ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC vs.
Revision 1.538 by root, Tue May 4 21:45:43 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.52 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
21		54
		55	use JSON::XS 2.01 ();
22	use BDB ();	56	use BDB ();
23	use Data::Dumper;	57	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	58	use Fcntl;
26	use YAML::Syck ();	59	use YAML::XS ();
27	use IO::AIO 2.32 ();	60	use IO::AIO ();
28	use Time::HiRes;	61	use Time::HiRes;
29	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
30		66
31	# configure various modules to our taste	67	# configure various modules to our taste
32	#	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		77
36	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
37		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		80
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	121	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
67		130
68	our %CFG;	131	our %CFG;
69		132
70	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
72		136
73	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		140
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		153
85	binmode STDOUT;	154	binmode STDOUT;
86	binmode STDERR;	155	binmode STDERR;
87		156
88	# read virtual server time, if available	157	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
93	}	162	}
94		163
95	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	165
97	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		168
102	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
103		170
104	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::"} };
105		187
106	#############################################################################	188	#############################################################################
107		189
108	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
109		191
…		…
116	=item $cf::RUNTIME	198	=item $cf::RUNTIME
117		199
118	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
119	every server tick.	201	every server tick.
120		202
121	=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
122		206
123	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		211
126	=item $cf::NOW	212	=item $cf::NOW
127		213
128	The time of the last (current) server tick.	214	The time of the last (current) server tick.
129		215
130	=item $cf::TICK	216	=item $cf::TICK
131		217
132	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	230	=item %cf::CFG
135		231
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	233	from wherever your confdir points to.
138		234
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		236
141	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
142	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
143	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.
144	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.
145		252
146	=back	253	=back
147		254
148	=cut	255	=cut
149		256
150	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
151	*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 {
152	my $msg = join "", @_;	264	my $msg = join "", @_;
153	utf8::encode $msg;
154		265
155	$msg .= "\n"	266	$msg .= "\n"
156	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
157		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
158	LOG llevError, $msg;	271	LOG llevWarn, $msg;
159	};	272	};
160	}	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	};
161		287
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		295
169	# 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
170	# within the Safe compartment.	297	# within the Safe compartment.
171	for my $pkg (qw(	298	for my $pkg (qw(
172	cf::global cf::attachable	299	cf::global cf::attachable
173	cf::object cf::object::player	300	cf::object cf::object::player
174	cf::client cf::player	301	cf::client cf::player
175	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
176	cf::map cf::party cf::region	304	cf::party cf::region
177	)) {	305	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	307	}
181		308
182	$Event::DIED = sub {	309	$EV::DIED = sub {
183	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
184	};	311	};
		312
		313	#############################################################################
185		314
186	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
187		316
188	=over 4	317	=over 4
189		318
…		…
208	$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;
209	$d	338	$d
210	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
211	}	340	}
212		341
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
216		343
217	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
218		345
219	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
220		347
221	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
222		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
223	=item cf::lock_wait $string	371	=item cf::lock_wait $string
224		372
225	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
226		374
227	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
228		376
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
232	returned.	380	returned.
233		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
234	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
235	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
236		387
237	=cut	388	=item $locked = cf::lock_active $string
238		389
239	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
240		395
241	sub lock_wait($) {	396	sub lock_wait($) {
242	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	398	}
250		399
251	sub lock_acquire($) {	400	sub lock_acquire($) {
252	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
253		403
254	# wait, to be sure we are not locked	404	sub lock_active($) {
255	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	406	}
264		407
265	sub freeze_mainloop {	408	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
267		410
268	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
269	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
270	};	478	}
271	$TICK_WATCHER->stop;	479	};
272	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
273	}	494	}
274		495
275	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
276		497
277	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		503
283	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
284		505
285	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
286		507
287	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
290		512
291	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
294	fast or be very important.	516	fast or be very important.
…		…
296	=cut	518	=cut
297		519
298	sub sync_job(&) {	520	sub sync_job(&) {
299	my ($job) = @_;	521	my ($job) = @_;
300		522
301	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
302	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
304		528
305	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	530
307	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
308		532
309	my $busy = 1;	533	my $busy = 1;
310	my @res;	534	my @res;
311		535
312	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	538	@res = eval { $job->() };
314	warn $@ if $@;	539	error $@ if $@;
315	undef $busy;	540	undef $busy;
316	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
317		542
318	while ($busy) {	543	while ($busy) {
319	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
320	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
321		554
322	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
323	} else {	556	} else {
324	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
325		558
…		…
345	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
346		579
347	$coro	580	$coro
348	}	581	}
349		582
350	sub write_runtime {	583	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		584
353	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.
354		589
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
356	or return;
357		591
358	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		594
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
363	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
364		598
365	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	600	reset_signals;
367	and return;	601	&$cb
		602	}, @args;
368		603
369	close $fh	604	wantarray ? @res : $res[-1]
370	or return;	605	}
371		606
372	aio_rename "$runtime~", $runtime	607	sub objinfo {
373	and return;
374
375	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"
376	}	772	}
377		773
378	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
379		775
380	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.
381		777
382	=cut	778	=cut
383		779
384	sub datalog($@) {	780	sub datalog($@) {
385	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	783	}
388		784
389	=back	785	=back
390		786
391	=cut	787	=cut
392		788
393	#############################################################################	789	#############################################################################
394		790
395	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
396		792
397	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
398	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")
399	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
400		796
401	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>
402	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
403	crossfire+).	799	Deliantra).
404		800
405	=over 4	801	=over 4
406		802
407	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
408		804
…		…
452	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
453		849
454	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
456		852
457	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		855
460	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
461		857
462	=over 4	858	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
572		968
573	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		973
578	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	975	my $pkg = shift @arg;
580		976
581	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
586		982
587	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		985
590	} elsif (ref $type) {	986	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
592		988
593	} else {	989	} else {
594	shift @arg;	990	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
596	}	992	}
597	}	993	}
598	}	994	}
599		995
600	sub _object_attach {	996	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
611	}	1007	}
612		1008
613	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
614	} else {	1010	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1012	}
617		1013
618	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
619	}	1015	}
620		1016
…		…
622	if (ref $_[0]) {	1018	if (ref $_[0]) {
623	_object_attach @_;	1019	_object_attach @_;
624	} else {	1020	} else {
625	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
626	}	1022	}
		1023	_recalc_want;
627	};	1024	};
628		1025
629	# all those should be optimised	1026	# all those should be optimised
630	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1032	reattach ($obj);
636	} else {	1033	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
638	}	1035	}
		1036	_recalc_want;
639	};	1037	};
640		1038
641	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
643		1041
…		…
658	";	1056	";
659	die if $@;	1057	die if $@;
660	}	1058	}
661		1059
662	our $override;	1060	our $override;
663	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?
664		1062
665	sub override {	1063	sub override {
666	$override = 1;	1064	$override = 1;
667	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
668	}	1066	}
669		1067
670	sub do_invoke {	1068	sub do_invoke {
671	my $event = shift;	1069	my $event = shift;
672	my $callbacks = shift;	1070	my $callbacks = shift;
673		1071
674	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
675		1073
676	local $override;	1074	local $override;
677		1075
678	for (@$callbacks) {	1076	for (@$callbacks) {
679	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
680		1078
681	if ($@) {	1079	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1081	override;
685	}	1082	}
686		1083
687	return 1 if $override;	1084	return 1 if $override;
688	}	1085	}
689		1086
690	0	1087	0
691	}	1088	}
692		1089
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1091
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1093
697	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
698		1095
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1099
703	=back	1100	=back
704		1101
705	=cut	1102	=cut
706		1103
707	#############################################################################	1104	#############################################################################
708	# 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, $ob2
		1147	}
709		1148
710	sub reattach {	1149	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1151	my ($obj) = @_;
713		1152
		1153	# no longer needed after getting rid of delete_package?
714	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
715		1155
716	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
717		1157
718	@$registry = ();	1158	@$registry = ();
719		1159
…		…
724	for (@$attach) {	1164	for (@$attach) {
725	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
727	}	1167	}
728	} else {	1168	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1170	}
731	}	1171	}
732	}	1172	}
733		1173
734	cf::attachable->attach (	1174	cf::attachable->attach (
735	prio => -1000000,	1175	prio => -1000000,
736	on_instantiate => sub {	1176	on_instantiate => sub {
737	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
738		1178
739	$data = from_json $data;	1179	$data = decode_json $data;
740		1180
741	for (@$data) {	1181	for (@$data) {
742	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
743		1183
744	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1200	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
762		1202
763	sync_job {	1203	sync_job {
764	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
767		1209
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1217	aio_close $fh;
773		1218
774	if (@$objs) {	1219	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1228	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
782	}	1230	}
783	} else {	1231	} else {
784	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
785	}	1233	}
786		1234
787	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1239	} else {
789	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
790	}	1241	}
791	} else {	1242	} else {
792	aio_unlink $filename;	1243	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
794	}	1245	}
795	}	1246	};
796	}	1247	}
797		1248
798	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
800		1251
…		…
812	or return;	1263	or return;
813		1264
814	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
816	or return;	1267	or return;
		1268
817	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
818	}	1271	}
819		1272
		1273	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
822	return ($data, $av);	1278	($data, $av)
823	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
824		1286
825	#############################################################################	1287	#############################################################################
826	# command handling &c	1288	# command handling &c
827		1289
828	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1304	}
843		1305
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1307
846	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.
847		1313
848	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
849	called.	1315	called.
850		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
851	=cut	1328	=cut
852		1329
853	sub register_extcmd {	1330	sub register_extcmd {
854	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
855		1332
856	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
857	}	1334	}
858		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
859	cf::player->attach (	1344	cf::player->attach (
860	on_command => sub {	1345	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
862		1347
863	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
864	or return;	1349	or return;
865		1350
…		…
870	cf::override;	1355	cf::override;
871	},	1356	},
872	on_extcmd => sub {	1357	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
874		1359
875	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1361
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
883	} else {	1377	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1379	}
886		1380
887	cf::override;	1381	cf::override;
888	},	1382	},
889	);	1383	);
890		1384
		1385	# "readahead" all extensions
891	sub load_extension {	1386	sub cache_extensions {
892	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
893		1388
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1392	}
919	die $@;
920	}	1393	};
921		1394
922	push @EXTS, $pkg;	1395	$grp
923	}	1396	}
924		1397
925	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
926	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1405	next unless -r $path;
928	eval {	1406
929	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 $active;
		1470	}
930	1	1471	}
931	} or warn "$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	}
932	}	1482	};
933	}	1483	}
934		1484
935	#############################################################################	1485	#############################################################################
936		1486
		1487	=back
		1488
937	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
938		1490
939	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
940		1492
941	=cut	1493	=cut
942		1494
943	package cf::player;	1495	package cf::player;
944		1496
…		…
946		1498
947	=head3 cf::player	1499	=head3 cf::player
948		1500
949	=over 4	1501	=over 4
950		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
951	=item cf::player::find $login	1517	=item cf::player::find $login
952		1518
953	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
954		1520
955	=cut	1521	=cut
956		1522
957	sub playerdir($) {	1523	sub playerdir($) {
958	cf::localdir	1524	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1526	}
964		1527
965	sub path($) {	1528	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1530
968	(playerdir $login) . "/$login.pl"	1531	(playerdir $login) . "/playerdata"
969	}	1532	}
970		1533
971	sub find_active($) {	1534	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1535	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1536	and $cf::PLAYER{$_[0]}->active
…		…
976		1539
977	sub exists($) {	1540	sub exists($) {
978	my ($login) = @_;	1541	my ($login) = @_;
979		1542
980	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
982	}	1545	}
983		1546
984	sub find($) {	1547	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1549	my $login = $_[0];
987		1550
988	my $guard = cf::lock_acquire "user_find:$login";	1551	my $guard = cf::lock_acquire "user_find:$login";
989		1552
990	$cf::PLAYER{$_[0]} || do {	1553	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1554	# rename old playerfiles to new ones
		1555	#TODO: remove when no longer required
		1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1559	aio_unlink +(playerdir $login) . "/$login.pl";
		1560
		1561	my $f = new_from_file cf::object::thawer path $login
992	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;
993	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
994	}	1570	}
995	}	1571	}
996	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($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	);
997		1586
998	sub save($) {	1587	sub save($) {
999	my ($pl) = @_;	1588	my ($pl) = @_;
1000		1589
1001	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1007		1596
1008	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1010		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
1011	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1012	Coro::cede;	1606	cf::cede_to_tick;
1013	}	1607	}
1014		1608
1015	sub new($) {	1609	sub new($) {
1016	my ($login) = @_;	1610	my ($login) = @_;
1017		1611
…		…
1023	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1024		1618
1025	$self	1619	$self
1026	}	1620	}
1027		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
1028	=item $pl->quit_character	1632	=item $pl->quit_character
1029		1633
1030	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1032		1636
…		…
1036	my ($pl) = @_;	1640	my ($pl) = @_;
1037		1641
1038	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1039		1643
1040	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1041	$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
1042		1646
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1047		1652
1048	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1080		1685
1081	=cut	1686	=cut
1082		1687
1083	sub list_logins {	1688	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1690	or return [];
1086		1691
1087	my @logins;	1692	my @logins;
1088		1693
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1093		1704
1094	utf8::decode $login;	1705	utf8::decode $login;
1095	push @logins, $login;	1706	push @logins, $login;
1096	}	1707	}
1097		1708
1098	\@logins	1709	\@logins
1099	}	1710	}
1100		1711
1101	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1102		1715
1103	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1104	player. May block.	1717	player. May block.
1105		1718
1106	=cut	1719	=cut
…		…
1124	}	1737	}
1125		1738
1126	\@paths	1739	\@paths
1127	}	1740	}
1128		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1130		1747
1131	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1132		1749
1133	=cut	1750	=cut
1134		1751
1135	sub ext_reply($$$%) {	1752	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1137		1754
1138	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1756	}
1142		1757
1143	package cf;	1758	=item $player->ext_msg ($type, @msg)
		1759
		1760	Sends an ext event to the client.
		1761
		1762	=cut
		1763
		1764	sub ext_msg($$@) {
		1765	my ($self, $type, @msg) = @_;
		1766
		1767	$self->ns->ext_msg ($type, @msg);
		1768	}
		1769
		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	}
1144		1800
1145	=back	1801	=back
1146
1147		1802
1148	=head3 cf::map	1803	=head3 cf::map
1149		1804
1150	=over 4	1805	=over 4
1151		1806
…		…
1163	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1165		1820
1166	sub generate_random_map {	1821	sub generate_random_map {
1167	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
1168	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1827	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1198		1856
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1857	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	1858	}
1201		1859
1202	# also paths starting with '/'	1860	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1861	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		1862
1205	sub thawer_merge {	1863	sub thawer_merge {
1206	my ($self, $merge) = @_;	1864	my ($self, $merge) = @_;
1207		1865
1208	# we have to keep some variables in memory intact	1866	# we have to keep some variables in memory intact
1209	local $self->{path};	1867	local $self->{path};
1210	local $self->{load_path};	1868	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1869
1214	$self->SUPER::thawer_merge ($merge);	1870	$self->SUPER::thawer_merge ($merge);
1215	}	1871	}
1216		1872
1217	sub normalise {	1873	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1920	$self->init; # pass $1 etc.
1265	return $self;	1921	return $self;
1266	}	1922	}
1267	}	1923	}
1268		1924
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1925	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1926	()
1271	}	1927	}
1272		1928
1273	sub init {	1929	sub init {
1274	my ($self) = @_;	1930	my ($self) = @_;
…		…
1289		1945
1290	# the original (read-only) location	1946	# the original (read-only) location
1291	sub load_path {	1947	sub load_path {
1292	my ($self) = @_;	1948	my ($self) = @_;
1293		1949
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1950	"$MAPDIR/$self->{path}.map"
1295	}	1951	}
1296		1952
1297	# the temporary/swap location	1953	# the temporary/swap location
1298	sub save_path {	1954	sub save_path {
1299	my ($self) = @_;	1955	my ($self) = @_;
1300		1956
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1957	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1958	"$TMPDIR/$path.map"
1303	}	1959	}
1304		1960
1305	# the unique path, undef == no special unique path	1961	# the unique path, undef == no special unique path
1306	sub uniq_path {	1962	sub uniq_path {
1307	my ($self) = @_;	1963	my ($self) = @_;
1308		1964
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1965	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1966	"$UNIQUEDIR/$path"
1311	}	1967	}
1312		1968
1313	# and all this just because we cannot iterate over	1969	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	1970	my ($self) = @_;
1317		1971
1318	$_->change_map_light ($change)	1972	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	1973
		1974	$self->do_decay_objects;
1320	}	1975	}
1321		1976
1322	sub unlink_save {	1977	sub unlink_save {
1323	my ($self) = @_;	1978	my ($self) = @_;
1324		1979
…		…
1329		1984
1330	sub load_header_from($) {	1985	sub load_header_from($) {
1331	my ($self, $path) = @_;	1986	my ($self, $path) = @_;
1332		1987
1333	utf8::encode $path;	1988	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1989	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1990	or return;
		1991
		1992	$self->_load_header ($f)
		1993	or return;
		1994
		1995	local $MAP_LOADING{$self->{path}} = $self;
		1996	$f->resolve_delayed_derefs;
1339		1997
1340	$self->{load_path} = $path;	1998	$self->{load_path} = $path;
1341		1999
1342	1	2000	1
1343	}	2001	}
…		…
1382	$self->load_header_orig	2040	$self->load_header_orig
1383	or return;	2041	or return;
1384	$self->prepare_orig;	2042	$self->prepare_orig;
1385	}	2043	}
1386		2044
		2045	$self->{deny_reset} = 1
		2046	if $self->no_reset;
		2047
		2048	$self->default_region (cf::region::find_by_path $self->{path})
		2049	unless $self->default_region;
		2050
1387	1	2051	1
1388	}	2052	}
1389		2053
1390	sub find;	2054	sub find;
1391	sub find {	2055	sub find {
1392	my ($path, $origin) = @_;	2056	my ($path, $origin) = @_;
1393		2057
1394	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1395		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2062
1398	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1401	or return;	2065	or return;
1402		2066
1403	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1404		2068
1405	$map->load_header	2069	$map->load_header
1406	or return;	2070	or return;
1407		2071
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1411	$map->reset;	2077	$map->reset;
1412	undef $guard;
1413	return find $path;	2078	return find $path;
1414	}	2079	}
1415		2080
1416	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1417	}	2082	}
1418	}	2083	}
1419		2084
1420	sub pre_load { }	2085	sub pre_load { }
1421	sub post_load { }	2086	#sub post_load { } # XS
1422		2087
1423	sub load {	2088	sub load {
1424	my ($self) = @_;	2089	my ($self) = @_;
1425		2090
1426	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1427		2092
1428	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1430		2097
		2098	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2100
1433	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1434		2102
1435	$self->alloc;	2103	$self->alloc;
1436		2104
1437	$self->pre_load;	2105	$self->pre_load;
		2106	cf::cede_to_tick;
1438		2107
1439	$self->_load_objects ($self->{load_path}, 1)	2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
		2110	$self->_load_objects ($f)
1440	or return;	2111	or return;
1441		2112
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1443	if delete $self->{load_original};	2114	if delete $self->{load_original};
1444		2115
1445	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2117	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2120	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1450	}	2124	}
1451	}	2125	}
1452		2126
1453	Coro::cede;	2127	$f->resolve_delayed_derefs;
1454		2128
		2129	cf::cede_to_tick;
1455	# now do the right thing for maps	2130	# now do the right thing for maps
1456	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2133	unless $self->difficulty;
1466	Coro::cede;	2134	cf::cede_to_tick;
		2135
		2136	unless ($self->{deny_activate}) {
		2137	$self->decay_objects;
		2138	$self->fix_auto_apply;
		2139	$self->update_buttons;
		2140	cf::cede_to_tick;
1467	$self->activate;	2141	$self->activate;
		2142	}
		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
		2147	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2148	}
1469		2149
1470	$self->post_load;	2150	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2151	}
1474		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1475	sub customise_for {	2156	sub customise_for {
1476	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1477		2158
1478	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2160	if $self->per_player;
1480		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1481	$self	2165	$self
1482	}	2166	}
1483		2167
1484	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2169	sub load_neighbours {
1486	my ($map) = @_;	2170	my ($map) = @_;
1487		2171
1488	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1489		2173
1490	for (0 .. 3) {	2174	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1492	or next;	2176	or next;
1493	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1494	or next;	2178	or next;
1495	$neigh->load;	2179	$neigh->load;
1496		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2185	}
1500		2186
1501	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1503	or next;	2190	or next;
1504	$neigh->load;	2191	$neigh->load;
1505	}	2192	}
1506	}	2193	}
1507		2194
1508	sub find_sync {	2195	sub find_sync {
1509	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1510		2197
1511	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1512	}	2202	}
1513		2203
1514	sub do_load_sync {	2204	sub do_load_sync {
1515	my ($map) = @_;	2205	my ($map) = @_;
1516		2206
1517	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1518	}	2211	}
1519		2212
1520	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1522		2215
1523	sub find_async {	2216	sub find_async {
1524	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1525		2218
1526	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1527		2220
1528	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2223	}
1531		2224
1532	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1533	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1534	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2232	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2233	$map->load if $v;
		2234	}
1539		2235
1540	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1541	}	2237	}
1542	}	2238	}
1543	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1544	};	2240	};
1545	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1546		2242
1547	()	2243	()
1548	}	2244	}
1549		2245
		2246	# common code, used by both ->save and ->swapout
1550	sub save {	2247	sub _save {
1551	my ($self) = @_;	2248	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2249
1555	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1556		2251
1557	return unless $self->dirty;	2252	return unless $self->dirty;
1558		2253
…		…
1564	return if $self->{deny_save};	2259	return if $self->{deny_save};
1565		2260
1566	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1567		2262
1568	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1570	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1571		2269
1572	if ($uniq) {	2270	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2273	} else {
1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1577	}	2275	}
1578	}	2276	}
1579		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1580	sub swap_out {	2286	sub swap_out {
1581	my ($self) = @_;	2287	my ($self) = @_;
1582		2288
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1588	return if $self->players;	2293	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1592	$self->clear;	2304	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2305	}
1595		2306
1596	sub reset_at {	2307	sub reset_at {
1597	my ($self) = @_;	2308	my ($self) = @_;
1598		2309
1599	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1602		2312
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2315
…		…
1616	my ($self) = @_;	2326	my ($self) = @_;
1617		2327
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2329
1620	return if $self->players;	2330	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2331
1623	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
1624		2333
1625	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1626		2335
1627	# need to save uniques path	2336	# need to save uniques path
1628	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2341	if $uniq;
1633	}	2342	}
1634		2343
1635	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1636		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2348	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2349
1641	$self->unlink_save;	2350	$self->unlink_save;
1642	$self->destroy;	2351	$self->destroy;
1643	}	2352	}
1644		2353
1645	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1646		2355
1647	sub nuke {	2356	sub nuke {
1648	my ($self) = @_;	2357	my ($self) = @_;
1649		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1650	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1651		2363
1652	$self->unlink_save;	2364	$self->unlink_save;
1653		2365
1654	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2371
1660	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1661		2374
1662	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
		2376	}
		2377
		2378	=item $maps = cf::map::tmp_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1663	}	2412	}
1664		2413
1665	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1666		2415
1667	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2417	instantiated unique items. May block.
1669		2418
1670	=cut	2419	=cut
1671		2420
1672	sub unique_maps() {	2421	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1674	or return;	2423	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2424	utf8::decode $_;
1680	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2427	? ()
1683	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2430	]
1685
1686	\@paths
1687	}	2431	}
1688		2432
1689	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1690		2464
1691	=back	2465	=back
1692		2466
1693	=head3 cf::object	2467	=head3 cf::object
1694		2468
…		…
1698		2472
1699	=over 4	2473	=over 4
1700		2474
1701	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1702		2476
1703	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1704		2479
1705	=cut	2480	=cut
1706		2481
1707	sub inv_recursive_;	2482	sub inv_recursive_;
1708	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1711		2486
1712	sub inv_recursive {	2487	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1714	}	2489	}
1715		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1716	package cf;	2519	package cf;
1717		2520
1718	=back	2521	=back
1719		2522
1720	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1729		2532
1730	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1731		2548
1732	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2550	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1737		2554
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2556
1740	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1742	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1745	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1746	}	2582	}
1747		2583
1748	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1749		2585
1750	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1763		2599
1764	=item $player_object->enter_link	2600	=item $player_object->enter_link
1765		2601
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2603
1768	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1769	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1770		2608
1771	Will never block.	2609	Will never block.
1772		2610
1773	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1774		2612
…		…
1794	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2633	my ($self) = @_;
1796		2634
1797	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1798		2636
		2637	++$self->{_link_recursion};
		2638
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2640
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1803		2643
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2645	}
1806		2646
1807	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1809		2651
1810	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1811		2653
1812	unless ($map) {	2654	unless ($map) {
1813	# restore original map position	2655	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1826		2668
1827	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1830		2672
1831	$map->load;	2673	$map->load;
1832	$map->load_diag;	2674	$map->load_neighbours;
1833		2675
1834	return unless $self->contr->active;	2676	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2677
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
1839	}	2680	# entering was successful
1840		2681	delete $self->{_link_recursion};
1841	cf::player->attach (	2682	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2683	$self->activate_recursive;
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},	2684	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2685
1855	# try to abort aborted map switching on player login :)	2686	}
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2687
1873	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1875	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1876		2702
1877	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2714
1880	$self->enter_link;	2715	$self->enter_link;
1881		2716
1882	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
1883	my $map = eval {	2739	my $map = eval {
1884	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
		2745	} else {
		2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
		2748
1886	$map	2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2755	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1891	})->prio (1);	2763	})->prio (1);
1892	}	2764	}
1893		2765
1894	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1895		2767
…		…
1915	}	2787	}
1916		2788
1917	sub prepare_random_map {	2789	sub prepare_random_map {
1918	my ($exit) = @_;	2790	my ($exit) = @_;
1919		2791
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2794	# that depends on the exit object
1925		2795
1926	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2798	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1933	}	2805	}
1934		2806
1935	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1936		2808
1937	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
1940		2812
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2815	undef $fh;
1944	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
1945		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1948	}	2824	}
1949	}	2825	}
1950		2826
1951	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
1953		2829
1954	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
1955		2831
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2832	$self->enter_link;
1966		2833
1967	(async {	2834	(async {
1968	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
1969	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
1970	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
1971		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
1972	1;	2858	1
1973	}) {	2859	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2864
1979	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	2866	$self->leave_link;
1981	}	2867	}
1982	})->prio (1);	2868	})->prio (1);
1983	}	2869	}
1984		2870
…		…
1998		2884
1999	utf8::encode $text;	2885	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2887	}
2002		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
		3076	=item $client->ext_msg ($type, @msg)
		3077
		3078	Sends an ext event to the client.
		3079
		3080	=cut
		3081
		3082	sub cf::client::ext_msg($$@) {
		3083	my ($self, $type, @msg) = @_;
		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
		3088	push @msg, msgtype => "event_$type";
		3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
		3109	}
2003		3110
2004	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2005		3112
2006	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3116
2010	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3118	become reliable at some point in the future.
2012		3119
2013	=cut	3120	=cut
2014		3121
2015	sub cf::client::query {	3122	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3131	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3133
2027	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2029	}	3138	}
2030		3139
2031	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2032	on_reply => sub {	3146	on_reply => sub {
2033	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2034		3148
2035	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2036	# get handled first	3150	# get handled first
…		…
2048	} else {	3162	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3164	}
2051	}	3165	}
2052	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2053	);	3193	);
2054		3194
2055	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2056		3196
2057	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3213
2074	$coro	3214	$coro
2075	}	3215	}
2076		3216
2077	cf::client->attach (	3217	cf::client->attach (
2078	on_destroy => sub {	3218	on_client_destroy => sub {
2079	my ($ns) = @_;	3219	my ($ns) = @_;
2080		3220
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3222	},
2083	);	3223	);
…		…
2098	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2100		3240
2101	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2102		3242
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2104		3248
2105	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2106		3250
2107	=pod	3251	=pod
2108		3252
2109	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2110		3254
2111	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2112	cf::object::player player	3260	cf::object::player
2113	cf::player peaceful	3261	player
2114	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2115		3268
2116	=cut	3269	=cut
2117		3270
2118	for (	3271	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2123	) {	3278	) {
2124	no strict 'refs';	3279	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3280	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3281	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2144		3299
2145	my $qcode = $code;	3300	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3301	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3302	$qcode =~ s/\n/\\n/g;
2148		3303
		3304	%vars = (_dummy => 0) unless %vars;
		3305
		3306	my @res;
2149	local $_;	3307	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3308
2152	my $eval =	3309	my $eval =
2153	"do {\n"	3310	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3311	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3312	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3313	. $code
2157	. "\n}"	3314	. "\n}"
2158	;	3315	;
2159		3316
		3317	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3318	sub_generation_inc;
		3319	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3320	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3321	sub_generation_inc;
		3322	} else {
		3323	local @cf::_safe_eval_args = values %vars;
		3324	@res = wantarray ? eval eval : scalar eval $eval;
		3325	}
2163		3326
2164	if ($@) {	3327	if ($@) {
2165	warn "$@";	3328	warn "$@",
2166	warn "while executing safe code '$code'\n";	3329	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3330	"with arguments " . (join " ", %vars) . "\n";
2168	}	3331	}
2169		3332
2170	wantarray ? @res : $res[0]	3333	wantarray ? @res : $res[0]
2171	}	3334	}
2172		3335
…		…
2186	=cut	3349	=cut
2187		3350
2188	sub register_script_function {	3351	sub register_script_function {
2189	my ($fun, $cb) = @_;	3352	my ($fun, $cb) = @_;
2190		3353
2191	no strict 'refs';	3354	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3355	*$fun = $safe_hole->wrap ($cb);
2193	}	3356	}
2194		3357
2195	=back	3358	=back
2196		3359
2197	=cut	3360	=cut
2198
2199	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270		3361
2271	#############################################################################	3362	#############################################################################
2272	# the server's init and main functions	3363	# the server's init and main functions
2273		3364
2274	sub load_facedata {	3365	sub load_facedata($) {
2275	my $path = sprintf "%s/facedata", cf::datadir;	3366	my ($path) = @_;
2276		3367
		3368	# HACK to clear player env face cache, we need some signal framework
		3369	# for this (global event?)
		3370	%ext::player_env::MUSIC_FACE_CACHE = ();
		3371
		3372	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3373
2277	warn "loading facedata from $path\n";	3374	trace "loading facedata from $path\n";
2278		3375
2279	my $faces;	3376	my $facedata;
2280	0 < aio_load $path, $faces	3377	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3378	or die "$path: $!";
2282		3379
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3380	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3381
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3382	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3383	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		3384
		3385	# patch in the exptable
		3386	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3387	$facedata->{resource}{"res/exp_table"} = {
		3388	type => FT_RSRC,
		3389	data => $exp_table,
		3390	hash => (Digest::MD5::md5 $exp_table),
		3391	};
		3392	cf::cede_to_tick;
		3393
		3394	{
		3395	my $faces = $facedata->{faceinfo};
		3396
2291	while (my ($face, $info) = each %$faces) {	3397	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3398	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399
		3400	cf::face::set_visibility $idx, $info->{visibility};
		3401	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3402	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3403	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2296	Coro::cede;
2297	}
2298		3404
		3405	cf::cede_to_tick;
		3406	}
		3407
2299	while (my ($face, $info) = each %$faces) {	3408	while (my ($face, $info) = each %$faces) {
2300	next unless $info->{smooth};	3409	next unless $info->{smooth};
		3410
2301	my $idx = cf::face::find $face	3411	my $idx = cf::face::find $face
		3412	or next;
		3413
		3414	if (my $smooth = cf::face::find $info->{smooth}) {
		3415	cf::face::set_smooth $idx, $smooth;
		3416	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3417	} else {
		3418	error "smooth face '$info->{smooth}' not found for face '$face'";
		3419	}
		3420
		3421	cf::cede_to_tick;
		3422	}
		3423	}
		3424
		3425	{
		3426	my $anims = $facedata->{animinfo};
		3427
		3428	while (my ($anim, $info) = each %$anims) {
		3429	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3430	cf::cede_to_tick;
		3431	}
		3432
		3433	cf::anim::invalidate_all; # d'oh
		3434	}
		3435
		3436	{
		3437	my $res = $facedata->{resource};
		3438
		3439	while (my ($name, $info) = each %$res) {
		3440	if (defined $info->{type}) {
		3441	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3442
		3443	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3444	cf::face::set_type $idx, $info->{type};
		3445	} else {
		3446	$RESOURCE{$name} = $info; # unused
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3454
		3455	1
		3456	}
		3457
		3458	register_exticmd fx_want => sub {
		3459	my ($ns, $want) = @_;
		3460
		3461	while (my ($k, $v) = each %$want) {
		3462	$ns->fx_want ($k, $v);
		3463	}
		3464	};
		3465
		3466	sub load_resource_file($) {
		3467	my $guard = lock_acquire "load_resource_file";
		3468
		3469	my $status = load_resource_file_ $_[0];
		3470	get_slot 0.1, 100;
		3471	cf::arch::commit_load;
		3472
		3473	$status
		3474	}
		3475
		3476	sub reload_regions {
		3477	# HACK to clear player env face cache, we need some signal framework
		3478	# for this (global event?)
		3479	%ext::player_env::MUSIC_FACE_CACHE = ();
		3480
		3481	load_resource_file "$MAPDIR/regions"
		3482	or die "unable to load regions file\n";
		3483
		3484	for (cf::region::list) {
		3485	$_->{match} = qr/$_->{match}/
		3486	if exists $_->{match};
		3487	}
		3488	}
		3489
		3490	sub reload_facedata {
		3491	load_facedata "$DATADIR/facedata"
		3492	or die "unable to load facedata\n";
		3493	}
		3494
		3495	sub reload_archetypes {
		3496	load_resource_file "$DATADIR/archetypes"
		3497	or die "unable to load archetypes\n";
		3498	}
		3499
		3500	sub reload_treasures {
		3501	load_resource_file "$DATADIR/treasures"
		3502	or die "unable to load treasurelists\n";
		3503	}
		3504
		3505	sub reload_sound {
		3506	trace "loading sound config from $DATADIR/sound\n";
		3507
		3508	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3509	or die "$DATADIR/sound $!";
		3510
		3511	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3512
		3513	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3514	my $sound = $soundconf->{compat}[$_]
2302	or next;	3515	or next;
2303	if (my $smooth = cf::face::find $info->{smooth}) {
2304	cf::face::set_smooth $idx, $smooth;
2305	} else {
2306	warn "smooth face '$info->{smooth}' not found for face '$face'";
2307	}
2308	Coro::cede;
2309	}
2310		3516
		3517	my $face = cf::face::find "sound/$sound->[1]";
		3518	cf::sound::set $sound->[0] => $face;
		3519	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2311	1	3520	}
		3521
		3522	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3523	my $face = cf::face::find "sound/$v";
		3524	cf::sound::set $k => $face;
		3525	}
2312	}	3526	}
2313		3527
2314	sub reload_resources {	3528	sub reload_resources {
2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3529	trace "reloading resource files...\n";
2316	or die "unable to load regions file\n";#d#	3530
2317	load_facedata	3531	reload_facedata;
2318	or die "unable to load facedata\n";#d#	3532	reload_sound;
2319	}	3533	reload_archetypes;
2320
2321	sub init {
2322	reload_resources;	3534	reload_regions;
2323	}	3535	reload_treasures;
2324		3536
2325	sub cfg_load {	3537	trace "finished reloading resource files\n";
		3538	}
		3539
		3540	sub reload_config {
		3541	trace "reloading config file...\n";
		3542
2326	open my $fh, "<:utf8", cf::confdir . "/config"	3543	open my $fh, "<:utf8", "$CONFDIR/config"
2327	or return;	3544	or return;
2328		3545
2329	local $/;	3546	local $/;
2330	*CFG = YAML::Syck::Load <$fh>;	3547	*CFG = YAML::XS::Load scalar <$fh>;
2331		3548
2332	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3549	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2333		3550
2334	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3551	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2335	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3552	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2336		3553
2337	if (exists $CFG{mlockall}) {	3554	if (exists $CFG{mlockall}) {
…		…
2339	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3556	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2340	and die "WARNING: m(un)lockall failed: $!\n";	3557	and die "WARNING: m(un)lockall failed: $!\n";
2341	};	3558	};
2342	warn $@ if $@;	3559	warn $@ if $@;
2343	}	3560	}
		3561
		3562	trace "finished reloading resource files\n";
		3563	}
		3564
		3565	sub pidfile() {
		3566	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3567	or die "$PIDFILE: $!";
		3568	flock $fh, &Fcntl::LOCK_EX
		3569	or die "$PIDFILE: flock: $!";
		3570	$fh
		3571	}
		3572
		3573	# make sure only one server instance is running at any one time
		3574	sub atomic {
		3575	my $fh = pidfile;
		3576
		3577	my $pid = <$fh>;
		3578	kill 9, $pid if $pid > 0;
		3579
		3580	seek $fh, 0, 0;
		3581	print $fh $$;
		3582	}
		3583
		3584	sub main_loop {
		3585	trace "EV::loop starting\n";
		3586	if (1) {
		3587	EV::loop;
		3588	}
		3589	trace "EV::loop returned\n";
		3590	goto &main_loop unless $REALLY_UNLOOP;
2344	}	3591	}
2345		3592
2346	sub main {	3593	sub main {
		3594	cf::init_globals; # initialise logging
		3595
		3596	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3597	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3598	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3599	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3600
		3601	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3602
2347	# we must not ever block the main coroutine	3603	# we must not ever block the main coroutine
2348	local $Coro::idle = sub {	3604	local $Coro::idle = sub {
2349	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3605	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2350	(async {	3606	(async {
2351	Event::one_event;	3607	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3608	EV::loop EV::LOOP_ONESHOT;
2352	})->prio (Coro::PRIO_MAX);	3609	})->prio (Coro::PRIO_MAX);
2353	};	3610	};
2354		3611
2355	cfg_load;	3612	evthread_start IO::AIO::poll_fileno;
		3613
		3614	cf::sync_job {
		3615	cf::init_experience;
		3616	cf::init_anim;
		3617	cf::init_attackmess;
		3618	cf::init_dynamic;
		3619
		3620	cf::load_settings;
		3621	cf::load_materials;
		3622
		3623	reload_resources;
		3624	reload_config;
2356	db_init;	3625	db_init;
		3626
		3627	cf::init_uuid;
		3628	cf::init_signals;
		3629	cf::init_skills;
		3630
		3631	cf::init_beforeplay;
		3632
		3633	atomic;
		3634
2357	load_extensions;	3635	load_extensions;
2358		3636
2359	$TICK_WATCHER->start;	3637	utime time, time, $RUNTIMEFILE;
2360	Event::loop;	3638
		3639	# no (long-running) fork's whatsoever before this point(!)
		3640	use POSIX ();
		3641	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3642
		3643	(pop @POST_INIT)->(0) while @POST_INIT;
		3644	};
		3645
		3646	cf::object::thawer::errors_are_fatal 0;
		3647	info "parse errors in files are no longer fatal from this point on.\n";
		3648
		3649	main_loop;
2361	}	3650	}
2362		3651
2363	#############################################################################	3652	#############################################################################
2364	# initialisation and cleanup	3653	# initialisation and cleanup
2365		3654
2366	# install some emergency cleanup handlers	3655	# install some emergency cleanup handlers
2367	BEGIN {	3656	BEGIN {
		3657	our %SIGWATCHER = ();
2368	for my $signal (qw(INT HUP TERM)) {	3658	for my $signal (qw(INT HUP TERM)) {
2369	Event->signal (	3659	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2370	reentrant => 0,
2371	data => WF_AUTOCANCEL,
2372	signal => $signal,
2373	prio => 0,
2374	cb => sub {
2375	cf::cleanup "SIG$signal";	3660	cf::cleanup "SIG$signal";
2376	},
2377	);	3661	};
		3662	}
		3663	}
		3664
		3665	sub write_runtime_sync {
		3666	my $t0 = AE::time;
		3667
		3668	# first touch the runtime file to show we are still running:
		3669	# the fsync below can take a very very long time.
		3670
		3671	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3672
		3673	my $guard = cf::lock_acquire "write_runtime";
		3674
		3675	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3676	or return;
		3677
		3678	my $value = $cf::RUNTIME + 90 + 10;
		3679	# 10 is the runtime save interval, for a monotonic clock
		3680	# 60 allows for the watchdog to kill the server.
		3681
		3682	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3683	and return;
		3684
		3685	# always fsync - this file is important
		3686	aio_fsync $fh
		3687	and return;
		3688
		3689	# touch it again to show we are up-to-date
		3690	aio_utime $fh, undef, undef;
		3691
		3692	close $fh
		3693	or return;
		3694
		3695	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3696	and return;
		3697
		3698	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3699
2378	}	3700	1
		3701	}
		3702
		3703	our $uuid_lock;
		3704	our $uuid_skip;
		3705
		3706	sub write_uuid_sync($) {
		3707	$uuid_skip ||= $_[0];
		3708
		3709	return if $uuid_lock;
		3710	local $uuid_lock = 1;
		3711
		3712	my $uuid = "$LOCALDIR/uuid";
		3713
		3714	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3715	or return;
		3716
		3717	my $value = uuid_seq uuid_cur;
		3718
		3719	unless ($value) {
		3720	info "cowardly refusing to write zero uuid value!\n";
		3721	return;
		3722	}
		3723
		3724	my $value = uuid_str $value + $uuid_skip;
		3725	$uuid_skip = 0;
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	close $fh
		3735	or return;
		3736
		3737	aio_rename "$uuid~", $uuid
		3738	and return;
		3739
		3740	trace "uuid file written ($value).\n";
		3741
		3742	1
		3743
		3744	}
		3745
		3746	sub write_uuid($$) {
		3747	my ($skip, $sync) = @_;
		3748
		3749	$sync ? write_uuid_sync $skip
		3750	: async { write_uuid_sync $skip };
2379	}	3751	}
2380		3752
2381	sub emergency_save() {	3753	sub emergency_save() {
2382	my $freeze_guard = cf::freeze_mainloop;	3754	my $freeze_guard = cf::freeze_mainloop;
2383		3755
2384	warn "enter emergency perl save\n";	3756	info "emergency_perl_save: enter\n";
		3757
		3758	# this is a trade-off: we want to be very quick here, so
		3759	# save all maps without fsync, and later call a global sync
		3760	# (which in turn might be very very slow)
		3761	local $USE_FSYNC = 0;
2385		3762
2386	cf::sync_job {	3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
		3765
2387	# use a peculiar iteration method to avoid tripping on perl	3766	# use a peculiar iteration method to avoid tripping on perl
2388	# refcount bugs in for. also avoids problems with players	3767	# refcount bugs in for. also avoids problems with players
2389	# and maps saved/destroyed asynchronously.	3768	# and maps saved/destroyed asynchronously.
2390	warn "begin emergency player save\n";	3769	info "emergency_perl_save: begin player save\n";
2391	for my $login (keys %cf::PLAYER) {	3770	for my $login (keys %cf::PLAYER) {
2392	my $pl = $cf::PLAYER{$login} or next;	3771	my $pl = $cf::PLAYER{$login} or next;
2393	$pl->valid or next;	3772	$pl->valid or next;
		3773	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2394	$pl->save;	3774	$pl->save;
2395	}	3775	}
2396	warn "end emergency player save\n";	3776	info "emergency_perl_save: end player save\n";
2397		3777
2398	warn "begin emergency map save\n";	3778	cf::write_runtime_sync; # external watchdog should not bark
		3779
		3780	info "emergency_perl_save: begin map save\n";
2399	for my $path (keys %cf::MAP) {	3781	for my $path (keys %cf::MAP) {
2400	my $map = $cf::MAP{$path} or next;	3782	my $map = $cf::MAP{$path} or next;
2401	$map->valid or next;	3783	$map->valid or next;
2402	$map->save;	3784	$map->save;
2403	}	3785	}
2404	warn "end emergency map save\n";	3786	info "emergency_perl_save: end map save\n";
2405		3787
2406	warn "begin emergency database checkpoint\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin database checkpoint\n";
2407	BDB::db_env_txn_checkpoint $DB_ENV;	3791	BDB::db_env_txn_checkpoint $DB_ENV;
2408	warn "end emergency database checkpoint\n";	3792	info "emergency_perl_save: end database checkpoint\n";
		3793
		3794	info "emergency_perl_save: begin write uuid\n";
		3795	write_uuid_sync 1;
		3796	info "emergency_perl_save: end write uuid\n";
		3797
		3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	trace "emergency_perl_save: syncing database to disk";
		3801	BDB::db_env_txn_checkpoint $DB_ENV;
		3802
		3803	info "emergency_perl_save: starting sync\n";
		3804	IO::AIO::aio_sync sub {
		3805	info "emergency_perl_save: finished sync\n";
		3806	};
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: flushing outstanding aio requests";
		3811	while (IO::AIO::nreqs || BDB::nreqs) {
		3812	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3813	}
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
2409	};	3816	};
2410		3817
2411	warn "leave emergency perl save\n";	3818	info "emergency_perl_save: leave\n";
2412	}	3819	}
2413		3820
2414	sub post_cleanup {	3821	sub post_cleanup {
2415	my ($make_core) = @_;	3822	my ($make_core) = @_;
2416		3823
		3824	IO::AIO::flush;
		3825
2417	warn Carp::longmess "post_cleanup backtrace"	3826	error Carp::longmess "post_cleanup backtrace"
2418	if $make_core;	3827	if $make_core;
2419	}
2420		3828
		3829	my $fh = pidfile;
		3830	unlink $PIDFILE if <$fh> == $$;
		3831	}
		3832
		3833	# a safer delete_package, copied from Symbol
		3834	sub clear_package($) {
		3835	my $pkg = shift;
		3836
		3837	# expand to full symbol table name if needed
		3838	unless ($pkg =~ /^main::.*::$/) {
		3839	$pkg = "main$pkg" if $pkg =~ /^::/;
		3840	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3841	$pkg .= '::' unless $pkg =~ /::$/;
		3842	}
		3843
		3844	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3845	my $stem_symtab = *{$stem}{HASH};
		3846
		3847	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3848	or return;
		3849
		3850	# clear all symbols
		3851	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3852	for my $name (keys %$leaf_symtab) {
		3853	_gv_clear *{"$pkg$name"};
		3854	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3855	}
		3856	}
		3857
2421	sub reload() {	3858	sub do_reload_perl() {
2422	# can/must only be called in main	3859	# can/must only be called in main
2423	if ($Coro::current != $Coro::main) {	3860	if (in_main) {
2424	warn "can only reload from main coroutine";	3861	error "can only reload from main coroutine";
2425	return;	3862	return;
2426	}	3863	}
2427		3864
		3865	return if $RELOAD++;
		3866
		3867	my $t1 = AE::time;
		3868
		3869	while ($RELOAD) {
2428	warn "reloading...";	3870	info "reloading...";
2429		3871
2430	warn "entering sync_job";	3872	trace "entering sync_job";
2431		3873
2432	cf::sync_job {	3874	cf::sync_job {
2433	cf::write_runtime; # external watchdog should not bark
2434	cf::emergency_save;	3875	cf::emergency_save;
2435	cf::write_runtime; # external watchdog should not bark
2436		3876
2437	warn "syncing database to disk";
2438	BDB::db_env_txn_checkpoint $DB_ENV;
2439
2440	# if anything goes wrong in here, we should simply crash as we already saved
2441
2442	warn "cancelling all WF_AUTOCANCEL watchers";
2443	for (Event::all_watchers) {
2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2445	}
2446
2447	warn "flushing outstanding aio requests";
2448	for (;;) {
2449	BDB::flush;
2450	IO::AIO::flush;
2451	Coro::cede;
2452	last unless IO::AIO::nreqs || BDB::nreqs;
2453	warn "iterate...";
2454	}
2455
2456	++$RELOAD;
2457
2458	warn "cancelling all extension coros";	3877	trace "cancelling all extension coros";
2459	$_->cancel for values %EXT_CORO;	3878	$_->cancel for values %EXT_CORO;
2460	%EXT_CORO = ();	3879	%EXT_CORO = ();
2461		3880
2462	warn "removing commands";	3881	trace "removing commands";
2463	%COMMAND = ();	3882	%COMMAND = ();
2464		3883
2465	warn "removing ext commands";	3884	trace "removing ext/exti commands";
2466	%EXTCMD = ();	3885	%EXTCMD = ();
		3886	%EXTICMD = ();
2467		3887
2468	warn "unloading/nuking all extensions";	3888	trace "unloading/nuking all extensions";
2469	for my $pkg (@EXTS) {	3889	for my $pkg (@EXTS) {
2470	warn "... unloading $pkg";	3890	trace "... unloading $pkg";
2471		3891
2472	if (my $cb = $pkg->can ("unload")) {	3892	if (my $cb = $pkg->can ("unload")) {
2473	eval {	3893	eval {
2474	$cb->($pkg);	3894	$cb->($pkg);
2475	1	3895	1
2476	} or warn "$pkg unloaded, but with errors: $@";	3896	} or error "$pkg unloaded, but with errors: $@";
		3897	}
		3898
		3899	trace "... clearing $pkg";
		3900	clear_package $pkg;
2477	}	3901	}
2478		3902
2479	warn "... nuking $pkg";
2480	Symbol::delete_package $pkg;
2481	}
2482
2483	warn "unloading all perl modules loaded from $LIBDIR";	3903	trace "unloading all perl modules loaded from $LIBDIR";
2484	while (my ($k, $v) = each %INC) {	3904	while (my ($k, $v) = each %INC) {
2485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3905	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2486		3906
2487	warn "... unloading $k";	3907	trace "... unloading $k";
2488	delete $INC{$k};	3908	delete $INC{$k};
2489		3909
2490	$k =~ s/\.pm$//;	3910	$k =~ s/\.pm$//;
2491	$k =~ s/\//::/g;	3911	$k =~ s/\//::/g;
2492		3912
2493	if (my $cb = $k->can ("unload_module")) {	3913	if (my $cb = $k->can ("unload_module")) {
2494	$cb->();	3914	$cb->();
		3915	}
		3916
		3917	clear_package $k;
2495	}	3918	}
2496		3919
2497	Symbol::delete_package $k;
2498	}
2499
2500	warn "getting rid of safe::, as good as possible";	3920	trace "getting rid of safe::, as good as possible";
2501	Symbol::delete_package "safe::$_"	3921	clear_package "safe::$_"
2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3922	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2503		3923
2504	warn "unloading cf.pm \"a bit\"";	3924	trace "unloading cf.pm \"a bit\"";
2505	delete $INC{"cf.pm"};	3925	delete $INC{"cf.pm"};
		3926	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2506		3927
2507	# don't, removes xs symbols, too,	3928	# don't, removes xs symbols, too,
2508	# and global variables created in xs	3929	# and global variables created in xs
2509	#Symbol::delete_package __PACKAGE__;	3930	#clear_package __PACKAGE__;
2510		3931
2511	warn "unload completed, starting to reload now";	3932	info "unload completed, starting to reload now";
2512		3933
2513	warn "reloading cf.pm";	3934	trace "reloading cf.pm";
2514	require cf;	3935	require cf;
2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3936	cf::_connect_to_perl_1;
2516		3937
2517	warn "loading config and database again";	3938	trace "loading config and database again";
2518	cf::cfg_load;	3939	cf::reload_config;
2519		3940
2520	warn "loading extensions";	3941	trace "loading extensions";
2521	cf::load_extensions;	3942	cf::load_extensions;
2522		3943
		3944	if ($REATTACH_ON_RELOAD) {
2523	warn "reattaching attachments to objects/players";	3945	trace "reattaching attachments to objects/players";
2524	_global_reattach; # objects, sockets	3946	_global_reattach; # objects, sockets
2525	warn "reattaching attachments to maps";	3947	trace "reattaching attachments to maps";
2526	reattach $_ for values %MAP;	3948	reattach $_ for values %MAP;
2527	warn "reattaching attachments to players";	3949	trace "reattaching attachments to players";
2528	reattach $_ for values %PLAYER;	3950	reattach $_ for values %PLAYER;
		3951	}
2529		3952
2530	warn "loading reloadable resources";	3953	trace "running post_init jobs";
2531	reload_resources;	3954	(pop @POST_INIT)->(1) while @POST_INIT;
2532		3955
2533	warn "leaving sync_job";	3956	trace "leaving sync_job";
2534		3957
2535	1	3958	1
2536	} or do {	3959	} or do {
2537	warn $@;	3960	error $@;
2538	warn "error while reloading, exiting.";	3961	cf::cleanup "error while reloading, exiting.";
2539	exit 1;	3962	};
		3963
		3964	info "reloaded";
		3965	--$RELOAD;
		3966	}
		3967
		3968	$t1 = AE::time - $t1;
		3969	info "reload completed in ${t1}s\n";
		3970	};
		3971
		3972	our $RELOAD_WATCHER; # used only during reload
		3973
		3974	sub reload_perl() {
		3975	# doing reload synchronously and two reloads happen back-to-back,
		3976	# coro crashes during coro_state_free->destroy here.
		3977
		3978	$RELOAD_WATCHER ||= cf::async {
		3979	Coro::AIO::aio_wait cache_extensions;
		3980
		3981	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3982	do_reload_perl;
		3983	undef $RELOAD_WATCHER;
		3984	};
2540	};	3985	};
2541		3986	}
2542	warn "reloaded";
2543	};
2544
2545	our $RELOAD_WATCHER; # used only during reload
2546		3987
2547	register_command "reload" => sub {	3988	register_command "reload" => sub {
2548	my ($who, $arg) = @_;	3989	my ($who, $arg) = @_;
2549		3990
2550	if ($who->flag (FLAG_WIZ)) {	3991	if ($who->flag (FLAG_WIZ)) {
2551	$who->message ("reloading server.");	3992	$who->message ("reloading server.");
2552		3993	async {
2553	# doing reload synchronously and two reloads happen back-to-back,	3994	$Coro::current->{desc} = "perl_reload";
2554	# coro crashes during coro_state_free->destroy here.
2555
2556	$RELOAD_WATCHER ||= Event->timer (
2557	reentrant => 0,
2558	after => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => sub {
2561	reload;	3995	reload_perl;
2562	undef $RELOAD_WATCHER;
2563	},
2564	);	3996	};
2565	}	3997	}
2566	};	3998	};
2567		3999
2568	unshift @INC, $LIBDIR;	4000	unshift @INC, $LIBDIR;
2569		4001
2570	my $bug_warning = 0;	4002	my $bug_warning = 0;
2571		4003
2572	$TICK_WATCHER = Event->timer (	4004	our @WAIT_FOR_TICK;
2573	reentrant => 0,	4005	our @WAIT_FOR_TICK_BEGIN;
2574	parked => 1,	4006
2575	prio => 0,	4007	sub wait_for_tick {
2576	at => $NEXT_TICK || $TICK,	4008	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2577	data => WF_AUTOCANCEL,	4009
2578	cb => sub {	4010	my $signal = new Coro::Signal;
		4011	push @WAIT_FOR_TICK, $signal;
		4012	$signal->wait;
		4013	}
		4014
		4015	sub wait_for_tick_begin {
		4016	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4017
		4018	my $signal = new Coro::Signal;
		4019	push @WAIT_FOR_TICK_BEGIN, $signal;
		4020	$signal->wait;
		4021	}
		4022
		4023	sub tick {
2579	if ($Coro::current != $Coro::main) {	4024	if ($Coro::current != $Coro::main) {
2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4025	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581	unless ++$bug_warning > 10;	4026	unless ++$bug_warning > 10;
2582	return;	4027	return;
2583	}	4028	}
2584		4029
2585	$NOW = Event::time;
2586
2587	cf::server_tick; # one server iteration	4030	cf::server_tick; # one server iteration
2588	$RUNTIME += $TICK;
2589	$NEXT_TICK += $TICK;
2590		4031
		4032	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4033
2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4034	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592	$NEXT_RUNTIME_WRITE = $NOW + 10;	4035	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2593	Coro::async_pool {	4036	Coro::async_pool {
		4037	$Coro::current->{desc} = "runtime saver";
2594	write_runtime	4038	write_runtime_sync
2595	or warn "ERROR: unable to write runtime file: $!";	4039	or error "ERROR: unable to write runtime file: $!";
2596	};
2597	}	4040	};
2598
2599	$WAIT_FOR_TICK->broadcast;
2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2601
2602	# my $AFTER = Event::time;
2603	# warn $AFTER - $NOW;#d#
2604
2605	# if we are delayed by four ticks or more, skip them all
2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2607
2608	$TICK_WATCHER->at ($NEXT_TICK);
2609	$TICK_WATCHER->start;
2610	},	4041	}
2611	);	4042
		4043	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4044	$sig->send;
		4045	}
		4046	while (my $sig = shift @WAIT_FOR_TICK) {
		4047	$sig->send;
		4048	}
		4049
		4050	$LOAD = ($NOW - $TICK_START) / $TICK;
		4051	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4052
		4053	if (0) {
		4054	if ($NEXT_TICK) {
		4055	my $jitter = $TICK_START - $NEXT_TICK;
		4056	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4057	debug "jitter $JITTER\n";#d#
		4058	}
		4059	}
		4060	}
2612		4061
2613	{	4062	{
2614	BDB::max_poll_time $TICK * 0.1;	4063	# configure BDB
2615	$BDB_POLL_WATCHER = Event->io (	4064
2616	reentrant => 0,
2617	fd => BDB::poll_fileno,
2618	poll => 'r',
2619	prio => 0,
2620	data => WF_AUTOCANCEL,
2621	cb => \&BDB::poll_cb,
2622	);
2623	BDB::min_parallel 8;	4065	BDB::min_parallel 16;
2624		4066	BDB::max_poll_reqs $TICK * 0.1;
2625	BDB::set_sync_prepare {	4067	$AnyEvent::BDB::WATCHER->priority (1);
2626	my $status;
2627	my $current = $Coro::current;
2628	(
2629	sub {
2630	$status = $!;
2631	$current->ready; undef $current;
2632	},
2633	sub {
2634	Coro::schedule while defined $current;
2635	$! = $status;
2636	},
2637	)
2638	};
2639		4068
2640	unless ($DB_ENV) {	4069	unless ($DB_ENV) {
2641	$DB_ENV = BDB::db_env_create;	4070	$DB_ENV = BDB::db_env_create;
		4071	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4072	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4073	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4074	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4075	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2642		4076
2643	cf::sync_job {	4077	cf::sync_job {
2644	eval {	4078	eval {
2645	BDB::db_env_open	4079	BDB::db_env_open
2646	$DB_ENV,	4080	$DB_ENV,
2647	$BDB_ENV_DIR,	4081	$BDBDIR,
2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4082	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4083	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650	0666;	4084	0666;
2651		4085
2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4086	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653
2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2655	$DB_ENV->set_lk_detect;
2656	};	4087	};
2657		4088
2658	cf::cleanup "db_env_open(db): $@" if $@;	4089	cf::cleanup "db_env_open(db): $@" if $@;
2659	};	4090	};
2660	}	4091	}
		4092
		4093	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4094	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4095	};
		4096	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4097	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4098	};
		4099	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4100	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4101	};
2661	}	4102	}
2662		4103
2663	{	4104	{
		4105	# configure IO::AIO
		4106
2664	IO::AIO::min_parallel 8;	4107	IO::AIO::min_parallel 8;
2665
2666	undef $Coro::AIO::WATCHER;
2667	IO::AIO::max_poll_time $TICK * 0.1;	4108	IO::AIO::max_poll_time $TICK * 0.1;
2668	$AIO_POLL_WATCHER = Event->io (	4109	undef $AnyEvent::AIO::WATCHER;
2669	reentrant => 0,
2670	data => WF_AUTOCANCEL,
2671	fd => IO::AIO::poll_fileno,
2672	poll => 'r',
2673	prio => 6,
2674	cb => \&IO::AIO::poll_cb,
2675	);
2676	}	4110	}
		4111
		4112	my $_log_backtrace;
		4113
		4114	sub _log_backtrace {
		4115	my ($msg, @addr) = @_;
		4116
		4117	$msg =~ s/\n//;
		4118
		4119	# limit the # of concurrent backtraces
		4120	if ($_log_backtrace < 2) {
		4121	++$_log_backtrace;
		4122	my $perl_bt = Carp::longmess $msg;
		4123	async {
		4124	$Coro::current->{desc} = "abt $msg";
		4125
		4126	my @bt = fork_call {
		4127	@addr = map { sprintf "%x", $_ } @addr;
		4128	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4129	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4130	or die "addr2line: $!";
		4131
		4132	my @funcs;
		4133	my @res = <$fh>;
		4134	chomp for @res;
		4135	while (@res) {
		4136	my ($func, $line) = splice @res, 0, 2, ();
		4137	push @funcs, "[$func] $line";
		4138	}
		4139
		4140	@funcs
		4141	};
		4142
		4143	LOG llevInfo, "[ABT] $perl_bt\n";
		4144	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4145	LOG llevInfo, "[ABT] $_\n" for @bt;
		4146	--$_log_backtrace;
		4147	};
		4148	} else {
		4149	LOG llevInfo, "[ABT] $msg\n";
		4150	LOG llevInfo, "[ABT] [suppressed]\n";
		4151	}
		4152	}
		4153
		4154	# load additional modules
		4155	require "cf/$_.pm" for @EXTRA_MODULES;
		4156	cf::_connect_to_perl_2;
2677		4157
2678	END { cf::emergency_save }	4158	END { cf::emergency_save }
2679		4159
2680	1	4160	1
2681		4161

Diff Legend

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