ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.246 by root, Tue Apr 17 10:38:28 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 3.61 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		80
47	our %COMMAND = ();	81	our %COMMAND = ();
48	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
49		83
50	our @EXTS = (); # list of extension package names	84	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
54		89
55	our $RELOAD; # number of reloads so far	90	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	91	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
		94
		95	our $CONFDIR = confdir;
		96	our $DATADIR = datadir;
		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;
58		116
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	117	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	119	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
69		128
70	our %CFG;	129	our %CFG;
71		130
72	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
74		134
75	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	137	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		138
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $REALLY_UNLOOP; # never set to true, please :)
		151
84	binmode STDOUT;	152	binmode STDOUT;
85	binmode STDERR;	153	binmode STDERR;
86		154
87	# read virtual server time, if available	155	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	157	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
92	}	160	}
93		161
94	mkdir cf::localdir;	162	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	163
96	mkdir cf::localdir . "/" . cf::tmpdir;	164	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		166
101	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
102		168
103	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::"} };
104		185
105	#############################################################################	186	#############################################################################
106		187
107	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
108		189
…		…
115	=item $cf::RUNTIME	196	=item $cf::RUNTIME
116		197
117	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
118	every server tick.	199	every server tick.
119		200
120	=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
121		204
122	The perl library directory, where extensions and cf-specific modules can	205	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		209
125	=item $cf::NOW	210	=item $cf::NOW
126		211
127	The time of the last (current) server tick.	212	The time of the last (current) server tick.
128		213
129	=item $cf::TICK	214	=item $cf::TICK
130		215
131	The interval between server ticks, in seconds.	216	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	228	=item %cf::CFG
134		229
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	231	from wherever your confdir points to.
137		232
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		234
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	235	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	236	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	237	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		250
144	=back	251	=back
145		252
146	=cut	253	=cut
147		254
148	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
149	*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 {
150	my $msg = join "", @_;	262	my $msg = join "", @_;
151	utf8::encode $msg;
152		263
153	$msg .= "\n"	264	$msg .= "\n"
154	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
155		266
		267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		268
156	LOG llevError, $msg;	269	LOG llevWarn, $msg;
157	};	270	};
158	}	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	};
159		285
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		293
167	# 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
168	# within the Safe compartment.	295	# within the Safe compartment.
169	for my $pkg (qw(	296	for my $pkg (qw(
170	cf::global cf::attachable	297	cf::global cf::attachable
171	cf::object cf::object::player	298	cf::object cf::object::player
172	cf::client cf::player	299	cf::client cf::player
173	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
174	cf::map cf::party cf::region	302	cf::party cf::region
175	)) {	303	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	305	}
179		306
180	$Event::DIED = sub {	307	$EV::DIED = sub {
181	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
182	};	309	};
		310
		311	#############################################################################
183		312
184	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
185		314
186	=over 4	315	=over 4
187		316
…		…
206	$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;
207	$d	336	$d
208	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
209	}	338	}
210		339
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
214		341
215	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
216		343
217	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
218		345
219	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
220		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
221	=item cf::lock_wait $string	369	=item cf::lock_wait $string
222		370
223	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
224		372
225	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
226		374
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
230	returned.	378	returned.
231		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
232	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
233	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
234		385
235	=cut	386	=item $locked = cf::lock_active $string
236		387
237	our %LOCK;	388	Return true if the lock is currently active, i.e. somebody has locked it.
		389
		390	=cut
		391
		392	our $LOCKS = new Coro::SemaphoreSet;
238		393
239	sub lock_wait($) {	394	sub lock_wait($) {
240	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	396	}
248		397
249	sub lock_acquire($) {	398	sub lock_acquire($) {
250	my ($key) = @_;	399	$LOCKS->guard ($_[0])
		400	}
251		401
252	# wait, to be sure we are not locked	402	sub lock_active($) {
253	lock_wait $key;	403	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	404	}
262		405
263	sub freeze_mainloop {	406	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
265		408
266	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
267	$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($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
268	};	476	}
269	$TICK_WATCHER->stop;	477	};
270	$guard	478
		479	sub get_slot($;$$) {
		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	$sig->wait;
271	}	492	}
272		493
273	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
274		495
275	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		501
281	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
282		503
283	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
284		505
285	The design of crossfire+ requires that the main coro ($Coro::main) is	506	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	507	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		509	acceptable.
288		510
289	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	513	server will be frozen during this time, so the block should either finish
292	fast or be very important.	514	fast or be very important.
…		…
294	=cut	516	=cut
295		517
296	sub sync_job(&) {	518	sub sync_job(&) {
297	my ($job) = @_;	519	my ($job) = @_;
298		520
299	if ($Coro::current == $Coro::main) {	521	if (in_main) {
		522	my $time = AE::time;
		523
300	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
302		526
303	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	528
305	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
306		530
307	my $busy = 1;	531	my $busy = 1;
308	my @res;	532	my @res;
309		533
310	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	536	@res = eval { $job->() };
312	warn $@ if $@;	537	error $@ if $@;
313	undef $busy;	538	undef $busy;
314	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
315		540
316	while ($busy) {	541	while ($busy) {
317	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
318	}	546	}
		547	}
		548
		549	my $time = AE::time - $time;
		550
		551	$TICK_START += $time; # do not account sync jobs to server load
319		552
320	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
321	} else {	554	} else {
322	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
323		556
…		…
343	$EXT_CORO{$coro+0} = $coro;	576	$EXT_CORO{$coro+0} = $coro;
344		577
345	$coro	578	$coro
346	}	579	}
347		580
348	sub write_runtime {	581	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		582
351	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.
352		587
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	588	=cut
354	or return;
355		589
356	my $value = $cf::RUNTIME + 90 + 10;	590	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	591	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		592
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	593	# we seemingly have to make a local copy of the whole thing,
361	and return;	594	# otherwise perl prematurely frees the stuff :/
		595	# TODO: investigate and fix (likely this will be rather laborious)
362		596
363	# always fsync - this file is important	597	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	598	reset_signals;
365	and return;	599	&$cb
		600	}, @args;
366		601
367	close $fh	602	wantarray ? @res : $res[-1]
368	or return;	603	}
369		604
370	aio_rename "$runtime~", $runtime	605	sub objinfo {
371	and return;
372
373	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"
374	}	770	}
375		771
376	=item cf::datalog type => key => value, ...	772	=item cf::datalog type => key => value, ...
377		773
378	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.
379		775
380	=cut	776	=cut
381		777
382	sub datalog($@) {	778	sub datalog($@) {
383	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	781	}
386		782
387	=back	783	=back
388		784
389	=cut	785	=cut
390		786
391	#############################################################################	787	#############################################################################
392		788
393	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
394		790
395	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
396	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")
397	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
398		794
399	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>
400	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
401	crossfire+).	797	Deliantra).
402		798
403	=over 4	799	=over 4
404		800
405	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
406		802
…		…
450	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
451		847
452	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
454		850
455	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		853
458	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
459		855
460	=over 4	856	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
570		966
571	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		971
576	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	973	my $pkg = shift @arg;
578		974
579	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
584		980
585	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		983
588	} elsif (ref $type) {	984	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
590		986
591	} else {	987	} else {
592	shift @arg;	988	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
594	}	990	}
595	}	991	}
596	}	992	}
597		993
598	sub _object_attach {	994	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
609	}	1005	}
610		1006
611	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
612	} else {	1008	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1010	}
615		1011
616	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
617	}	1013	}
618		1014
…		…
620	if (ref $_[0]) {	1016	if (ref $_[0]) {
621	_object_attach @_;	1017	_object_attach @_;
622	} else {	1018	} else {
623	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
624	}	1020	}
		1021	_recalc_want;
625	};	1022	};
626		1023
627	# all those should be optimised	1024	# all those should be optimised
628	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1030	reattach ($obj);
634	} else {	1031	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
636	}	1033	}
		1034	_recalc_want;
637	};	1035	};
638		1036
639	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
641		1039
…		…
656	";	1054	";
657	die if $@;	1055	die if $@;
658	}	1056	}
659		1057
660	our $override;	1058	our $override;
661	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?
662		1060
663	sub override {	1061	sub override {
664	$override = 1;	1062	$override = 1;
665	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
666	}	1064	}
667		1065
668	sub do_invoke {	1066	sub do_invoke {
669	my $event = shift;	1067	my $event = shift;
670	my $callbacks = shift;	1068	my $callbacks = shift;
671		1069
672	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
673		1071
674	local $override;	1072	local $override;
675		1073
676	for (@$callbacks) {	1074	for (@$callbacks) {
677	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
678		1076
679	if ($@) {	1077	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1079	override;
683	}	1080	}
684		1081
685	return 1 if $override;	1082	return 1 if $override;
686	}	1083	}
687		1084
688	0	1085	0
689	}	1086	}
690		1087
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1089
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1091
695	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
696		1093
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1097
701	=back	1098	=back
702		1099
703	=cut	1100	=cut
704		1101
705	#############################################################################	1102	#############################################################################
706	# 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, $ob2
		1145	}
707		1146
708	sub reattach {	1147	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1149	my ($obj) = @_;
711		1150
		1151	# no longer needed after getting rid of delete_package?
712	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
713		1153
714	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
715		1155
716	@$registry = ();	1156	@$registry = ();
717		1157
…		…
722	for (@$attach) {	1162	for (@$attach) {
723	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
725	}	1165	}
726	} else {	1166	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1168	}
729	}	1169	}
730	}	1170	}
731		1171
732	cf::attachable->attach (	1172	cf::attachable->attach (
733	prio => -1000000,	1173	prio => -1000000,
734	on_instantiate => sub {	1174	on_instantiate => sub {
735	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
736		1176
737	$data = from_json $data;	1177	$data = decode_json $data;
738		1178
739	for (@$data) {	1179	for (@$data) {
740	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
741		1181
742	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1198	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
760		1200
761	sync_job {	1201	sync_job {
762	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
765		1207
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1215	aio_close $fh;
771		1216
772	if (@$objs) {	1217	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1226	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
780	}	1228	}
781	} else {	1229	} else {
782	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
783	}	1231	}
784		1232
785	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1237	} else {
787	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
788	}	1239	}
789	} else {	1240	} else {
790	aio_unlink $filename;	1241	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
792	}	1243	}
793	}	1244	};
794	}	1245	}
795		1246
796	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
798		1249
…		…
810	or return;	1261	or return;
811		1262
812	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
814	or return;	1265	or return;
		1266
815	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
816	}	1269	}
817		1270
		1271	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
820	return ($data, $av);	1276	($data, $av)
821	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
822		1284
823	#############################################################################	1285	#############################################################################
824	# command handling &c	1286	# command handling &c
825		1287
826	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1302	}
841		1303
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1305
844	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.
845		1311
846	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
847	called.	1313	called.
848		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
849	=cut	1326	=cut
850		1327
851	sub register_extcmd {	1328	sub register_extcmd {
852	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
853		1330
854	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
855	}	1332	}
856		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
857	cf::player->attach (	1342	cf::player->attach (
858	on_command => sub {	1343	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
860		1345
861	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
862	or return;	1347	or return;
863		1348
…		…
868	cf::override;	1353	cf::override;
869	},	1354	},
870	on_extcmd => sub {	1355	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
872		1357
873	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1359
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
881	} else {	1375	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1377	}
884		1378
885	cf::override;	1379	cf::override;
886	},	1380	},
887	);	1381	);
888		1382
		1383	# "readahead" all extensions
889	sub load_extension {	1384	sub cache_extensions {
890	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
891		1386
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1390	}
917	die $@;
918	}	1391	};
919		1392
920	push @EXTS, $pkg;	1393	$grp
921	}	1394	}
922		1395
923	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
924	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1403	next unless -r $path;
926	eval {	1404
927	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 $active;
		1468	}
928	1	1469	}
929	} or warn "$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	}
930	}	1480	};
931	}	1481	}
932		1482
933	#############################################################################	1483	#############################################################################
934		1484
		1485	=back
		1486
935	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
936		1488
937	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
938		1490
939	=cut	1491	=cut
940		1492
941	package cf::player;	1493	package cf::player;
942		1494
…		…
944		1496
945	=head3 cf::player	1497	=head3 cf::player
946		1498
947	=over 4	1499	=over 4
948		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
949	=item cf::player::find $login	1515	=item cf::player::find $login
950		1516
951	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
952		1518
953	=cut	1519	=cut
954		1520
955	sub playerdir($) {	1521	sub playerdir($) {
956	cf::localdir	1522	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1523	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1524	}
962		1525
963	sub path($) {	1526	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1527	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1537
975	sub exists($) {	1538	sub exists($) {
976	my ($login) = @_;	1539	my ($login) = @_;
977		1540
978	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
980	}	1543	}
981		1544
982	sub find($) {	1545	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1547	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1557	aio_unlink +(playerdir $login) . "/$login.pl";
995		1558
996	my $pl = load_pl path $login	1559	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
999	}	1568	}
1000	}	1569	}
1001	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($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	);
1002		1584
1003	sub save($) {	1585	sub save($) {
1004	my ($pl) = @_;	1586	my ($pl) = @_;
1005		1587
1006	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1012		1594
1013	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1015		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
1016	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1017	Coro::cede;	1604	cf::cede_to_tick;
1018	}	1605	}
1019		1606
1020	sub new($) {	1607	sub new($) {
1021	my ($login) = @_;	1608	my ($login) = @_;
1022		1609
…		…
1028	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1029		1616
1030	$self	1617	$self
1031	}	1618	}
1032		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
1033	=item $pl->quit_character	1630	=item $pl->quit_character
1034		1631
1035	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1037		1634
…		…
1041	my ($pl) = @_;	1638	my ($pl) = @_;
1042		1639
1043	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1044		1641
1045	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1046	$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
1047		1644
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1052		1650
1053	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1682	while and may block, so not sync_job-capable, ever.
1085		1683
1086	=cut	1684	=cut
1087		1685
1088	sub list_logins {	1686	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1687	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1688	or return [];
1091		1689
1092	my @logins;	1690	my @logins;
1093		1691
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1098		1702
1099	utf8::decode $login;	1703	utf8::decode $login;
1100	push @logins, $login;	1704	push @logins, $login;
1101	}	1705	}
1102		1706
1103	\@logins	1707	\@logins
1104	}	1708	}
1105		1709
1106	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1107		1713
1108	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1109	player. May block.	1715	player. May block.
1110		1716
1111	=cut	1717	=cut
…		…
1129	}	1735	}
1130		1736
1131	\@paths	1737	\@paths
1132	}	1738	}
1133		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1134	=item $player->ext_reply ($msgid, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1135		1745
1136	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1137		1747
1138	=cut	1748	=cut
1139		1749
1140	sub ext_reply($$%) {	1750	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1142		1752
1143	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1754	}
1147		1755
1148	=item $player->ext_event ($type, %msg)	1756	=item $player->ext_msg ($type, @msg)
1149		1757
1150	Sends an ext event to the client.	1758	Sends an ext event to the client.
1151		1759
1152	=cut	1760	=cut
1153		1761
1154	sub ext_event($$%) {	1762	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1763	my ($self, $type, @msg) = @_;
1156		1764
1157	$self->ns->ext_event ($type, %msg);	1765	$self->ns->ext_msg ($type, @msg);
1158	}	1766	}
1159		1767
1160	=head3 cf::region	1768	=head3 cf::region
1161		1769
1162	=over 4	1770	=over 4
…		…
1165		1773
1166	package cf::region;	1774	package cf::region;
1167		1775
1168	=item cf::region::find_by_path $path	1776	=item cf::region::find_by_path $path
1169		1777
1170	Tries to decuce the probable region for a map knowing only its path.	1778	Tries to decuce the likely region for a map knowing only its path.
1171		1779
1172	=cut	1780	=cut
1173		1781
1174	sub find_by_path($) {	1782	sub find_by_path($) {
1175	my ($path) = @_;	1783	my ($path) = @_;
1176		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
1177	my ($match, $specificity);	1787	my ($match, $specificity);
1178		1788
1179	for my $region (list) {	1789	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1790	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1791	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1792	if $region->specificity > $specificity;
1183	}	1793	}
1184	}	1794	}
1185		1795
…		…
1206	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1208		1818
1209	sub generate_random_map {	1819	sub generate_random_map {
1210	my ($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
1211	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1825	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1234		1847
1235	sub register {	1848	sub register {
1236	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1850	my $pkg = caller;
1238		1851
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1853
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1855	}
1244		1856
1245	# also paths starting with '/'	1857	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1859
1248	sub thawer_merge {	1860	sub thawer_merge {
1249	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1250		1862
1251	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1252	local $self->{path};	1864	local $self->{path};
1253	local $self->{load_path};	1865	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1866
1257	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1258	}	1868	}
1259		1869
1260	sub normalise {	1870	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1308	return $self;	1918	return $self;
1309	}	1919	}
1310	}	1920	}
1311		1921
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1923	()
1314	}	1924	}
1315		1925
1316	sub init {	1926	sub init {
1317	my ($self) = @_;	1927	my ($self) = @_;
…		…
1332		1942
1333	# the original (read-only) location	1943	# the original (read-only) location
1334	sub load_path {	1944	sub load_path {
1335	my ($self) = @_;	1945	my ($self) = @_;
1336		1946
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1338	}	1948	}
1339		1949
1340	# the temporary/swap location	1950	# the temporary/swap location
1341	sub save_path {	1951	sub save_path {
1342	my ($self) = @_;	1952	my ($self) = @_;
1343		1953
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1346	}	1956	}
1347		1957
1348	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1349	sub uniq_path {	1959	sub uniq_path {
1350	my ($self) = @_;	1960	my ($self) = @_;
1351		1961
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1354	}	1964	}
1355		1965
1356	# and all this just because we cannot iterate over	1966	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1967	my ($self) = @_;
1360		1968
1361	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1363	}	1972	}
1364		1973
1365	sub unlink_save {	1974	sub unlink_save {
1366	my ($self) = @_;	1975	my ($self) = @_;
1367		1976
…		…
1372		1981
1373	sub load_header_from($) {	1982	sub load_header_from($) {
1374	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1375		1984
1376	utf8::encode $path;	1985	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		1994
1383	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1384		1996
1385	1	1997	1
1386	}	1998	}
…		…
1425	$self->load_header_orig	2037	$self->load_header_orig
1426	or return;	2038	or return;
1427	$self->prepare_orig;	2039	$self->prepare_orig;
1428	}	2040	}
1429		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
1430	$self->default_region (cf::region::find_by_path $self->{path})	2045	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2046	unless $self->default_region;
1432		2047
1433	1	2048	1
1434	}	2049	}
…		…
1437	sub find {	2052	sub find {
1438	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1439		2054
1440	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1441		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2059
1444	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1447	or return;	2062	or return;
1448		2063
1449	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1450		2065
1451	$map->load_header	2066	$map->load_header
1452	or return;	2067	or return;
1453		2068
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1457	$map->reset;	2074	$map->reset;
1458	undef $guard;
1459	return find $path;	2075	return find $path;
1460	}	2076	}
1461		2077
1462	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1463	}	2079	}
1464	}	2080	}
1465		2081
1466	sub pre_load { }	2082	sub pre_load { }
1467	sub post_load { }	2083	#sub post_load { } # XS
1468		2084
1469	sub load {	2085	sub load {
1470	my ($self) = @_;	2086	my ($self) = @_;
1471		2087
1472	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1473		2089
1474	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1476		2094
		2095	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2097
1479	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1480		2099
1481	$self->alloc;	2100	$self->alloc;
1482		2101
1483	$self->pre_load;	2102	$self->pre_load;
1484	Coro::cede;	2103	cf::cede_to_tick;
1485		2104
1486	$self->_load_objects ($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)
1487	or return;	2108	or return;
1488		2109
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1490	if delete $self->{load_original};	2111	if delete $self->{load_original};
1491		2112
1492	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2114	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2117	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1497	}	2121	}
1498	}	2122	}
1499		2123
1500	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1501	# now do the right thing for maps	2127	# now do the right thing for maps
1502	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2130	unless $self->difficulty;
1513	Coro::cede;	2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1514	$self->activate;	2138	$self->activate;
1515	Coro::cede;	2139	}
		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
		2144	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2145	}
1517		2146
1518	$self->post_load;	2147	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2148	}
1523		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2153	sub customise_for {
1525	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1526		2155
1527	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2157	if $self->per_player;
1529		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1530	$self	2162	$self
1531	}	2163	}
1532		2164
1533	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2166	sub load_neighbours {
1535	my ($map) = @_;	2167	my ($map) = @_;
1536		2168
1537	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1538		2170
1539	for (0 .. 3) {	2171	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1541	or next;	2173	or next;
1542	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1543	or next;	2175	or next;
1544	$neigh->load;	2176	$neigh->load;
1545		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2182	}
1549		2183
1550	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1552	or next;	2187	or next;
1553	$neigh->load;	2188	$neigh->load;
1554	}	2189	}
1555	}	2190	}
1556		2191
1557	sub find_sync {	2192	sub find_sync {
1558	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1559		2194
1560	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, $origin
1561	}	2199	}
1562		2200
1563	sub do_load_sync {	2201	sub do_load_sync {
1564	my ($map) = @_;	2202	my ($map) = @_;
1565		2203
1566	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;
1567	}	2208	}
1568		2209
1569	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1571		2212
1572	sub find_async {	2213	sub find_async {
1573	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1574		2215
1575	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1576		2217
1577	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2220	}
1580		2221
1581	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1582	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1583	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2229	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2230	$map->load if $v;
		2231	}
1588		2232
1589	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1590	}	2234	}
1591	}	2235	}
1592	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1593	};	2237	};
1594	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1595		2239
1596	()	2240	()
1597	}	2241	}
1598		2242
		2243	# common code, used by both ->save and ->swapout
1599	sub save {	2244	sub _save {
1600	my ($self) = @_;	2245	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2246
1604	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1605		2248
1606	return unless $self->dirty;	2249	return unless $self->dirty;
1607		2250
…		…
1613	return if $self->{deny_save};	2256	return if $self->{deny_save};
1614		2257
1615	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1616		2259
1617	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1619	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1620		2266
1621	if ($uniq) {	2267	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2270	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2272	}
1627	}	2273	}
1628		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1629	sub swap_out {	2283	sub swap_out {
1630	my ($self) = @_;	2284	my ($self) = @_;
1631		2285
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1637	return if $self->players;	2290	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		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
1641	$self->clear;	2301	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2302	}
1644		2303
1645	sub reset_at {	2304	sub reset_at {
1646	my ($self) = @_;	2305	my ($self) = @_;
1647		2306
1648	# TODO: safety, remove and allow resettable per-player maps	2307	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2308	return 1e99 if $self->{deny_reset};
1651		2309
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2310	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2311	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2312
…		…
1665	my ($self) = @_;	2323	my ($self) = @_;
1666		2324
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2326
1669	return if $self->players;	2327	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2328
1672	warn "resetting map ", $self->path;#d#	2329	cf::trace "resetting map ", $self->path, "\n";
1673		2330
1674	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
1675		2332
1676	# need to save uniques path	2333	# need to save uniques path
1677	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2338	if $uniq;
1682	}	2339	}
1683		2340
1684	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1685		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2345	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2346
1690	$self->unlink_save;	2347	$self->unlink_save;
1691	$self->destroy;	2348	$self->destroy;
1692	}	2349	}
1693		2350
1694	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1695		2352
1696	sub nuke {	2353	sub nuke {
1697	my ($self) = @_;	2354	my ($self) = @_;
1698		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1699	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1700		2360
1701	$self->unlink_save;	2361	$self->unlink_save;
1702		2362
1703	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2368
1709	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1710		2371
1711	$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	]
1712	}	2409	}
1713		2410
1714	=item cf::map::unique_maps	2411	=item cf::map::unique_maps
1715		2412
1716	Returns an arrayref of paths of all shared maps that have	2413	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2414	instantiated unique items. May block.
1718		2415
1719	=cut	2416	=cut
1720		2417
1721	sub unique_maps() {	2418	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2419	[
1723	or return;	2420	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2421	utf8::decode $_;
1729	next if /\.pst$/;	2422	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2424	? ()
1732	push @paths, cf::map::normalise $_;	2425	: normalise $_
		2426	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2427	]
1734
1735	\@paths
1736	}	2428	}
1737		2429
1738	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	}
1739		2461
1740	=back	2462	=back
1741		2463
1742	=head3 cf::object	2464	=head3 cf::object
1743		2465
…		…
1747		2469
1748	=over 4	2470	=over 4
1749		2471
1750	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
1751		2473
1752	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.
1753		2476
1754	=cut	2477	=cut
1755		2478
1756	sub inv_recursive_;	2479	sub inv_recursive_;
1757	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
1760		2483
1761	sub inv_recursive {	2484	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
1763	}	2486	}
1764		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
1765	package cf;	2516	package cf;
1766		2517
1767	=back	2518	=back
1768		2519
1769	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1778		2529
1779	=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	};
1780		2545
1781	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2547	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1786		2551
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2553
1789	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1794	}	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 (@_);
1795	}	2579	}
1796		2580
1797	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1798		2582
1799	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1812		2596
1813	=item $player_object->enter_link	2597	=item $player_object->enter_link
1814		2598
1815	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}>).
1816		2600
1817	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.
1818	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.
1819		2605
1820	Will never block.	2606	Will never block.
1821		2607
1822	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1823		2609
…		…
1843	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2630	my ($self) = @_;
1845		2631
1846	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1847		2633
		2634	++$self->{_link_recursion};
		2635
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2637
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2639	if $self->map && $self->map->{path} ne "{link}";
1852		2640
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2642	}
1855		2643
1856	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
		2646
		2647	return unless $self->contr->active;
1858		2648
1859	my $link_pos = delete $self->{_link_pos};	2649	my $link_pos = delete $self->{_link_pos};
1860		2650
1861	unless ($map) {	2651	unless ($map) {
1862	# restore original map position	2652	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
1875		2665
1876	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
1879		2669
1880	$map->load;	2670	$map->load;
1881	$map->load_diag;	2671	$map->load_neighbours;
1882		2672
1883	return unless $self->contr->active;	2673	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2674
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
1888	}	2677	# entering was successful
1889		2678	delete $self->{_link_recursion};
1890	cf::player->attach (	2679	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2680	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2681	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2682
1904	# try to abort aborted map switching on player login :)	2683	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2684
1922	=item $player_object->goto ($path, $x, $y)	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		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
1924	=cut	2696	=cut
		2697
		2698	our $GOTOGEN;
1925		2699
1926	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
1927	my ($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;
1928		2711
1929	$self->enter_link;	2712	$self->enter_link;
1930		2713
1931	(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
1932	my $map = eval {	2736	my $map = eval {
1933	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
		2738
		2739	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2752	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2753
		2754	if ($gen == $self->{_goto_generation}) {
		2755	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
		2757	}
		2758
		2759	$done->($self) if $done;
1940	})->prio (1);	2760	})->prio (1);
1941	}	2761	}
1942		2762
1943	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
1944		2764
…		…
1964	}	2784	}
1965		2785
1966	sub prepare_random_map {	2786	sub prepare_random_map {
1967	my ($exit) = @_;	2787	my ($exit) = @_;
1968		2788
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2791	# that depends on the exit object
1974		2792
1975	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2795	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
1982	}	2802	}
1983		2803
1984	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
1985		2805
1986	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
1989		2809
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2812	undef $fh;
1993	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
1994		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
1997	}	2821	}
1998	}	2822	}
1999		2823
2000	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
2002		2826
2003	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
2004		2828
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2829	$self->enter_link;
2017		2830
2018	(async {	2831	(async {
2019	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
2020	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
2021	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
2022		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
2023	1;	2855	1
2024	}) {	2856	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "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. "
2027	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2861
2030	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2863	$self->leave_link;
2032	}	2864	}
2033	})->prio (1);	2865	})->prio (1);
2034	}	2866	}
2035		2867
…		…
2049		2881
2050	utf8::encode $text;	2882	utf8::encode $text;
2051	$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);
2052	}	2884	}
2053		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
2054	=item $client->ext_event ($type, %msg)	3073	=item $client->ext_msg ($type, @msg)
2055		3074
2056	Sends an exti event to the client.	3075	Sends an ext event to the client.
2057		3076
2058	=cut	3077	=cut
2059		3078
2060	sub cf::client::ext_event($$%) {	3079	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3080	my ($self, $type, @msg) = @_;
2062		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3085	push @msg, msgtype => "event_$type";
2064	$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	}
2065	}	3106	}
2066		3107
2067	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2068		3109
2069	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		3113
2073	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
2074	reliable at some point in the future.	3115	become reliable at some point in the future.
2075		3116
2076	=cut	3117	=cut
2077		3118
2078	sub cf::client::query {	3119	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3128	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3130
2090	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
2092	}	3135	}
2093		3136
2094	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	},
2095	on_reply => sub {	3143	on_reply => sub {
2096	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
2097		3145
2098	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
2099	# get handled first	3147	# get handled first
…		…
2111	} else {	3159	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3161	}
2114	}	3162	}
2115	},	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	},
2116	);	3190	);
2117		3191
2118	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
2119		3193
2120	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3210
2137	$coro	3211	$coro
2138	}	3212	}
2139		3213
2140	cf::client->attach (	3214	cf::client->attach (
2141	on_destroy => sub {	3215	on_client_destroy => sub {
2142	my ($ns) = @_;	3216	my ($ns) = @_;
2143		3217
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3219	},
2146	);	3220	);
…		…
2161	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2163		3237
2164	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2165		3239
2166	$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	));
2167		3245
2168	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2169		3247
2170	=pod	3248	=pod
2171		3249
2172	The following functions and methods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2173		3251
2174	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
2175	cf::object::player player	3257	cf::object::player
2176	cf::player peaceful	3258	player
2177	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2178		3265
2179	=cut	3266	=cut
2180		3267
2181	for (	3268	for (
2182	["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)],
2183	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2186	) {	3275	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3278	for @funs;
2191	}	3279	}
2192		3280
…		…
2207		3295
2208	my $qcode = $code;	3296	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2211		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2212	local $_;	3303	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3304
2215	my $eval =	3305	my $eval =
2216	"do {\n"	3306	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3309	. $code
2220	. "\n}"	3310	. "\n}"
2221	;	3311	;
2222		3312
		3313	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	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	}
2226		3322
2227	if ($@) {	3323	if ($@) {
2228	warn "$@";	3324	warn "$@",
2229	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2231	}	3327	}
2232		3328
2233	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2234	}	3330	}
2235		3331
…		…
2249	=cut	3345	=cut
2250		3346
2251	sub register_script_function {	3347	sub register_script_function {
2252	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2253		3349
2254	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2256	}	3352	}
2257		3353
2258	=back	3354	=back
2259		3355
2260	=cut	3356	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3357
2334	#############################################################################	3358	#############################################################################
2335	# the server's init and main functions	3359	# the server's init and main functions
2336		3360
2337	sub load_facedata($) {	3361	sub load_facedata($) {
2338	my ($path) = @_;	3362	my ($path) = @_;
2339		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
2340	warn "loading facedata from $path\n";	3370	trace "loading facedata from $path\n";
2341		3371
2342	my $facedata;	3372	my $facedata;
2343	0 < aio_load $path, $facedata	3373	0 < aio_load $path, $facedata
2344	or die "$path: $!";	3374	or die "$path: $!";
2345		3375
2346	$facedata = Coro::Storable::thaw $facedata;	3376	$facedata = Coro::Storable::thaw $facedata;
2347		3377
2348	$facedata->{version} == 2	3378	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3390	{
2352	my $faces = $facedata->{faceinfo};	3391	my $faces = $facedata->{faceinfo};
2353		3392
2354	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3400
		3401	cf::cede_to_tick;
2360	}	3402	}
2361		3403
2362	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2364	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
2365	or next;	3408	or next;
		3409
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3413	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3414	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3415	}
2371	Coro::cede;	3416
		3417	cf::cede_to_tick;
2372	}	3418	}
2373	}	3419	}
2374		3420
2375	{	3421	{
2376	my $anims = $facedata->{animinfo};	3422	my $anims = $facedata->{animinfo};
2377		3423
2378	while (my ($anim, $info) = each %$anims) {	3424	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3426	cf::cede_to_tick;
2381	}	3427	}
2382		3428
2383	cf::anim::invalidate_all; # d'oh	3429	cf::anim::invalidate_all; # d'oh
2384	}	3430	}
2385		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
2386	1	3451	1
2387	}	3452	}
2388		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
2389	sub reload_facedata {	3486	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3487	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	3488	or die "unable to load facedata\n";
2392	}	3489	}
2393		3490
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3491	sub reload_archetypes {
2400	load_archetype_file sprintf "%s/archetypes", cf::datadir	3492	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3493	or die "unable to load archetypes\n";
2402	}	3494	}
2403		3495
2404	sub reload_treasures {	3496	sub reload_treasures {
2405	load_treasure_file sprintf "%s/treasures", cf::datadir	3497	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3498	or die "unable to load treasurelists\n";
2407	}	3499	}
2408		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
2409	sub reload_resources {	3524	sub reload_resources {
2410	warn "reloading resource files...\n";	3525	trace "reloading resource files...\n";
2411		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
2412	reload_regions;	3530	reload_regions;
2413	reload_facedata;
2414	reload_archetypes;
2415	reload_treasures;	3531	reload_treasures;
2416		3532
2417	warn "finished reloading resource files\n";	3533	trace "finished reloading resource files\n";
2418	}	3534	}
2419		3535
2420	sub init {	3536	sub reload_config {
2421	reload_resources;	3537	trace "reloading config file...\n";
2422	}
2423		3538
2424	sub cfg_load {
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2426	or return;	3540	or return;
2427		3541
2428	local $/;	3542	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2430		3544
2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2432		3546
2433	$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};
2434	$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};
2435		3549
2436	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2438	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2439	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2440	};	3554	};
2441	warn $@ if $@;	3555	warn $@ if $@;
2442	}	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;
2443	}	3587	}
2444		3588
2445	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
2446	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2448	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#
2449	(async {	3602	(async {
2450	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2452	};	3606	};
2453		3607
2454	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;
2455	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
2456	load_extensions;	3631	load_extensions;
2457		3632
2458	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2459	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;
2460	}	3646	}
2461		3647
2462	#############################################################################	3648	#############################################################################
2463	# initialisation and cleanup	3649	# initialisation and cleanup
2464		3650
2465	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2466	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2469	reentrant => 0,
2470	data => WF_AUTOCANCEL,
2471	signal => $signal,
2472	prio => 0,
2473	cb => sub {
2474	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2475	},
2476	);	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
2477	}	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 };
2478	}	3747	}
2479		3748
2480	sub emergency_save() {	3749	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2482		3751
2483	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;
2484		3758
2485	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2486	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2487	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2488	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2490	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	3770	$pl->save;
2494	}	3771	}
2495	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2496		3773
2497	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";
2498	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2499	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2500	$map->valid or next;	3779	$map->valid or next;
2501	$map->save;	3780	$map->save;
2502	}	3781	}
2503	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2504		3783
2505	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";
2506	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2507	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
2508	};	3812	};
2509		3813
2510	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2511	}	3815	}
2512		3816
2513	sub post_cleanup {	3817	sub post_cleanup {
2514	my ($make_core) = @_;	3818	my ($make_core) = @_;
2515		3819
		3820	IO::AIO::flush;
		3821
2516	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2517	if $make_core;	3823	if $make_core;
		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	}
2518	}	3852	}
2519		3853
2520	sub do_reload_perl() {	3854	sub do_reload_perl() {
2521	# can/must only be called in main	3855	# can/must only be called in main
2522	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2523	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2524	return;	3858	return;
2525	}	3859	}
2526		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2527	warn "reloading...";	3866	info "reloading...";
2528		3867
2529	warn "entering sync_job";	3868	trace "entering sync_job";
2530		3869
2531	cf::sync_job {	3870	cf::sync_job {
2532	cf::write_runtime; # external watchdog should not bark
2533	cf::emergency_save;	3871	cf::emergency_save;
2534	cf::write_runtime; # external watchdog should not bark
2535		3872
2536	warn "syncing database to disk";
2537	BDB::db_env_txn_checkpoint $DB_ENV;
2538
2539	# if anything goes wrong in here, we should simply crash as we already saved
2540
2541	warn "cancelling all WF_AUTOCANCEL watchers";
2542	for (Event::all_watchers) {
2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2544	}
2545
2546	warn "flushing outstanding aio requests";
2547	for (;;) {
2548	BDB::flush;
2549	IO::AIO::flush;
2550	Coro::cede;
2551	last unless IO::AIO::nreqs || BDB::nreqs;
2552	warn "iterate...";
2553	}
2554
2555	++$RELOAD;
2556
2557	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2558	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2559	%EXT_CORO = ();	3875	%EXT_CORO = ();
2560		3876
2561	warn "removing commands";	3877	trace "removing commands";
2562	%COMMAND = ();	3878	%COMMAND = ();
2563		3879
2564	warn "removing ext commands";	3880	trace "removing ext/exti commands";
2565	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2566		3883
2567	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2570		3887
2571	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2572	eval {	3889	eval {
2573	$cb->($pkg);	3890	$cb->($pkg);
2574	1	3891	1
2575	} 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;
2576	}	3897	}
2577		3898
2578	warn "... nuking $pkg";
2579	Symbol::delete_package $pkg;
2580	}
2581
2582	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2583	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2585		3902
2586	warn "... unloading $k";	3903	trace "... unloading $k";
2587	delete $INC{$k};	3904	delete $INC{$k};
2588		3905
2589	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2590	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2591		3908
2592	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2593	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2594	}	3914	}
2595		3915
2596	Symbol::delete_package $k;
2597	}
2598
2599	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2600	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2601	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);
2602		3919
2603	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
		3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2605		3923
2606	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3925	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2609		3927
2610	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
2611		3929
2612	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2613	require cf;	3931	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2615		3933
2616	warn "loading config and database again";	3934	trace "loading config and database again";
2617	cf::cfg_load;	3935	cf::reload_config;
2618		3936
2619	warn "loading extensions";	3937	trace "loading extensions";
2620	cf::load_extensions;	3938	cf::load_extensions;
2621		3939
		3940	if ($REATTACH_ON_RELOAD) {
2622	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2623	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
2624	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
2625	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
2626	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
2627	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
2628		3948
		3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
		3951
2629	warn "leaving sync_job";	3952	trace "leaving sync_job";
2630		3953
2631	1	3954	1
2632	} or do {	3955	} or do {
2633	warn $@;	3956	error $@;
2634	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
2635	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
2636	};	3962	}
2637		3963
2638	warn "reloaded";	3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
2639	};	3966	};
2640		3967
2641	our $RELOAD_WATCHER; # used only during reload	3968	our $RELOAD_WATCHER; # used only during reload
2642		3969
2643	sub reload_perl() {	3970	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	3971	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	3972	# coro crashes during coro_state_free->destroy here.
2646		3973
2647	$RELOAD_WATCHER ||= Event->timer (	3974	$RELOAD_WATCHER ||= cf::async {
2648	reentrant => 0,	3975	Coro::AIO::aio_wait cache_extensions;
2649	after => 0,	3976
2650	data => WF_AUTOCANCEL,	3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2651	cb => sub {
2652	do_reload_perl;	3978	do_reload_perl;
2653	undef $RELOAD_WATCHER;	3979	undef $RELOAD_WATCHER;
2654	},	3980	};
2655	);	3981	};
2656	}	3982	}
2657		3983
2658	register_command "reload" => sub {	3984	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2660		3986
2661	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
		3989	async {
		3990	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	3991	reload_perl;
		3992	};
2664	}	3993	}
2665	};	3994	};
2666		3995
2667	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2668		3997
…		…
2670		3999
2671	our @WAIT_FOR_TICK;	4000	our @WAIT_FOR_TICK;
2672	our @WAIT_FOR_TICK_BEGIN;	4001	our @WAIT_FOR_TICK_BEGIN;
2673		4002
2674	sub wait_for_tick {	4003	sub wait_for_tick {
2675	return unless $TICK_WATCHER->is_active;
2676	return if $Coro::current == $Coro::main;	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2677		4005
2678	my $signal = new Coro::Signal;	4006	my $signal = new Coro::Signal;
2679	push @WAIT_FOR_TICK, $signal;	4007	push @WAIT_FOR_TICK, $signal;
2680	$signal->wait;	4008	$signal->wait;
2681	}	4009	}
2682		4010
2683	sub wait_for_tick_begin {	4011	sub wait_for_tick_begin {
2684	return unless $TICK_WATCHER->is_active;
2685	return if $Coro::current == $Coro::main;	4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2686		4013
2687	my $signal = new Coro::Signal;	4014	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	4015	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	4016	$signal->wait;
2690	}	4017	}
2691		4018
2692	$TICK_WATCHER = Event->timer (	4019	sub tick {
2693	reentrant => 0,
2694	parked => 1,
2695	prio => 0,
2696	at => $NEXT_TICK || $TICK,
2697	data => WF_AUTOCANCEL,
2698	cb => sub {
2699	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
2702	return;	4023	return;
2703	}	4024	}
2704		4025
2705	$NOW = Event::time;
2706
2707	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2708		4027
2709	$RUNTIME += $TICK;	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2710	$NEXT_TICK += $TICK;
2711		4029
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2714	Coro::async_pool {	4032	Coro::async_pool {
		4033	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	4034	write_runtime_sync
2716	or warn "ERROR: unable to write runtime file: $!";	4035	or error "ERROR: unable to write runtime file: $!";
2717	};
2718	}	4036	};
		4037	}
2719		4038
2720	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#
2722
2723	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2725
2726	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;
2728
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	4040	$sig->send;
2731	}	4041	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {	4042	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;	4043	$sig->send;
2734	}
2735
2736	_post_tick;
2737	},	4044	}
2738	);	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	}
2739		4057
2740	{	4058	{
2741	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
2742	$BDB_POLL_WATCHER = Event->io (	4060
2743	reentrant => 0,
2744	fd => BDB::poll_fileno,
2745	poll => 'r',
2746	prio => 0,
2747	data => WF_AUTOCANCEL,
2748	cb => \&BDB::poll_cb,
2749	);
2750	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
2751		4062	BDB::max_poll_reqs $TICK * 0.1;
2752	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
2753	my $status;
2754	my $current = $Coro::current;
2755	(
2756	sub {
2757	$status = $!;
2758	$current->ready; undef $current;
2759	},
2760	sub {
2761	Coro::schedule while defined $current;
2762	$! = $status;
2763	},
2764	)
2765	};
2766		4064
2767	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
2768	$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);
2769		4072
2770	cf::sync_job {	4073	cf::sync_job {
2771	eval {	4074	eval {
2772	BDB::db_env_open	4075	BDB::db_env_open
2773	$DB_ENV,	4076	$DB_ENV,
2774	$BDB_ENV_DIR,	4077	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	4080	0666;
2778		4081
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;
2783	};	4083	};
2784		4084
2785	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	4086	};
2787	}	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	};
2788	}	4098	}
2789		4099
2790	{	4100	{
		4101	# configure IO::AIO
		4102
2791	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
2792
2793	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
2796	reentrant => 0,
2797	data => WF_AUTOCANCEL,
2798	fd => IO::AIO::poll_fileno,
2799	poll => 'r',
2800	prio => 6,
2801	cb => \&IO::AIO::poll_cb,
2802	);
2803	}	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;
2804		4153
2805	END { cf::emergency_save }	4154	END { cf::emergency_save }
2806		4155
2807	1	4156	1
2808		4157

Diff Legend

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