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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$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		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		80
45	our %COMMAND = ();	81	our %COMMAND = ();
46	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
47		83
48	our @EXTS = (); # list of extension package names	84	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
52		89
53	our $RELOAD; # number of reloads so far	90	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	91	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
56		94
57	our $TICK = MAX_TIME * 1e-6;	95	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	96	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	97	our $LIBDIR = "$DATADIR/ext";
		98	our $PODDIR = "$DATADIR/pod";
		99	our $MAPDIR = "$DATADIR/" . mapdir;
		100	our $LOCALDIR = localdir;
		101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		104	our $RANDOMDIR = "$LOCALDIR/random";
		105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
		116
		117	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	119	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
67		128
68	our %CFG;	129	our %CFG;
69		130
70	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
72		134
73	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	137	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		138
82	# used to convert map paths into valid unix filenames by replacing / by ∕	139	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		141
		142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
		145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
		151
85	binmode STDOUT;	152	binmode STDOUT;
86	binmode STDERR;	153	binmode STDERR;
87		154
88	# read virtual server time, if available	155	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	157	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
93	}	160	}
94		161
95	mkdir cf::localdir;	162	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	163
97	mkdir cf::localdir . "/" . cf::tmpdir;	164	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		166
102	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
103		168
104	sub cf::map::normalise;	169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
105		185
106	#############################################################################	186	#############################################################################
107		187
108	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
109		189
…		…
116	=item $cf::RUNTIME	196	=item $cf::RUNTIME
117		197
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	198	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	199	every server tick.
120		200
121	=item $cf::LIBDIR	201	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		202	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		203	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		204
123	The perl library directory, where extensions and cf-specific modules can	205	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	206	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		207	unique-items directory, player file directory, random maps directory and
		208	database environment.
125		209
126	=item $cf::NOW	210	=item $cf::NOW
127		211
128	The time of the last (current) server tick.	212	The time of the last (current) server tick.
129		213
130	=item $cf::TICK	214	=item $cf::TICK
131		215
132	The interval between server ticks, in seconds.	216	The interval between server ticks, in seconds.
133		217
		218	=item $cf::LOADAVG
		219
		220	The current CPU load on the server (alpha-smoothed), as a value between 0
		221	(none) and 1 (overloaded), indicating how much time is spent on processing
		222	objects per tick. Healthy values are < 0.5.
		223
		224	=item $cf::LOAD
		225
		226	The raw value load value from the last tick.
		227
134	=item %cf::CFG	228	=item %cf::CFG
135		229
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	231	from wherever your confdir points to.
138		232
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		234
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	235	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	236	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	237	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.	238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
145		250
146	=back	251	=back
147		252
148	=cut	253	=cut
149		254
150	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	262	my $msg = join "", @_;
153	utf8::encode $msg;
154		263
155	$msg .= "\n"	264	$msg .= "\n"
156	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
157		266
		267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		268
158	LOG llevError, $msg;	269	LOG llevWarn, $msg;
159	};	270	};
160	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
161		285
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	290	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		291	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	292	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		293
169	# we bless all objects into (empty) derived classes to force a method lookup	294	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	295	# within the Safe compartment.
171	for my $pkg (qw(	296	for my $pkg (qw(
172	cf::global cf::attachable	297	cf::global cf::attachable
173	cf::object cf::object::player	298	cf::object cf::object::player
174	cf::client cf::player	299	cf::client cf::player
175	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
176	cf::map cf::party cf::region	302	cf::party cf::region
177	)) {	303	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	305	}
181		306
182	$Event::DIED = sub {	307	$EV::DIED = sub {
183	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
184	};	309	};
		310
		311	#############################################################################
185		312
186	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
187		314
188	=over 4	315	=over 4
189		316
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	336	$d
210	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
211	}	338	}
212		339
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
216		341
217	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
218		343
219	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
220		345
221	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
222		347
		348	=cut
		349
		350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		351
		352	sub encode_json($) { $json_coder->encode ($_[0]) }
		353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
		367	}
		368
223	=item cf::lock_wait $string	369	=item cf::lock_wait $string
224		370
225	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
226		372
227	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
228		374
229	Wait until the given lock is available and then acquires it and returns	375	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,	376	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	377	for example when the coroutine gets canceled), the lock is automatically
232	returned.	378	returned.
233		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
234	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
236		385
237	=cut	386	=item $locked = cf::lock_active $string
238		387
239	our %LOCK;	388	Return true if the lock is currently active, i.e. somebody has locked it.
		389
		390	=cut
		391
		392	our $LOCKS = new Coro::SemaphoreSet;
240		393
241	sub lock_wait($) {	394	sub lock_wait($) {
242	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	396	}
250		397
251	sub lock_acquire($) {	398	sub lock_acquire($) {
252	my ($key) = @_;	399	$LOCKS->guard ($_[0])
		400	}
253		401
254	# wait, to be sure we are not locked	402	sub lock_active($) {
255	lock_wait $key;	403	$LOCKS->count ($_[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	}	404	}
264		405
265	sub freeze_mainloop {	406	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
267		408
268	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	410	}
		411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
270	};	476	}
271	$TICK_WATCHER->stop;	477	};
272	$guard	478
		479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
273	}	492	}
274		493
275	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
276		495
277	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		501
283	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
284		503
285	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
286		505
287	The design of crossfire+ requires that the main coro ($Coro::main) is	506	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	507	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		509	acceptable.
290		510
291	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	513	server will be frozen during this time, so the block should either finish
294	fast or be very important.	514	fast or be very important.
…		…
296	=cut	516	=cut
297		517
298	sub sync_job(&) {	518	sub sync_job(&) {
299	my ($job) = @_;	519	my ($job) = @_;
300		520
301	if ($Coro::current == $Coro::main) {	521	if (in_main) {
		522	my $time = AE::time;
		523
302	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
304		526
305	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	528
307	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
308		530
309	my $busy = 1;	531	my $busy = 1;
310	my @res;	532	my @res;
311		533
312	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	536	@res = eval { $job->() };
314	warn $@ if $@;	537	error $@ if $@;
315	undef $busy;	538	undef $busy;
316	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
317		540
318	while ($busy) {	541	while ($busy) {
319	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
320	}	546	}
		547	}
		548
		549	my $time = AE::time - $time;
		550
		551	$TICK_START += $time; # do not account sync jobs to server load
321		552
322	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
323	} else {	554	} else {
324	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
325		556
…		…
345	$EXT_CORO{$coro+0} = $coro;	576	$EXT_CORO{$coro+0} = $coro;
346		577
347	$coro	578	$coro
348	}	579	}
349		580
350	sub write_runtime {	581	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		582
353	my $runtime = cf::localdir . "/runtime";	583	Executes the given code block with the given arguments in a seperate
		584	process, returning the results. Everything must be serialisable with
		585	Coro::Storable. May, of course, block. Note that the executed sub may
		586	never block itself or use any form of event handling.
354		587
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	588	=cut
356	or return;
357		589
358	my $value = $cf::RUNTIME + 90 + 10;	590	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	591	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		592
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	593	# we seemingly have to make a local copy of the whole thing,
363	and return;	594	# otherwise perl prematurely frees the stuff :/
		595	# TODO: investigate and fix (likely this will be rather laborious)
364		596
365	# always fsync - this file is important	597	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	598	reset_signals;
367	and return;	599	&$cb
		600	}, @args;
368		601
369	close $fh	602	wantarray ? @res : $res[-1]
370	or return;	603	}
371		604
372	aio_rename "$runtime~", $runtime	605	sub objinfo {
373	and return;
374
375	1	606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
		641	}
		642
		643	=item $value = cf::db_get $family => $key
		644
		645	Returns a single value from the environment database.
		646
		647	=item cf::db_put $family => $key => $value
		648
		649	Stores the given C<$value> in the family. It can currently store binary
		650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
		657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
		678
		679	our $DB;
		680
		681	sub db_init {
		682	$DB ||= db_table "db";
		683	}
		684
		685	sub db_get($$) {
		686	my $key = "$_[0]/$_[1]";
		687
		688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
		691	BDB::db_get $DB, undef, $key, my $data;
		692
		693	$! ? ()
		694	: $data
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
		770	}
		771
		772	=item cf::datalog type => key => value, ...
		773
		774	Log a datalog packet of the given type with the given key-value pairs.
		775
		776	=cut
		777
		778	sub datalog($@) {
		779	my ($type, %kv) = @_;
		780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	781	}
377		782
378	=back	783	=back
379		784
380	=cut	785	=cut
381		786
382	#############################################################################	787	#############################################################################
383		788
384	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
385		790
386	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
389		794
390	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	797	Deliantra).
393		798
394	=over 4	799	=over 4
395		800
396	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
397		802
…		…
441	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
442		847
443	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
445		850
446	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
448		853
449	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
450		855
451	=over 4	856	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
561		966
562	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		971
567	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	973	my $pkg = shift @arg;
569		974
570	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
575		980
576	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		983
579	} elsif (ref $type) {	984	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
581		986
582	} else {	987	} else {
583	shift @arg;	988	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
585	}	990	}
586	}	991	}
587	}	992	}
588		993
589	sub _object_attach {	994	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
600	}	1005	}
601		1006
602	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
603	} else {	1008	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1010	}
606		1011
607	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
608	}	1013	}
609		1014
…		…
611	if (ref $_[0]) {	1016	if (ref $_[0]) {
612	_object_attach @_;	1017	_object_attach @_;
613	} else {	1018	} else {
614	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
615	}	1020	}
		1021	_recalc_want;
616	};	1022	};
617		1023
618	# all those should be optimised	1024	# all those should be optimised
619	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1030	reattach ($obj);
625	} else {	1031	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
627	}	1033	}
		1034	_recalc_want;
628	};	1035	};
629		1036
630	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
632		1039
…		…
647	";	1054	";
648	die if $@;	1055	die if $@;
649	}	1056	}
650		1057
651	our $override;	1058	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1060
654	sub override {	1061	sub override {
655	$override = 1;	1062	$override = 1;
656	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
657	}	1064	}
658		1065
659	sub do_invoke {	1066	sub do_invoke {
660	my $event = shift;	1067	my $event = shift;
661	my $callbacks = shift;	1068	my $callbacks = shift;
662		1069
663	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
664		1071
665	local $override;	1072	local $override;
666		1073
667	for (@$callbacks) {	1074	for (@$callbacks) {
668	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
669		1076
670	if ($@) {	1077	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1079	override;
674	}	1080	}
675		1081
676	return 1 if $override;	1082	return 1 if $override;
677	}	1083	}
678		1084
679	0	1085	0
680	}	1086	}
681		1087
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1089
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1091
686	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
687		1093
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1097
692	=back	1098	=back
693		1099
694	=cut	1100	=cut
695		1101
696	#############################################################################	1102	#############################################################################
697	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
698		1146
699	sub reattach {	1147	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1149	my ($obj) = @_;
702		1150
		1151	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1153
705	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
706		1155
707	@$registry = ();	1156	@$registry = ();
708		1157
…		…
713	for (@$attach) {	1162	for (@$attach) {
714	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
716	}	1165	}
717	} else {	1166	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1168	}
720	}	1169	}
721	}	1170	}
722		1171
723	cf::attachable->attach (	1172	cf::attachable->attach (
724	prio => -1000000,	1173	prio => -1000000,
725	on_instantiate => sub {	1174	on_instantiate => sub {
726	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
727		1176
728	$data = from_json $data;	1177	$data = decode_json $data;
729		1178
730	for (@$data) {	1179	for (@$data) {
731	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
732		1181
733	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1198	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
751		1200
752	sync_job {	1201	sync_job {
753	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
756		1207
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1213	aio_fsync $fh;
		1214	}
761	close $fh;	1215	aio_close $fh;
762		1216
763	if (@$objs) {	1217	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
769	close $fh;	1226	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
771	}	1228	}
772	} else {	1229	} else {
773	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
774	}	1231	}
775		1232
776	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1237	} else {
778	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
779	}	1239	}
780	} else {	1240	} else {
781	aio_unlink $filename;	1241	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
783	}	1243	}
784	}	1244	};
785	}	1245	}
786		1246
787	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
789		1249
…		…
801	or return;	1261	or return;
802		1262
803	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
805	or return;	1265	or return;
		1266
806	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
807	}	1269	}
808		1270
		1271	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
811	return ($data, $av);	1276	($data, $av)
812	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
813		1284
814	#############################################################################	1285	#############################################################################
815	# command handling &c	1286	# command handling &c
816		1287
817	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1302	}
832		1303
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1305
835	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
836		1311
837	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
838	called.	1313	called.
839		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
840	=cut	1326	=cut
841		1327
842	sub register_extcmd {	1328	sub register_extcmd {
843	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
844		1330
845	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
846	}	1332	}
847		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
848	cf::player->attach (	1342	cf::player->attach (
849	on_command => sub {	1343	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
851		1345
852	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
853	or return;	1347	or return;
854		1348
…		…
859	cf::override;	1353	cf::override;
860	},	1354	},
861	on_extcmd => sub {	1355	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
863		1357
864	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1359
866	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
872	} else {	1375	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1377	}
875		1378
876	cf::override;	1379	cf::override;
877	},	1380	},
878	);	1381	);
879		1382
		1383	# "readahead" all extensions
880	sub load_extension {	1384	sub cache_extensions {
881	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
882		1386
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1390	}
908	die $@;
909	}	1391	};
910		1392
911	push @EXTS, $pkg;	1393	$grp
912	}	1394	}
913		1395
914	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
915	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1403	next unless -r $path;
917	eval {	1404
918	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use common::sense;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1457	if exists $v->{meta}{mandatory};
		1458
		1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1460	delete $todo{$k};
		1461	} else {
		1462	$done{$k} = delete $todo{$k};
		1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
		1468	}
919	1	1469	}
920	} or warn "$ext not loaded: $@";	1470
		1471	unless ($progress) {
		1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
		1479	}
921	}	1480	};
922	}	1481	}
923		1482
924	#############################################################################	1483	#############################################################################
925		1484
		1485	=back
		1486
926	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
927		1488
928	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
929		1490
930	=cut	1491	=cut
931		1492
932	package cf::player;	1493	package cf::player;
933		1494
…		…
935		1496
936	=head3 cf::player	1497	=head3 cf::player
937		1498
938	=over 4	1499	=over 4
939		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
		1514
940	=item cf::player::find $login	1515	=item cf::player::find $login
941		1516
942	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
943		1518
944	=cut	1519	=cut
945		1520
946	sub playerdir($) {	1521	sub playerdir($) {
947	cf::localdir	1522	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1523	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1524	}
953		1525
954	sub path($) {	1526	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1527	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1528
957	(playerdir $login) . "/$login.pl"	1529	(playerdir $login) . "/playerdata"
958	}	1530	}
959		1531
960	sub find_active($) {	1532	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1533	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1534	and $cf::PLAYER{$_[0]}->active
…		…
965		1537
966	sub exists($) {	1538	sub exists($) {
967	my ($login) = @_;	1539	my ($login) = @_;
968		1540
969	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
971	}	1543	}
972		1544
973	sub find($) {	1545	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1547	my $login = $_[0];
976		1548
977	my $guard = cf::lock_acquire "user_find:$login";	1549	my $guard = cf::lock_acquire "user_find:$login";
978		1550
979	$cf::PLAYER{$_[0]} || do {	1551	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1552	# rename old playerfiles to new ones
		1553	#TODO: remove when no longer required
		1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1557	aio_unlink +(playerdir $login) . "/$login.pl";
		1558
		1559	my $f = new_from_file cf::object::thawer path $login
981	or return;	1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
983	}	1568	}
984	}	1569	}
985	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
986		1584
987	sub save($) {	1585	sub save($) {
988	my ($pl) = @_;	1586	my ($pl) = @_;
989		1587
990	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
996		1594
997	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
999		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
1000	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1001	Coro::cede;	1604	cf::cede_to_tick;
1002	}	1605	}
1003		1606
1004	sub new($) {	1607	sub new($) {
1005	my ($login) = @_;	1608	my ($login) = @_;
1006		1609
…		…
1012	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1013		1616
1014	$self	1617	$self
1015	}	1618	}
1016		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
1017	=item $pl->quit_character	1630	=item $pl->quit_character
1018		1631
1019	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1021		1634
…		…
1025	my ($pl) = @_;	1638	my ($pl) = @_;
1026		1639
1027	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1028		1641
1029	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1644
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1036		1650
1037	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1682	while and may block, so not sync_job-capable, ever.
1069		1683
1070	=cut	1684	=cut
1071		1685
1072	sub list_logins {	1686	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1687	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1688	or return [];
1075		1689
1076	my @logins;	1690	my @logins;
1077		1691
1078	for my $login (@$dirs) {	1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1082		1702
1083	utf8::decode $login;	1703	utf8::decode $login;
1084	push @logins, $login;	1704	push @logins, $login;
1085	}	1705	}
1086		1706
1087	\@logins	1707	\@logins
1088	}	1708	}
1089		1709
1090	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1091		1713
1092	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1093	player. May block.	1715	player. May block.
1094		1716
1095	=cut	1717	=cut
…		…
1113	}	1735	}
1114		1736
1115	\@paths	1737	\@paths
1116	}	1738	}
1117		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1119		1745
1120	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1121		1747
1122	=cut	1748	=cut
1123		1749
1124	sub ext_reply($$$%) {	1750	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1126		1752
1127	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1754	}
1131		1755
1132	package cf;	1756	=item $player->ext_msg ($type, @msg)
		1757
		1758	Sends an ext event to the client.
		1759
		1760	=cut
		1761
		1762	sub ext_msg($$@) {
		1763	my ($self, $type, @msg) = @_;
		1764
		1765	$self->ns->ext_msg ($type, @msg);
		1766	}
		1767
		1768	=head3 cf::region
		1769
		1770	=over 4
		1771
		1772	=cut
		1773
		1774	package cf::region;
		1775
		1776	=item cf::region::find_by_path $path
		1777
		1778	Tries to decuce the likely region for a map knowing only its path.
		1779
		1780	=cut
		1781
		1782	sub find_by_path($) {
		1783	my ($path) = @_;
		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
		1787	my ($match, $specificity);
		1788
		1789	for my $region (list) {
		1790	if ($region->{match} && $path =~ $region->{match}) {
		1791	($match, $specificity) = ($region, $region->specificity)
		1792	if $region->specificity > $specificity;
		1793	}
		1794	}
		1795
		1796	$match
		1797	}
1133		1798
1134	=back	1799	=back
1135
1136		1800
1137	=head3 cf::map	1801	=head3 cf::map
1138		1802
1139	=over 4	1803	=over 4
1140		1804
…		…
1152	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1154		1818
1155	sub generate_random_map {	1819	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1823
1157	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1825	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1180		1847
1181	sub register {	1848	sub register {
1182	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	1850	my $pkg = caller;
1184		1851
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		1853
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	1855	}
1190		1856
1191	# also paths starting with '/'	1857	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		1859
1194	sub thawer_merge {	1860	sub thawer_merge {
1195	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1196		1862
1197	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1198	local $self->{path};	1864	local $self->{path};
1199	local $self->{load_path};	1865	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1866
1203	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1204	}	1868	}
1205		1869
1206	sub normalise {	1870	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1254	return $self;	1918	return $self;
1255	}	1919	}
1256	}	1920	}
1257		1921
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1923	()
1260	}	1924	}
1261		1925
1262	sub init {	1926	sub init {
1263	my ($self) = @_;	1927	my ($self) = @_;
…		…
1278		1942
1279	# the original (read-only) location	1943	# the original (read-only) location
1280	sub load_path {	1944	sub load_path {
1281	my ($self) = @_;	1945	my ($self) = @_;
1282		1946
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1284	}	1948	}
1285		1949
1286	# the temporary/swap location	1950	# the temporary/swap location
1287	sub save_path {	1951	sub save_path {
1288	my ($self) = @_;	1952	my ($self) = @_;
1289		1953
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1292	}	1956	}
1293		1957
1294	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1295	sub uniq_path {	1959	sub uniq_path {
1296	my ($self) = @_;	1960	my ($self) = @_;
1297		1961
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1300	}	1964	}
1301		1965
1302	# and all this just because we cannot iterate over	1966	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	1967	my ($self) = @_;
1306		1968
1307	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1309	}	1972	}
1310		1973
1311	sub unlink_save {	1974	sub unlink_save {
1312	my ($self) = @_;	1975	my ($self) = @_;
1313		1976
…		…
1318		1981
1319	sub load_header_from($) {	1982	sub load_header_from($) {
1320	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1321		1984
1322	utf8::encode $path;	1985	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1328		1994
1329	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1330		1996
1331	1	1997	1
1332	}	1998	}
…		…
1371	$self->load_header_orig	2037	$self->load_header_orig
1372	or return;	2038	or return;
1373	$self->prepare_orig;	2039	$self->prepare_orig;
1374	}	2040	}
1375		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
		2045	$self->default_region (cf::region::find_by_path $self->{path})
		2046	unless $self->default_region;
		2047
1376	1	2048	1
1377	}	2049	}
1378		2050
1379	sub find;	2051	sub find;
1380	sub find {	2052	sub find {
1381	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1382		2054
1383	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1384		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2059
1387	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1390	or return;	2062	or return;
1391		2063
1392	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1393		2065
1394	$map->load_header	2066	$map->load_header
1395	or return;	2067	or return;
1396		2068
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1400	$map->reset;	2074	$map->reset;
1401	undef $guard;
1402	return find $path;	2075	return find $path;
1403	}	2076	}
1404		2077
1405	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1406	}	2079	}
1407	}	2080	}
1408		2081
1409	sub pre_load { }	2082	sub pre_load { }
1410	sub post_load { }	2083	#sub post_load { } # XS
1411		2084
1412	sub load {	2085	sub load {
1413	my ($self) = @_;	2086	my ($self) = @_;
1414		2087
1415	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1416		2089
1417	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1419		2094
		2095	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2097
1422	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1423		2099
1424	$self->alloc;	2100	$self->alloc;
1425		2101
1426	$self->pre_load;	2102	$self->pre_load;
		2103	cf::cede_to_tick;
1427		2104
1428	$self->_load_objects ($self->{load_path}, 1)	2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
		2107	$self->_load_objects ($f)
1429	or return;	2108	or return;
1430		2109
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1432	if delete $self->{load_original};	2111	if delete $self->{load_original};
1433		2112
1434	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2114	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2117	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1439	}	2121	}
1440	}	2122	}
1441		2123
1442	Coro::cede;	2124	$f->resolve_delayed_derefs;
1443		2125
		2126	cf::cede_to_tick;
1444	# now do the right thing for maps	2127	# now do the right thing for maps
1445	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2130	unless $self->difficulty;
1455	Coro::cede;	2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1456	$self->activate;	2138	$self->activate;
		2139	}
		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
		2144	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2145	}
1458		2146
1459	$self->post_load;	2147	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2148	}
1463		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2153	sub customise_for {
1465	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1466		2155
1467	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2157	if $self->per_player;
1469		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1470	$self	2162	$self
1471	}	2163	}
1472		2164
1473	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2166	sub load_neighbours {
1475	my ($map) = @_;	2167	my ($map) = @_;
1476		2168
1477	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1478		2170
1479	for (0 .. 3) {	2171	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1481	or next;	2173	or next;
1482	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1483	or next;	2175	or next;
1484	$neigh->load;	2176	$neigh->load;
1485		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2182	}
1489		2183
1490	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1492	or next;	2187	or next;
1493	$neigh->load;	2188	$neigh->load;
1494	}	2189	}
1495	}	2190	}
1496		2191
1497	sub find_sync {	2192	sub find_sync {
1498	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1499		2194
1500	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1501	}	2199	}
1502		2200
1503	sub do_load_sync {	2201	sub do_load_sync {
1504	my ($map) = @_;	2202	my ($map) = @_;
1505		2203
1506	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
1507	}	2208	}
1508		2209
1509	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1511		2212
1512	sub find_async {	2213	sub find_async {
1513	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1514		2215
1515	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1516		2217
1517	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2220	}
1520		2221
1521	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1522	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1523	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2229	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2230	$map->load if $v;
		2231	}
1528		2232
1529	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1530	}	2234	}
1531	}	2235	}
1532	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1533	};	2237	};
1534	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1535		2239
1536	()	2240	()
1537	}	2241	}
1538		2242
		2243	# common code, used by both ->save and ->swapout
1539	sub save {	2244	sub _save {
1540	my ($self) = @_;	2245	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2246
1544	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1545		2248
1546	return unless $self->dirty;	2249	return unless $self->dirty;
1547		2250
…		…
1553	return if $self->{deny_save};	2256	return if $self->{deny_save};
1554		2257
1555	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1556		2259
1557	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1559	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1560		2266
1561	if ($uniq) {	2267	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2270	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2272	}
1567	}	2273	}
1568		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1569	sub swap_out {	2283	sub swap_out {
1570	my ($self) = @_;	2284	my ($self) = @_;
1571		2285
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1577	return if $self->players;	2290	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
1581	$self->clear;	2301	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2302	}
1584		2303
1585	sub reset_at {	2304	sub reset_at {
1586	my ($self) = @_;	2305	my ($self) = @_;
1587		2306
1588	# TODO: safety, remove and allow resettable per-player maps	2307	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2308	return 1e99 if $self->{deny_reset};
1591		2309
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2310	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2311	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2312
…		…
1605	my ($self) = @_;	2323	my ($self) = @_;
1606		2324
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2326
1609	return if $self->players;	2327	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2328
1612	warn "resetting map ", $self->path;#d#	2329	cf::trace "resetting map ", $self->path, "\n";
1613		2330
1614	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
1615		2332
1616	# need to save uniques path	2333	# need to save uniques path
1617	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2338	if $uniq;
1622	}	2339	}
1623		2340
1624	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1625		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2345	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2346
1630	$self->unlink_save;	2347	$self->unlink_save;
1631	$self->destroy;	2348	$self->destroy;
1632	}	2349	}
1633		2350
1634	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1635		2352
1636	sub nuke {	2353	sub nuke {
1637	my ($self) = @_;	2354	my ($self) = @_;
1638		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1639	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1640		2360
1641	$self->unlink_save;	2361	$self->unlink_save;
1642		2362
1643	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2368
1649	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1650		2371
1651	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
		2373	}
		2374
		2375	=item $maps = cf::map::tmp_maps
		2376
		2377	Returns an arrayref with all map paths of currently instantiated and saved
		2378	maps. May block.
		2379
		2380	=cut
		2381
		2382	sub tmp_maps() {
		2383	[
		2384	map {
		2385	utf8::decode $_;
		2386	/\.map$/
		2387	? normalise $_
		2388	: ()
		2389	} @{ aio_readdir $TMPDIR or [] }
		2390	]
		2391	}
		2392
		2393	=item $maps = cf::map::random_maps
		2394
		2395	Returns an arrayref with all map paths of currently instantiated and saved
		2396	random maps. May block.
		2397
		2398	=cut
		2399
		2400	sub random_maps() {
		2401	[
		2402	map {
		2403	utf8::decode $_;
		2404	/\.map$/
		2405	? normalise "?random/$_"
		2406	: ()
		2407	} @{ aio_readdir $RANDOMDIR or [] }
		2408	]
1652	}	2409	}
1653		2410
1654	=item cf::map::unique_maps	2411	=item cf::map::unique_maps
1655		2412
1656	Returns an arrayref of paths of all shared maps that have	2413	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2414	instantiated unique items. May block.
1658		2415
1659	=cut	2416	=cut
1660		2417
1661	sub unique_maps() {	2418	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2419	[
1663	or return;	2420	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2421	utf8::decode $_;
1669	next if /\.pst$/;	2422	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2424	? ()
1672	push @paths, cf::map::normalise $_;	2425	: normalise $_
		2426	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2427	]
1674
1675	\@paths
1676	}	2428	}
1677		2429
1678	package cf;	2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
		2451	s/\.map$// or next;
		2452	utf8::decode $_;
		2453	push @maps, "$dir/$_";
		2454	}
		2455
		2456	push @dirs, map "$dir/$_", @$dirs;
		2457	}
		2458
		2459	\@maps
		2460	}
1679		2461
1680	=back	2462	=back
1681		2463
1682	=head3 cf::object	2464	=head3 cf::object
1683		2465
…		…
1687		2469
1688	=over 4	2470	=over 4
1689		2471
1690	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
1691		2473
1692	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
1693		2476
1694	=cut	2477	=cut
1695		2478
1696	sub inv_recursive_;	2479	sub inv_recursive_;
1697	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
1700		2483
1701	sub inv_recursive {	2484	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
1703	}	2486	}
1704		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
		2514	}
		2515
1705	package cf;	2516	package cf;
1706		2517
1707	=back	2518	=back
1708		2519
1709	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2527	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1718		2529
1719	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
1720		2545
1721	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2547	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1726		2551
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2553
1729	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1731	} else {	2557	} else {
		2558	my $pl = $self->contr;
		2559
		2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2561	my $dialog = $pl->{npc_dialog};
		2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2563
		2564	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1734	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
1735	}	2579	}
1736		2580
1737	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1738		2582
1739	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1752		2596
1753	=item $player_object->enter_link	2597	=item $player_object->enter_link
1754		2598
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2600
1757	The player should be reasonably safe there for short amounts of time. You	2601	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
1759		2605
1760	Will never block.	2606	Will never block.
1761		2607
1762	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1763		2609
…		…
1783	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2630	my ($self) = @_;
1785		2631
1786	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1787		2633
		2634	++$self->{_link_recursion};
		2635
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2637
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2639	if $self->map && $self->map->{path} ne "{link}";
1792		2640
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2642	}
1795		2643
1796	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
		2646
		2647	return unless $self->contr->active;
1798		2648
1799	my $link_pos = delete $self->{_link_pos};	2649	my $link_pos = delete $self->{_link_pos};
1800		2650
1801	unless ($map) {	2651	unless ($map) {
1802	# restore original map position	2652	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
1815		2665
1816	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
1819		2669
1820	$map->load;	2670	$map->load;
1821	$map->load_diag;	2671	$map->load_neighbours;
1822		2672
1823	return unless $self->contr->active;	2673	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2674
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
1828	}	2677	# entering was successful
1829		2678	delete $self->{_link_recursion};
1830	cf::player->attach (	2679	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2680	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2681	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2682
1844	# try to abort aborted map switching on player login :)	2683	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2684
1862	=item $player_object->goto ($path, $x, $y)	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2686
		2687	Moves the player to the given map-path and coordinates by first freezing
		2688	her, loading and preparing them map, calling the provided $check callback
		2689	that has to return the map if sucecssful, and then unfreezes the player on
		2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
		2695
1864	=cut	2696	=cut
		2697
		2698	our $GOTOGEN;
1865		2699
1866	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
		2708
		2709	# do generation counting so two concurrent goto's will be executed in-order
		2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2711
1869	$self->enter_link;	2712	$self->enter_link;
1870		2713
1871	(async {	2714	(async {
		2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
1872	my $map = eval {	2736	my $map = eval {
1873	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
		2738
		2739	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2740	$map = $map->customise_for ($self);
		2741	$map = $check->($map, $x, $y, $self) if $check && $map;
		2742	} else {
		2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2744	}
		2745
1875	$map	2746	$map
		2747	};
		2748
		2749	if ($@) {
		2750	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2751	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2752	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2753
		2754	if ($gen == $self->{_goto_generation}) {
		2755	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
		2757	}
		2758
		2759	$done->($self) if $done;
1880	})->prio (1);	2760	})->prio (1);
1881	}	2761	}
1882		2762
1883	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
1884		2764
…		…
1904	}	2784	}
1905		2785
1906	sub prepare_random_map {	2786	sub prepare_random_map {
1907	my ($exit) = @_;	2787	my ($exit) = @_;
1908		2788
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2791	# that depends on the exit object
1914		2792
1915	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2795	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
1922	}	2802	}
1923		2803
1924	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
1925		2805
1926	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
1929		2809
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2812	undef $fh;
1933	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
1934		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
1937	}	2821	}
1938	}	2822	}
1939		2823
1940	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
1942		2826
1943	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
1944		2828
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2829	$self->enter_link;
1955		2830
1956	(async {	2831	(async {
1957	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
1958	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
		2841	prepare_random_map $exit
		2842	if $exit->slaying eq "/!";
		2843	}
		2844
		2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
		2848
1959	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
1960		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
1961	1;	2855	1
1962	}) {	2856	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2861
1968	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2863	$self->leave_link;
1970	}	2864	}
1971	})->prio (1);	2865	})->prio (1);
1972	}	2866	}
1973		2867
…		…
1987		2881
1988	utf8::encode $text;	2882	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2884	}
1991		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
		2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2912
		2913	Send a drawinfo or msg packet to the client, formatting the msg for the
		2914	client if neccessary. C<$type> should be a string identifying the type of
		2915	the message, with C<log> being the default. If C<$color> is negative, suppress
		2916	the message unless the client supports the msg packet.
		2917
		2918	=cut
		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
		3034	sub cf::client::send_msg {
		3035	my ($self, $channel, $msg, $color, @extra) = @_;
		3036
		3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
		3058
		3059	return unless @extra || length $msg;
		3060
		3061	# default colour, mask it out
		3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3063	if $color & cf::NDI_DEF;
		3064
		3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
		3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3068	);
		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
		3073	=item $client->ext_msg ($type, @msg)
		3074
		3075	Sends an ext event to the client.
		3076
		3077	=cut
		3078
		3079	sub cf::client::ext_msg($$@) {
		3080	my ($self, $type, @msg) = @_;
		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
		3085	push @msg, msgtype => "event_$type";
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
		3106	}
1992		3107
1993	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
1994		3109
1995	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3111	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3112	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3113
1999	Queries can fail, so check the return code. Or don't, as queries will become	3114	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3115	become reliable at some point in the future.
2001		3116
2002	=cut	3117	=cut
2003		3118
2004	sub cf::client::query {	3119	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3128	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3130
2016	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
2018	}	3135	}
2019		3136
2020	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
2021	on_reply => sub {	3143	on_reply => sub {
2022	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
2023		3145
2024	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
2025	# get handled first	3147	# get handled first
…		…
2037	} else {	3159	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3161	}
2040	}	3162	}
2041	},	3163	},
		3164	on_exticmd => sub {
		3165	my ($ns, $buf) = @_;
		3166
		3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3168
		3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
		3177	if (my $cb = $EXTICMD{$type}) {
		3178	@reply = $cb->($ns, @payload);
		3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
		3184	} else {
		3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3186	}
		3187
		3188	cf::override;
		3189	},
2042	);	3190	);
2043		3191
2044	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
2045		3193
2046	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3210
2063	$coro	3211	$coro
2064	}	3212	}
2065		3213
2066	cf::client->attach (	3214	cf::client->attach (
2067	on_destroy => sub {	3215	on_client_destroy => sub {
2068	my ($ns) = @_;	3216	my ($ns) = @_;
2069		3217
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3219	},
2072	);	3220	);
…		…
2087	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2089		3237
2090	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2091		3239
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2093		3245
2094	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2095		3247
2096	=pod	3248	=pod
2097		3249
2098	The following fucntions and emthods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2099		3251
2100	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
2101	cf::object::player player	3257	cf::object::player
2102	cf::player peaceful	3258	player
2103	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2104		3265
2105	=cut	3266	=cut
2106		3267
2107	for (	3268	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2112	) {	3275	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3278	for @funs;
2117	}	3279	}
2118		3280
…		…
2133		3295
2134	my $qcode = $code;	3296	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2137		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2138	local $_;	3303	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3304
2141	my $eval =	3305	my $eval =
2142	"do {\n"	3306	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3309	. $code
2146	. "\n}"	3310	. "\n}"
2147	;	3311	;
2148		3312
		3313	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2152		3322
2153	if ($@) {	3323	if ($@) {
2154	warn "$@";	3324	warn "$@",
2155	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2157	}	3327	}
2158		3328
2159	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2160	}	3330	}
2161		3331
…		…
2175	=cut	3345	=cut
2176		3346
2177	sub register_script_function {	3347	sub register_script_function {
2178	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2179		3349
2180	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2182	}	3352	}
2183		3353
2184	=back	3354	=back
2185		3355
2186	=cut	3356	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3357
2260	#############################################################################	3358	#############################################################################
2261	# the server's init and main functions	3359	# the server's init and main functions
2262		3360
2263	sub load_faces {	3361	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3362	my ($path) = @_;
2265		3363
		3364	# HACK to clear player env face cache, we need some signal framework
		3365	# for this (global event?)
		3366	%ext::player_env::MUSIC_FACE_CACHE = ();
		3367
		3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3369
2266	warn "loading faces from $path\n";	3370	trace "loading facedata from $path\n";
2267		3371
2268	my $faces;	3372	my $facedata;
2269	0 < aio_load $path, $faces	3373	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3374	or die "$path: $!";
2271		3375
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3376	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3377
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3378	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3380
		3381	# patch in the exptable
		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3383	$facedata->{resource}{"res/exp_table"} = {
		3384	type => FT_RSRC,
		3385	data => $exp_table,
		3386	hash => (Digest::MD5::md5 $exp_table),
		3387	};
		3388	cf::cede_to_tick;
		3389
		3390	{
		3391	my $faces = $facedata->{faceinfo};
		3392
2280	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3395
		3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	Coro::cede;	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	}
2286		3400
		3401	cf::cede_to_tick;
		3402	}
		3403
2287	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2289	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
		3408	or next;
		3409
		3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
		3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3413	} else {
		3414	error "smooth face '$info->{smooth}' not found for face '$face'";
		3415	}
		3416
		3417	cf::cede_to_tick;
		3418	}
		3419	}
		3420
		3421	{
		3422	my $anims = $facedata->{animinfo};
		3423
		3424	while (my ($anim, $info) = each %$anims) {
		3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3426	cf::cede_to_tick;
		3427	}
		3428
		3429	cf::anim::invalidate_all; # d'oh
		3430	}
		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
		3451	1
		3452	}
		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
		3462	sub load_resource_file($) {
		3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
		3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
		3477	load_resource_file "$MAPDIR/regions"
		3478	or die "unable to load regions file\n";
		3479
		3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
		3484	}
		3485
		3486	sub reload_facedata {
		3487	load_facedata "$DATADIR/facedata"
		3488	or die "unable to load facedata\n";
		3489	}
		3490
		3491	sub reload_archetypes {
		3492	load_resource_file "$DATADIR/archetypes"
		3493	or die "unable to load archetypes\n";
		3494	}
		3495
		3496	sub reload_treasures {
		3497	load_resource_file "$DATADIR/treasures"
		3498	or die "unable to load treasurelists\n";
		3499	}
		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
2290	or next;	3511	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;
2293	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}
2296	Coro::cede;
2297	}
2298		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2299	1	3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
2300	}	3522	}
2301		3523
2302	sub reload_resources {	3524	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3525	trace "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3526
2305	load_faces	3527	reload_facedata;
2306	or die "unable to load faces\n";#d#	3528	reload_sound;
2307	}	3529	reload_archetypes;
2308
2309	sub init {
2310	reload_resources;	3530	reload_regions;
2311	}	3531	reload_treasures;
2312		3532
2313	sub cfg_load {	3533	trace "finished reloading resource files\n";
		3534	}
		3535
		3536	sub reload_config {
		3537	trace "reloading config file...\n";
		3538
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3540	or return;
2316		3541
2317	local $/;	3542	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2319		3544
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2321		3546
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2324		3549
2325	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2327	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2328	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2329	};	3554	};
2330	warn $@ if $@;	3555	warn $@ if $@;
2331	}	3556	}
		3557
		3558	trace "finished reloading resource files\n";
		3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2332	}	3587	}
2333		3588
2334	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
2335	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3602	(async {
2339	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2341	};	3606	};
2342		3607
2343	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
		3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
2344	db_init;	3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
2345	load_extensions;	3631	load_extensions;
2346		3632
2347	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
2349	}	3646	}
2350		3647
2351	#############################################################################	3648	#############################################################################
2352	# initialisation and cleanup	3649	# initialisation and cleanup
2353		3650
2354	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2355	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2364	},
2365	);	3657	};
		3658	}
		3659	}
		3660
		3661	sub write_runtime_sync {
		3662	my $t0 = AE::time;
		3663
		3664	# first touch the runtime file to show we are still running:
		3665	# the fsync below can take a very very long time.
		3666
		3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3668
		3669	my $guard = cf::lock_acquire "write_runtime";
		3670
		3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3672	or return;
		3673
		3674	my $value = $cf::RUNTIME + 90 + 10;
		3675	# 10 is the runtime save interval, for a monotonic clock
		3676	# 60 allows for the watchdog to kill the server.
		3677
		3678	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3679	and return;
		3680
		3681	# always fsync - this file is important
		3682	aio_fsync $fh
		3683	and return;
		3684
		3685	# touch it again to show we are up-to-date
		3686	aio_utime $fh, undef, undef;
		3687
		3688	close $fh
		3689	or return;
		3690
		3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3692	and return;
		3693
		3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3695
2366	}	3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
2367	}	3747	}
2368		3748
2369	sub emergency_save() {	3749	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2371		3751
2372	warn "enter emergency perl save\n";	3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
2373		3758
2374	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2375	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3770	$pl->save;
2383	}	3771	}
2384	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2385		3773
2386	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3779	$map->valid or next;
2390	$map->save;	3780	$map->save;
2391	}	3781	}
2392	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2393		3783
2394	warn "begin emergency database checkpoint\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
2397	};	3812	};
2398		3813
2399	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2400	}	3815	}
2401		3816
2402	sub post_cleanup {	3817	sub post_cleanup {
2403	my ($make_core) = @_;	3818	my ($make_core) = @_;
2404		3819
		3820	IO::AIO::flush;
		3821
2405	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3823	if $make_core;
2407	}
2408		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
		3852	}
		3853
2409	sub reload() {	3854	sub do_reload_perl() {
2410	# can/must only be called in main	3855	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2412	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2413	return;	3858	return;
2414	}	3859	}
2415		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2416	warn "reloading...";	3866	info "reloading...";
2417		3867
2418	warn "entering sync_job";	3868	trace "entering sync_job";
2419		3869
2420	cf::sync_job {	3870	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark
2422	cf::emergency_save;	3871	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark
2424		3872
2425	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;
2427
2428	# if anything goes wrong in here, we should simply crash as we already saved
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();	3875	%EXT_CORO = ();
2449		3876
2450	warn "removing commands";	3877	trace "removing commands";
2451	%COMMAND = ();	3878	%COMMAND = ();
2452		3879
2453	warn "removing ext commands";	3880	trace "removing ext/exti commands";
2454	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2455		3883
2456	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2459		3887
2460	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2461	eval {	3889	eval {
2462	$cb->($pkg);	3890	$cb->($pkg);
2463	1	3891	1
2464	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
2465	}	3897	}
2466		3898
2467	warn "... nuking $pkg";
2468	Symbol::delete_package $pkg;
2469	}
2470
2471	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2472	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3902
2475	warn "... unloading $k";	3903	trace "... unloading $k";
2476	delete $INC{$k};	3904	delete $INC{$k};
2477		3905
2478	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2480		3908
2481	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2482	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2483	}	3914	}
2484		3915
2485	Symbol::delete_package $k;
2486	}
2487
2488	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3919
2492	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
		3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		3923
2495	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3925	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2498		3927
2499	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
2500		3929
2501	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2502	require cf;	3931	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2504		3933
2505	warn "loading config and database again";	3934	trace "loading config and database again";
2506	cf::cfg_load;	3935	cf::reload_config;
2507		3936
2508	warn "loading extensions";	3937	trace "loading extensions";
2509	cf::load_extensions;	3938	cf::load_extensions;
2510		3939
		3940	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
2517		3948
2518	warn "loading reloadable resources";	3949	trace "running post_init jobs";
2519	reload_resources;	3950	(pop @POST_INIT)->(1) while @POST_INIT;
2520		3951
2521	warn "leaving sync_job";	3952	trace "leaving sync_job";
2522		3953
2523	1	3954	1
2524	} or do {	3955	} or do {
2525	warn $@;	3956	error $@;
2526	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
2527	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
		3962	}
		3963
		3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
		3966	};
		3967
		3968	our $RELOAD_WATCHER; # used only during reload
		3969
		3970	sub reload_perl() {
		3971	# doing reload synchronously and two reloads happen back-to-back,
		3972	# coro crashes during coro_state_free->destroy here.
		3973
		3974	$RELOAD_WATCHER ||= cf::async {
		3975	Coro::AIO::aio_wait cache_extensions;
		3976
		3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3978	do_reload_perl;
		3979	undef $RELOAD_WATCHER;
		3980	};
2528	};	3981	};
2529		3982	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		3983
2535	register_command "reload" => sub {	3984	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2537		3986
2538	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
2540		3989	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3990	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3991	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3992	};
2553	}	3993	}
2554	};	3994	};
2555		3995
2556	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2557		3997
2558	my $bug_warning = 0;	3998	my $bug_warning = 0;
2559		3999
2560	$TICK_WATCHER = Event->timer (	4000	our @WAIT_FOR_TICK;
2561	reentrant => 0,	4001	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	4002
2563	prio => 0,	4003	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	4005
2566	cb => sub {	4006	my $signal = new Coro::Signal;
		4007	push @WAIT_FOR_TICK, $signal;
		4008	$signal->wait;
		4009	}
		4010
		4011	sub wait_for_tick_begin {
		4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4013
		4014	my $signal = new Coro::Signal;
		4015	push @WAIT_FOR_TICK_BEGIN, $signal;
		4016	$signal->wait;
		4017	}
		4018
		4019	sub tick {
2567	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
2570	return;	4023	return;
2571	}	4024	}
2572		4025
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		4027
		4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4029
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	4032	Coro::async_pool {
		4033	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	4034	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	4035	or error "ERROR: unable to write runtime file: $!";
2584	};
2585	}	4036	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	4037	}
2599	);	4038
		4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4040	$sig->send;
		4041	}
		4042	while (my $sig = shift @WAIT_FOR_TICK) {
		4043	$sig->send;
		4044	}
		4045
		4046	$LOAD = ($NOW - $TICK_START) / $TICK;
		4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4048
		4049	if (0) {
		4050	if ($NEXT_TICK) {
		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
		4055	}
		4056	}
2600		4057
2601	{	4058	{
2602	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	4060
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
2612		4062	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		4064
2628	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		4072
2631	cf::sync_job {	4073	cf::sync_job {
2632	eval {	4074	eval {
2633	BDB::db_env_open	4075	BDB::db_env_open
2634	$DB_ENV,	4076	$DB_ENV,
2635	$BDB_ENV_DIR,	4077	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	4080	0666;
2639		4081
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	4083	};
2645		4084
2646	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	4086	};
2648	}	4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
2649	}	4098	}
2650		4099
2651	{	4100	{
		4101	# configure IO::AIO
		4102
2652	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	4106	}
		4107
		4108	my $_log_backtrace;
		4109
		4110	sub _log_backtrace {
		4111	my ($msg, @addr) = @_;
		4112
		4113	$msg =~ s/\n//;
		4114
		4115	# limit the # of concurrent backtraces
		4116	if ($_log_backtrace < 2) {
		4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
		4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
		4122	my @bt = fork_call {
		4123	@addr = map { sprintf "%x", $_ } @addr;
		4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4126	or die "addr2line: $!";
		4127
		4128	my @funcs;
		4129	my @res = <$fh>;
		4130	chomp for @res;
		4131	while (@res) {
		4132	my ($func, $line) = splice @res, 0, 2, ();
		4133	push @funcs, "[$func] $line";
		4134	}
		4135
		4136	@funcs
		4137	};
		4138
		4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4141	LOG llevInfo, "[ABT] $_\n" for @bt;
		4142	--$_log_backtrace;
		4143	};
		4144	} else {
		4145	LOG llevInfo, "[ABT] $msg\n";
		4146	LOG llevInfo, "[ABT] [suppressed]\n";
		4147	}
		4148	}
		4149
		4150	# load additional modules
		4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
2665		4153
2666	END { cf::emergency_save }	4154	END { cf::emergency_save }
2667		4155
2668	1	4156	1
2669		4157

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