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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.540 by root, Tue May 4 23:32:29 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		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;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	121	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
69		130
70	our %CFG;	131	our %CFG;
71		132
72	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
74		136
75	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		140
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $REALLY_UNLOOP; # never set to true, please :)
		153
87	binmode STDOUT;	154	binmode STDOUT;
88	binmode STDERR;	155	binmode STDERR;
89		156
90	# read virtual server time, if available	157	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
95	}	162	}
96		163
97	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
98	mkdir cf::localdir . "/" . cf::playerdir;	165
99	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
100	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		168
104	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
105		170
106	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::"} };
107		187
108	#############################################################################	188	#############################################################################
109		189
110	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
111		191
…		…
118	=item $cf::RUNTIME	198	=item $cf::RUNTIME
119		199
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	201	every server tick.
122		202
123	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		206
125	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
127		211
128	=item $cf::NOW	212	=item $cf::NOW
129		213
130	The time of the last (current) server tick.	214	The time of the last (current) server tick.
131		215
132	=item $cf::TICK	216	=item $cf::TICK
133		217
134	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	230	=item %cf::CFG
137		231
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	233	from wherever your confdir points to.
140		234
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		236
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	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.
147		252
148	=back	253	=back
149		254
150	=cut	255	=cut
151		256
152	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
153	*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 {
154	my $msg = join "", @_;	264	my $msg = join "", @_;
155	utf8::encode $msg;
156		265
157	$msg .= "\n"	266	$msg .= "\n"
158	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
159		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
160	LOG llevError, $msg;	271	LOG llevWarn, $msg;
161	};	272	};
162	}	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	};
163		287
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		295
171	# 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
172	# within the Safe compartment.	297	# within the Safe compartment.
173	for my $pkg (qw(	298	for my $pkg (qw(
174	cf::global cf::attachable	299	cf::global cf::attachable
175	cf::object cf::object::player	300	cf::object cf::object::player
176	cf::client cf::player	301	cf::client cf::player
177	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
178	cf::map cf::party cf::region	304	cf::party cf::region
179	)) {	305	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	307	}
183		308
184	$Event::DIED = sub {	309	$EV::DIED = sub {
185	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
186	};	311	};
		312
		313	#############################################################################
187		314
188	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
189		316
190	=over 4	317	=over 4
191		318
…		…
210	$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;
211	$d	338	$d
212	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
213	}	340	}
214		341
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
218		343
219	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
220		345
221	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
222		347
223	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
224		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
225	=item cf::lock_wait $string	371	=item cf::lock_wait $string
226		372
227	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
228		374
229	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
230		376
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
234	returned.	380	returned.
235		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
236	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
237	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
238		387
239	=cut	388	=item $locked = cf::lock_active $string
240		389
241	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
242		395
243	sub lock_wait($) {	396	sub lock_wait($) {
244	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	398	}
252		399
253	sub lock_acquire($) {	400	sub lock_acquire($) {
254	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
255		403
256	# wait, to be sure we are not locked	404	sub lock_active($) {
257	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	406	}
266		407
267	sub freeze_mainloop {	408	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
269		410
270	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
271	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
272	};	478	}
273	$TICK_WATCHER->stop;	479	};
274	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
275	}	494	}
276		495
277	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
278		497
279	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		503
285	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
286		505
287	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
288		507
289	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
292		512
293	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
296	fast or be very important.	516	fast or be very important.
…		…
298	=cut	518	=cut
299		519
300	sub sync_job(&) {	520	sub sync_job(&) {
301	my ($job) = @_;	521	my ($job) = @_;
302		522
303	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
304	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
306		528
307	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	530
309	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
310		532
311	my $busy = 1;	533	my $busy = 1;
312	my @res;	534	my @res;
313		535
314	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	538	@res = eval { $job->() };
316	warn $@ if $@;	539	error $@ if $@;
317	undef $busy;	540	undef $busy;
318	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
319		542
320	while ($busy) {	543	while ($busy) {
321	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
322	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
323		554
324	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
325	} else {	556	} else {
326	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
327		558
…		…
347	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
348		579
349	$coro	580	$coro
350	}	581	}
351		582
352	sub write_runtime {	583	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		584
355	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		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.
356		589
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
358	or return;
359		591
360	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		594
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
365	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
366		598
367	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	600	reset_signals;
369	and return;	601	&$cb
		602	}, @args;
370		603
371	close $fh	604	wantarray ? @res : $res[-1]
372	or return;	605	}
373		606
374	aio_rename "$runtime~", $runtime	607	sub objinfo {
375	and return;
376
377	1	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	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
378	}	772	}
379		773
380	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
381		775
382	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
383		777
384	=cut	778	=cut
385		779
386	sub datalog($@) {	780	sub datalog($@) {
387	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	783	}
390		784
391	=back	785	=back
392		786
393	=cut	787	=cut
394		788
395	#############################################################################	789	#############################################################################
396		790
397	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
398		792
399	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
402		796
403	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	799	Deliantra).
406		800
407	=over 4	801	=over 4
408		802
409	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
410		804
…		…
454	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
455		849
456	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
458		852
459	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
461		855
462	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
463		857
464	=over 4	858	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
574		968
575	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		973
580	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	975	my $pkg = shift @arg;
582		976
583	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
588		982
589	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		985
592	} elsif (ref $type) {	986	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
594		988
595	} else {	989	} else {
596	shift @arg;	990	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
598	}	992	}
599	}	993	}
600	}	994	}
601		995
602	sub _object_attach {	996	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
613	}	1007	}
614		1008
615	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
616	} else {	1010	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1012	}
619		1013
620	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
621	}	1015	}
622		1016
…		…
624	if (ref $_[0]) {	1018	if (ref $_[0]) {
625	_object_attach @_;	1019	_object_attach @_;
626	} else {	1020	} else {
627	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
628	}	1022	}
		1023	_recalc_want;
629	};	1024	};
630		1025
631	# all those should be optimised	1026	# all those should be optimised
632	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1032	reattach ($obj);
638	} else {	1033	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
640	}	1035	}
		1036	_recalc_want;
641	};	1037	};
642		1038
643	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
645		1041
…		…
660	";	1056	";
661	die if $@;	1057	die if $@;
662	}	1058	}
663		1059
664	our $override;	1060	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1062
667	sub override {	1063	sub override {
668	$override = 1;	1064	$override = 1;
669	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
670	}	1066	}
671		1067
672	sub do_invoke {	1068	sub do_invoke {
673	my $event = shift;	1069	my $event = shift;
674	my $callbacks = shift;	1070	my $callbacks = shift;
675		1071
676	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
677		1073
678	local $override;	1074	local $override;
679		1075
680	for (@$callbacks) {	1076	for (@$callbacks) {
681	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
682		1078
683	if ($@) {	1079	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1081	override;
687	}	1082	}
688		1083
689	return 1 if $override;	1084	return 1 if $override;
690	}	1085	}
691		1086
692	0	1087	0
693	}	1088	}
694		1089
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1091
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1093
699	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
700		1095
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1099
705	=back	1100	=back
706		1101
707	=cut	1102	=cut
708		1103
709	#############################################################################	1104	#############################################################################
710	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
711		1148
712	sub reattach {	1149	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1151	my ($obj) = @_;
715		1152
		1153	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1155
718	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
719		1157
720	@$registry = ();	1158	@$registry = ();
721		1159
…		…
726	for (@$attach) {	1164	for (@$attach) {
727	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
729	}	1167	}
730	} else {	1168	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1170	}
733	}	1171	}
734	}	1172	}
735		1173
736	cf::attachable->attach (	1174	cf::attachable->attach (
737	prio => -1000000,	1175	prio => -1000000,
738	on_instantiate => sub {	1176	on_instantiate => sub {
739	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
740		1178
741	$data = from_json $data;	1179	$data = decode_json $data;
742		1180
743	for (@$data) {	1181	for (@$data) {
744	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
745		1183
746	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1200	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
764		1202
765	sync_job {	1203	sync_job {
766	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
769		1209
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
774	close $fh;	1217	aio_close $fh;
775		1218
776	if (@$objs) {	1219	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
782	close $fh;	1228	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
784	}	1230	}
785	} else {	1231	} else {
786	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
787	}	1233	}
788		1234
789	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1239	} else {
791	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
792	}	1241	}
793	} else {	1242	} else {
794	aio_unlink $filename;	1243	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
796	}	1245	}
797	}	1246	};
798	}	1247	}
799		1248
800	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
802		1251
…		…
814	or return;	1263	or return;
815		1264
816	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
818	or return;	1267	or return;
		1268
819	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
820	}	1271	}
821		1272
		1273	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
824	return ($data, $av);	1278	($data, $av)
825	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
826		1286
827	#############################################################################	1287	#############################################################################
828	# command handling &c	1288	# command handling &c
829		1289
830	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1304	}
845		1305
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1307
848	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
849		1313
850	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
851	called.	1315	called.
852		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
853	=cut	1328	=cut
854		1329
855	sub register_extcmd {	1330	sub register_extcmd {
856	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
857		1332
858	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
859	}	1334	}
860		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
861	cf::player->attach (	1344	cf::player->attach (
862	on_command => sub {	1345	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
864		1347
865	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
866	or return;	1349	or return;
867		1350
…		…
872	cf::override;	1355	cf::override;
873	},	1356	},
874	on_extcmd => sub {	1357	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
876		1359
877	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1361
879	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
885	} else {	1377	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1379	}
888		1380
889	cf::override;	1381	cf::override;
890	},	1382	},
891	);	1383	);
892		1384
		1385	# "readahead" all extensions
893	sub load_extension {	1386	sub cache_extensions {
894	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
895		1388
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1392	}
921	die $@;
922	}	1393	};
923		1394
924	push @EXTS, $pkg;	1395	$grp
925	}	1396	}
926		1397
927	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
928	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1405	next unless -r $path;
930	eval {	1406
931	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
932	1	1471	}
933	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
934	}	1482	};
935	}	1483	}
936		1484
937	#############################################################################	1485	#############################################################################
938		1486
		1487	=back
		1488
939	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
940		1490
941	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
942		1492
943	=cut	1493	=cut
944		1494
945	package cf::player;	1495	package cf::player;
946		1496
…		…
948		1498
949	=head3 cf::player	1499	=head3 cf::player
950		1500
951	=over 4	1501	=over 4
952		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
		1516
953	=item cf::player::find $login	1517	=item cf::player::find $login
954		1518
955	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
956		1520
957	=cut	1521	=cut
958		1522
959	sub playerdir($) {	1523	sub playerdir($) {
960	cf::localdir	1524	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1526	}
966		1527
967	sub path($) {	1528	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1539
979	sub exists($) {	1540	sub exists($) {
980	my ($login) = @_;	1541	my ($login) = @_;
981		1542
982	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
984	}	1545	}
985		1546
986	sub find($) {	1547	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1549	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
999		1560
1000	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1003	}	1570	}
1004	}	1571	}
1005	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1006		1586
1007	sub save($) {	1587	sub save($) {
1008	my ($pl) = @_;	1588	my ($pl) = @_;
1009		1589
1010	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1016		1596
1017	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1019		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1020	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1021	Coro::cede;	1606	cf::cede_to_tick;
1022	}	1607	}
1023		1608
1024	sub new($) {	1609	sub new($) {
1025	my ($login) = @_;	1610	my ($login) = @_;
1026		1611
…		…
1032	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1033		1618
1034	$self	1619	$self
1035	}	1620	}
1036		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1037	=item $pl->quit_character	1632	=item $pl->quit_character
1038		1633
1039	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1041		1636
…		…
1045	my ($pl) = @_;	1640	my ($pl) = @_;
1046		1641
1047	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1048		1643
1049	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1646
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1056		1652
1057	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1089		1685
1090	=cut	1686	=cut
1091		1687
1092	sub list_logins {	1688	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1690	or return [];
1095		1691
1096	my @logins;	1692	my @logins;
1097		1693
1098	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1102		1704
1103	utf8::decode $login;	1705	utf8::decode $login;
1104	push @logins, $login;	1706	push @logins, $login;
1105	}	1707	}
1106		1708
1107	\@logins	1709	\@logins
1108	}	1710	}
1109		1711
1110	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1111		1715
1112	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1113	player. May block.	1717	player. May block.
1114		1718
1115	=cut	1719	=cut
…		…
1133	}	1737	}
1134		1738
1135	\@paths	1739	\@paths
1136	}	1740	}
1137		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1138	=item $player->ext_reply ($msgid, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1139		1747
1140	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1141		1749
1142	=cut	1750	=cut
1143		1751
1144	sub ext_reply($$%) {	1752	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1146		1754
1147	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1756	}
1151		1757
1152	=item $player->ext_event ($type, %msg)	1758	=item $player->ext_msg ($type, @msg)
1153		1759
1154	Sends an ext event to the client.	1760	Sends an ext event to the client.
1155		1761
1156	=cut	1762	=cut
1157		1763
1158	sub ext_event($$%) {	1764	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1765	my ($self, $type, @msg) = @_;
1160		1766
1161	$self->ns->ext_event ($type, %msg);	1767	$self->ns->ext_msg ($type, @msg);
1162	}	1768	}
1163		1769
1164	package cf;	1770	=head3 cf::region
		1771
		1772	=over 4
		1773
		1774	=cut
		1775
		1776	package cf::region;
		1777
		1778	=item cf::region::find_by_path $path
		1779
		1780	Tries to decuce the likely region for a map knowing only its path.
		1781
		1782	=cut
		1783
		1784	sub find_by_path($) {
		1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
		1789	my ($match, $specificity);
		1790
		1791	for my $region (list) {
		1792	if ($region->{match} && $path =~ $region->{match}) {
		1793	($match, $specificity) = ($region, $region->specificity)
		1794	if $region->specificity > $specificity;
		1795	}
		1796	}
		1797
		1798	$match
		1799	}
1165		1800
1166	=back	1801	=back
1167
1168		1802
1169	=head3 cf::map	1803	=head3 cf::map
1170		1804
1171	=over 4	1805	=over 4
1172		1806
…		…
1184	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1186		1820
1187	sub generate_random_map {	1821	sub generate_random_map {
1188	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1189	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1190	$self->_create_random_map (	1827	$self->_create_random_map (
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1194	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1195	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1212		1849
1213	sub register {	1850	sub register {
1214	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1215	my $pkg = caller;	1852	my $pkg = caller;
1216		1853
1217	no strict;
1218	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1219		1855
1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1221	}	1857	}
1222		1858
1223	# also paths starting with '/'	1859	# also paths starting with '/'
1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1225		1861
1226	sub thawer_merge {	1862	sub thawer_merge {
1227	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1228		1864
1229	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1230	local $self->{path};	1866	local $self->{path};
1231	local $self->{load_path};	1867	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1868
1235	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1236	}	1870	}
1237		1871
1238	sub normalise {	1872	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1286	return $self;	1920	return $self;
1287	}	1921	}
1288	}	1922	}
1289		1923
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1925	()
1292	}	1926	}
1293		1927
1294	sub init {	1928	sub init {
1295	my ($self) = @_;	1929	my ($self) = @_;
…		…
1310		1944
1311	# the original (read-only) location	1945	# the original (read-only) location
1312	sub load_path {	1946	sub load_path {
1313	my ($self) = @_;	1947	my ($self) = @_;
1314		1948
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1316	}	1950	}
1317		1951
1318	# the temporary/swap location	1952	# the temporary/swap location
1319	sub save_path {	1953	sub save_path {
1320	my ($self) = @_;	1954	my ($self) = @_;
1321		1955
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1324	}	1958	}
1325		1959
1326	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1327	sub uniq_path {	1961	sub uniq_path {
1328	my ($self) = @_;	1962	my ($self) = @_;
1329		1963
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1332	}	1966	}
1333		1967
1334	# and all this just because we cannot iterate over	1968	sub decay_objects {
1335	# all maps in C++...
1336	sub change_all_map_light {
1337	my ($change) = @_;	1969	my ($self) = @_;
1338		1970
1339	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1340	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1341	}	1974	}
1342		1975
1343	sub unlink_save {	1976	sub unlink_save {
1344	my ($self) = @_;	1977	my ($self) = @_;
1345		1978
…		…
1350		1983
1351	sub load_header_from($) {	1984	sub load_header_from($) {
1352	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1353		1986
1354	utf8::encode $path;	1987	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1360		1996
1361	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1362		1998
1363	1	1999	1
1364	}	2000	}
…		…
1403	$self->load_header_orig	2039	$self->load_header_orig
1404	or return;	2040	or return;
1405	$self->prepare_orig;	2041	$self->prepare_orig;
1406	}	2042	}
1407		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
1408	1	2050	1
1409	}	2051	}
1410		2052
1411	sub find;	2053	sub find;
1412	sub find {	2054	sub find {
1413	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1414		2056
1415	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1416		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1418		2061
1419	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";
1421	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1422	or return;	2064	or return;
1423		2065
1424	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1425		2067
1426	$map->load_header	2068	$map->load_header
1427	or return;	2069	or return;
1428		2070
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1432	$map->reset;	2076	$map->reset;
1433	undef $guard;
1434	return find $path;	2077	return find $path;
1435	}	2078	}
1436		2079
1437	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1438	}	2081	}
1439	}	2082	}
1440		2083
1441	sub pre_load { }	2084	sub pre_load { }
1442	sub post_load { }	2085	#sub post_load { } # XS
1443		2086
1444	sub load {	2087	sub load {
1445	my ($self) = @_;	2088	my ($self) = @_;
1446		2089
1447	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1448		2091
1449	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1451		2096
		2097	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2099
1454	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1455		2101
1456	$self->alloc;	2102	$self->alloc;
1457		2103
1458	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1459		2106
1460	$self->_load_objects ($self->{load_path}, 1)	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1461	or return;	2110	or return;
1462		2111
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1464	if delete $self->{load_original};	2113	if delete $self->{load_original};
1465		2114
1466	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2116	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2119	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1471	}	2123	}
1472	}	2124	}
1473		2125
1474	Coro::cede;	2126	$f->resolve_delayed_derefs;
1475		2127
		2128	cf::cede_to_tick;
1476	# now do the right thing for maps	2129	# now do the right thing for maps
1477	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2132	unless $self->difficulty;
1487	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1488	$self->activate;	2140	$self->activate;
		2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1489	}	2147	}
1490		2148
1491	$self->post_load;	2149	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2150	}
1495		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1496	sub customise_for {	2155	sub customise_for {
1497	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1498		2157
1499	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2159	if $self->per_player;
1501		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1502	$self	2164	$self
1503	}	2165	}
1504		2166
1505	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2168	sub load_neighbours {
1507	my ($map) = @_;	2169	my ($map) = @_;
1508		2170
1509	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1510		2172
1511	for (0 .. 3) {	2173	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1513	or next;	2175	or next;
1514	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1515	or next;	2177	or next;
1516	$neigh->load;	2178	$neigh->load;
1517		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2184	}
1521		2185
1522	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1524	or next;	2189	or next;
1525	$neigh->load;	2190	$neigh->load;
1526	}	2191	}
1527	}	2192	}
1528		2193
1529	sub find_sync {	2194	sub find_sync {
1530	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1531		2196
1532	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1533	}	2201	}
1534		2202
1535	sub do_load_sync {	2203	sub do_load_sync {
1536	my ($map) = @_;	2204	my ($map) = @_;
1537		2205
1538	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1539	}	2210	}
1540		2211
1541	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1543		2214
1544	sub find_async {	2215	sub find_async {
1545	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1546		2217
1547	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1548		2219
1549	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2222	}
1552		2223
1553	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1554	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1555	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2231	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2232	$map->load if $v;
		2233	}
1560		2234
1561	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1562	}	2236	}
1563	}	2237	}
1564	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1565	};	2239	};
1566	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1567		2241
1568	()	2242	()
1569	}	2243	}
1570		2244
		2245	# common code, used by both ->save and ->swapout
1571	sub save {	2246	sub _save {
1572	my ($self) = @_;	2247	my ($self) = @_;
1573
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
1575		2248
1576	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1577		2250
1578	return unless $self->dirty;	2251	return unless $self->dirty;
1579		2252
…		…
1585	return if $self->{deny_save};	2258	return if $self->{deny_save};
1586		2259
1587	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1588		2261
1589	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1591	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1592		2268
1593	if ($uniq) {	2269	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2272	} else {
1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1598	}	2274	}
1599	}	2275	}
1600		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1601	sub swap_out {	2285	sub swap_out {
1602	my ($self) = @_;	2286	my ($self) = @_;
1603		2287
1604	# save first because save cedes
1605	$self->save;
1606
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1609	return if $self->players;	2292	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};
1612		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1613	$self->clear;	2303	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2304	}
1616		2305
1617	sub reset_at {	2306	sub reset_at {
1618	my ($self) = @_;	2307	my ($self) = @_;
1619		2308
1620	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1623		2311
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2314
…		…
1637	my ($self) = @_;	2325	my ($self) = @_;
1638		2326
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2328
1641	return if $self->players;	2329	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2330
1644	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1645		2332
1646	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1647		2334
1648	# need to save uniques path	2335	# need to save uniques path
1649	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2340	if $uniq;
1654	}	2341	}
1655		2342
1656	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1657		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2347	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2348
1662	$self->unlink_save;	2349	$self->unlink_save;
1663	$self->destroy;	2350	$self->destroy;
1664	}	2351	}
1665		2352
1666	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1667		2354
1668	sub nuke {	2355	sub nuke {
1669	my ($self) = @_;	2356	my ($self) = @_;
1670		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1671	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1672		2362
1673	$self->unlink_save;	2363	$self->unlink_save;
1674		2364
1675	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1676	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2370
1681	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1682		2373
1683	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1684	}	2411	}
1685		2412
1686	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1687		2414
1688	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2416	instantiated unique items. May block.
1690		2417
1691	=cut	2418	=cut
1692		2419
1693	sub unique_maps() {	2420	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1695	or return;	2422	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2423	utf8::decode $_;
1701	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2426	? ()
1704	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2429	]
1706
1707	\@paths
1708	}	2430	}
1709		2431
1710	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1711		2463
1712	=back	2464	=back
1713		2465
1714	=head3 cf::object	2466	=head3 cf::object
1715		2467
…		…
1719		2471
1720	=over 4	2472	=over 4
1721		2473
1722	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1723		2475
1724	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1725		2478
1726	=cut	2479	=cut
1727		2480
1728	sub inv_recursive_;	2481	sub inv_recursive_;
1729	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1732		2485
1733	sub inv_recursive {	2486	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1735	}	2488	}
1736		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1737	package cf;	2518	package cf;
1738		2519
1739	=back	2520	=back
1740		2521
1741	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1747	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1748	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1749	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1750		2531
1751	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1752		2547
1753	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2549	# with dialog boxes.
1755	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1756	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1758		2553
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2555
1761	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1763	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1766	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1767	}	2581	}
1768		2582
1769	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1770		2584
1771	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1784		2598
1785	=item $player_object->enter_link	2599	=item $player_object->enter_link
1786		2600
1787	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1788		2602
1789	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1790	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1791		2607
1792	Will never block.	2608	Will never block.
1793		2609
1794	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1795		2611
…		…
1815	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1816	my ($self) = @_;	2632	my ($self) = @_;
1817		2633
1818	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1819		2635
		2636	++$self->{_link_recursion};
		2637
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2639
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1824		2642
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1826	}	2644	}
1827		2645
1828	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1830		2650
1831	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1832		2652
1833	unless ($map) {	2653	unless ($map) {
1834	# restore original map position	2654	# restore original map position
…		…
1845	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1846	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1847		2667
1848	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1851		2671
1852	$map->load;	2672	$map->load;
1853	$map->load_diag;	2673	$map->load_neighbours;
1854		2674
1855	return unless $self->contr->active;	2675	return unless $self->contr->active;
1856	$self->activate_recursive;
1857		2676
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1860	}	2679	# entering was successful
1861		2680	delete $self->{_link_recursion};
1862	cf::player->attach (	2681	# only activate afterwards, to support waiting in hooks
1863	on_logout => sub {	2682	$self->activate_recursive;
1864	my ($pl) = @_;
1865
1866	# abort map switching before logout
1867	if ($pl->ob->{_link_pos}) {
1868	cf::sync_job {
1869	$pl->ob->leave_link
1870	};
1871	}
1872	},	2683	}
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2684
1876	# try to abort aborted map switching on player login :)	2685	}
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893		2686
1894	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1895		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1896	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1897		2701
1898	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2713
1901	$self->enter_link;	2714	$self->enter_link;
1902		2715
1903	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1904	my $map = eval {	2738	my $map = eval {
1905	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1907	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2754	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1912	})->prio (1);	2762	})->prio (1);
1913	}	2763	}
1914		2764
1915	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1916		2766
…		…
1936	}	2786	}
1937		2787
1938	sub prepare_random_map {	2788	sub prepare_random_map {
1939	my ($exit) = @_;	2789	my ($exit) = @_;
1940		2790
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2793	# that depends on the exit object
1946		2794
1947	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2797	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1954	}	2804	}
1955		2805
1956	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1957		2807
1958	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1961		2811
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2814	undef $fh;
1965	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1966		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1969	}	2823	}
1970	}	2824	}
1971		2825
1972	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
1974		2828
1975	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1976		2830
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2831	$self->enter_link;
1989		2832
1990	(async {	2833	(async {
1991	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1992	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
1993	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
1994		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1995	1;	2857	1
1996	}) {	2858	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1998	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1999	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2001		2863
2002	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2003	$self->leave_link;	2865	$self->leave_link;
2004	}	2866	}
2005	})->prio (1);	2867	})->prio (1);
2006	}	2868	}
2007		2869
…		…
2021		2883
2022	utf8::encode $text;	2884	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2886	}
2025		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
2026	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2027		3076
2028	Sends an exti event to the client.	3077	Sends an ext event to the client.
2029		3078
2030	=cut	3079	=cut
2031		3080
2032	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2034		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
2037	}	3108	}
2038		3109
2039	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2040		3111
2041	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		3115
2045	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	3117	become reliable at some point in the future.
2047		3118
2048	=cut	3119	=cut
2049		3120
2050	sub cf::client::query {	3121	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	3130	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		3132
2062	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2064	}	3137	}
2065		3138
2066	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2067	on_reply => sub {	3145	on_reply => sub {
2068	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2069		3147
2070	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2071	# get handled first	3149	# get handled first
…		…
2083	} else {	3161	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	3163	}
2086	}	3164	}
2087	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2088	);	3192	);
2089		3193
2090	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2091		3195
2092	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2108		3212
2109	$coro	3213	$coro
2110	}	3214	}
2111		3215
2112	cf::client->attach (	3216	cf::client->attach (
2113	on_destroy => sub {	3217	on_client_destroy => sub {
2114	my ($ns) = @_;	3218	my ($ns) = @_;
2115		3219
2116	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2117	},	3221	},
2118	);	3222	);
…		…
2133	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2135		3239
2136	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2137		3241
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2139		3247
2140	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2141		3249
2142	=pod	3250	=pod
2143		3251
2144	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2145		3253
2146	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2147	cf::object::player player	3259	cf::object::player
2148	cf::player peaceful	3260	player
2149	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2150		3267
2151	=cut	3268	=cut
2152		3269
2153	for (	3270	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2155	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2157	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2158	) {	3277	) {
2159	no strict 'refs';
2160	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2161	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2162	for @funs;	3280	for @funs;
2163	}	3281	}
2164		3282
…		…
2179		3297
2180	my $qcode = $code;	3298	my $qcode = $code;
2181	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2182	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2183		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2184	local $_;	3305	local $_;
2185	local @safe::cf::_safe_eval_args = values %vars;
2186		3306
2187	my $eval =	3307	my $eval =
2188	"do {\n"	3308	"do {\n"
2189	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2190	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2191	. $code	3311	. $code
2192	. "\n}"	3312	. "\n}"
2193	;	3313	;
2194		3314
		3315	if ($CFG{safe_eval}) {
2195	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2196	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2197	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2198		3324
2199	if ($@) {	3325	if ($@) {
2200	warn "$@";	3326	warn "$@",
2201	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2202	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2203	}	3329	}
2204		3330
2205	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2206	}	3332	}
2207		3333
…		…
2221	=cut	3347	=cut
2222		3348
2223	sub register_script_function {	3349	sub register_script_function {
2224	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2225		3351
2226	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2227	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2228	}	3354	}
2229		3355
2230	=back	3356	=back
2231		3357
2232	=cut	3358	=cut
2233
2234	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305		3359
2306	#############################################################################	3360	#############################################################################
2307	# the server's init and main functions	3361	# the server's init and main functions
2308		3362
		3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
		3366
		3367	if (in_main && !tick_inhibit) {
		3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
		3372
		3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	warn "$dir/$mod\n";#d#
		3376	ref $dir and next;
		3377	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3378	or next;
		3379
		3380	$data = "#line 1 $dir/$mod\n$data";
		3381
		3382	open my $fh, "<", \$data or die;
		3383
		3384	return $fh;
		3385	}
		3386
		3387	()
		3388	}
		3389
		3390	sub init_inc {
		3391	# save original @INC
		3392	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3393
		3394	# make sure we can do scalar-opens
		3395	open my $dummy, "<", \my $dummy2;
		3396
		3397	# execute some stuff so perl load's some of the core modules
		3398	/Ü/ =~ /ü/i;
		3399	eval { &Storable::nstore_fd };
		3400
		3401	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3402
		3403	debug "module loading will be asynchronous from this point on.";
		3404	}
		3405
2309	sub load_facedata {	3406	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3407	my ($path) = @_;
2311		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
2312	warn "loading facedata from $path\n";	3415	trace "loading facedata from $path\n";
2313		3416
2314	my $facedata;	3417	my $facedata;
2315	0 < aio_load $path, $facedata	3418	0 < aio_load $path, $facedata
2316	or die "$path: $!";	3419	or die "$path: $!";
2317		3420
2318	$facedata = Coro::Storable::thaw $facedata;	3421	$facedata = Coro::Storable::thaw $facedata;
2319		3422
2320	$facedata->{version} == 2	3423	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
2323	{	3435	{
2324	my $faces = $facedata->{faceinfo};	3436	my $faces = $facedata->{faceinfo};
2325		3437
2326	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3440
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2331	Coro::cede;	3445
		3446	cf::cede_to_tick;
2332	}	3447	}
2333		3448
2334	while (my ($face, $info) = each %$faces) {	3449	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3450	next unless $info->{smooth};
		3451
2336	my $idx = cf::face::find $face	3452	my $idx = cf::face::find $face
2337	or next;	3453	or next;
		3454
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3455	if (my $smooth = cf::face::find $info->{smooth}) {
		3456	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3458	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3459	error "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3460	}
2343	Coro::cede;	3461
		3462	cf::cede_to_tick;
2344	}	3463	}
2345	}	3464	}
2346		3465
2347	{	3466	{
2348	my $anims = $facedata->{animinfo};	3467	my $anims = $facedata->{animinfo};
2349		3468
2350	while (my ($anim, $info) = each %$anims) {	3469	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3471	cf::cede_to_tick;
2353	}	3472	}
2354		3473
2355	cf::anim::invalidate_all; # d'oh	3474	cf::anim::invalidate_all; # d'oh
2356	}	3475	}
2357		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
2358	1	3496	1
2359	}	3497	}
2360		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
		3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
		3522	load_resource_file "$MAPDIR/regions"
		3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
		3529	}
		3530
		3531	sub reload_facedata {
		3532	load_facedata "$DATADIR/facedata"
		3533	or die "unable to load facedata\n";
		3534	}
		3535
		3536	sub reload_archetypes {
		3537	load_resource_file "$DATADIR/archetypes"
		3538	or die "unable to load archetypes\n";
		3539	}
		3540
		3541	sub reload_treasures {
		3542	load_resource_file "$DATADIR/treasures"
		3543	or die "unable to load treasurelists\n";
		3544	}
		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
2361	sub reload_resources {	3569	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3570	trace "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3571
2364	load_facedata	3572	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3573	reload_sound;
2366	}	3574	reload_archetypes;
2367
2368	sub init {
2369	reload_resources;	3575	reload_regions;
2370	}	3576	reload_treasures;
2371		3577
2372	sub cfg_load {	3578	trace "finished reloading resource files\n";
		3579	}
		3580
		3581	sub reload_config {
		3582	trace "reloading config file...\n";
		3583
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3584	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3585	or return;
2375		3586
2376	local $/;	3587	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = YAML::XS::Load scalar <$fh>;
2378		3589
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2380		3591
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2383		3594
2384	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2386	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3597	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2387	and die "WARNING: m(un)lockall failed: $!\n";	3598	and die "WARNING: m(un)lockall failed: $!\n";
2388	};	3599	};
2389	warn $@ if $@;	3600	warn $@ if $@;
2390	}	3601	}
		3602
		3603	trace "finished reloading resource files\n";
		3604	}
		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
2391	}	3632	}
2392		3633
2393	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2394	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3647	(async {
2398	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2400	};	3651	};
2401		3652
2402	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	init_inc;
		3657
		3658	cf::init_experience;
		3659	cf::init_anim;
		3660	cf::init_attackmess;
		3661	cf::init_dynamic;
		3662
		3663	cf::load_settings;
		3664	cf::load_materials;
		3665
		3666	reload_resources;
		3667	reload_config;
2403	db_init;	3668	db_init;
		3669
		3670	cf::init_uuid;
		3671	cf::init_signals;
		3672	cf::init_skills;
		3673
		3674	cf::init_beforeplay;
		3675
		3676	atomic;
		3677
2404	load_extensions;	3678	load_extensions;
2405		3679
2406	$TICK_WATCHER->start;	3680	utime time, time, $RUNTIMEFILE;
2407	Event::loop;	3681
		3682	# no (long-running) fork's whatsoever before this point(!)
		3683	use POSIX ();
		3684	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3685
		3686	(pop @POST_INIT)->(0) while @POST_INIT;
		3687	};
		3688
		3689	cf::object::thawer::errors_are_fatal 0;
		3690	info "parse errors in files are no longer fatal from this point on.\n";
		3691
		3692	my $free_main; $free_main = EV::idle sub {
		3693	undef $free_main;
		3694	undef &main; # free gobs of memory :)
		3695	};
		3696
		3697	goto &main_loop;
2408	}	3698	}
2409		3699
2410	#############################################################################	3700	#############################################################################
2411	# initialisation and cleanup	3701	# initialisation and cleanup
2412		3702
2413	# install some emergency cleanup handlers	3703	# install some emergency cleanup handlers
2414	BEGIN {	3704	BEGIN {
		3705	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3706	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3707	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3708	cf::cleanup "SIG$signal";
2423	},
2424	);	3709	};
		3710	}
		3711	}
		3712
		3713	sub write_runtime_sync {
		3714	my $t0 = AE::time;
		3715
		3716	# first touch the runtime file to show we are still running:
		3717	# the fsync below can take a very very long time.
		3718
		3719	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3720
		3721	my $guard = cf::lock_acquire "write_runtime";
		3722
		3723	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3724	or return;
		3725
		3726	my $value = $cf::RUNTIME + 90 + 10;
		3727	# 10 is the runtime save interval, for a monotonic clock
		3728	# 60 allows for the watchdog to kill the server.
		3729
		3730	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3731	and return;
		3732
		3733	# always fsync - this file is important
		3734	aio_fsync $fh
		3735	and return;
		3736
		3737	# touch it again to show we are up-to-date
		3738	aio_utime $fh, undef, undef;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3744	and return;
		3745
		3746	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3747
2425	}	3748	1
		3749	}
		3750
		3751	our $uuid_lock;
		3752	our $uuid_skip;
		3753
		3754	sub write_uuid_sync($) {
		3755	$uuid_skip ||= $_[0];
		3756
		3757	return if $uuid_lock;
		3758	local $uuid_lock = 1;
		3759
		3760	my $uuid = "$LOCALDIR/uuid";
		3761
		3762	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3763	or return;
		3764
		3765	my $value = uuid_seq uuid_cur;
		3766
		3767	unless ($value) {
		3768	info "cowardly refusing to write zero uuid value!\n";
		3769	return;
		3770	}
		3771
		3772	my $value = uuid_str $value + $uuid_skip;
		3773	$uuid_skip = 0;
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	close $fh
		3783	or return;
		3784
		3785	aio_rename "$uuid~", $uuid
		3786	and return;
		3787
		3788	trace "uuid file written ($value).\n";
		3789
		3790	1
		3791
		3792	}
		3793
		3794	sub write_uuid($$) {
		3795	my ($skip, $sync) = @_;
		3796
		3797	$sync ? write_uuid_sync $skip
		3798	: async { write_uuid_sync $skip };
2426	}	3799	}
2427		3800
2428	sub emergency_save() {	3801	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3802	my $freeze_guard = cf::freeze_mainloop;
2430		3803
2431	warn "enter emergency perl save\n";	3804	info "emergency_perl_save: enter\n";
		3805
		3806	# this is a trade-off: we want to be very quick here, so
		3807	# save all maps without fsync, and later call a global sync
		3808	# (which in turn might be very very slow)
		3809	local $USE_FSYNC = 0;
2432		3810
2433	cf::sync_job {	3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
		3813
2434	# use a peculiar iteration method to avoid tripping on perl	3814	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3815	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3816	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3817	info "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3818	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3819	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3820	$pl->valid or next;
		3821	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3822	$pl->save;
2442	}	3823	}
2443	warn "end emergency player save\n";	3824	info "emergency_perl_save: end player save\n";
2444		3825
2445	warn "begin emergency map save\n";	3826	cf::write_runtime_sync; # external watchdog should not bark
		3827
		3828	info "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	3829	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3830	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3831	$map->valid or next;
2449	$map->save;	3832	$map->save;
2450	}	3833	}
2451	warn "end emergency map save\n";	3834	info "emergency_perl_save: end map save\n";
2452		3835
2453	warn "begin emergency database checkpoint\n";	3836	cf::write_runtime_sync; # external watchdog should not bark
		3837
		3838	info "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3839	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3840	info "emergency_perl_save: end database checkpoint\n";
		3841
		3842	info "emergency_perl_save: begin write uuid\n";
		3843	write_uuid_sync 1;
		3844	info "emergency_perl_save: end write uuid\n";
		3845
		3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	trace "emergency_perl_save: syncing database to disk";
		3849	BDB::db_env_txn_checkpoint $DB_ENV;
		3850
		3851	info "emergency_perl_save: starting sync\n";
		3852	IO::AIO::aio_sync sub {
		3853	info "emergency_perl_save: finished sync\n";
		3854	};
		3855
		3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	trace "emergency_perl_save: flushing outstanding aio requests";
		3859	while (IO::AIO::nreqs || BDB::nreqs) {
		3860	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3861	}
		3862
		3863	cf::write_runtime_sync; # external watchdog should not bark
2456	};	3864	};
2457		3865
2458	warn "leave emergency perl save\n";	3866	info "emergency_perl_save: leave\n";
2459	}	3867	}
2460		3868
2461	sub post_cleanup {	3869	sub post_cleanup {
2462	my ($make_core) = @_;	3870	my ($make_core) = @_;
2463		3871
		3872	IO::AIO::flush;
		3873
2464	warn Carp::longmess "post_cleanup backtrace"	3874	error Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3875	if $make_core;
2466	}
2467		3876
		3877	my $fh = pidfile;
		3878	unlink $PIDFILE if <$fh> == $$;
		3879	}
		3880
		3881	# a safer delete_package, copied from Symbol
		3882	sub clear_package($) {
		3883	my $pkg = shift;
		3884
		3885	# expand to full symbol table name if needed
		3886	unless ($pkg =~ /^main::.*::$/) {
		3887	$pkg = "main$pkg" if $pkg =~ /^::/;
		3888	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3889	$pkg .= '::' unless $pkg =~ /::$/;
		3890	}
		3891
		3892	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3893	my $stem_symtab = *{$stem}{HASH};
		3894
		3895	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3896	or return;
		3897
		3898	# clear all symbols
		3899	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3900	for my $name (keys %$leaf_symtab) {
		3901	_gv_clear *{"$pkg$name"};
		3902	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3903	}
		3904	}
		3905
2468	sub reload() {	3906	sub do_reload_perl() {
2469	# can/must only be called in main	3907	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3908	if (in_main) {
2471	warn "can only reload from main coroutine";	3909	error "can only reload from main coroutine";
2472	return;	3910	return;
2473	}	3911	}
2474		3912
		3913	return if $RELOAD++;
		3914
		3915	my $t1 = AE::time;
		3916
		3917	while ($RELOAD) {
2475	warn "reloading...";	3918	info "reloading...";
2476		3919
2477	warn "entering sync_job";	3920	trace "entering sync_job";
2478		3921
2479	cf::sync_job {	3922	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark
2481	cf::emergency_save;	3923	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark
2483		3924
2484	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;
2486
2487	# if anything goes wrong in here, we should simply crash as we already saved
2488
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";	3925	trace "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;	3926	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();	3927	%EXT_CORO = ();
2508		3928
2509	warn "removing commands";	3929	trace "removing commands";
2510	%COMMAND = ();	3930	%COMMAND = ();
2511		3931
2512	warn "removing ext commands";	3932	trace "removing ext/exti commands";
2513	%EXTCMD = ();	3933	%EXTCMD = ();
		3934	%EXTICMD = ();
2514		3935
2515	warn "unloading/nuking all extensions";	3936	trace "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3937	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3938	trace "... unloading $pkg";
2518		3939
2519	if (my $cb = $pkg->can ("unload")) {	3940	if (my $cb = $pkg->can ("unload")) {
2520	eval {	3941	eval {
2521	$cb->($pkg);	3942	$cb->($pkg);
2522	1	3943	1
2523	} or warn "$pkg unloaded, but with errors: $@";	3944	} or error "$pkg unloaded, but with errors: $@";
		3945	}
		3946
		3947	trace "... clearing $pkg";
		3948	clear_package $pkg;
2524	}	3949	}
2525		3950
2526	warn "... nuking $pkg";
2527	Symbol::delete_package $pkg;
2528	}
2529
2530	warn "unloading all perl modules loaded from $LIBDIR";	3951	trace "unloading all perl modules loaded from $LIBDIR";
2531	while (my ($k, $v) = each %INC) {	3952	while (my ($k, $v) = each %INC) {
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3953	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3954
2534	warn "... unloading $k";	3955	trace "... unloading $k";
2535	delete $INC{$k};	3956	delete $INC{$k};
2536		3957
2537	$k =~ s/\.pm$//;	3958	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;	3959	$k =~ s/\//::/g;
2539		3960
2540	if (my $cb = $k->can ("unload_module")) {	3961	if (my $cb = $k->can ("unload_module")) {
2541	$cb->();	3962	$cb->();
		3963	}
		3964
		3965	clear_package $k;
2542	}	3966	}
2543		3967
2544	Symbol::delete_package $k;
2545	}
2546
2547	warn "getting rid of safe::, as good as possible";	3968	trace "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3969	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3970	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3971
2551	warn "unloading cf.pm \"a bit\"";	3972	trace "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3973	delete $INC{"cf.pm"};
		3974	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2553		3975
2554	# don't, removes xs symbols, too,	3976	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3977	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3978	#clear_package __PACKAGE__;
2557		3979
2558	warn "unload completed, starting to reload now";	3980	info "unload completed, starting to reload now";
2559		3981
2560	warn "reloading cf.pm";	3982	trace "reloading cf.pm";
2561	require cf;	3983	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3984	cf::_connect_to_perl_1;
2563		3985
2564	warn "loading config and database again";	3986	trace "loading config and database again";
2565	cf::cfg_load;	3987	cf::reload_config;
2566		3988
2567	warn "loading extensions";	3989	trace "loading extensions";
2568	cf::load_extensions;	3990	cf::load_extensions;
2569		3991
		3992	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	3993	trace "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3994	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3995	trace "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3996	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3997	trace "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3998	reattach $_ for values %PLAYER;
		3999	}
2576		4000
2577	warn "loading reloadable resources";	4001	trace "running post_init jobs";
2578	reload_resources;	4002	(pop @POST_INIT)->(1) while @POST_INIT;
2579		4003
2580	warn "leaving sync_job";	4004	trace "leaving sync_job";
2581		4005
2582	1	4006	1
2583	} or do {	4007	} or do {
2584	warn $@;	4008	error $@;
2585	warn "error while reloading, exiting.";	4009	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	4010	};
		4011
		4012	info "reloaded";
		4013	--$RELOAD;
		4014	}
		4015
		4016	$t1 = AE::time - $t1;
		4017	info "reload completed in ${t1}s\n";
		4018	};
		4019
		4020	our $RELOAD_WATCHER; # used only during reload
		4021
		4022	sub reload_perl() {
		4023	# doing reload synchronously and two reloads happen back-to-back,
		4024	# coro crashes during coro_state_free->destroy here.
		4025
		4026	$RELOAD_WATCHER ||= cf::async {
		4027	Coro::AIO::aio_wait cache_extensions;
		4028
		4029	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4030	do_reload_perl;
		4031	undef $RELOAD_WATCHER;
		4032	};
2587	};	4033	};
2588		4034	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		4035
2594	register_command "reload" => sub {	4036	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	4037	my ($who, $arg) = @_;
2596		4038
2597	if ($who->flag (FLAG_WIZ)) {	4039	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	4040	$who->message ("reloading server.");
2599		4041	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	4042	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	4043	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	4044	};
2612	}	4045	}
2613	};	4046	};
2614		4047
2615	unshift @INC, $LIBDIR;	4048	#############################################################################
2616		4049
2617	my $bug_warning = 0;	4050	my $bug_warning = 0;
2618		4051
2619	$TICK_WATCHER = Event->timer (	4052	our @WAIT_FOR_TICK;
2620	reentrant => 0,	4053	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	4054
2622	prio => 0,	4055	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	4056	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	4057
2625	cb => sub {	4058	my $signal = new Coro::Signal;
		4059	push @WAIT_FOR_TICK, $signal;
		4060	$signal->wait;
		4061	}
		4062
		4063	sub wait_for_tick_begin {
		4064	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4065
		4066	my $signal = new Coro::Signal;
		4067	push @WAIT_FOR_TICK_BEGIN, $signal;
		4068	$signal->wait;
		4069	}
		4070
		4071	sub tick {
2626	if ($Coro::current != $Coro::main) {	4072	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4073	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	4074	unless ++$bug_warning > 10;
2629	return;	4075	return;
2630	}	4076	}
2631		4077
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	4078	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		4079
		4080	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4081
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4082	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	4083	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	4084	Coro::async_pool {
		4085	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	4086	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	4087	or error "ERROR: unable to write runtime file: $!";
2643	};
2644	}	4088	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	4089	}
2658	);	4090
		4091	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4092	$sig->send;
		4093	}
		4094	while (my $sig = shift @WAIT_FOR_TICK) {
		4095	$sig->send;
		4096	}
		4097
		4098	$LOAD = ($NOW - $TICK_START) / $TICK;
		4099	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4100
		4101	if (0) {
		4102	if ($NEXT_TICK) {
		4103	my $jitter = $TICK_START - $NEXT_TICK;
		4104	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4105	debug "jitter $JITTER\n";#d#
		4106	}
		4107	}
		4108	}
2659		4109
2660	{	4110	{
2661	BDB::max_poll_time $TICK * 0.1;	4111	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	4112
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	4113	BDB::min_parallel 16;
2671		4114	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	4115	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		4116
2687	unless ($DB_ENV) {	4117	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	4118	$DB_ENV = BDB::db_env_create;
		4119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4120	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4121	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4122	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4123	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		4124
2690	cf::sync_job {	4125	cf::sync_job {
2691	eval {	4126	eval {
2692	BDB::db_env_open	4127	BDB::db_env_open
2693	$DB_ENV,	4128	$DB_ENV,
2694	$BDB_ENV_DIR,	4129	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4130	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4131	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	4132	0666;
2698		4133
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4134	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	4135	};
2704		4136
2705	cf::cleanup "db_env_open(db): $@" if $@;	4137	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	4138	};
2707	}	4139	}
		4140
		4141	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4142	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4143	};
		4144	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4145	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4146	};
		4147	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4148	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4149	};
2708	}	4150	}
2709		4151
2710	{	4152	{
		4153	# configure IO::AIO
		4154
2711	IO::AIO::min_parallel 8;	4155	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	4156	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	4157	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	4158	}
		4159
		4160	my $_log_backtrace;
		4161
		4162	sub _log_backtrace {
		4163	my ($msg, @addr) = @_;
		4164
		4165	$msg =~ s/\n//;
		4166
		4167	# limit the # of concurrent backtraces
		4168	if ($_log_backtrace < 2) {
		4169	++$_log_backtrace;
		4170	my $perl_bt = Carp::longmess $msg;
		4171	async {
		4172	$Coro::current->{desc} = "abt $msg";
		4173
		4174	my @bt = fork_call {
		4175	@addr = map { sprintf "%x", $_ } @addr;
		4176	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4177	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4178	or die "addr2line: $!";
		4179
		4180	my @funcs;
		4181	my @res = <$fh>;
		4182	chomp for @res;
		4183	while (@res) {
		4184	my ($func, $line) = splice @res, 0, 2, ();
		4185	push @funcs, "[$func] $line";
		4186	}
		4187
		4188	@funcs
		4189	};
		4190
		4191	LOG llevInfo, "[ABT] $perl_bt\n";
		4192	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4193	LOG llevInfo, "[ABT] $_\n" for @bt;
		4194	--$_log_backtrace;
		4195	};
		4196	} else {
		4197	LOG llevInfo, "[ABT] $msg\n";
		4198	LOG llevInfo, "[ABT] [suppressed]\n";
		4199	}
		4200	}
		4201
		4202	# load additional modules
		4203	require "cf/$_.pm" for @EXTRA_MODULES;
		4204	cf::_connect_to_perl_2;
2724		4205
2725	END { cf::emergency_save }	4206	END { cf::emergency_save }
2726		4207
2727	1	4208	1
2728		4209

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