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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	121	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
67		130
68	our %CFG;	131	our %CFG;
69		132
70	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
72		136
73	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		140
82	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
85	binmode STDOUT;	154	binmode STDOUT;
86	binmode STDERR;	155	binmode STDERR;
87		156
88	# read virtual server time, if available	157	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
93	}	162	}
94		163
95	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	165
97	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		168
102	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
103		170
104	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
105		187
106	#############################################################################	188	#############################################################################
107		189
108	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
109		191
…		…
116	=item $cf::RUNTIME	198	=item $cf::RUNTIME
117		199
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	201	every server tick.
120		202
121	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		206
123	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
125		211
126	=item $cf::NOW	212	=item $cf::NOW
127		213
128	The time of the last (current) server tick.	214	The time of the last (current) server tick.
129		215
130	=item $cf::TICK	216	=item $cf::TICK
131		217
132	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
133		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
134	=item %cf::CFG	230	=item %cf::CFG
135		231
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	233	from wherever your confdir points to.
138		234
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		236
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
145		252
146	=back	253	=back
147		254
148	=cut	255	=cut
149		256
150	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	264	my $msg = join "", @_;
153	utf8::encode $msg;
154		265
155	$msg .= "\n"	266	$msg .= "\n"
156	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
157		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
158	LOG llevError, $msg;	271	LOG llevWarn, $msg;
159	};	272	};
160	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
161		287
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		295
169	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	297	# within the Safe compartment.
171	for my $pkg (qw(	298	for my $pkg (qw(
172	cf::global cf::attachable	299	cf::global cf::attachable
173	cf::object cf::object::player	300	cf::object cf::object::player
174	cf::client cf::player	301	cf::client cf::player
175	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
176	cf::map cf::party cf::region	304	cf::party cf::region
177	)) {	305	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	307	}
181		308
182	$Event::DIED = sub {	309	$EV::DIED = sub {
183	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
184	};	311	};
		312
		313	#############################################################################
185		314
186	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
187		316
188	=over 4	317	=over 4
189		318
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	338	$d
210	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
211	}	340	}
212		341
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
216		343
217	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
218		345
219	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
220		347
221	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
222		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
223	=item cf::lock_wait $string	371	=item cf::lock_wait $string
224		372
225	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
226		374
227	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
228		376
229	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
232	returned.	380	returned.
233		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
234	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
236		387
237	=cut	388	=item $locked = cf::lock_active $string
238		389
239	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
240		395
241	sub lock_wait($) {	396	sub lock_wait($) {
242	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	398	}
250		399
251	sub lock_acquire($) {	400	sub lock_acquire($) {
252	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
253		403
254	# wait, to be sure we are not locked	404	sub lock_active($) {
255	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	406	}
264		407
265	sub freeze_mainloop {	408	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
267		410
268	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
270	};	478	}
271	$TICK_WATCHER->stop;	479	};
272	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
273	}	494	}
274		495
275	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
276		497
277	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		503
283	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
284		505
285	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
286		507
287	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
290		512
291	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
294	fast or be very important.	516	fast or be very important.
…		…
296	=cut	518	=cut
297		519
298	sub sync_job(&) {	520	sub sync_job(&) {
299	my ($job) = @_;	521	my ($job) = @_;
300		522
301	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
302	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
304		528
305	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	530
307	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
308		532
309	my $busy = 1;	533	my $busy = 1;
310	my @res;	534	my @res;
311		535
312	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	538	@res = eval { $job->() };
314	warn $@ if $@;	539	error $@ if $@;
315	undef $busy;	540	undef $busy;
316	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
317		542
318	while ($busy) {	543	while ($busy) {
319	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
320	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
321		554
322	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
323	} else {	556	} else {
324	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
325		558
…		…
345	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
346		579
347	$coro	580	$coro
348	}	581	}
349		582
350	sub write_runtime {	583	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		584
353	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
354		589
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
356	or return;
357		591
358	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		594
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
363	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
364		598
365	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	600	reset_signals;
367	and return;	601	&$cb
		602	}, @args;
368		603
369	close $fh	604	wantarray ? @res : $res[-1]
370	or return;	605	}
371		606
372	aio_rename "$runtime~", $runtime	607	sub objinfo {
373	and return;
374
375	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
376	}	772	}
377		773
378	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
379		775
380	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
381		777
382	=cut	778	=cut
383		779
384	sub datalog($@) {	780	sub datalog($@) {
385	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	783	}
388		784
389	=back	785	=back
390		786
391	=cut	787	=cut
392		788
393	#############################################################################	789	#############################################################################
394		790
395	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
396		792
397	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
400		796
401	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	799	Deliantra).
404		800
405	=over 4	801	=over 4
406		802
407	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
408		804
…		…
452	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
453		849
454	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
456		852
457	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
459		855
460	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
461		857
462	=over 4	858	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
572		968
573	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		973
578	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	975	my $pkg = shift @arg;
580		976
581	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
586		982
587	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		985
590	} elsif (ref $type) {	986	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
592		988
593	} else {	989	} else {
594	shift @arg;	990	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
596	}	992	}
597	}	993	}
598	}	994	}
599		995
600	sub _object_attach {	996	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
611	}	1007	}
612		1008
613	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
614	} else {	1010	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1012	}
617		1013
618	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
619	}	1015	}
620		1016
…		…
622	if (ref $_[0]) {	1018	if (ref $_[0]) {
623	_object_attach @_;	1019	_object_attach @_;
624	} else {	1020	} else {
625	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
626	}	1022	}
		1023	_recalc_want;
627	};	1024	};
628		1025
629	# all those should be optimised	1026	# all those should be optimised
630	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1032	reattach ($obj);
636	} else {	1033	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
638	}	1035	}
		1036	_recalc_want;
639	};	1037	};
640		1038
641	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
643		1041
…		…
658	";	1056	";
659	die if $@;	1057	die if $@;
660	}	1058	}
661		1059
662	our $override;	1060	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1062
665	sub override {	1063	sub override {
666	$override = 1;	1064	$override = 1;
667	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
668	}	1066	}
669		1067
670	sub do_invoke {	1068	sub do_invoke {
671	my $event = shift;	1069	my $event = shift;
672	my $callbacks = shift;	1070	my $callbacks = shift;
673		1071
674	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
675		1073
676	local $override;	1074	local $override;
677		1075
678	for (@$callbacks) {	1076	for (@$callbacks) {
679	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
680		1078
681	if ($@) {	1079	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1081	override;
685	}	1082	}
686		1083
687	return 1 if $override;	1084	return 1 if $override;
688	}	1085	}
689		1086
690	0	1087	0
691	}	1088	}
692		1089
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1091
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1093
697	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
698		1095
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1099
703	=back	1100	=back
704		1101
705	=cut	1102	=cut
706		1103
707	#############################################################################	1104	#############################################################################
708	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
709		1148
710	sub reattach {	1149	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1151	my ($obj) = @_;
713		1152
		1153	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1155
716	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
717		1157
718	@$registry = ();	1158	@$registry = ();
719		1159
…		…
724	for (@$attach) {	1164	for (@$attach) {
725	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
727	}	1167	}
728	} else {	1168	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1170	}
731	}	1171	}
732	}	1172	}
733		1173
734	cf::attachable->attach (	1174	cf::attachable->attach (
735	prio => -1000000,	1175	prio => -1000000,
736	on_instantiate => sub {	1176	on_instantiate => sub {
737	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
738		1178
739	$data = from_json $data;	1179	$data = decode_json $data;
740		1180
741	for (@$data) {	1181	for (@$data) {
742	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
743		1183
744	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1200	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
762		1202
763	sync_job {	1203	sync_job {
764	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
767		1209
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
772	close $fh;	1217	aio_close $fh;
773		1218
774	if (@$objs) {	1219	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
780	close $fh;	1228	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
782	}	1230	}
783	} else {	1231	} else {
784	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
785	}	1233	}
786		1234
787	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1239	} else {
789	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
790	}	1241	}
791	} else {	1242	} else {
792	aio_unlink $filename;	1243	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
794	}	1245	}
795	}	1246	};
796	}	1247	}
797		1248
798	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
800		1251
…		…
812	or return;	1263	or return;
813		1264
814	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
816	or return;	1267	or return;
		1268
817	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
818	}	1271	}
819		1272
		1273	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
822	return ($data, $av);	1278	($data, $av)
823	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
824		1286
825	#############################################################################	1287	#############################################################################
826	# command handling &c	1288	# command handling &c
827		1289
828	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1304	}
843		1305
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1307
846	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
847		1313
848	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
849	called.	1315	called.
850		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
851	=cut	1328	=cut
852		1329
853	sub register_extcmd {	1330	sub register_extcmd {
854	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
855		1332
856	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
857	}	1334	}
858		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
859	cf::player->attach (	1344	cf::player->attach (
860	on_command => sub {	1345	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
862		1347
863	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
864	or return;	1349	or return;
865		1350
…		…
870	cf::override;	1355	cf::override;
871	},	1356	},
872	on_extcmd => sub {	1357	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
874		1359
875	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1361
877	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
883	} else {	1377	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1379	}
886		1380
887	cf::override;	1381	cf::override;
888	},	1382	},
889	);	1383	);
890		1384
		1385	# "readahead" all extensions
891	sub load_extension {	1386	sub cache_extensions {
892	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
893		1388
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1392	}
919	die $@;
920	}	1393	};
921		1394
922	push @EXTS, $pkg;	1395	$grp
923	}	1396	}
924		1397
925	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
926	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1405	next unless -r $path;
928	eval {	1406
929	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
930	1	1470	}
931	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
932	}	1481	};
933	}	1482	}
934		1483
935	#############################################################################	1484	#############################################################################
936		1485
		1486	=back
		1487
937	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
938		1489
939	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
940		1491
941	=cut	1492	=cut
942		1493
943	package cf::player;	1494	package cf::player;
944		1495
…		…
946		1497
947	=head3 cf::player	1498	=head3 cf::player
948		1499
949	=over 4	1500	=over 4
950		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
951	=item cf::player::find $login	1516	=item cf::player::find $login
952		1517
953	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
954		1519
955	=cut	1520	=cut
956		1521
957	sub playerdir($) {	1522	sub playerdir($) {
958	cf::localdir	1523	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1525	}
964		1526
965	sub path($) {	1527	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1529
968	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
969	}	1531	}
970		1532
971	sub find_active($) {	1533	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
976		1538
977	sub exists($) {	1539	sub exists($) {
978	my ($login) = @_;	1540	my ($login) = @_;
979		1541
980	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
982	}	1544	}
983		1545
984	sub find($) {	1546	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1548	my $login = $_[0];
987		1549
988	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
989		1551
990	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
992	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
994	}	1569	}
995	}	1570	}
996	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
997		1585
998	sub save($) {	1586	sub save($) {
999	my ($pl) = @_;	1587	my ($pl) = @_;
1000		1588
1001	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1007		1595
1008	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1010		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1011	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1012	Coro::cede;	1605	cf::cede_to_tick;
1013	}	1606	}
1014		1607
1015	sub new($) {	1608	sub new($) {
1016	my ($login) = @_;	1609	my ($login) = @_;
1017		1610
…		…
1023	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1024		1617
1025	$self	1618	$self
1026	}	1619	}
1027		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1028	=item $pl->quit_character	1631	=item $pl->quit_character
1029		1632
1030	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1032		1635
…		…
1036	my ($pl) = @_;	1639	my ($pl) = @_;
1037		1640
1038	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1039		1642
1040	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1645
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1047		1651
1048	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1080		1684
1081	=cut	1685	=cut
1082		1686
1083	sub list_logins {	1687	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1689	or return [];
1086		1690
1087	my @logins;	1691	my @logins;
1088		1692
1089	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1093		1703
1094	utf8::decode $login;	1704	utf8::decode $login;
1095	push @logins, $login;	1705	push @logins, $login;
1096	}	1706	}
1097		1707
1098	\@logins	1708	\@logins
1099	}	1709	}
1100		1710
1101	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1102		1714
1103	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1104	player. May block.	1716	player. May block.
1105		1717
1106	=cut	1718	=cut
…		…
1124	}	1736	}
1125		1737
1126	\@paths	1738	\@paths
1127	}	1739	}
1128		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1129	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1130		1746
1131	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1132		1748
1133	=cut	1749	=cut
1134		1750
1135	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1137		1753
1138	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1755	}
1142		1756
1143	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1144		1758
1145	Sends an ext event to the client.	1759	Sends an ext event to the client.
1146		1760
1147	=cut	1761	=cut
1148		1762
1149	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1151		1765
1152	delete $msg{msgid};	1766	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1767	}
1158		1768
1159	package cf;	1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1160		1799
1161	=back	1800	=back
1162
1163		1801
1164	=head3 cf::map	1802	=head3 cf::map
1165		1803
1166	=over 4	1804	=over 4
1167		1805
…		…
1179	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1181		1819
1182	sub generate_random_map {	1820	sub generate_random_map {
1183	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1184	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1185	$self->_create_random_map (	1826	$self->_create_random_map (
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1189	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1190	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1207		1848
1208	sub register {	1849	sub register {
1209	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1210	my $pkg = caller;	1851	my $pkg = caller;
1211		1852
1212	no strict;
1213	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1214		1854
1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1216	}	1856	}
1217		1857
1218	# also paths starting with '/'	1858	# also paths starting with '/'
1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1220		1860
1221	sub thawer_merge {	1861	sub thawer_merge {
1222	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1223		1863
1224	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1225	local $self->{path};	1865	local $self->{path};
1226	local $self->{load_path};	1866	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1867
1230	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1231	}	1869	}
1232		1870
1233	sub normalise {	1871	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1281	return $self;	1919	return $self;
1282	}	1920	}
1283	}	1921	}
1284		1922
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1924	()
1287	}	1925	}
1288		1926
1289	sub init {	1927	sub init {
1290	my ($self) = @_;	1928	my ($self) = @_;
…		…
1305		1943
1306	# the original (read-only) location	1944	# the original (read-only) location
1307	sub load_path {	1945	sub load_path {
1308	my ($self) = @_;	1946	my ($self) = @_;
1309		1947
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1311	}	1949	}
1312		1950
1313	# the temporary/swap location	1951	# the temporary/swap location
1314	sub save_path {	1952	sub save_path {
1315	my ($self) = @_;	1953	my ($self) = @_;
1316		1954
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1319	}	1957	}
1320		1958
1321	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1322	sub uniq_path {	1960	sub uniq_path {
1323	my ($self) = @_;	1961	my ($self) = @_;
1324		1962
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1327	}	1965	}
1328		1966
1329	# and all this just because we cannot iterate over	1967	sub decay_objects {
1330	# all maps in C++...
1331	sub change_all_map_light {
1332	my ($change) = @_;	1968	my ($self) = @_;
1333		1969
1334	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1335	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1336	}	1973	}
1337		1974
1338	sub unlink_save {	1975	sub unlink_save {
1339	my ($self) = @_;	1976	my ($self) = @_;
1340		1977
…		…
1345		1982
1346	sub load_header_from($) {	1983	sub load_header_from($) {
1347	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1348		1985
1349	utf8::encode $path;	1986	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1355		1995
1356	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1357		1997
1358	1	1998	1
1359	}	1999	}
…		…
1398	$self->load_header_orig	2038	$self->load_header_orig
1399	or return;	2039	or return;
1400	$self->prepare_orig;	2040	$self->prepare_orig;
1401	}	2041	}
1402		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
		2046	$self->default_region (cf::region::find_by_path $self->{path})
		2047	unless $self->default_region;
		2048
1403	1	2049	1
1404	}	2050	}
1405		2051
1406	sub find;	2052	sub find;
1407	sub find {	2053	sub find {
1408	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1409		2055
1410	$path = normalise $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
1411		2057
		2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
1413		2060
1414	$cf::MAP{$path} || do {	2061	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";
1416	my $map = new_from_path cf::map $path	2062	my $map = new_from_path cf::map $path
1417	or return;	2063	or return;
1418		2064
1419	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
1420		2066
1421	$map->load_header	2067	$map->load_header
1422	or return;	2068	or return;
1423		2069
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	2071	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
		2074	undef $guard1;
1427	$map->reset;	2075	$map->reset;
1428	undef $guard;
1429	return find $path;	2076	return find $path;
1430	}	2077	}
1431		2078
1432	$cf::MAP{$path} = $map	2079	$cf::MAP{$path} = $map
1433	}	2080	}
1434	}	2081	}
1435		2082
1436	sub pre_load { }	2083	sub pre_load { }
1437	sub post_load { }	2084	#sub post_load { } # XS
1438		2085
1439	sub load {	2086	sub load {
1440	my ($self) = @_;	2087	my ($self) = @_;
1441		2088
1442	local $self->{deny_reset} = 1; # loading can take a long time	2089	local $self->{deny_reset} = 1; # loading can take a long time
1443		2090
1444	my $path = $self->{path};	2091	my $path = $self->{path};
		2092
		2093	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2094	my $guard = cf::lock_acquire "map_data:$path";
1446		2095
		2096	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2097	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		2098
1449	$self->in_memory (cf::MAP_LOADING);	2099	$self->in_memory (cf::MAP_LOADING);
1450		2100
1451	$self->alloc;	2101	$self->alloc;
1452		2102
1453	$self->pre_load;	2103	$self->pre_load;
		2104	cf::cede_to_tick;
1454		2105
1455	$self->_load_objects ($self->{load_path}, 1)	2106	my $f = new_from_file cf::object::thawer $self->{load_path};
		2107	$f->skip_block;
		2108	$self->_load_objects ($f)
1456	or return;	2109	or return;
1457		2110
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
1459	if delete $self->{load_original};	2112	if delete $self->{load_original};
1460		2113
1461	if (my $uniq = $self->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2115	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2116	unless (aio_stat $uniq) {
		2117	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2118	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2119	$self->_load_objects ($f);
		2120	$f->resolve_delayed_derefs;
		2121	}
1466	}	2122	}
1467	}	2123	}
1468		2124
1469	Coro::cede;	2125	$f->resolve_delayed_derefs;
1470		2126
		2127	cf::cede_to_tick;
1471	# now do the right thing for maps	2128	# now do the right thing for maps
1472	$self->link_multipart_objects;	2129	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2130	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2131	unless $self->difficulty;
1482	Coro::cede;	2132	cf::cede_to_tick;
		2133
		2134	unless ($self->{deny_activate}) {
		2135	$self->decay_objects;
		2136	$self->fix_auto_apply;
		2137	$self->update_buttons;
		2138	cf::cede_to_tick;
1483	$self->activate;	2139	$self->activate;
		2140	}
		2141
		2142	$self->{last_save} = $cf::RUNTIME;
		2143	$self->last_access ($cf::RUNTIME);
		2144
		2145	$self->in_memory (cf::MAP_ACTIVE);
1484	}	2146	}
1485		2147
1486	$self->post_load;	2148	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2149	}
1490		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
1491	sub customise_for {	2154	sub customise_for {
1492	my ($self, $ob) = @_;	2155	my ($self, $ob) = @_;
1493		2156
1494	return find "~" . $ob->name . "/" . $self->{path}	2157	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2158	if $self->per_player;
1496		2159
		2160	# return find "?party/" . $ob->name . "/" . $self->{path}
		2161	# if $self->per_party;
		2162
1497	$self	2163	$self
1498	}	2164	}
1499		2165
1500	# find and load all maps in the 3x3 area around a map	2166	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2167	sub load_neighbours {
1502	my ($map) = @_;	2168	my ($map) = @_;
1503		2169
1504	my @diag; # diagonal neighbours	2170	my @neigh; # diagonal neighbours
1505		2171
1506	for (0 .. 3) {	2172	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2173	my $neigh = $map->tile_path ($_)
1508	or next;	2174	or next;
1509	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
1510	or next;	2176	or next;
1511	$neigh->load;	2177	$neigh->load;
1512		2178
		2179	# now find the diagonal neighbours
		2180	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2183	}
1516		2184
1517	for (@diag) {	2185	for (grep defined $_->[0], @neigh) {
		2186	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2187	my $neigh = find $path, $origin
1519	or next;	2188	or next;
1520	$neigh->load;	2189	$neigh->load;
1521	}	2190	}
1522	}	2191	}
1523		2192
1524	sub find_sync {	2193	sub find_sync {
1525	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
1526		2195
1527	cf::sync_job { find $path, $origin }	2196	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2197	if $Coro::current == $Coro::main;
		2198
		2199	find $path, $origin
1528	}	2200	}
1529		2201
1530	sub do_load_sync {	2202	sub do_load_sync {
1531	my ($map) = @_;	2203	my ($map) = @_;
1532		2204
1533	cf::sync_job { $map->load };	2205	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2206	if $Coro::current == $Coro::main;
		2207
		2208	$map->load;
1534	}	2209	}
1535		2210
1536	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2212	our $MAP_PREFETCHER = undef;
1538		2213
1539	sub find_async {	2214	sub find_async {
1540	my ($path, $origin) = @_;	2215	my ($path, $origin, $load) = @_;
1541		2216
1542	$path = normalise $path, $origin && $origin->{path};	2217	$path = normalise $path, $origin && $origin->{path};
1543		2218
1544	if (my $map = $cf::MAP{$path}) {	2219	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2220	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1546	}	2221	}
1547		2222
1548	undef $MAP_PREFETCH{$path};	2223	$MAP_PREFETCH{$path} |= $load;
		2224
1549	$MAP_PREFETCHER ||= cf::async {	2225	$MAP_PREFETCHER ||= cf::async {
		2226	$Coro::current->{desc} = "map prefetcher";
		2227
1550	while (%MAP_PREFETCH) {	2228	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2229	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2230	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2231	$map->load if $v;
		2232	}
1555		2233
1556	delete $MAP_PREFETCH{$path};	2234	delete $MAP_PREFETCH{$k};
1557	}	2235	}
1558	}	2236	}
1559	undef $MAP_PREFETCHER;	2237	undef $MAP_PREFETCHER;
1560	};	2238	};
1561	$MAP_PREFETCHER->prio (6);	2239	$MAP_PREFETCHER->prio (6);
1562		2240
1563	()	2241	()
1564	}	2242	}
1565		2243
		2244	# common code, used by both ->save and ->swapout
1566	sub save {	2245	sub _save {
1567	my ($self) = @_;	2246	my ($self) = @_;
1568
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1570		2247
1571	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1572		2249
1573	return unless $self->dirty;	2250	return unless $self->dirty;
1574		2251
…		…
1580	return if $self->{deny_save};	2257	return if $self->{deny_save};
1581		2258
1582	local $self->{last_access} = $self->last_access;#d#	2259	local $self->{last_access} = $self->last_access;#d#
1583		2260
1584	cf::async {	2261	cf::async {
		2262	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2263	$_->contr->save for $self->players;
1586	};	2264	};
		2265
		2266	cf::get_slot 0.02;
1587		2267
1588	if ($uniq) {	2268	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2269	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2270	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2271	} else {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1593	}	2273	}
1594	}	2274	}
1595		2275
		2276	sub save {
		2277	my ($self) = @_;
		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
		2281	$self->_save;
		2282	}
		2283
1596	sub swap_out {	2284	sub swap_out {
1597	my ($self) = @_;	2285	my ($self) = @_;
1598		2286
1599	# save first because save cedes
1600	$self->save;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2288
		2289	return if $self->in_memory != cf::MAP_ACTIVE;
		2290	return if $self->{deny_save};
1604	return if $self->players;	2291	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1606	return if $self->{deny_save};
1607		2292
		2293	# first deactivate the map and "unlink" it from the core
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# then atomically save
		2299	$self->_save;
		2300
		2301	# then free the map
1608	$self->clear;	2302	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2303	}
1611		2304
1612	sub reset_at {	2305	sub reset_at {
1613	my ($self) = @_;	2306	my ($self) = @_;
1614		2307
1615	# TODO: safety, remove and allow resettable per-player maps	2308	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2309	return 1e99 if $self->{deny_reset};
1618		2310
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2311	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2312	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2313
…		…
1632	my ($self) = @_;	2324	my ($self) = @_;
1633		2325
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2327
1636	return if $self->players;	2328	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2329
1639	warn "resetting map ", $self->path;#d#	2330	cf::trace "resetting map ", $self->path, "\n";
1640		2331
1641	$self->in_memory (cf::MAP_SWAPPED);	2332	$self->in_memory (cf::MAP_SWAPPED);
1642		2333
1643	# need to save uniques path	2334	# need to save uniques path
1644	unless ($self->{deny_save}) {	2335	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2339	if $uniq;
1649	}	2340	}
1650		2341
1651	delete $cf::MAP{$self->path};	2342	delete $cf::MAP{$self->path};
1652		2343
		2344	$self->deactivate;
		2345	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2346	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2347
1657	$self->unlink_save;	2348	$self->unlink_save;
1658	$self->destroy;	2349	$self->destroy;
1659	}	2350	}
1660		2351
1661	my $nuke_counter = "aaaa";	2352	my $nuke_counter = "aaaa";
1662		2353
1663	sub nuke {	2354	sub nuke {
1664	my ($self) = @_;	2355	my ($self) = @_;
1665		2356
		2357	{
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
1666	delete $cf::MAP{$self->path};	2360	delete $cf::MAP{$self->path};
1667		2361
1668	$self->unlink_save;	2362	$self->unlink_save;
1669		2363
1670	bless $self, "cf::map";	2364	bless $self, "cf::map::wrap";
1671	delete $self->{deny_reset};	2365	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2369
1676	$cf::MAP{$self->path} = $self;	2370	$cf::MAP{$self->path} = $self;
		2371	}
1677		2372
1678	$self->reset; # polite request, might not happen	2373	$self->reset; # polite request, might not happen
		2374	}
		2375
		2376	=item $maps = cf::map::tmp_maps
		2377
		2378	Returns an arrayref with all map paths of currently instantiated and saved
		2379	maps. May block.
		2380
		2381	=cut
		2382
		2383	sub tmp_maps() {
		2384	[
		2385	map {
		2386	utf8::decode $_;
		2387	/\.map$/
		2388	? normalise $_
		2389	: ()
		2390	} @{ aio_readdir $TMPDIR or [] }
		2391	]
		2392	}
		2393
		2394	=item $maps = cf::map::random_maps
		2395
		2396	Returns an arrayref with all map paths of currently instantiated and saved
		2397	random maps. May block.
		2398
		2399	=cut
		2400
		2401	sub random_maps() {
		2402	[
		2403	map {
		2404	utf8::decode $_;
		2405	/\.map$/
		2406	? normalise "?random/$_"
		2407	: ()
		2408	} @{ aio_readdir $RANDOMDIR or [] }
		2409	]
1679	}	2410	}
1680		2411
1681	=item cf::map::unique_maps	2412	=item cf::map::unique_maps
1682		2413
1683	Returns an arrayref of paths of all shared maps that have	2414	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2415	instantiated unique items. May block.
1685		2416
1686	=cut	2417	=cut
1687		2418
1688	sub unique_maps() {	2419	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2420	[
1690	or return;	2421	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2422	utf8::decode $_;
1696	next if /\.pst$/;	2423	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2424	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2425	? ()
1699	push @paths, cf::map::normalise $_;	2426	: normalise $_
		2427	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2428	]
1701
1702	\@paths
1703	}	2429	}
1704		2430
1705	package cf;	2431	=item cf::map::static_maps
		2432
		2433	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2434	file in the shared directory excluding F</styles> and F</editor>). May
		2435	block.
		2436
		2437	=cut
		2438
		2439	sub static_maps() {
		2440	my @dirs = "";
		2441	my @maps;
		2442
		2443	while (@dirs) {
		2444	my $dir = shift @dirs;
		2445
		2446	next if $dir eq "/styles" || $dir eq "/editor";
		2447
		2448	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2449	or return;
		2450
		2451	for (@$files) {
		2452	s/\.map$// or next;
		2453	utf8::decode $_;
		2454	push @maps, "$dir/$_";
		2455	}
		2456
		2457	push @dirs, map "$dir/$_", @$dirs;
		2458	}
		2459
		2460	\@maps
		2461	}
1706		2462
1707	=back	2463	=back
1708		2464
1709	=head3 cf::object	2465	=head3 cf::object
1710		2466
…		…
1714		2470
1715	=over 4	2471	=over 4
1716		2472
1717	=item $ob->inv_recursive	2473	=item $ob->inv_recursive
1718		2474
1719	Returns the inventory of the object _and_ their inventories, recursively.	2475	Returns the inventory of the object I<and> their inventories, recursively,
		2476	but I<not> the object itself.
1720		2477
1721	=cut	2478	=cut
1722		2479
1723	sub inv_recursive_;	2480	sub inv_recursive_;
1724	sub inv_recursive_ {	2481	sub inv_recursive_ {
…		…
1727		2484
1728	sub inv_recursive {	2485	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2486	inv_recursive_ inv $_[0]
1730	}	2487	}
1731		2488
		2489	=item $ref = $ob->ref
		2490
		2491	Creates and returns a persistent reference to an object that can be stored as a string.
		2492
		2493	=item $ob = cf::object::deref ($refstring)
		2494
		2495	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2496	even if the object actually exists. May block.
		2497
		2498	=cut
		2499
		2500	sub deref {
		2501	my ($ref) = @_;
		2502
		2503	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2504	my ($uuid, $name) = ($1, $2);
		2505	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2506	or return;
		2507	$pl->ob->uuid eq $uuid
		2508	or return;
		2509
		2510	$pl->ob
		2511	} else {
		2512	warn "$ref: cannot resolve object reference\n";
		2513	undef
		2514	}
		2515	}
		2516
1732	package cf;	2517	package cf;
1733		2518
1734	=back	2519	=back
1735		2520
1736	=head3 cf::object::player	2521	=head3 cf::object::player
…		…
1742	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2527	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1743	can be C<undef>. Does the right thing when the player is currently in a	2528	can be C<undef>. Does the right thing when the player is currently in a
1744	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
1745		2530
1746	=cut	2531	=cut
		2532
		2533	our $SAY_CHANNEL = {
		2534	id => "say",
		2535	title => "Map",
		2536	reply => "say ",
		2537	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2538	};
		2539
		2540	our $CHAT_CHANNEL = {
		2541	id => "chat",
		2542	title => "Chat",
		2543	reply => "chat ",
		2544	tooltip => "Player chat and shouts, global to the server.",
		2545	};
1747		2546
1748	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2548	# with dialog boxes.
1750	#TODO: the first argument must go, split into a $npc->reply_to ( method	2549	#TODO: the first argument must go, split into a $npc->reply_to ( method
1751	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
…		…
1753		2552
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2553	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2554
1756	if ($self->{record_replies}) {	2555	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2556	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2557
1758	} else {	2558	} else {
		2559	my $pl = $self->contr;
		2560
		2561	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2562	my $dialog = $pl->{npc_dialog};
		2563	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2564
		2565	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2568	}
1761	}	2569	}
		2570	}
		2571
		2572	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2573
		2574	=cut
		2575
		2576	sub cf::object::send_msg {
		2577	my $pl = shift->contr
		2578	or return;
		2579	$pl->send_msg (@_);
1762	}	2580	}
1763		2581
1764	=item $player_object->may ("access")	2582	=item $player_object->may ("access")
1765		2583
1766	Returns wether the given player is authorized to access resource "access"	2584	Returns wether the given player is authorized to access resource "access"
…		…
1779		2597
1780	=item $player_object->enter_link	2598	=item $player_object->enter_link
1781		2599
1782	Freezes the player and moves him/her to a special map (C<{link}>).	2600	Freezes the player and moves him/her to a special map (C<{link}>).
1783		2601
1784	The player should be reasonably safe there for short amounts of time. You	2602	The player should be reasonably safe there for short amounts of time (e.g.
1785	I<MUST> call C<leave_link> as soon as possible, though.	2603	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2604	though, as the player cannot control the character while it is on the link
		2605	map.
1786		2606
1787	Will never block.	2607	Will never block.
1788		2608
1789	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
1790		2610
…		…
1810	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
1811	my ($self) = @_;	2631	my ($self) = @_;
1812		2632
1813	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
1814		2634
		2635	++$self->{_link_recursion};
		2636
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2638
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2640	if $self->map && $self->map->{path} ne "{link}";
1819		2641
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1821	}	2643	}
1822		2644
1823	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
		2647
		2648	return unless $self->contr->active;
1825		2649
1826	my $link_pos = delete $self->{_link_pos};	2650	my $link_pos = delete $self->{_link_pos};
1827		2651
1828	unless ($map) {	2652	unless ($map) {
1829	# restore original map position	2653	# restore original map position
…		…
1840	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
1841	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
1842		2666
1843	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
1846		2670
1847	$map->load;	2671	$map->load;
1848	$map->load_diag;	2672	$map->load_neighbours;
1849		2673
1850	return unless $self->contr->active;	2674	return unless $self->contr->active;
1851	$self->activate_recursive;
1852		2675
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2677	if ($self->enter_map ($map, $x, $y)) {
1855	}	2678	# entering was successful
1856		2679	delete $self->{_link_recursion};
1857	cf::player->attach (	2680	# only activate afterwards, to support waiting in hooks
1858	on_logout => sub {	2681	$self->activate_recursive;
1859	my ($pl) = @_;
1860
1861	# abort map switching before logout
1862	if ($pl->ob->{_link_pos}) {
1863	cf::sync_job {
1864	$pl->ob->leave_link
1865	};
1866	}
1867	},	2682	}
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2683
1871	# try to abort aborted map switching on player login :)	2684	}
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888		2685
1889	=item $player_object->goto ($path, $x, $y)	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1890		2687
		2688	Moves the player to the given map-path and coordinates by first freezing
		2689	her, loading and preparing them map, calling the provided $check callback
		2690	that has to return the map if sucecssful, and then unfreezes the player on
		2691	the new (success) or old (failed) map position. In either case, $done will
		2692	be called at the end of this process.
		2693
		2694	Note that $check will be called with a potentially non-loaded map, so if
		2695	it needs a loaded map it has to call C<< ->load >>.
		2696
1891	=cut	2697	=cut
		2698
		2699	our $GOTOGEN;
1892		2700
1893	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2702	my ($self, $path, $x, $y, $check, $done) = @_;
		2703
		2704	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2705	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2706	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2707	($path, $x, $y) = @$EMERGENCY_POSITION;
		2708	}
		2709
		2710	# do generation counting so two concurrent goto's will be executed in-order
		2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2712
1896	$self->enter_link;	2713	$self->enter_link;
1897		2714
1898	(async {	2715	(async {
		2716	$Coro::current->{desc} = "player::goto $path $x $y";
		2717
		2718	# *tag paths override both path and x|y
		2719	if ($path =~ /^\*(.*)$/) {
		2720	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2721	my $ob = $obs[rand @obs];
		2722
		2723	# see if we actually can go there
		2724	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2725	$ob = $obs[rand @obs];
		2726	} else {
		2727	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2728	}
		2729	# else put us there anyways for now #d#
		2730
		2731	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2732	} else {
		2733	($path, $x, $y) = (undef, undef, undef);
		2734	}
		2735	}
		2736
1899	my $map = eval {	2737	my $map = eval {
1900	my $map = cf::map::find $path;	2738	my $map = defined $path ? cf::map::find $path : undef;
		2739
		2740	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2741	$map = $map->customise_for ($self);
		2742	$map = $check->($map, $x, $y, $self) if $check && $map;
		2743	} else {
		2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2745	}
		2746
1902	$map	2747	$map
		2748	};
		2749
		2750	if ($@) {
		2751	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2753	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2754
		2755	if ($gen == $self->{_goto_generation}) {
		2756	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
		2758	}
		2759
		2760	$done->($self) if $done;
1907	})->prio (1);	2761	})->prio (1);
1908	}	2762	}
1909		2763
1910	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
1911		2765
…		…
1931	}	2785	}
1932		2786
1933	sub prepare_random_map {	2787	sub prepare_random_map {
1934	my ($exit) = @_;	2788	my ($exit) = @_;
1935		2789
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2790	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2791	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2792	# that depends on the exit object
1941		2793
1942	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2796	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2797	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
1949	}	2803	}
1950		2804
1951	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
1952		2806
1953	my $data = cf::to_json $rmp;	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2808	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2809	my $meta = "$RANDOMDIR/$md5.meta";
1956		2810
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2813	undef $fh;
1960	aio_rename "$meta~", $meta;	2814	aio_rename "$meta~", $meta;
1961		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
1964	}	2822	}
1965	}	2823	}
1966		2824
1967	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
1969		2827
1970	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
1971		2829
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2830	$self->enter_link;
1982		2831
1983	(async {	2832	(async {
1984	$self->deactivate_recursive; # just to be sure	2833	$Coro::current->{desc} = "enter_exit";
		2834
1985	unless (eval {	2835	unless (eval {
		2836	$self->deactivate_recursive; # just to be sure
		2837
		2838	# random map handling
		2839	{
		2840	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2841
		2842	prepare_random_map $exit
		2843	if $exit->slaying eq "/!";
		2844	}
		2845
		2846	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2847	my $x = $exit->stats->hp;
		2848	my $y = $exit->stats->sp;
		2849
1986	$self->goto ($slaying, $hp, $sp);	2850	$self->goto ($map, $x, $y);
1987		2851
		2852	# if exit is damned, update players death & WoR home-position
		2853	$self->contr->savebed ($map, $x, $y)
		2854	if $exit->flag (cf::FLAG_DAMNED);
		2855
1988	1;	2856	1
1989	}) {	2857	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
1991	. "I'll try to bring you back to the map you were before. "	2859	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2860	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2862
1995	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
1996	$self->leave_link;	2864	$self->leave_link;
1997	}	2865	}
1998	})->prio (1);	2866	})->prio (1);
1999	}	2867	}
2000		2868
…		…
2014		2882
2015	utf8::encode $text;	2883	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2884	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2885	}
2018		2886
		2887	=item $client->send_big_packet ($pkt)
		2888
		2889	Like C<send_packet>, but tries to compress large packets, and fragments
		2890	them as required.
		2891
		2892	=cut
		2893
		2894	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2895
		2896	sub cf::client::send_big_packet {
		2897	my ($self, $pkt) = @_;
		2898
		2899	# try lzf for large packets
		2900	$pkt = "lzf " . Compress::LZF::compress $pkt
		2901	if 1024 <= length $pkt and $self->{can_lzf};
		2902
		2903	# split very large packets
		2904	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2905	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2906	$pkt = "frag";
		2907	}
		2908
		2909	$self->send_packet ($pkt);
		2910	}
		2911
		2912	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2913
		2914	Send a drawinfo or msg packet to the client, formatting the msg for the
		2915	client if neccessary. C<$type> should be a string identifying the type of
		2916	the message, with C<log> being the default. If C<$color> is negative, suppress
		2917	the message unless the client supports the msg packet.
		2918
		2919	=cut
		2920
		2921	# non-persistent channels (usually the info channel)
		2922	our %CHANNEL = (
		2923	"c/motd" => {
		2924	id => "infobox",
		2925	title => "MOTD",
		2926	reply => undef,
		2927	tooltip => "The message of the day",
		2928	},
		2929	"c/identify" => {
		2930	id => "infobox",
		2931	title => "Identify",
		2932	reply => undef,
		2933	tooltip => "Items recently identified",
		2934	},
		2935	"c/examine" => {
		2936	id => "infobox",
		2937	title => "Examine",
		2938	reply => undef,
		2939	tooltip => "Signs and other items you examined",
		2940	},
		2941	"c/shopinfo" => {
		2942	id => "infobox",
		2943	title => "Shop Info",
		2944	reply => undef,
		2945	tooltip => "What your bargaining skill tells you about the shop",
		2946	},
		2947	"c/book" => {
		2948	id => "infobox",
		2949	title => "Book",
		2950	reply => undef,
		2951	tooltip => "The contents of a note or book",
		2952	},
		2953	"c/lookat" => {
		2954	id => "infobox",
		2955	title => "Look",
		2956	reply => undef,
		2957	tooltip => "What you saw there",
		2958	},
		2959	"c/who" => {
		2960	id => "infobox",
		2961	title => "Players",
		2962	reply => undef,
		2963	tooltip => "Shows players who are currently online",
		2964	},
		2965	"c/body" => {
		2966	id => "infobox",
		2967	title => "Body Parts",
		2968	reply => undef,
		2969	tooltip => "Shows which body parts you posess and are available",
		2970	},
		2971	"c/statistics" => {
		2972	id => "infobox",
		2973	title => "Statistics",
		2974	reply => undef,
		2975	tooltip => "Shows your primary statistics",
		2976	},
		2977	"c/skills" => {
		2978	id => "infobox",
		2979	title => "Skills",
		2980	reply => undef,
		2981	tooltip => "Shows your experience per skill and item power",
		2982	},
		2983	"c/shopitems" => {
		2984	id => "infobox",
		2985	title => "Shop Items",
		2986	reply => undef,
		2987	tooltip => "Shows the items currently for sale in this shop",
		2988	},
		2989	"c/resistances" => {
		2990	id => "infobox",
		2991	title => "Resistances",
		2992	reply => undef,
		2993	tooltip => "Shows your resistances",
		2994	},
		2995	"c/pets" => {
		2996	id => "infobox",
		2997	title => "Pets",
		2998	reply => undef,
		2999	tooltip => "Shows information abotu your pets/a specific pet",
		3000	},
		3001	"c/perceiveself" => {
		3002	id => "infobox",
		3003	title => "Perceive Self",
		3004	reply => undef,
		3005	tooltip => "You gained detailed knowledge about yourself",
		3006	},
		3007	"c/uptime" => {
		3008	id => "infobox",
		3009	title => "Uptime",
		3010	reply => undef,
		3011	tooltip => "How long the server has been running since last restart",
		3012	},
		3013	"c/mapinfo" => {
		3014	id => "infobox",
		3015	title => "Map Info",
		3016	reply => undef,
		3017	tooltip => "Information related to the maps",
		3018	},
		3019	"c/party" => {
		3020	id => "party",
		3021	title => "Party",
		3022	reply => "gsay ",
		3023	tooltip => "Messages and chat related to your party",
		3024	},
		3025	"c/death" => {
		3026	id => "death",
		3027	title => "Death",
		3028	reply => undef,
		3029	tooltip => "Reason for and more info about your most recent death",
		3030	},
		3031	"c/say" => $SAY_CHANNEL,
		3032	"c/chat" => $CHAT_CHANNEL,
		3033	);
		3034
		3035	sub cf::client::send_msg {
		3036	my ($self, $channel, $msg, $color, @extra) = @_;
		3037
		3038	$msg = $self->pl->expand_cfpod ($msg)
		3039	unless $color & cf::NDI_VERBATIM;
		3040
		3041	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3042
		3043	# check predefined channels, for the benefit of C
		3044	if ($CHANNEL{$channel}) {
		3045	$channel = $CHANNEL{$channel};
		3046
		3047	$self->ext_msg (channel_info => $channel);
		3048	$channel = $channel->{id};
		3049
		3050	} elsif (ref $channel) {
		3051	# send meta info to client, if not yet sent
		3052	unless (exists $self->{channel}{$channel->{id}}) {
		3053	$self->{channel}{$channel->{id}} = $channel;
		3054	$self->ext_msg (channel_info => $channel);
		3055	}
		3056
		3057	$channel = $channel->{id};
		3058	}
		3059
		3060	return unless @extra || length $msg;
		3061
		3062	# default colour, mask it out
		3063	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3064	if $color & cf::NDI_DEF;
		3065
		3066	my $pkt = "msg "
		3067	. $self->{json_coder}->encode (
		3068	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3069	);
		3070
		3071	$self->send_big_packet ($pkt);
		3072	}
		3073
		3074	=item $client->ext_msg ($type, @msg)
		3075
		3076	Sends an ext event to the client.
		3077
		3078	=cut
		3079
		3080	sub cf::client::ext_msg($$@) {
		3081	my ($self, $type, @msg) = @_;
		3082
		3083	if ($self->extcmd == 2) {
		3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3085	} elsif ($self->extcmd == 1) { # TODO: remove
		3086	push @msg, msgtype => "event_$type";
		3087	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3088	}
		3089	}
		3090
		3091	=item $client->ext_reply ($msgid, @msg)
		3092
		3093	Sends an ext reply to the client.
		3094
		3095	=cut
		3096
		3097	sub cf::client::ext_reply($$@) {
		3098	my ($self, $id, @msg) = @_;
		3099
		3100	if ($self->extcmd == 2) {
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3102	} elsif ($self->extcmd == 1) {
		3103	#TODO: version 1, remove
		3104	unshift @msg, msgtype => "reply", msgid => $id;
		3105	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3106	}
		3107	}
2019		3108
2020	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
2021		3110
2022	Queues a query to the client, calling the given callback with	3111	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3112	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3113	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		3114
2026	Queries can fail, so check the return code. Or don't, as queries will become	3115	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	3116	become reliable at some point in the future.
2028		3117
2029	=cut	3118	=cut
2030		3119
2031	sub cf::client::query {	3120	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	3121	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	3129	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3130	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		3131
2043	$self->send_packet ($self->{query_queue}[0][0])	3132	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	3133	if @{ $self->{query_queue} } == 1;
		3134
		3135	1
2045	}	3136	}
2046		3137
2047	cf::client->attach (	3138	cf::client->attach (
		3139	on_connect => sub {
		3140	my ($ns) = @_;
		3141
		3142	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3143	},
2048	on_reply => sub {	3144	on_reply => sub {
2049	my ($ns, $msg) = @_;	3145	my ($ns, $msg) = @_;
2050		3146
2051	# this weird shuffling is so that direct followup queries	3147	# this weird shuffling is so that direct followup queries
2052	# get handled first	3148	# get handled first
…		…
2064	} else {	3160	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3161	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	3162	}
2067	}	3163	}
2068	},	3164	},
		3165	on_exticmd => sub {
		3166	my ($ns, $buf) = @_;
		3167
		3168	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3169
		3170	if (ref $msg) {
		3171	my ($type, $reply, @payload) =
		3172	"ARRAY" eq ref $msg
		3173	? @$msg
		3174	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3175
		3176	my @reply;
		3177
		3178	if (my $cb = $EXTICMD{$type}) {
		3179	@reply = $cb->($ns, @payload);
		3180	}
		3181
		3182	$ns->ext_reply ($reply, @reply)
		3183	if $reply;
		3184
		3185	} else {
		3186	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3187	}
		3188
		3189	cf::override;
		3190	},
2069	);	3191	);
2070		3192
2071	=item $client->async (\&cb)	3193	=item $client->async (\&cb)
2072		3194
2073	Create a new coroutine, running the specified callback. The coroutine will	3195	Create a new coroutine, running the specified callback. The coroutine will
…		…
2089		3211
2090	$coro	3212	$coro
2091	}	3213	}
2092		3214
2093	cf::client->attach (	3215	cf::client->attach (
2094	on_destroy => sub {	3216	on_client_destroy => sub {
2095	my ($ns) = @_;	3217	my ($ns) = @_;
2096		3218
2097	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2098	},	3220	},
2099	);	3221	);
…		…
2114	our $safe = new Safe "safe";	3236	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
2116		3238
2117	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
2118		3240
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3241	$safe->permit_only (Opcode::opset qw(
		3242	:base_core :base_mem :base_orig :base_math :base_loop
		3243	grepstart grepwhile mapstart mapwhile
		3244	sort time
		3245	));
2120		3246
2121	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
2122		3248
2123	=pod	3249	=pod
2124		3250
2125	The following functions and methods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
2126		3252
2127	cf::object contr pay_amount pay_player map	3253	cf::object
		3254	contr pay_amount pay_player map x y force_find force_add destroy
		3255	insert remove name archname title slaying race decrease split
		3256	value
		3257
2128	cf::object::player player	3258	cf::object::player
2129	cf::player peaceful	3259	player
2130	cf::map trigger	3260
		3261	cf::player
		3262	peaceful
		3263
		3264	cf::map
		3265	trigger
2131		3266
2132	=cut	3267	=cut
2133		3268
2134	for (	3269	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3270	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3271	insert remove inv nrof name archname title slaying race
		3272	decrease split destroy change_exp value msg lore send_msg)],
2136	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
2138	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
2139	) {	3276	) {
2140	no strict 'refs';
2141	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
2142	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2143	for @funs;	3279	for @funs;
2144	}	3280	}
2145		3281
…		…
2160		3296
2161	my $qcode = $code;	3297	my $qcode = $code;
2162	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2163	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
2164		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
2165	local $_;	3304	local $_;
2166	local @safe::cf::_safe_eval_args = values %vars;
2167		3305
2168	my $eval =	3306	my $eval =
2169	"do {\n"	3307	"do {\n"
2170	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2171	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
2172	. $code	3310	. $code
2173	. "\n}"	3311	. "\n}"
2174	;	3312	;
2175		3313
		3314	if ($CFG{safe_eval}) {
2176	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
2177	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2178	sub_generation_inc;	3318	sub_generation_inc;
		3319	} else {
		3320	local @cf::_safe_eval_args = values %vars;
		3321	@res = wantarray ? eval eval : scalar eval $eval;
		3322	}
2179		3323
2180	if ($@) {	3324	if ($@) {
2181	warn "$@";	3325	warn "$@",
2182	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
2183	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
2184	}	3328	}
2185		3329
2186	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
2187	}	3331	}
2188		3332
…		…
2202	=cut	3346	=cut
2203		3347
2204	sub register_script_function {	3348	sub register_script_function {
2205	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
2206		3350
2207	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
2208	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
2209	}	3353	}
2210		3354
2211	=back	3355	=back
2212		3356
2213	=cut	3357	=cut
2214
2215	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286		3358
2287	#############################################################################	3359	#############################################################################
2288	# the server's init and main functions	3360	# the server's init and main functions
2289		3361
		3362	# async inc loader. yay.
		3363	sub inc_loader {
		3364	my $mod = $_[1];
		3365
		3366	if (in_main && !tick_inhibit) {
		3367	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3368	} else {
		3369	debug "loading perl module $mod\n";
		3370	}
		3371
		3372	# 1. find real file
		3373	for my $dir (@ORIG_INC) {
		3374	ref $dir and next;
		3375	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3376	or next;
		3377
		3378	$data = "#line 1 $dir/$mod\n$data";
		3379
		3380	open my $fh, "<", \$data or die;
		3381
		3382	return $fh;
		3383	}
		3384
		3385	()
		3386	}
		3387
		3388	sub init_inc {
		3389	# save original @INC
		3390	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3391
		3392	# make sure we can do scalar-opens
		3393	open my $dummy, "<", \my $dummy2;
		3394
		3395	# execute some stuff so perl load's some of the core modules
		3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
		3398
		3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3400
		3401	debug "module loading will be asynchronous from this point on.";
		3402	}
		3403
2290	sub load_facedata {	3404	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3405	my ($path) = @_;
2292		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2293	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2294		3414
2295	my $faces;	3415	my $facedata;
2296	0 < aio_load $path, $faces	3416	0 < aio_load $path, $facedata
2297	or die "$path: $!";	3417	or die "$path: $!";
2298		3418
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3419	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3420
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3421	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
		3433	{
		3434	my $faces = $facedata->{faceinfo};
		3435
2307	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3438
		3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2312	Coro::cede;
2313	}
2314		3443
		3444	cf::cede_to_tick;
		3445	}
		3446
2315	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2317	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
		3451	or next;
		3452
		3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
		3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3456	} else {
		3457	error "smooth face '$info->{smooth}' not found for face '$face'";
		3458	}
		3459
		3460	cf::cede_to_tick;
		3461	}
		3462	}
		3463
		3464	{
		3465	my $anims = $facedata->{animinfo};
		3466
		3467	while (my ($anim, $info) = each %$anims) {
		3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3469	cf::cede_to_tick;
		3470	}
		3471
		3472	cf::anim::invalidate_all; # d'oh
		3473	}
		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
		3494	1
		3495	}
		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
		3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
		3520	load_resource_file "$MAPDIR/regions"
		3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
		3527	}
		3528
		3529	sub reload_facedata {
		3530	load_facedata "$DATADIR/facedata"
		3531	or die "unable to load facedata\n";
		3532	}
		3533
		3534	sub reload_archetypes {
		3535	load_resource_file "$DATADIR/archetypes"
		3536	or die "unable to load archetypes\n";
		3537	}
		3538
		3539	sub reload_treasures {
		3540	load_resource_file "$DATADIR/treasures"
		3541	or die "unable to load treasurelists\n";
		3542	}
		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
2318	or next;	3554	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;
2321	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}
2324	Coro::cede;
2325	}
2326		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2327	1	3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
2328	}	3565	}
2329		3566
2330	sub reload_resources {	3567	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3568	trace "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3569
2333	load_facedata	3570	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3571	reload_sound;
2335	}	3572	reload_archetypes;
2336
2337	sub init {
2338	reload_resources;	3573	reload_regions;
2339	}	3574	reload_treasures;
2340		3575
2341	sub cfg_load {	3576	trace "finished reloading resource files\n";
		3577	}
		3578
		3579	sub reload_config {
		3580	trace "reloading config file...\n";
		3581
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3583	or return;
2344		3584
2345	local $/;	3585	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
2347		3587
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2349		3589
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3590	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3591	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2352		3592
2353	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
2355	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2356	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
2357	};	3597	};
2358	warn $@ if $@;	3598	warn $@ if $@;
2359	}	3599	}
		3600
		3601	trace "finished reloading resource files\n";
		3602	}
		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
2360	}	3630	}
2361		3631
2362	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2363	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3645	(async {
2367	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2369	};	3649	};
2370		3650
2371	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	init_inc;
		3655
		3656	cf::init_experience;
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662	cf::load_materials;
		3663
		3664	reload_resources;
		3665	reload_config;
2372	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2373	load_extensions;	3676	load_extensions;
2374		3677
2375	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2376	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	(pop @POST_INIT)->(0) while @POST_INIT;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2377	}	3696	}
2378		3697
2379	#############################################################################	3698	#############################################################################
2380	# initialisation and cleanup	3699	# initialisation and cleanup
2381		3700
2382	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2383	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2392	},
2393	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2394	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2395	}	3797	}
2396		3798
2397	sub emergency_save() {	3799	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2399		3801
2400	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2401		3808
2402	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2403	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2404	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2405	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2407	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3820	$pl->save;
2411	}	3821	}
2412	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2413		3823
2414	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2415	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2416	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2417	$map->valid or next;	3829	$map->valid or next;
2418	$map->save;	3830	$map->save;
2419	}	3831	}
2420	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2421		3833
2422	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2425	};	3862	};
2426		3863
2427	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2428	}	3865	}
2429		3866
2430	sub post_cleanup {	3867	sub post_cleanup {
2431	my ($make_core) = @_;	3868	my ($make_core) = @_;
2432		3869
		3870	IO::AIO::flush;
		3871
2433	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3873	if $make_core;
2435	}
2436		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
		3902	}
		3903
2437	sub reload() {	3904	sub do_reload_perl() {
2438	# can/must only be called in main	3905	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
2440	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2441	return;	3908	return;
2442	}	3909	}
2443		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
2444	warn "reloading...";	3916	info "reloading...";
2445		3917
2446	warn "entering sync_job";	3918	trace "entering sync_job";
2447		3919
2448	cf::sync_job {	3920	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark
2450	cf::emergency_save;	3921	cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark
2452		3922
2453	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;
2455
2456	# if anything goes wrong in here, we should simply crash as we already saved
2457
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462
2463	warn "flushing outstanding aio requests";
2464	for (;;) {
2465	BDB::flush;
2466	IO::AIO::flush;
2467	Coro::cede;
2468	last unless IO::AIO::nreqs || BDB::nreqs;
2469	warn "iterate...";
2470	}
2471
2472	++$RELOAD;
2473
2474	warn "cancelling all extension coros";	3923	trace "cancelling all extension coros";
2475	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2476	%EXT_CORO = ();	3925	%EXT_CORO = ();
2477		3926
2478	warn "removing commands";	3927	trace "removing commands";
2479	%COMMAND = ();	3928	%COMMAND = ();
2480		3929
2481	warn "removing ext commands";	3930	trace "removing ext/exti commands";
2482	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2483		3933
2484	warn "unloading/nuking all extensions";	3934	trace "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2487		3937
2488	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2489	eval {	3939	eval {
2490	$cb->($pkg);	3940	$cb->($pkg);
2491	1	3941	1
2492	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2493	}	3947	}
2494		3948
2495	warn "... nuking $pkg";
2496	Symbol::delete_package $pkg;
2497	}
2498
2499	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "unloading all perl modules loaded from $LIBDIR";
2500	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502		3952
2503	warn "... unloading $k";	3953	trace "... unloading $k";
2504	delete $INC{$k};	3954	delete $INC{$k};
2505		3955
2506	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2507	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2508		3958
2509	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2510	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2511	}	3964	}
2512		3965
2513	Symbol::delete_package $k;
2514	}
2515
2516	warn "getting rid of safe::, as good as possible";	3966	trace "getting rid of safe::, as good as possible";
2517	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3969
2520	warn "unloading cf.pm \"a bit\"";	3970	trace "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
		3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2522		3973
2523	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3975	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2526		3977
2527	warn "unload completed, starting to reload now";	3978	info "unload completed, starting to reload now";
2528		3979
2529	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
2530	require cf;	3981	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2532		3983
2533	warn "loading config and database again";	3984	trace "loading config and database again";
2534	cf::cfg_load;	3985	cf::reload_config;
2535		3986
2536	warn "loading extensions";	3987	trace "loading extensions";
2537	cf::load_extensions;	3988	cf::load_extensions;
2538		3989
		3990	if ($REATTACH_ON_RELOAD) {
2539	warn "reattaching attachments to objects/players";	3991	trace "reattaching attachments to objects/players";
2540	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
2541	warn "reattaching attachments to maps";	3993	trace "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3995	trace "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
2545		3998
2546	warn "loading reloadable resources";	3999	trace "running post_init jobs";
2547	reload_resources;	4000	(pop @POST_INIT)->(1) while @POST_INIT;
2548		4001
2549	warn "leaving sync_job";	4002	trace "leaving sync_job";
2550		4003
2551	1	4004	1
2552	} or do {	4005	} or do {
2553	warn $@;	4006	error $@;
2554	warn "error while reloading, exiting.";	4007	cf::cleanup "error while reloading, exiting.";
2555	exit 1;	4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
		4012	}
		4013
		4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
		4016	};
		4017
		4018	our $RELOAD_WATCHER; # used only during reload
		4019
		4020	sub reload_perl() {
		4021	# doing reload synchronously and two reloads happen back-to-back,
		4022	# coro crashes during coro_state_free->destroy here.
		4023
		4024	$RELOAD_WATCHER ||= cf::async {
		4025	Coro::AIO::aio_wait cache_extensions;
		4026
		4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4028	do_reload_perl;
		4029	undef $RELOAD_WATCHER;
		4030	};
2556	};	4031	};
2557		4032	}
2558	warn "reloaded";
2559	};
2560
2561	our $RELOAD_WATCHER; # used only during reload
2562		4033
2563	register_command "reload" => sub {	4034	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
2565		4036
2566	if ($who->flag (FLAG_WIZ)) {	4037	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	4038	$who->message ("reloading server.");
2568		4039	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	4040	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	4041	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	4042	};
2581	}	4043	}
2582	};	4044	};
2583		4045
2584	unshift @INC, $LIBDIR;	4046	#############################################################################
2585		4047
2586	my $bug_warning = 0;	4048	my $bug_warning = 0;
2587		4049
2588	$TICK_WATCHER = Event->timer (	4050	our @WAIT_FOR_TICK;
2589	reentrant => 0,	4051	our @WAIT_FOR_TICK_BEGIN;
2590	parked => 1,	4052
2591	prio => 0,	4053	sub wait_for_tick {
2592	at => $NEXT_TICK || $TICK,	4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2593	data => WF_AUTOCANCEL,	4055
2594	cb => sub {	4056	my $signal = new Coro::Signal;
		4057	push @WAIT_FOR_TICK, $signal;
		4058	$signal->wait;
		4059	}
		4060
		4061	sub wait_for_tick_begin {
		4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4063
		4064	my $signal = new Coro::Signal;
		4065	push @WAIT_FOR_TICK_BEGIN, $signal;
		4066	$signal->wait;
		4067	}
		4068
		4069	sub tick {
2595	if ($Coro::current != $Coro::main) {	4070	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4071	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	4072	unless ++$bug_warning > 10;
2598	return;	4073	return;
2599	}	4074	}
2600		4075
2601	$NOW = Event::time;
2602
2603	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		4077
		4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4079
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	4082	Coro::async_pool {
		4083	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	4084	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	4085	or error "ERROR: unable to write runtime file: $!";
2612	};
2613	}	4086	};
2614
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620
2621	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2623
2624	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;
2626	},	4087	}
2627	);	4088
		4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4090	$sig->send;
		4091	}
		4092	while (my $sig = shift @WAIT_FOR_TICK) {
		4093	$sig->send;
		4094	}
		4095
		4096	$LOAD = ($NOW - $TICK_START) / $TICK;
		4097	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4098
		4099	if (0) {
		4100	if ($NEXT_TICK) {
		4101	my $jitter = $TICK_START - $NEXT_TICK;
		4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4103	debug "jitter $JITTER\n";#d#
		4104	}
		4105	}
		4106	}
2628		4107
2629	{	4108	{
2630	BDB::max_poll_time $TICK * 0.1;	4109	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	4110
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	4111	BDB::min_parallel 16;
2640		4112	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	4113	$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		4114
2656	unless ($DB_ENV) {	4115	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	4116	$DB_ENV = BDB::db_env_create;
		4117	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4118	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4119	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4120	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4121	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		4122
2659	cf::sync_job {	4123	cf::sync_job {
2660	eval {	4124	eval {
2661	BDB::db_env_open	4125	BDB::db_env_open
2662	$DB_ENV,	4126	$DB_ENV,
2663	$BDB_ENV_DIR,	4127	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4128	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4129	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	4130	0666;
2667		4131
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4132	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	4133	};
2673		4134
2674	cf::cleanup "db_env_open(db): $@" if $@;	4135	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	4136	};
2676	}	4137	}
		4138
		4139	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4140	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4141	};
		4142	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4143	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4144	};
		4145	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4146	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4147	};
2677	}	4148	}
2678		4149
2679	{	4150	{
		4151	# configure IO::AIO
		4152
2680	IO::AIO::min_parallel 8;	4153	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	4154	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	4155	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	4156	}
		4157
		4158	my $_log_backtrace;
		4159
		4160	sub _log_backtrace {
		4161	my ($msg, @addr) = @_;
		4162
		4163	$msg =~ s/\n//;
		4164
		4165	# limit the # of concurrent backtraces
		4166	if ($_log_backtrace < 2) {
		4167	++$_log_backtrace;
		4168	my $perl_bt = Carp::longmess $msg;
		4169	async {
		4170	$Coro::current->{desc} = "abt $msg";
		4171
		4172	my @bt = fork_call {
		4173	@addr = map { sprintf "%x", $_ } @addr;
		4174	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4175	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4176	or die "addr2line: $!";
		4177
		4178	my @funcs;
		4179	my @res = <$fh>;
		4180	chomp for @res;
		4181	while (@res) {
		4182	my ($func, $line) = splice @res, 0, 2, ();
		4183	push @funcs, "[$func] $line";
		4184	}
		4185
		4186	@funcs
		4187	};
		4188
		4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4191	LOG llevInfo, "[ABT] $_\n" for @bt;
		4192	--$_log_backtrace;
		4193	};
		4194	} else {
		4195	LOG llevInfo, "[ABT] $msg\n";
		4196	LOG llevInfo, "[ABT] [suppressed]\n";
		4197	}
		4198	}
		4199
		4200	# load additional modules
		4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
2693		4203
2694	END { cf::emergency_save }	4204	END { cf::emergency_save }
2695		4205
2696	1	4206	1
2697		4207

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