tmp_maps() {
		2380	[
		2381	map {
		2382	utf8::decode $_;
		2383	/\.map$/
		2384	? normalise $_
		2385	: ()
		2386	} @{ aio_readdir $TMPDIR or [] }
		2387	]
		2388	}
		2389
		2390	=item $maps = cf::map::random_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	random maps. May block.
		2394
		2395	=cut
		2396
		2397	sub random_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise "?random/$_"
		2403	: ()
		2404	} @{ aio_readdir $RANDOMDIR or [] }
		2405	]
1747	}	2406	}
1748		2407
1749	=item cf::map::unique_maps	2408	=item cf::map::unique_maps
1750		2409
1751	Returns an arrayref of paths of all shared maps that have	2410	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2411	instantiated unique items. May block.
1753		2412
1754	=cut	2413	=cut
1755		2414
1756	sub unique_maps() {	2415	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2416	[
1758	or return;	2417	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2418	utf8::decode $_;
1764	next if /\.pst$/;	2419	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2421	? ()
1767	push @paths, cf::map::normalise $_;	2422	: normalise $_
		2423	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2424	]
1769
1770	\@paths
1771	}	2425	}
1772		2426
1773	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
1774		2458
1775	=back	2459	=back
1776		2460
1777	=head3 cf::object	2461	=head3 cf::object
1778		2462
…		…
1782		2466
1783	=over 4	2467	=over 4
1784		2468
1785	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
1786		2470
1787	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
1788		2473
1789	=cut	2474	=cut
1790		2475
1791	sub inv_recursive_;	2476	sub inv_recursive_;
1792	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
1795		2480
1796	sub inv_recursive {	2481	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
1798	}	2483	}
1799		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
1800	package cf;	2513	package cf;
1801		2514
1802	=back	2515	=back
1803		2516
1804	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
1813		2526
1814	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
1815		2542
1816	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2544	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
1821		2548
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2550
1824	if ($self->{record_replies}) {	2551	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2553
1826	} else {	2554	} else {
		2555	my $pl = $self->contr;
		2556
		2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2558	my $dialog = $pl->{npc_dialog};
		2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2560
		2561	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2564	}
1829	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
1830	}	2576	}
1831		2577
1832	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
1833		2579
1834	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
1847		2593
1848	=item $player_object->enter_link	2594	=item $player_object->enter_link
1849		2595
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2597
1852	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
1854		2602
1855	Will never block.	2603	Will never block.
1856		2604
1857	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
1858		2606
…		…
1878	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
1879	my ($self) = @_;	2627	my ($self) = @_;
1880		2628
1881	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
1882		2630
		2631	++$self->{_link_recursion};
		2632
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2634
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2636	if $self->map && $self->map->{path} ne "{link}";
1887		2637
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1889	}	2639	}
1890		2640
1891	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
		2643
		2644	return unless $self->contr->active;
1893		2645
1894	my $link_pos = delete $self->{_link_pos};	2646	my $link_pos = delete $self->{_link_pos};
1895		2647
1896	unless ($map) {	2648	unless ($map) {
1897	# restore original map position	2649	# restore original map position
…		…
1908	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
1909	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
1910		2662
1911	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
1914		2666
1915	$map->load;	2667	$map->load;
1916	$map->load_diag;	2668	$map->load_neighbours;
1917		2669
1918	return unless $self->contr->active;	2670	return unless $self->contr->active;
1919	$self->activate_recursive;
1920		2671
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
1923	}	2674	# entering was successful
1924		2675	delete $self->{_link_recursion};
1925	cf::player->attach (	2676	# only activate afterwards, to support waiting in hooks
1926	on_logout => sub {	2677	$self->activate_recursive;
1927	my ($pl) = @_;
1928
1929	# abort map switching before logout
1930	if ($pl->ob->{_link_pos}) {
1931	cf::sync_job {
1932	$pl->ob->leave_link
1933	};
1934	}
1935	},	2678	}
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2679
1939	# try to abort aborted map switching on player login :)	2680	}
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2681
1957	=item $player_object->goto ($path, $x, $y)	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1958		2683
		2684	Moves the player to the given map-path and coordinates by first freezing
		2685	her, loading and preparing them map, calling the provided $check callback
		2686	that has to return the map if sucecssful, and then unfreezes the player on
		2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
		2692
1959	=cut	2693	=cut
		2694
		2695	our $GOTOGEN;
1960		2696
1961	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
		2705
		2706	# do generation counting so two concurrent goto's will be executed in-order
		2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2708
1964	$self->enter_link;	2709	$self->enter_link;
1965		2710
1966	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
1967	my $map = eval {	2733	my $map = eval {
1968	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
		2735
		2736	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2737	$map = $map->customise_for ($self);
		2738	$map = $check->($map, $x, $y, $self) if $check && $map;
		2739	} else {
		2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	}
		2742
1970	$map	2743	$map
		2744	};
		2745
		2746	if ($@) {
		2747	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2748	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2749	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2750
		2751	if ($gen == $self->{_goto_generation}) {
		2752	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
		2754	}
		2755
		2756	$done->($self) if $done;
1975	})->prio (1);	2757	})->prio (1);
1976	}	2758	}
1977		2759
1978	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
1979		2761
…		…
1999	}	2781	}
2000		2782
2001	sub prepare_random_map {	2783	sub prepare_random_map {
2002	my ($exit) = @_;	2784	my ($exit) = @_;
2003		2785
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2788	# that depends on the exit object
2009		2789
2010	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2792	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2017	}	2799	}
2018		2800
2019	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2020		2802
2021	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2024		2806
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2809	undef $fh;
2028	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2029		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2032	}	2818	}
2033	}	2819	}
2034		2820
2035	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2037		2823
2038	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2039		2825
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2826	$self->enter_link;
2052		2827
2053	(async {	2828	(async {
2054	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2055	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
2056	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2057		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
2058	1;	2852	1
2059	}) {	2853	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2064		2858
2065	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2066	$self->leave_link;	2860	$self->leave_link;
2067	}	2861	}
2068	})->prio (1);	2862	})->prio (1);
2069	}	2863	}
2070		2864
…		…
2084		2878
2085	utf8::encode $text;	2879	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2881	}
2088		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
		2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2909
		2910	Send a drawinfo or msg packet to the client, formatting the msg for the
		2911	client if neccessary. C<$type> should be a string identifying the type of
		2912	the message, with C<log> being the default. If C<$color> is negative, suppress
		2913	the message unless the client supports the msg packet.
		2914
		2915	=cut
		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
		3031	sub cf::client::send_msg {
		3032	my ($self, $channel, $msg, $color, @extra) = @_;
		3033
		3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2089	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2090		3071
2091	Sends an exti event to the client.	3072	Sends an ext event to the client.
2092		3073
2093	=cut	3074	=cut
2094		3075
2095	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2097		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
2100	}	3103	}
2101		3104
2102	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2103		3106
2104	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3108	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		3110
2108	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	3112	become reliable at some point in the future.
2110		3113
2111	=cut	3114	=cut
2112		3115
2113	sub cf::client::query {	3116	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	3125	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		3127
2125	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
2127	}	3132	}
2128		3133
2129	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
2130	on_reply => sub {	3140	on_reply => sub {
2131	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
2132		3142
2133	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
2134	# get handled first	3144	# get handled first
…		…
2146	} else {	3156	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	3158	}
2149	}	3159	}
2150	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
2151	);	3187	);
2152		3188
2153	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
2154		3190
2155	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
2171		3207
2172	$coro	3208	$coro
2173	}	3209	}
2174		3210
2175	cf::client->attach (	3211	cf::client->attach (
2176	on_destroy => sub {	3212	on_client_destroy => sub {
2177	my ($ns) = @_;	3213	my ($ns) = @_;
2178		3214
2179	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2180	},	3216	},
2181	);	3217	);
…		…
2196	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2198		3234
2199	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2200		3236
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2202		3242
2203	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2204		3244
2205	=pod	3245	=pod
2206		3246
2207	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2208		3248
2209	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
2210	cf::object::player player	3254	cf::object::player
2211	cf::player peaceful	3255	player
2212	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2213		3262
2214	=cut	3263	=cut
2215		3264
2216	for (	3265	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2218	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2220	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2221	) {	3272	) {
2222	no strict 'refs';	3273	no strict 'refs';
2223	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2224	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2242		3293
2243	my $qcode = $code;	3294	my $qcode = $code;
2244	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2245	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2246		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2247	local $_;	3301	local $_;
2248	local @safe::cf::_safe_eval_args = values %vars;
2249		3302
2250	my $eval =	3303	my $eval =
2251	"do {\n"	3304	"do {\n"
2252	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2253	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2254	. $code	3307	. $code
2255	. "\n}"	3308	. "\n}"
2256	;	3309	;
2257		3310
		3311	if ($CFG{safe_eval}) {
2258	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2259	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2260	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2261		3320
2262	if ($@) {	3321	if ($@) {
2263	warn "$@";	3322	warn "$@",
2264	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2265	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2266	}	3325	}
2267		3326
2268	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2269	}	3328	}
2270		3329
…		…
2284	=cut	3343	=cut
2285		3344
2286	sub register_script_function {	3345	sub register_script_function {
2287	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2288		3347
2289	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2290	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2291	}	3350	}
2292		3351
2293	=back	3352	=back
2294		3353
2295	=cut	3354	=cut
2296
2297	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470		3355
2471	#############################################################################	3356	#############################################################################
2472	# the server's init and main functions	3357	# the server's init and main functions
2473		3358
2474	sub load_facedata($) {	3359	sub load_facedata($) {
2475	my ($path) = @_;	3360	my ($path) = @_;
2476		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2477	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2478		3369
2479	my $facedata;	3370	my $facedata;
2480	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2481	or die "$path: $!";	3372	or die "$path: $!";
2482		3373
2483	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2484		3375
2485	$facedata->{version} == 2	3376	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
2488	{	3388	{
2489	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2490		3390
2491	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3394	cf::face::set_visibility $idx, $info->{visibility};
		3395	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2496	Coro::cede;	3398
		3399	cf::cede_to_tick;
2497	}	3400	}
2498		3401
2499	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2501	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2502	or next;	3406	or next;
		3407
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3411	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3413	}
2508	Coro::cede;	3414
		3415	cf::cede_to_tick;
2509	}	3416	}
2510	}	3417	}
2511		3418
2512	{	3419	{
2513	my $anims = $facedata->{animinfo};	3420	my $anims = $facedata->{animinfo};
2514		3421
2515	while (my ($anim, $info) = each %$anims) {	3422	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3424	cf::cede_to_tick;
2518	}	3425	}
2519		3426
2520	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2521	}	3428	}
2522		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2523	1	3449	1
2524	}	3450	}
2525		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
2526	sub reload_regions {	3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
2527	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
2529	}	3482	}
2530		3483
2531	sub reload_facedata {	3484	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3485	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3486	or die "unable to load facedata\n";
…		…
2541	sub reload_treasures {	3494	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2544	}	3497	}
2545		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
2546	sub reload_resources {	3522	sub reload_resources {
2547	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2548		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2549	reload_regions;	3528	reload_regions;
2550	reload_facedata;
2551	reload_archetypes;
2552	reload_treasures;	3529	reload_treasures;
2553		3530
2554	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2555	}	3532	}
2556		3533
2557	sub init {	3534	sub reload_config {
2558	reload_resources;	3535	trace "reloading config file...\n";
2559	}
2560		3536
2561	sub cfg_load {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3538	or return;
2564		3539
2565	local $/;	3540	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2567		3542
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2569		3544
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2572		3547
2573	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2575	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2576	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2577	};	3552	};
2578	warn $@ if $@;	3553	warn $@ if $@;
2579	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2580	}	3585	}
2581		3586
2582	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2583	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3600	(async {
2587	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2589	};	3604	};
2590		3605
2591	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
2592	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2593	load_extensions;	3629	load_extensions;
2594		3630
2595	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2596	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2597	}	3644	}
2598		3645
2599	#############################################################################	3646	#############################################################################
2600	# initialisation and cleanup	3647	# initialisation and cleanup
2601		3648
2602	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2603	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2612	},
2613	);	3655	};
		3656	}
		3657	}
		3658
		3659	sub write_runtime_sync {
		3660	my $t0 = AE::time;
		3661
		3662	# first touch the runtime file to show we are still running:
		3663	# the fsync below can take a very very long time.
		3664
		3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3666
		3667	my $guard = cf::lock_acquire "write_runtime";
		3668
		3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3670	or return;
		3671
		3672	my $value = $cf::RUNTIME + 90 + 10;
		3673	# 10 is the runtime save interval, for a monotonic clock
		3674	# 60 allows for the watchdog to kill the server.
		3675
		3676	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3677	and return;
		3678
		3679	# always fsync - this file is important
		3680	aio_fsync $fh
		3681	and return;
		3682
		3683	# touch it again to show we are up-to-date
		3684	aio_utime $fh, undef, undef;
		3685
		3686	close $fh
		3687	or return;
		3688
		3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3690	and return;
		3691
		3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3693
2614	}	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2615	}	3745	}
2616		3746
2617	sub emergency_save() {	3747	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2619		3749
2620	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2621		3751
2622	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2623	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2624	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2625	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2627	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3766	$pl->save;
2631	}	3767	}
2632	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2633		3769
2634	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2635	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2636	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2637	$map->valid or next;	3773	$map->valid or next;
2638	$map->save;	3774	$map->save;
2639	}	3775	}
2640	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2641		3777
2642	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2645	};	3785	};
2646		3786
2647	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
2648	}	3793	}
2649		3794
2650	sub post_cleanup {	3795	sub post_cleanup {
2651	my ($make_core) = @_;	3796	my ($make_core) = @_;
2652		3797
2653	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
2655	}	3828	}
2656		3829
2657	sub do_reload_perl() {	3830	sub do_reload_perl() {
2658	# can/must only be called in main	3831	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2660	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2661	return;	3834	return;
2662	}	3835	}
2663		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2664	warn "reloading...";	3842	info "reloading...";
2665		3843
2666	warn "entering sync_job";	3844	trace "entering sync_job";
2667		3845
2668	cf::sync_job {	3846	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2670	cf::emergency_save;	3848	cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2672		3850
2673	warn "syncing database to disk";	3851	trace "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3853
2676	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2677		3855
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2689	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();
2697
2698	warn "removing commands";
2699	%COMMAND = ();
2700
2701	warn "removing ext commands";
2702	%EXTCMD = ();
2703
2704	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";
2707
2708	if (my $cb = $pkg->can ("unload")) {
2709	eval {
2710	$cb->($pkg);
2711	1
2712	} or warn "$pkg unloaded, but with errors: $@";
2713	}	3859	}
2714		3860
2715	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2716	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2717	}	3863	%EXT_CORO = ();
2718		3864
2719	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2720	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2723	warn "... unloading $k";	3874	trace "... unloading $pkg";
2724	delete $INC{$k};
2725		3875
2726	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;
2728
2729	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2730	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2731	}	3885	}
2732		3886
2733	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
2734	}	3902	}
2735		3903
2736	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		3907
2740	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2743		3911
2744	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2745	# and global variables created in xs	3913	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2747		3915
2748	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
2749		3917
2750	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2751	require cf;	3919	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2753		3921
2754	warn "loading config and database again";	3922	trace "loading config and database again";
2755	cf::cfg_load;	3923	cf::reload_config;
2756		3924
2757	warn "loading extensions";	3925	trace "loading extensions";
2758	cf::load_extensions;	3926	cf::load_extensions;
2759		3927
		3928	if ($REATTACH_ON_RELOAD) {
2760	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
2763	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
2766		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
2767	warn "leaving sync_job";	3940	trace "leaving sync_job";
2768		3941
2769	1	3942	1
2770	} or do {	3943	} or do {
2771	warn $@;	3944	error $@;
2772	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
2773	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
2774	};	3950	}
2775		3951
2776	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
2777	};	3954	};
2778		3955
2779	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
2780		3957
2781	sub reload_perl() {	3958	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
2784		3961
2785	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
2786	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
2787	after => 0,	3964
2788	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2789	cb => sub {
2790	do_reload_perl;	3966	do_reload_perl;
2791	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
2792	},	3968	};
2793	);	3969	};
2794	}	3970	}
2795		3971
2796	register_command "reload" => sub {	3972	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2798		3974
2799	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3979	reload_perl;
		3980	};
2802	}	3981	}
2803	};	3982	};
2804		3983
2805	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2806		3985
…		…
2808		3987
2809	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
2811		3990
2812	sub wait_for_tick {	3991	sub wait_for_tick {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2815		3993
2816	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	3996	$signal->wait;
2819	}	3997	}
2820		3998
2821	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2824		4001
2825	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	4004	$signal->wait;
2828	}	4005	}
2829		4006
2830	$TICK_WATCHER = Event->timer (	4007	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
2840	return;	4011	return;
2841	}	4012	}
2842		4013
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2846		4015
2847	$RUNTIME += $TICK;	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2848	$NEXT_TICK += $TICK;
2849		4017
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	4020	Coro::async_pool {
		4021	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	4022	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	4023	or error "ERROR: unable to write runtime file: $!";
2855	};
2856	}	4024	};
		4025	}
2857		4026
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	4028	$sig->send;
2869	}	4029	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	4031	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	4032	}
2876	);	4033
		4034	$LOAD = ($NOW - $TICK_START) / $TICK;
		4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4036
		4037	if (0) {
		4038	if ($NEXT_TICK) {
		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
		4043	}
		4044	}
2877		4045
2878	{	4046	{
2879	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	4048
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
2889		4050	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		4052
2905	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		4060
2908	cf::sync_job {	4061	cf::sync_job {
2909	eval {	4062	eval {
2910	BDB::db_env_open	4063	BDB::db_env_open
2911	$DB_ENV,	4064	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4066	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4067	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	4068	0666;
2916		4069
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4070	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	4071	};
2922		4072
2923	cf::cleanup "db_env_open(db): $@" if $@;	4073	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	4074	};
2925	}	4075	}
		4076
		4077	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4078	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4079	};
		4080	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4081	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4082	};
		4083	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4084	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4085	};
2926	}	4086	}
2927		4087
2928	{	4088	{
		4089	# configure IO::AIO
		4090
2929	IO::AIO::min_parallel 8;	4091	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	4092	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	4093	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	4094	}
2942		4095
2943	my $_log_backtrace;	4096	my $_log_backtrace;
2944		4097
2945	sub _log_backtrace {	4098	sub _log_backtrace {
…		…
2948	$msg =~ s/\n//;	4101	$msg =~ s/\n//;
2949		4102
2950	# limit the # of concurrent backtraces	4103	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	4104	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	4105	++$_log_backtrace;
		4106	my $perl_bt = Carp::longmess $msg;
2953	async {	4107	async {
		4108	$Coro::current->{desc} = "abt $msg";
		4109
2954	my @bt = fork_call {	4110	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	4111	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4112	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4113	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	4114	or die "addr2line: $!";
…		…
2966	}	4122	}
2967		4123
2968	@funcs	4124	@funcs
2969	};	4125	};
2970		4126
2971	LOG llevInfo, "[ABT] $msg\n";	4127	LOG llevInfo, "[ABT] $perl_bt\n";
		4128	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	4129	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	4130	--$_log_backtrace;
2974	};	4131	};
2975	} else {	4132	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	4133	LOG llevInfo, "[ABT] $msg\n";
2977	LOG llevInfo, "[ABT] [suppressed]\n";	4134	LOG llevInfo, "[ABT] [suppressed]\n";
2978	}	4135	}
2979	}	4136	}
2980		4137
2981	# load additional modules	4138	# load additional modules
2982	use cf::pod;	4139	require "cf/$_.pm" for @EXTRA_MODULES;
		4140	cf::_connect_to_perl_2;
2983		4141
2984	END { cf::emergency_save }	4142	END { cf::emergency_save }
2985		4143
2986	1	4144	1
2987		4145

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