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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 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"
376	}	770	}
377		771
378	=item cf::datalog type => key => value, ...	772	=item cf::datalog type => key => value, ...
379		773
380	Log a datalog packet of the given type with the given key-value pairs.	774	Log a datalog packet of the given type with the given key-value pairs.
381		775
382	=cut	776	=cut
383		777
384	sub datalog($@) {	778	sub datalog($@) {
385	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	781	}
388		782
389	=back	783	=back
390		784
391	=cut	785	=cut
392		786
393	#############################################################################	787	#############################################################################
394		788
395	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
396		790
397	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
398	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")
399	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
400		794
401	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>
402	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
403	crossfire+).	797	Deliantra).
404		798
405	=over 4	799	=over 4
406		800
407	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
408		802
…		…
452	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
453		847
454	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
456		850
457	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
459		853
460	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
461		855
462	=over 4	856	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
572		966
573	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		971
578	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	973	my $pkg = shift @arg;
580		974
581	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
586		980
587	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		983
590	} elsif (ref $type) {	984	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
592		986
593	} else {	987	} else {
594	shift @arg;	988	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
596	}	990	}
597	}	991	}
598	}	992	}
599		993
600	sub _object_attach {	994	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
611	}	1005	}
612		1006
613	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
614	} else {	1008	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1010	}
617		1011
618	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
619	}	1013	}
620		1014
…		…
622	if (ref $_[0]) {	1016	if (ref $_[0]) {
623	_object_attach @_;	1017	_object_attach @_;
624	} else {	1018	} else {
625	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
626	}	1020	}
		1021	_recalc_want;
627	};	1022	};
628		1023
629	# all those should be optimised	1024	# all those should be optimised
630	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1030	reattach ($obj);
636	} else {	1031	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
638	}	1033	}
		1034	_recalc_want;
639	};	1035	};
640		1036
641	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
643		1039
…		…
658	";	1054	";
659	die if $@;	1055	die if $@;
660	}	1056	}
661		1057
662	our $override;	1058	our $override;
663	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?
664		1060
665	sub override {	1061	sub override {
666	$override = 1;	1062	$override = 1;
667	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
668	}	1064	}
669		1065
670	sub do_invoke {	1066	sub do_invoke {
671	my $event = shift;	1067	my $event = shift;
672	my $callbacks = shift;	1068	my $callbacks = shift;
673		1069
674	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
675		1071
676	local $override;	1072	local $override;
677		1073
678	for (@$callbacks) {	1074	for (@$callbacks) {
679	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
680		1076
681	if ($@) {	1077	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1079	override;
685	}	1080	}
686		1081
687	return 1 if $override;	1082	return 1 if $override;
688	}	1083	}
689		1084
690	0	1085	0
691	}	1086	}
692		1087
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1089
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1091
697	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
698		1093
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1097
703	=back	1098	=back
704		1099
705	=cut	1100	=cut
706		1101
707	#############################################################################	1102	#############################################################################
708	# 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, $ob2
		1145	}
709		1146
710	sub reattach {	1147	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1149	my ($obj) = @_;
713		1150
		1151	# no longer needed after getting rid of delete_package?
714	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
715		1153
716	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
717		1155
718	@$registry = ();	1156	@$registry = ();
719		1157
…		…
724	for (@$attach) {	1162	for (@$attach) {
725	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
727	}	1165	}
728	} else {	1166	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1168	}
731	}	1169	}
732	}	1170	}
733		1171
734	cf::attachable->attach (	1172	cf::attachable->attach (
735	prio => -1000000,	1173	prio => -1000000,
736	on_instantiate => sub {	1174	on_instantiate => sub {
737	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
738		1176
739	$data = from_json $data;	1177	$data = decode_json $data;
740		1178
741	for (@$data) {	1179	for (@$data) {
742	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
743		1181
744	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1198	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
762		1200
763	sync_job {	1201	sync_job {
764	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
767		1207
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1215	aio_close $fh;
773		1216
774	if (@$objs) {	1217	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1226	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
782	}	1228	}
783	} else {	1229	} else {
784	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
785	}	1231	}
786		1232
787	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1237	} else {
789	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
790	}	1239	}
791	} else {	1240	} else {
792	aio_unlink $filename;	1241	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
794	}	1243	}
795	}	1244	};
796	}	1245	}
797		1246
798	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
800		1249
…		…
812	or return;	1261	or return;
813		1262
814	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
816	or return;	1265	or return;
		1266
817	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
818	}	1269	}
819		1270
		1271	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
822	return ($data, $av);	1276	($data, $av)
823	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
824		1284
825	#############################################################################	1285	#############################################################################
826	# command handling &c	1286	# command handling &c
827		1287
828	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1302	}
843		1303
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1305
846	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.
847		1311
848	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
849	called.	1313	called.
850		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
851	=cut	1326	=cut
852		1327
853	sub register_extcmd {	1328	sub register_extcmd {
854	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
855		1330
856	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
857	}	1332	}
858		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
859	cf::player->attach (	1342	cf::player->attach (
860	on_command => sub {	1343	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
862		1345
863	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
864	or return;	1347	or return;
865		1348
…		…
870	cf::override;	1353	cf::override;
871	},	1354	},
872	on_extcmd => sub {	1355	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
874		1357
875	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1359
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
883	} else {	1375	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1377	}
886		1378
887	cf::override;	1379	cf::override;
888	},	1380	},
889	);	1381	);
890		1382
		1383	# "readahead" all extensions
891	sub load_extension {	1384	sub cache_extensions {
892	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
893		1386
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1390	}
919	die $@;
920	}	1391	};
921		1392
922	push @EXTS, $pkg;	1393	$grp
923	}	1394	}
924		1395
925	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
926	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1403	next unless -r $path;
928	eval {	1404
929	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 $active;
		1468	}
930	1	1469	}
931	} or warn "$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	}
932	}	1480	};
933	}	1481	}
934		1482
935	#############################################################################	1483	#############################################################################
936		1484
		1485	=back
		1486
937	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
938		1488
939	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
940		1490
941	=cut	1491	=cut
942		1492
943	package cf::player;	1493	package cf::player;
944		1494
…		…
946		1496
947	=head3 cf::player	1497	=head3 cf::player
948		1498
949	=over 4	1499	=over 4
950		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
951	=item cf::player::find $login	1515	=item cf::player::find $login
952		1516
953	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
954		1518
955	=cut	1519	=cut
956		1520
957	sub playerdir($) {	1521	sub playerdir($) {
958	cf::localdir	1522	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1523	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1524	}
964		1525
965	sub path($) {	1526	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1527	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1537
977	sub exists($) {	1538	sub exists($) {
978	my ($login) = @_;	1539	my ($login) = @_;
979		1540
980	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
982	}	1543	}
983		1544
984	sub find($) {	1545	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1547	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1557	aio_unlink +(playerdir $login) . "/$login.pl";
997		1558
998	my $pl = load_pl path $login	1559	my $f = new_from_file cf::object::thawer path $login
999	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;
1000	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
1001	}	1568	}
1002	}	1569	}
1003	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($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	);
1004		1584
1005	sub save($) {	1585	sub save($) {
1006	my ($pl) = @_;	1586	my ($pl) = @_;
1007		1587
1008	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1013	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1014		1594
1015	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1017		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
1018	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1019	Coro::cede;	1604	cf::cede_to_tick;
1020	}	1605	}
1021		1606
1022	sub new($) {	1607	sub new($) {
1023	my ($login) = @_;	1608	my ($login) = @_;
1024		1609
…		…
1030	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1031		1616
1032	$self	1617	$self
1033	}	1618	}
1034		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
1035	=item $pl->quit_character	1630	=item $pl->quit_character
1036		1631
1037	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1039		1634
…		…
1043	my ($pl) = @_;	1638	my ($pl) = @_;
1044		1639
1045	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1046		1641
1047	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1048	$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
1049		1644
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1053	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1054		1650
1055	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1086	while and may block, so not sync_job-capable, ever.	1682	while and may block, so not sync_job-capable, ever.
1087		1683
1088	=cut	1684	=cut
1089		1685
1090	sub list_logins {	1686	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1687	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1688	or return [];
1093		1689
1094	my @logins;	1690	my @logins;
1095		1691
1096	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") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1100		1702
1101	utf8::decode $login;	1703	utf8::decode $login;
1102	push @logins, $login;	1704	push @logins, $login;
1103	}	1705	}
1104		1706
1105	\@logins	1707	\@logins
1106	}	1708	}
1107		1709
1108	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1109		1713
1110	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1111	player. May block.	1715	player. May block.
1112		1716
1113	=cut	1717	=cut
…		…
1131	}	1735	}
1132		1736
1133	\@paths	1737	\@paths
1134	}	1738	}
1135		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1136	=item $player->ext_reply ($msgid, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1137		1745
1138	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1139		1747
1140	=cut	1748	=cut
1141		1749
1142	sub ext_reply($$%) {	1750	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1144		1752
1145	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1754	}
1149		1755
1150	=item $player->ext_event ($type, %msg)	1756	=item $player->ext_msg ($type, @msg)
1151		1757
1152	Sends an ext event to the client.	1758	Sends an ext event to the client.
1153		1759
1154	=cut	1760	=cut
1155		1761
1156	sub ext_event($$%) {	1762	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1763	my ($self, $type, @msg) = @_;
1158		1764
1159	$self->ns->ext_event ($type, %msg);	1765	$self->ns->ext_msg ($type, @msg);
1160	}	1766	}
1161		1767
1162	package cf;	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	}
1163		1798
1164	=back	1799	=back
1165
1166		1800
1167	=head3 cf::map	1801	=head3 cf::map
1168		1802
1169	=over 4	1803	=over 4
1170		1804
…		…
1182	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1184		1818
1185	sub generate_random_map {	1819	sub generate_random_map {
1186	my ($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
1187	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1825	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1192	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1193	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1210		1847
1211	sub register {	1848	sub register {
1212	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1213	my $pkg = caller;	1850	my $pkg = caller;
1214		1851
1215	no strict;
1216	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1217		1853
1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1219	}	1855	}
1220		1856
1221	# also paths starting with '/'	1857	# also paths starting with '/'
1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1223		1859
1224	sub thawer_merge {	1860	sub thawer_merge {
1225	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1226		1862
1227	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1228	local $self->{path};	1864	local $self->{path};
1229	local $self->{load_path};	1865	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1866
1233	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1234	}	1868	}
1235		1869
1236	sub normalise {	1870	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1284	return $self;	1918	return $self;
1285	}	1919	}
1286	}	1920	}
1287		1921
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1923	()
1290	}	1924	}
1291		1925
1292	sub init {	1926	sub init {
1293	my ($self) = @_;	1927	my ($self) = @_;
…		…
1308		1942
1309	# the original (read-only) location	1943	# the original (read-only) location
1310	sub load_path {	1944	sub load_path {
1311	my ($self) = @_;	1945	my ($self) = @_;
1312		1946
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1314	}	1948	}
1315		1949
1316	# the temporary/swap location	1950	# the temporary/swap location
1317	sub save_path {	1951	sub save_path {
1318	my ($self) = @_;	1952	my ($self) = @_;
1319		1953
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1322	}	1956	}
1323		1957
1324	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1325	sub uniq_path {	1959	sub uniq_path {
1326	my ($self) = @_;	1960	my ($self) = @_;
1327		1961
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1330	}	1964	}
1331		1965
1332	# and all this just because we cannot iterate over	1966	sub decay_objects {
1333	# all maps in C++...
1334	sub change_all_map_light {
1335	my ($change) = @_;	1967	my ($self) = @_;
1336		1968
1337	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1338	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1339	}	1972	}
1340		1973
1341	sub unlink_save {	1974	sub unlink_save {
1342	my ($self) = @_;	1975	my ($self) = @_;
1343		1976
…		…
1348		1981
1349	sub load_header_from($) {	1982	sub load_header_from($) {
1350	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1351		1984
1352	utf8::encode $path;	1985	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	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;
1358		1994
1359	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1360		1996
1361	1	1997	1
1362	}	1998	}
…		…
1401	$self->load_header_orig	2037	$self->load_header_orig
1402	or return;	2038	or return;
1403	$self->prepare_orig;	2039	$self->prepare_orig;
1404	}	2040	}
1405		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 $self->default_region;
		2047
1406	1	2048	1
1407	}	2049	}
1408		2050
1409	sub find;	2051	sub find;
1410	sub find {	2052	sub find {
1411	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1412		2054
1413	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1414		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1416		2059
1417	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";
1419	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1420	or return;	2062	or return;
1421		2063
1422	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1423		2065
1424	$map->load_header	2066	$map->load_header
1425	or return;	2067	or return;
1426		2068
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1430	$map->reset;	2074	$map->reset;
1431	undef $guard;
1432	return find $path;	2075	return find $path;
1433	}	2076	}
1434		2077
1435	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1436	}	2079	}
1437	}	2080	}
1438		2081
1439	sub pre_load { }	2082	sub pre_load { }
1440	sub post_load { }	2083	#sub post_load { } # XS
1441		2084
1442	sub load {	2085	sub load {
1443	my ($self) = @_;	2086	my ($self) = @_;
1444		2087
1445	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1446		2089
1447	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1449		2094
		2095	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2097
1452	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1453		2099
1454	$self->alloc;	2100	$self->alloc;
1455		2101
1456	$self->pre_load;	2102	$self->pre_load;
		2103	cf::cede_to_tick;
1457		2104
1458	$self->_load_objects ($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)
1459	or return;	2108	or return;
1460		2109
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1462	if delete $self->{load_original};	2111	if delete $self->{load_original};
1463		2112
1464	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2114	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2117	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1469	}	2121	}
1470	}	2122	}
1471		2123
1472	Coro::cede;	2124	$f->resolve_delayed_derefs;
1473		2125
		2126	cf::cede_to_tick;
1474	# now do the right thing for maps	2127	# now do the right thing for maps
1475	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2130	unless $self->difficulty;
1485	Coro::cede;	2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1486	$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);
1487	}	2145	}
1488		2146
1489	$self->post_load;	2147	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2148	}
1493		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1494	sub customise_for {	2153	sub customise_for {
1495	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1496		2155
1497	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2157	if $self->per_player;
1499		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1500	$self	2162	$self
1501	}	2163	}
1502		2164
1503	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2166	sub load_neighbours {
1505	my ($map) = @_;	2167	my ($map) = @_;
1506		2168
1507	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1508		2170
1509	for (0 .. 3) {	2171	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1511	or next;	2173	or next;
1512	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1513	or next;	2175	or next;
1514	$neigh->load;	2176	$neigh->load;
1515		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2182	}
1519		2183
1520	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1522	or next;	2187	or next;
1523	$neigh->load;	2188	$neigh->load;
1524	}	2189	}
1525	}	2190	}
1526		2191
1527	sub find_sync {	2192	sub find_sync {
1528	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1529		2194
1530	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, $origin
1531	}	2199	}
1532		2200
1533	sub do_load_sync {	2201	sub do_load_sync {
1534	my ($map) = @_;	2202	my ($map) = @_;
1535		2203
1536	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;
1537	}	2208	}
1538		2209
1539	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1541		2212
1542	sub find_async {	2213	sub find_async {
1543	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1544		2215
1545	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1546		2217
1547	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2220	}
1550		2221
1551	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1552	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1553	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2229	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2230	$map->load if $v;
		2231	}
1558		2232
1559	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1560	}	2234	}
1561	}	2235	}
1562	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1563	};	2237	};
1564	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1565		2239
1566	()	2240	()
1567	}	2241	}
1568		2242
		2243	# common code, used by both ->save and ->swapout
1569	sub save {	2244	sub _save {
1570	my ($self) = @_;	2245	my ($self) = @_;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1573		2246
1574	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1575		2248
1576	return unless $self->dirty;	2249	return unless $self->dirty;
1577		2250
…		…
1583	return if $self->{deny_save};	2256	return if $self->{deny_save};
1584		2257
1585	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1586		2259
1587	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1589	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1590		2266
1591	if ($uniq) {	2267	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2270	} else {
1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1596	}	2272	}
1597	}	2273	}
1598		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1599	sub swap_out {	2283	sub swap_out {
1600	my ($self) = @_;	2284	my ($self) = @_;
1601		2285
1602	# save first because save cedes
1603	$self->save;
1604
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1607	return if $self->players;	2290	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1609	return if $self->{deny_save};
1610		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
1611	$self->clear;	2301	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2302	}
1614		2303
1615	sub reset_at {	2304	sub reset_at {
1616	my ($self) = @_;	2305	my ($self) = @_;
1617		2306
1618	# TODO: safety, remove and allow resettable per-player maps	2307	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2308	return 1e99 if $self->{deny_reset};
1621		2309
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2310	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2311	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2312
…		…
1635	my ($self) = @_;	2323	my ($self) = @_;
1636		2324
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2326
1639	return if $self->players;	2327	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2328
1642	warn "resetting map ", $self->path;#d#	2329	cf::trace "resetting map ", $self->path, "\n";
1643		2330
1644	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
1645		2332
1646	# need to save uniques path	2333	# need to save uniques path
1647	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2338	if $uniq;
1652	}	2339	}
1653		2340
1654	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1655		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2345	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2346
1660	$self->unlink_save;	2347	$self->unlink_save;
1661	$self->destroy;	2348	$self->destroy;
1662	}	2349	}
1663		2350
1664	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1665		2352
1666	sub nuke {	2353	sub nuke {
1667	my ($self) = @_;	2354	my ($self) = @_;
1668		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1669	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1670		2360
1671	$self->unlink_save;	2361	$self->unlink_save;
1672		2362
1673	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1674	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2368
1679	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1680		2371
1681	$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	]
1682	}	2409	}
1683		2410
1684	=item cf::map::unique_maps	2411	=item cf::map::unique_maps
1685		2412
1686	Returns an arrayref of paths of all shared maps that have	2413	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2414	instantiated unique items. May block.
1688		2415
1689	=cut	2416	=cut
1690		2417
1691	sub unique_maps() {	2418	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2419	[
1693	or return;	2420	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2421	utf8::decode $_;
1699	next if /\.pst$/;	2422	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2424	? ()
1702	push @paths, cf::map::normalise $_;	2425	: normalise $_
		2426	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2427	]
1704
1705	\@paths
1706	}	2428	}
1707		2429
1708	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	}
1709		2461
1710	=back	2462	=back
1711		2463
1712	=head3 cf::object	2464	=head3 cf::object
1713		2465
…		…
1717		2469
1718	=over 4	2470	=over 4
1719		2471
1720	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
1721		2473
1722	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.
1723		2476
1724	=cut	2477	=cut
1725		2478
1726	sub inv_recursive_;	2479	sub inv_recursive_;
1727	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
1730		2483
1731	sub inv_recursive {	2484	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
1733	}	2486	}
1734		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
1735	package cf;	2516	package cf;
1736		2517
1737	=back	2518	=back
1738		2519
1739	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
1745	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>
1746	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
1747	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1748		2529
1749	=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	};
1750		2545
1751	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2547	# with dialog boxes.
1753	#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
1754	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1756		2551
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2553
1759	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1761	} 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 {
1762	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1764	}	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 (@_);
1765	}	2579	}
1766		2580
1767	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1768		2582
1769	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1782		2596
1783	=item $player_object->enter_link	2597	=item $player_object->enter_link
1784		2598
1785	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}>).
1786		2600
1787	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.
1788	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.
1789		2605
1790	Will never block.	2606	Will never block.
1791		2607
1792	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1793		2609
…		…
1813	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1814	my ($self) = @_;	2630	my ($self) = @_;
1815		2631
1816	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1817		2633
		2634	++$self->{_link_recursion};
		2635
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2637
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2639	if $self->map && $self->map->{path} ne "{link}";
1822		2640
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1824	}	2642	}
1825		2643
1826	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
		2646
		2647	return unless $self->contr->active;
1828		2648
1829	my $link_pos = delete $self->{_link_pos};	2649	my $link_pos = delete $self->{_link_pos};
1830		2650
1831	unless ($map) {	2651	unless ($map) {
1832	# restore original map position	2652	# restore original map position
…		…
1843	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
1844	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
1845		2665
1846	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
1849		2669
1850	$map->load;	2670	$map->load;
1851	$map->load_diag;	2671	$map->load_neighbours;
1852		2672
1853	return unless $self->contr->active;	2673	return unless $self->contr->active;
1854	$self->activate_recursive;
1855		2674
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
1858	}	2677	# entering was successful
1859		2678	delete $self->{_link_recursion};
1860	cf::player->attach (	2679	# only activate afterwards, to support waiting in hooks
1861	on_logout => sub {	2680	$self->activate_recursive;
1862	my ($pl) = @_;
1863
1864	# abort map switching before logout
1865	if ($pl->ob->{_link_pos}) {
1866	cf::sync_job {
1867	$pl->ob->leave_link
1868	};
1869	}
1870	},	2681	}
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2682
1874	# try to abort aborted map switching on player login :)	2683	}
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2684
1892	=item $player_object->goto ($path, $x, $y)	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1893		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
1894	=cut	2696	=cut
		2697
		2698	our $GOTOGEN;
1895		2699
1896	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
1897	my ($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;
1898		2711
1899	$self->enter_link;	2712	$self->enter_link;
1900		2713
1901	(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
1902	my $map = eval {	2736	my $map = eval {
1903	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
		2738
		2739	if ($map) {
1904	$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
1905	$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 $@;
1906	} or	2752	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2753
		2754	if ($gen == $self->{_goto_generation}) {
		2755	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
		2757	}
		2758
		2759	$done->($self) if $done;
1910	})->prio (1);	2760	})->prio (1);
1911	}	2761	}
1912		2762
1913	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
1914		2764
…		…
1934	}	2784	}
1935		2785
1936	sub prepare_random_map {	2786	sub prepare_random_map {
1937	my ($exit) = @_;	2787	my ($exit) = @_;
1938		2788
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2791	# that depends on the exit object
1944		2792
1945	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2795	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
1952	}	2802	}
1953		2803
1954	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
1955		2805
1956	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
1959		2809
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2812	undef $fh;
1963	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
1964		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
1967	}	2821	}
1968	}	2822	}
1969		2823
1970	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
1972		2826
1973	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
1974		2828
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2829	$self->enter_link;
1987		2830
1988	(async {	2831	(async {
1989	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
1990	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
1991	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
1992		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
1993	1;	2855	1
1994	}) {	2856	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "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. "
1997	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2861
2000	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
2001	$self->leave_link;	2863	$self->leave_link;
2002	}	2864	}
2003	})->prio (1);	2865	})->prio (1);
2004	}	2866	}
2005		2867
…		…
2019		2881
2020	utf8::encode $text;	2882	utf8::encode $text;
2021	$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);
2022	}	2884	}
2023		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
2024	=item $client->ext_event ($type, %msg)	3073	=item $client->ext_msg ($type, @msg)
2025		3074
2026	Sends an exti event to the client.	3075	Sends an ext event to the client.
2027		3076
2028	=cut	3077	=cut
2029		3078
2030	sub cf::client::ext_event($$%) {	3079	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	3080	my ($self, $type, @msg) = @_;
2032		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	3085	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2035	}	3106	}
2036		3107
2037	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2038		3109
2039	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
2040	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>,
2041	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>.
2042		3113
2043	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
2044	reliable at some point in the future.	3115	become reliable at some point in the future.
2045		3116
2046	=cut	3117	=cut
2047		3118
2048	sub cf::client::query {	3119	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	3128	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		3130
2060	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
2062	}	3135	}
2063		3136
2064	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	},
2065	on_reply => sub {	3143	on_reply => sub {
2066	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
2067		3145
2068	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
2069	# get handled first	3147	# get handled first
…		…
2081	} else {	3159	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	3161	}
2084	}	3162	}
2085	},	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	},
2086	);	3190	);
2087		3191
2088	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
2089		3193
2090	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
2106		3210
2107	$coro	3211	$coro
2108	}	3212	}
2109		3213
2110	cf::client->attach (	3214	cf::client->attach (
2111	on_destroy => sub {	3215	on_client_destroy => sub {
2112	my ($ns) = @_;	3216	my ($ns) = @_;
2113		3217
2114	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2115	},	3219	},
2116	);	3220	);
…		…
2131	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2133		3237
2134	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2135		3239
2136	$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	));
2137		3245
2138	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2139		3247
2140	=pod	3248	=pod
2141		3249
2142	The following functions and methods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2143		3251
2144	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
2145	cf::object::player player	3257	cf::object::player
2146	cf::player peaceful	3258	player
2147	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2148		3265
2149	=cut	3266	=cut
2150		3267
2151	for (	3268	for (
2152	["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)],
2153	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2155	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2156	) {	3275	) {
2157	no strict 'refs';
2158	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2159	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2160	for @funs;	3278	for @funs;
2161	}	3279	}
2162		3280
…		…
2177		3295
2178	my $qcode = $code;	3296	my $qcode = $code;
2179	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2180	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2181		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2182	local $_;	3303	local $_;
2183	local @safe::cf::_safe_eval_args = values %vars;
2184		3304
2185	my $eval =	3305	my $eval =
2186	"do {\n"	3306	"do {\n"
2187	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2188	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2189	. $code	3309	. $code
2190	. "\n}"	3310	. "\n}"
2191	;	3311	;
2192		3312
		3313	if ($CFG{safe_eval}) {
2193	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2194	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2195	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	}
2196		3322
2197	if ($@) {	3323	if ($@) {
2198	warn "$@";	3324	warn "$@",
2199	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2200	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2201	}	3327	}
2202		3328
2203	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2204	}	3330	}
2205		3331
…		…
2219	=cut	3345	=cut
2220		3346
2221	sub register_script_function {	3347	sub register_script_function {
2222	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2223		3349
2224	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2225	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2226	}	3352	}
2227		3353
2228	=back	3354	=back
2229		3355
2230	=cut	3356	=cut
2231
2232	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303		3357
2304	#############################################################################	3358	#############################################################################
2305	# the server's init and main functions	3359	# the server's init and main functions
2306		3360
2307	sub load_facedata {	3361	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3362	my ($path) = @_;
2309		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
2310	warn "loading facedata from $path\n";	3370	trace "loading facedata from $path\n";
2311		3371
2312	my $facedata;	3372	my $facedata;
2313	0 < aio_load $path, $facedata	3373	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3374	or die "$path: $!";
2315		3375
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	3376	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3377
2320	$facedata->{version} == 2	3378	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		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
2323	{	3390	{
2324	my $faces = $facedata->{faceinfo};	3391	my $faces = $facedata->{faceinfo};
2325		3392
2326	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2331	Coro::cede;	3400
		3401	cf::cede_to_tick;
2332	}	3402	}
2333		3403
2334	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2336	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
2337	or next;	3408	or next;
		3409
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3413	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3414	error "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3415	}
2343	Coro::cede;	3416
		3417	cf::cede_to_tick;
2344	}	3418	}
2345	}	3419	}
2346		3420
2347	{	3421	{
2348	my $anims = $facedata->{animinfo};	3422	my $anims = $facedata->{animinfo};
2349		3423
2350	while (my ($anim, $info) = each %$anims) {	3424	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3426	cf::cede_to_tick;
2353	}	3427	}
2354		3428
2355	cf::anim::invalidate_all; # d'oh	3429	cf::anim::invalidate_all; # d'oh
2356	}	3430	}
2357		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
2358	1	3451	1
2359	}	3452	}
2360		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}[$_]
		3511	or next;
		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
		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	}
		3522	}
		3523
2361	sub reload_resources {	3524	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3525	trace "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3526
2364	load_facedata	3527	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3528	reload_sound;
2366	}	3529	reload_archetypes;
2367
2368	sub init {
2369	reload_resources;	3530	reload_regions;
2370	}	3531	reload_treasures;
2371		3532
2372	sub cfg_load {	3533	trace "finished reloading resource files\n";
		3534	}
		3535
		3536	sub reload_config {
		3537	trace "reloading config file...\n";
		3538
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3540	or return;
2375		3541
2376	local $/;	3542	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2378		3544
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2380		3546
2381	$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};
2382	$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};
2383		3549
2384	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2386	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2387	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2388	};	3554	};
2389	warn $@ if $@;	3555	warn $@ if $@;
2390	}	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;
2391	}	3587	}
2392		3588
2393	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
2394	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2396	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#
2397	(async {	3602	(async {
2398	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2400	};	3606	};
2401		3607
2402	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;
2403	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
2404	load_extensions;	3631	load_extensions;
2405		3632
2406	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2407	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;
2408	}	3646	}
2409		3647
2410	#############################################################################	3648	#############################################################################
2411	# initialisation and cleanup	3649	# initialisation and cleanup
2412		3650
2413	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2414	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2423	},
2424	);	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
2425	}	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 };
2426	}	3747	}
2427		3748
2428	sub emergency_save() {	3749	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2430		3751
2431	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;
2432		3758
2433	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2434	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3770	$pl->save;
2442	}	3771	}
2443	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2444		3773
2445	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";
2446	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3779	$map->valid or next;
2449	$map->save;	3780	$map->save;
2450	}	3781	}
2451	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2452		3783
2453	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";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2455	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
2456	};	3812	};
2457		3813
2458	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2459	}	3815	}
2460		3816
2461	sub post_cleanup {	3817	sub post_cleanup {
2462	my ($make_core) = @_;	3818	my ($make_core) = @_;
2463		3819
		3820	IO::AIO::flush;
		3821
2464	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3823	if $make_core;
2466	}
2467		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
2468	sub reload() {	3854	sub do_reload_perl() {
2469	# can/must only be called in main	3855	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2471	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2472	return;	3858	return;
2473	}	3859	}
2474		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2475	warn "reloading...";	3866	info "reloading...";
2476		3867
2477	warn "entering sync_job";	3868	trace "entering sync_job";
2478		3869
2479	cf::sync_job {	3870	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark
2481	cf::emergency_save;	3871	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark
2483		3872
2484	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;
2486
2487	# if anything goes wrong in here, we should simply crash as we already saved
2488
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();	3875	%EXT_CORO = ();
2508		3876
2509	warn "removing commands";	3877	trace "removing commands";
2510	%COMMAND = ();	3878	%COMMAND = ();
2511		3879
2512	warn "removing ext commands";	3880	trace "removing ext/exti commands";
2513	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2514		3883
2515	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2518		3887
2519	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2520	eval {	3889	eval {
2521	$cb->($pkg);	3890	$cb->($pkg);
2522	1	3891	1
2523	} 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;
2524	}	3897	}
2525		3898
2526	warn "... nuking $pkg";
2527	Symbol::delete_package $pkg;
2528	}
2529
2530	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2531	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3902
2534	warn "... unloading $k";	3903	trace "... unloading $k";
2535	delete $INC{$k};	3904	delete $INC{$k};
2536		3905
2537	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2539		3908
2540	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2541	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2542	}	3914	}
2543		3915
2544	Symbol::delete_package $k;
2545	}
2546
2547	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2549	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);
2550		3919
2551	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
		3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2553		3923
2554	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3925	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2557		3927
2558	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
2559		3929
2560	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2561	require cf;	3931	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2563		3933
2564	warn "loading config and database again";	3934	trace "loading config and database again";
2565	cf::cfg_load;	3935	cf::reload_config;
2566		3936
2567	warn "loading extensions";	3937	trace "loading extensions";
2568	cf::load_extensions;	3938	cf::load_extensions;
2569		3939
		3940	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
2576		3948
2577	warn "loading reloadable resources";	3949	trace "running post_init jobs";
2578	reload_resources;	3950	(pop @POST_INIT)->(1) while @POST_INIT;
2579		3951
2580	warn "leaving sync_job";	3952	trace "leaving sync_job";
2581		3953
2582	1	3954	1
2583	} or do {	3955	} or do {
2584	warn $@;	3956	error $@;
2585	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$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	};
2587	};	3981	};
2588		3982	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3983
2594	register_command "reload" => sub {	3984	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2596		3986
2597	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
2599		3989	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3990	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3991	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3992	};
2612	}	3993	}
2613	};	3994	};
2614		3995
2615	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2616		3997
2617	my $bug_warning = 0;	3998	my $bug_warning = 0;
2618		3999
2619	$TICK_WATCHER = Event->timer (	4000	our @WAIT_FOR_TICK;
2620	reentrant => 0,	4001	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	4002
2622	prio => 0,	4003	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	4005
2625	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	$signal->wait;
		4017	}
		4018
		4019	sub tick {
2626	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
2629	return;	4023	return;
2630	}	4024	}
2631		4025
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		4027
		4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4029
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	4032	Coro::async_pool {
		4033	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	4034	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	4035	or error "ERROR: unable to write runtime file: $!";
2643	};
2644	}	4036	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	4037	}
2658	);	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	}
2659		4057
2660	{	4058	{
2661	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	4060
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
2671		4062	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		4064
2687	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
2688	$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);
2689		4072
2690	cf::sync_job {	4073	cf::sync_job {
2691	eval {	4074	eval {
2692	BDB::db_env_open	4075	BDB::db_env_open
2693	$DB_ENV,	4076	$DB_ENV,
2694	$BDB_ENV_DIR,	4077	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	4080	0666;
2698		4081
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	4083	};
2704		4084
2705	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	4086	};
2707	}	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	};
2708	}	4098	}
2709		4099
2710	{	4100	{
		4101	# configure IO::AIO
		4102
2711	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	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;
2724		4153
2725	END { cf::emergency_save }	4154	END { cf::emergency_save }
2726		4155
2727	1	4156	1
2728		4157

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