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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.249 by root, Wed Apr 18 12:43:54 2007 UTC vs.
Revision 1.538 by root, Tue May 4 21:45:43 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.61 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
21	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
22		54
		55	use JSON::XS 2.01 ();
23	use BDB ();	56	use BDB ();
24	use Data::Dumper;	57	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	58	use Fcntl;
27	use YAML::Syck ();	59	use YAML::XS ();
28	use IO::AIO 2.32 ();	60	use IO::AIO ();
29	use Time::HiRes;	61	use Time::HiRes;
30	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
31		66
32	# configure various modules to our taste	67	# configure various modules to our taste
33	#	68	#
34	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		77
38	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
39		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		80
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		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;
58		118
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	121	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
69		130
70	our %CFG;	131	our %CFG;
71		132
72	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
74		136
75	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		140
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $REALLY_UNLOOP; # never set to true, please :)
		153
84	binmode STDOUT;	154	binmode STDOUT;
85	binmode STDERR;	155	binmode STDERR;
86		156
87	# read virtual server time, if available	157	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
92	}	162	}
93		163
94	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	165
96	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		168
101	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
102		170
103	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::"} };
104		187
105	#############################################################################	188	#############################################################################
106		189
107	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
108		191
…		…
115	=item $cf::RUNTIME	198	=item $cf::RUNTIME
116		199
117	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
118	every server tick.	201	every server tick.
119		202
120	=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
121		206
122	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		211
125	=item $cf::NOW	212	=item $cf::NOW
126		213
127	The time of the last (current) server tick.	214	The time of the last (current) server tick.
128		215
129	=item $cf::TICK	216	=item $cf::TICK
130		217
131	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	230	=item %cf::CFG
134		231
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	233	from wherever your confdir points to.
137		234
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		236
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		252
144	=back	253	=back
145		254
146	=cut	255	=cut
147		256
148	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
149	*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 {
150	my $msg = join "", @_;	264	my $msg = join "", @_;
151	utf8::encode $msg;
152		265
153	$msg .= "\n"	266	$msg .= "\n"
154	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
155		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
156	LOG llevError, $msg;	271	LOG llevWarn, $msg;
157	};	272	};
158	}	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	};
159		287
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		295
167	# 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
168	# within the Safe compartment.	297	# within the Safe compartment.
169	for my $pkg (qw(	298	for my $pkg (qw(
170	cf::global cf::attachable	299	cf::global cf::attachable
171	cf::object cf::object::player	300	cf::object cf::object::player
172	cf::client cf::player	301	cf::client cf::player
173	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
174	cf::map cf::party cf::region	304	cf::party cf::region
175	)) {	305	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	307	}
179		308
180	$Event::DIED = sub {	309	$EV::DIED = sub {
181	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
182	};	311	};
		312
		313	#############################################################################
183		314
184	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
185		316
186	=over 4	317	=over 4
187		318
…		…
206	$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;
207	$d	338	$d
208	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
209	}	340	}
210		341
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
214		343
215	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
216		345
217	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
218		347
219	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
220		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
221	=item cf::lock_wait $string	371	=item cf::lock_wait $string
222		372
223	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
224		374
225	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
226		376
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
230	returned.	380	returned.
231		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
232	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
233	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
234		387
235	=cut	388	=item $locked = cf::lock_active $string
236		389
237	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
238		395
239	sub lock_wait($) {	396	sub lock_wait($) {
240	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	398	}
248		399
249	sub lock_acquire($) {	400	sub lock_acquire($) {
250	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
251		403
252	# wait, to be sure we are not locked	404	sub lock_active($) {
253	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	406	}
262		407
263	sub freeze_mainloop {	408	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
265		410
266	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
267	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
268	};	478	}
269	$TICK_WATCHER->stop;	479	};
270	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
271	}	494	}
272		495
273	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
274		497
275	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		503
281	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
282		505
283	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
284		507
285	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
288		512
289	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
292	fast or be very important.	516	fast or be very important.
…		…
294	=cut	518	=cut
295		519
296	sub sync_job(&) {	520	sub sync_job(&) {
297	my ($job) = @_;	521	my ($job) = @_;
298		522
299	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
300	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
302		528
303	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	530
305	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
306		532
307	my $busy = 1;	533	my $busy = 1;
308	my @res;	534	my @res;
309		535
310	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	538	@res = eval { $job->() };
312	warn $@ if $@;	539	error $@ if $@;
313	undef $busy;	540	undef $busy;
314	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
315		542
316	while ($busy) {	543	while ($busy) {
317	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
318	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
319		554
320	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
321	} else {	556	} else {
322	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
323		558
…		…
343	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
344		579
345	$coro	580	$coro
346	}	581	}
347		582
348	sub write_runtime {	583	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		584
351	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.
352		589
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
354	or return;
355		591
356	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		594
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
361	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
362		598
363	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	600	reset_signals;
365	and return;	601	&$cb
		602	}, @args;
366		603
367	close $fh	604	wantarray ? @res : $res[-1]
368	or return;	605	}
369		606
370	aio_rename "$runtime~", $runtime	607	sub objinfo {
371	and return;
372
373	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"
374	}	772	}
375		773
376	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
377		775
378	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.
379		777
380	=cut	778	=cut
381		779
382	sub datalog($@) {	780	sub datalog($@) {
383	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	783	}
386		784
387	=back	785	=back
388		786
389	=cut	787	=cut
390		788
391	#############################################################################	789	#############################################################################
392		790
393	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
394		792
395	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
396	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")
397	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
398		796
399	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>
400	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
401	crossfire+).	799	Deliantra).
402		800
403	=over 4	801	=over 4
404		802
405	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
406		804
…		…
450	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
451		849
452	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
454		852
455	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
457		855
458	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
459		857
460	=over 4	858	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
570		968
571	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		973
576	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	975	my $pkg = shift @arg;
578		976
579	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
584		982
585	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		985
588	} elsif (ref $type) {	986	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
590		988
591	} else {	989	} else {
592	shift @arg;	990	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
594	}	992	}
595	}	993	}
596	}	994	}
597		995
598	sub _object_attach {	996	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
609	}	1007	}
610		1008
611	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
612	} else {	1010	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1012	}
615		1013
616	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
617	}	1015	}
618		1016
…		…
620	if (ref $_[0]) {	1018	if (ref $_[0]) {
621	_object_attach @_;	1019	_object_attach @_;
622	} else {	1020	} else {
623	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
624	}	1022	}
		1023	_recalc_want;
625	};	1024	};
626		1025
627	# all those should be optimised	1026	# all those should be optimised
628	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1032	reattach ($obj);
634	} else {	1033	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
636	}	1035	}
		1036	_recalc_want;
637	};	1037	};
638		1038
639	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
641		1041
…		…
656	";	1056	";
657	die if $@;	1057	die if $@;
658	}	1058	}
659		1059
660	our $override;	1060	our $override;
661	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?
662		1062
663	sub override {	1063	sub override {
664	$override = 1;	1064	$override = 1;
665	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
666	}	1066	}
667		1067
668	sub do_invoke {	1068	sub do_invoke {
669	my $event = shift;	1069	my $event = shift;
670	my $callbacks = shift;	1070	my $callbacks = shift;
671		1071
672	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
673		1073
674	local $override;	1074	local $override;
675		1075
676	for (@$callbacks) {	1076	for (@$callbacks) {
677	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
678		1078
679	if ($@) {	1079	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1081	override;
683	}	1082	}
684		1083
685	return 1 if $override;	1084	return 1 if $override;
686	}	1085	}
687		1086
688	0	1087	0
689	}	1088	}
690		1089
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1091
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1093
695	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
696		1095
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1099
701	=back	1100	=back
702		1101
703	=cut	1102	=cut
704		1103
705	#############################################################################	1104	#############################################################################
706	# 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, $ob2
		1147	}
707		1148
708	sub reattach {	1149	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1151	my ($obj) = @_;
711		1152
		1153	# no longer needed after getting rid of delete_package?
712	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
713		1155
714	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
715		1157
716	@$registry = ();	1158	@$registry = ();
717		1159
…		…
722	for (@$attach) {	1164	for (@$attach) {
723	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
725	}	1167	}
726	} else {	1168	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1170	}
729	}	1171	}
730	}	1172	}
731		1173
732	cf::attachable->attach (	1174	cf::attachable->attach (
733	prio => -1000000,	1175	prio => -1000000,
734	on_instantiate => sub {	1176	on_instantiate => sub {
735	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
736		1178
737	$data = from_json $data;	1179	$data = decode_json $data;
738		1180
739	for (@$data) {	1181	for (@$data) {
740	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
741		1183
742	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1200	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
760		1202
761	sync_job {	1203	sync_job {
762	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
765		1209
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1217	aio_close $fh;
771		1218
772	if (@$objs) {	1219	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1228	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
780	}	1230	}
781	} else {	1231	} else {
782	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
783	}	1233	}
784		1234
785	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1239	} else {
787	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
788	}	1241	}
789	} else {	1242	} else {
790	aio_unlink $filename;	1243	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
792	}	1245	}
793	}	1246	};
794	}	1247	}
795		1248
796	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
798		1251
…		…
810	or return;	1263	or return;
811		1264
812	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
814	or return;	1267	or return;
		1268
815	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
816	}	1271	}
817		1272
		1273	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
820	return ($data, $av);	1278	($data, $av)
821	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
822		1286
823	#############################################################################	1287	#############################################################################
824	# command handling &c	1288	# command handling &c
825		1289
826	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1304	}
841		1305
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1307
844	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.
845		1313
846	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
847	called.	1315	called.
848		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
849	=cut	1328	=cut
850		1329
851	sub register_extcmd {	1330	sub register_extcmd {
852	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
853		1332
854	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
855	}	1334	}
856		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
857	cf::player->attach (	1344	cf::player->attach (
858	on_command => sub {	1345	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
860		1347
861	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
862	or return;	1349	or return;
863		1350
…		…
868	cf::override;	1355	cf::override;
869	},	1356	},
870	on_extcmd => sub {	1357	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
872		1359
873	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1361
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
881	} else {	1377	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1379	}
884		1380
885	cf::override;	1381	cf::override;
886	},	1382	},
887	);	1383	);
888		1384
		1385	# "readahead" all extensions
889	sub load_extension {	1386	sub cache_extensions {
890	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
891		1388
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1392	}
917	die $@;
918	}	1393	};
919		1394
920	push @EXTS, $pkg;	1395	$grp
921	}	1396	}
922		1397
923	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
924	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1405	next unless -r $path;
926	eval {	1406
927	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
928	1	1471	}
929	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
930	}	1482	};
931	}	1483	}
932		1484
933	#############################################################################	1485	#############################################################################
934		1486
		1487	=back
		1488
935	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
936		1490
937	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
938		1492
939	=cut	1493	=cut
940		1494
941	package cf::player;	1495	package cf::player;
942		1496
…		…
944		1498
945	=head3 cf::player	1499	=head3 cf::player
946		1500
947	=over 4	1501	=over 4
948		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
		1516
949	=item cf::player::find $login	1517	=item cf::player::find $login
950		1518
951	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
952		1520
953	=cut	1521	=cut
954		1522
955	sub playerdir($) {	1523	sub playerdir($) {
956	cf::localdir	1524	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1526	}
962		1527
963	sub path($) {	1528	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1539
975	sub exists($) {	1540	sub exists($) {
976	my ($login) = @_;	1541	my ($login) = @_;
977		1542
978	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
980	}	1545	}
981		1546
982	sub find($) {	1547	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1549	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
995		1560
996	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
997	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
999	}	1570	}
1000	}	1571	}
1001	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1002		1586
1003	sub save($) {	1587	sub save($) {
1004	my ($pl) = @_;	1588	my ($pl) = @_;
1005		1589
1006	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1012		1596
1013	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1015		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1016	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1017	Coro::cede;	1606	cf::cede_to_tick;
1018	}	1607	}
1019		1608
1020	sub new($) {	1609	sub new($) {
1021	my ($login) = @_;	1610	my ($login) = @_;
1022		1611
…		…
1028	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1029		1618
1030	$self	1619	$self
1031	}	1620	}
1032		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1033	=item $pl->quit_character	1632	=item $pl->quit_character
1034		1633
1035	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1037		1636
…		…
1041	my ($pl) = @_;	1640	my ($pl) = @_;
1042		1641
1043	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1044		1643
1045	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1646
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1052		1652
1053	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1085		1685
1086	=cut	1686	=cut
1087		1687
1088	sub list_logins {	1688	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1690	or return [];
1091		1691
1092	my @logins;	1692	my @logins;
1093		1693
1094	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1098		1704
1099	utf8::decode $login;	1705	utf8::decode $login;
1100	push @logins, $login;	1706	push @logins, $login;
1101	}	1707	}
1102		1708
1103	\@logins	1709	\@logins
1104	}	1710	}
1105		1711
1106	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1107		1715
1108	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1109	player. May block.	1717	player. May block.
1110		1718
1111	=cut	1719	=cut
…		…
1129	}	1737	}
1130		1738
1131	\@paths	1739	\@paths
1132	}	1740	}
1133		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1134	=item $player->ext_reply ($msgid, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1135		1747
1136	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1137		1749
1138	=cut	1750	=cut
1139		1751
1140	sub ext_reply($$%) {	1752	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1142		1754
1143	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1756	}
1147		1757
1148	=item $player->ext_event ($type, %msg)	1758	=item $player->ext_msg ($type, @msg)
1149		1759
1150	Sends an ext event to the client.	1760	Sends an ext event to the client.
1151		1761
1152	=cut	1762	=cut
1153		1763
1154	sub ext_event($$%) {	1764	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1765	my ($self, $type, @msg) = @_;
1156		1766
1157	$self->ns->ext_event ($type, %msg);	1767	$self->ns->ext_msg ($type, @msg);
1158	}	1768	}
1159		1769
1160	=head3 cf::region	1770	=head3 cf::region
1161		1771
1162	=over 4	1772	=over 4
…		…
1165		1775
1166	package cf::region;	1776	package cf::region;
1167		1777
1168	=item cf::region::find_by_path $path	1778	=item cf::region::find_by_path $path
1169		1779
1170	Tries to decuce the probable region for a map knowing only its path.	1780	Tries to decuce the likely region for a map knowing only its path.
1171		1781
1172	=cut	1782	=cut
1173		1783
1174	sub find_by_path($) {	1784	sub find_by_path($) {
1175	my ($path) = @_;	1785	my ($path) = @_;
1176		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
1177	my ($match, $specificity);	1789	my ($match, $specificity);
1178		1790
1179	for my $region (list) {	1791	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1792	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1793	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1794	if $region->specificity > $specificity;
1183	}	1795	}
1184	}	1796	}
1185		1797
…		…
1206	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1208		1820
1209	sub generate_random_map {	1821	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1211	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1827	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1241		1856
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1857	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1858	}
1244		1859
1245	# also paths starting with '/'	1860	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1861	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1862
1248	sub thawer_merge {	1863	sub thawer_merge {
1249	my ($self, $merge) = @_;	1864	my ($self, $merge) = @_;
1250		1865
1251	# we have to keep some variables in memory intact	1866	# we have to keep some variables in memory intact
1252	local $self->{path};	1867	local $self->{path};
1253	local $self->{load_path};	1868	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1869
1257	$self->SUPER::thawer_merge ($merge);	1870	$self->SUPER::thawer_merge ($merge);
1258	}	1871	}
1259		1872
1260	sub normalise {	1873	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1920	$self->init; # pass $1 etc.
1308	return $self;	1921	return $self;
1309	}	1922	}
1310	}	1923	}
1311		1924
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1925	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1926	()
1314	}	1927	}
1315		1928
1316	sub init {	1929	sub init {
1317	my ($self) = @_;	1930	my ($self) = @_;
…		…
1332		1945
1333	# the original (read-only) location	1946	# the original (read-only) location
1334	sub load_path {	1947	sub load_path {
1335	my ($self) = @_;	1948	my ($self) = @_;
1336		1949
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1950	"$MAPDIR/$self->{path}.map"
1338	}	1951	}
1339		1952
1340	# the temporary/swap location	1953	# the temporary/swap location
1341	sub save_path {	1954	sub save_path {
1342	my ($self) = @_;	1955	my ($self) = @_;
1343		1956
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1957	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1958	"$TMPDIR/$path.map"
1346	}	1959	}
1347		1960
1348	# the unique path, undef == no special unique path	1961	# the unique path, undef == no special unique path
1349	sub uniq_path {	1962	sub uniq_path {
1350	my ($self) = @_;	1963	my ($self) = @_;
1351		1964
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1965	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1966	"$UNIQUEDIR/$path"
1354	}	1967	}
1355		1968
1356	# and all this just because we cannot iterate over	1969	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1970	my ($self) = @_;
1360		1971
1361	$_->change_map_light ($change)	1972	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1973
		1974	$self->do_decay_objects;
1363	}	1975	}
1364		1976
1365	sub unlink_save {	1977	sub unlink_save {
1366	my ($self) = @_;	1978	my ($self) = @_;
1367		1979
…		…
1372		1984
1373	sub load_header_from($) {	1985	sub load_header_from($) {
1374	my ($self, $path) = @_;	1986	my ($self, $path) = @_;
1375		1987
1376	utf8::encode $path;	1988	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1989	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1990	or return;
		1991
		1992	$self->_load_header ($f)
		1993	or return;
		1994
		1995	local $MAP_LOADING{$self->{path}} = $self;
		1996	$f->resolve_delayed_derefs;
1382		1997
1383	$self->{load_path} = $path;	1998	$self->{load_path} = $path;
1384		1999
1385	1	2000	1
1386	}	2001	}
…		…
1425	$self->load_header_orig	2040	$self->load_header_orig
1426	or return;	2041	or return;
1427	$self->prepare_orig;	2042	$self->prepare_orig;
1428	}	2043	}
1429		2044
		2045	$self->{deny_reset} = 1
		2046	if $self->no_reset;
		2047
1430	$self->default_region (cf::region::find_by_path $self->{path})	2048	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2049	unless $self->default_region;
1432		2050
1433	1	2051	1
1434	}	2052	}
…		…
1437	sub find {	2055	sub find {
1438	my ($path, $origin) = @_;	2056	my ($path, $origin) = @_;
1439		2057
1440	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1441		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2062
1444	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1447	or return;	2065	or return;
1448		2066
1449	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1450		2068
1451	$map->load_header	2069	$map->load_header
1452	or return;	2070	or return;
1453		2071
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1457	$map->reset;	2077	$map->reset;
1458	undef $guard;
1459	return find $path;	2078	return find $path;
1460	}	2079	}
1461		2080
1462	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1463	}	2082	}
1464	}	2083	}
1465		2084
1466	sub pre_load { }	2085	sub pre_load { }
1467	sub post_load { }	2086	#sub post_load { } # XS
1468		2087
1469	sub load {	2088	sub load {
1470	my ($self) = @_;	2089	my ($self) = @_;
1471		2090
1472	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1473		2092
1474	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1476		2097
		2098	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2100
1479	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1480		2102
1481	$self->alloc;	2103	$self->alloc;
1482		2104
1483	$self->pre_load;	2105	$self->pre_load;
1484	Coro::cede;	2106	cf::cede_to_tick;
1485		2107
1486	$self->_load_objects ($self->{load_path}, 1)	2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
		2110	$self->_load_objects ($f)
1487	or return;	2111	or return;
1488		2112
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1490	if delete $self->{load_original};	2114	if delete $self->{load_original};
1491		2115
1492	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2117	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2120	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1497	}	2124	}
1498	}	2125	}
1499		2126
1500	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1501	# now do the right thing for maps	2130	# now do the right thing for maps
1502	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2133	unless $self->difficulty;
1513	Coro::cede;	2134	cf::cede_to_tick;
		2135
		2136	unless ($self->{deny_activate}) {
		2137	$self->decay_objects;
		2138	$self->fix_auto_apply;
		2139	$self->update_buttons;
		2140	cf::cede_to_tick;
1514	$self->activate;	2141	$self->activate;
1515	Coro::cede;	2142	}
		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
		2147	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2148	}
1517		2149
1518	$self->post_load;	2150	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2151	}
1523		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2156	sub customise_for {
1525	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1526		2158
1527	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2160	if $self->per_player;
1529		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1530	$self	2165	$self
1531	}	2166	}
1532		2167
1533	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2169	sub load_neighbours {
1535	my ($map) = @_;	2170	my ($map) = @_;
1536		2171
1537	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1538		2173
1539	for (0 .. 3) {	2174	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1541	or next;	2176	or next;
1542	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1543	or next;	2178	or next;
1544	$neigh->load;	2179	$neigh->load;
1545		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2185	}
1549		2186
1550	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1552	or next;	2190	or next;
1553	$neigh->load;	2191	$neigh->load;
1554	}	2192	}
1555	}	2193	}
1556		2194
1557	sub find_sync {	2195	sub find_sync {
1558	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1559		2197
1560	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1561	}	2202	}
1562		2203
1563	sub do_load_sync {	2204	sub do_load_sync {
1564	my ($map) = @_;	2205	my ($map) = @_;
1565		2206
1566	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1567	}	2211	}
1568		2212
1569	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1571		2215
1572	sub find_async {	2216	sub find_async {
1573	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1574		2218
1575	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1576		2220
1577	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2223	}
1580		2224
1581	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1582	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1583	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2232	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2233	$map->load if $v;
		2234	}
1588		2235
1589	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1590	}	2237	}
1591	}	2238	}
1592	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1593	};	2240	};
1594	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1595		2242
1596	()	2243	()
1597	}	2244	}
1598		2245
		2246	# common code, used by both ->save and ->swapout
1599	sub save {	2247	sub _save {
1600	my ($self) = @_;	2248	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2249
1604	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1605		2251
1606	return unless $self->dirty;	2252	return unless $self->dirty;
1607		2253
…		…
1613	return if $self->{deny_save};	2259	return if $self->{deny_save};
1614		2260
1615	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1616		2262
1617	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1619	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1620		2269
1621	if ($uniq) {	2270	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2273	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2275	}
1627	}	2276	}
1628		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1629	sub swap_out {	2286	sub swap_out {
1630	my ($self) = @_;	2287	my ($self) = @_;
1631		2288
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1637	return if $self->players;	2293	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1641	$self->clear;	2304	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2305	}
1644		2306
1645	sub reset_at {	2307	sub reset_at {
1646	my ($self) = @_;	2308	my ($self) = @_;
1647		2309
1648	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1651		2312
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2315
…		…
1665	my ($self) = @_;	2326	my ($self) = @_;
1666		2327
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2329
1669	return if $self->players;	2330	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2331
1672	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
1673		2333
1674	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1675		2335
1676	# need to save uniques path	2336	# need to save uniques path
1677	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2341	if $uniq;
1682	}	2342	}
1683		2343
1684	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1685		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2348	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2349
1690	$self->unlink_save;	2350	$self->unlink_save;
1691	$self->destroy;	2351	$self->destroy;
1692	}	2352	}
1693		2353
1694	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1695		2355
1696	sub nuke {	2356	sub nuke {
1697	my ($self) = @_;	2357	my ($self) = @_;
1698		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1699	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1700		2363
1701	$self->unlink_save;	2364	$self->unlink_save;
1702		2365
1703	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2371
1709	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1710		2374
1711	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
		2376	}
		2377
		2378	=item $maps = cf::map::tmp_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1712	}	2412	}
1713		2413
1714	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1715		2415
1716	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2417	instantiated unique items. May block.
1718		2418
1719	=cut	2419	=cut
1720		2420
1721	sub unique_maps() {	2421	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1723	or return;	2423	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2424	utf8::decode $_;
1729	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2427	? ()
1732	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2430	]
1734
1735	\@paths
1736	}	2431	}
1737		2432
1738	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1739		2464
1740	=back	2465	=back
1741		2466
1742	=head3 cf::object	2467	=head3 cf::object
1743		2468
…		…
1747		2472
1748	=over 4	2473	=over 4
1749		2474
1750	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1751		2476
1752	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1753		2479
1754	=cut	2480	=cut
1755		2481
1756	sub inv_recursive_;	2482	sub inv_recursive_;
1757	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1760		2486
1761	sub inv_recursive {	2487	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1763	}	2489	}
1764		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1765	package cf;	2519	package cf;
1766		2520
1767	=back	2521	=back
1768		2522
1769	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1778		2532
1779	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1780		2548
1781	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2550	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1786		2554
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2556
1789	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1791	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1794	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1795	}	2582	}
1796		2583
1797	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1798		2585
1799	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1812		2599
1813	=item $player_object->enter_link	2600	=item $player_object->enter_link
1814		2601
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2603
1817	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1819		2608
1820	Will never block.	2609	Will never block.
1821		2610
1822	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1823		2612
…		…
1843	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2633	my ($self) = @_;
1845		2634
1846	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1847		2636
		2637	++$self->{_link_recursion};
		2638
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2640
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1852		2643
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2645	}
1855		2646
1856	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1858		2651
1859	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1860		2653
1861	unless ($map) {	2654	unless ($map) {
1862	# restore original map position	2655	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1875		2668
1876	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1879		2672
1880	$map->load;	2673	$map->load;
1881	$map->load_diag;	2674	$map->load_neighbours;
1882		2675
1883	return unless $self->contr->active;	2676	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2677
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
1888	}	2680	# entering was successful
1889		2681	delete $self->{_link_recursion};
1890	cf::player->attach (	2682	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2683	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2684	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2685
1904	# try to abort aborted map switching on player login :)	2686	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2687
1922	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1924	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1925		2702
1926	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2714
1929	$self->enter_link;	2715	$self->enter_link;
1930		2716
1931	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
1932	my $map = eval {	2739	my $map = eval {
1933	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
		2745	} else {
		2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
		2748
1935	$map	2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2755	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1940	})->prio (1);	2763	})->prio (1);
1941	}	2764	}
1942		2765
1943	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1944		2767
…		…
1964	}	2787	}
1965		2788
1966	sub prepare_random_map {	2789	sub prepare_random_map {
1967	my ($exit) = @_;	2790	my ($exit) = @_;
1968		2791
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2794	# that depends on the exit object
1974		2795
1975	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2798	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1982	}	2805	}
1983		2806
1984	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1985		2808
1986	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
1989		2812
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2815	undef $fh;
1993	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
1994		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1997	}	2824	}
1998	}	2825	}
1999		2826
2000	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2002		2829
2003	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2004		2831
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2832	$self->enter_link;
2017		2833
2018	(async {	2834	(async {
2019	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2020	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2021	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2022		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2023	1;	2858	1
2024	}) {	2859	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2864
2030	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2866	$self->leave_link;
2032	}	2867	}
2033	})->prio (1);	2868	})->prio (1);
2034	}	2869	}
2035		2870
…		…
2049		2884
2050	utf8::encode $text;	2885	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2887	}
2053		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2054	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2055		3077
2056	Sends an exti event to the client.	3078	Sends an ext event to the client.
2057		3079
2058	=cut	3080	=cut
2059		3081
2060	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2062		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2065	}	3109	}
2066		3110
2067	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2068		3112
2069	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3116
2073	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3118	become reliable at some point in the future.
2075		3119
2076	=cut	3120	=cut
2077		3121
2078	sub cf::client::query {	3122	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3131	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3133
2090	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2092	}	3138	}
2093		3139
2094	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2095	on_reply => sub {	3146	on_reply => sub {
2096	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2097		3148
2098	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2099	# get handled first	3150	# get handled first
…		…
2111	} else {	3162	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3164	}
2114	}	3165	}
2115	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2116	);	3193	);
2117		3194
2118	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2119		3196
2120	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3213
2137	$coro	3214	$coro
2138	}	3215	}
2139		3216
2140	cf::client->attach (	3217	cf::client->attach (
2141	on_destroy => sub {	3218	on_client_destroy => sub {
2142	my ($ns) = @_;	3219	my ($ns) = @_;
2143		3220
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3222	},
2146	);	3223	);
…		…
2161	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2163		3240
2164	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2165		3242
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2167		3248
2168	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2169		3250
2170	=pod	3251	=pod
2171		3252
2172	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2173		3254
2174	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2175	cf::object::player player	3260	cf::object::player
2176	cf::player peaceful	3261	player
2177	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2178		3268
2179	=cut	3269	=cut
2180		3270
2181	for (	3271	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2186	) {	3278	) {
2187	no strict 'refs';	3279	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3280	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3281	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2207		3299
2208	my $qcode = $code;	3300	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3301	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3302	$qcode =~ s/\n/\\n/g;
2211		3303
		3304	%vars = (_dummy => 0) unless %vars;
		3305
		3306	my @res;
2212	local $_;	3307	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3308
2215	my $eval =	3309	my $eval =
2216	"do {\n"	3310	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3311	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3312	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3313	. $code
2220	. "\n}"	3314	. "\n}"
2221	;	3315	;
2222		3316
		3317	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3318	sub_generation_inc;
		3319	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3320	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3321	sub_generation_inc;
		3322	} else {
		3323	local @cf::_safe_eval_args = values %vars;
		3324	@res = wantarray ? eval eval : scalar eval $eval;
		3325	}
2226		3326
2227	if ($@) {	3327	if ($@) {
2228	warn "$@";	3328	warn "$@",
2229	warn "while executing safe code '$code'\n";	3329	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3330	"with arguments " . (join " ", %vars) . "\n";
2231	}	3331	}
2232		3332
2233	wantarray ? @res : $res[0]	3333	wantarray ? @res : $res[0]
2234	}	3334	}
2235		3335
…		…
2249	=cut	3349	=cut
2250		3350
2251	sub register_script_function {	3351	sub register_script_function {
2252	my ($fun, $cb) = @_;	3352	my ($fun, $cb) = @_;
2253		3353
2254	no strict 'refs';	3354	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3355	*$fun = $safe_hole->wrap ($cb);
2256	}	3356	}
2257		3357
2258	=back	3358	=back
2259		3359
2260	=cut	3360	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	=item cf::cache $id => ...
2335
2336	Generic caching function that returns the value of the resource $id,
2337	caching and regenerating as required.
2338
2339	This function can block.
2340
2341	source => filename returning the data (must be a scalar)
2342	expensive => true == try to cache harder
2343	filter => sub that processes the data into a scalar
2344
2345	=cut
2346
2347	sub cache {
2348	my ($id, %arg) = @_;
2349
2350	aio_stat $arg{source}
2351	and Carp::croak "$arg{source}: $!";
2352
2353	my $meta = join ":", (stat _)[7,9];
2354	my $md5;
2355
2356	if ($arg{expensive}) {
2357	0 <= aio_load $arg{source}, my $buf
2358	or Carp::croak "$arg{source}: $!";
2359
2360	$md5 = Digest::MD5::md5_hex $buf;
2361	}
2362
2363	my $dbmeta = db_get "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we need to process
2366	} else {
2367	# just fetch
2368	}
2369
2370
2371	}
2372		3361
2373	#############################################################################	3362	#############################################################################
2374	# the server's init and main functions	3363	# the server's init and main functions
2375		3364
2376	sub load_facedata($) {	3365	sub load_facedata($) {
2377	my ($path) = @_;	3366	my ($path) = @_;
2378		3367
		3368	# HACK to clear player env face cache, we need some signal framework
		3369	# for this (global event?)
		3370	%ext::player_env::MUSIC_FACE_CACHE = ();
		3371
		3372	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3373
2379	warn "loading facedata from $path\n";	3374	trace "loading facedata from $path\n";
2380		3375
2381	my $facedata;	3376	my $facedata;
2382	0 < aio_load $path, $facedata	3377	0 < aio_load $path, $facedata
2383	or die "$path: $!";	3378	or die "$path: $!";
2384		3379
2385	$facedata = Coro::Storable::thaw $facedata;	3380	$facedata = Coro::Storable::thaw $facedata;
2386		3381
2387	$facedata->{version} == 2	3382	$facedata->{version} == 2
2388	or cf::cleanup "$path: version mismatch, cannot proceed.";	3383	or cf::cleanup "$path: version mismatch, cannot proceed.";
2389		3384
		3385	# patch in the exptable
		3386	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3387	$facedata->{resource}{"res/exp_table"} = {
		3388	type => FT_RSRC,
		3389	data => $exp_table,
		3390	hash => (Digest::MD5::md5 $exp_table),
		3391	};
		3392	cf::cede_to_tick;
		3393
2390	{	3394	{
2391	my $faces = $facedata->{faceinfo};	3395	my $faces = $facedata->{faceinfo};
2392		3396
2393	while (my ($face, $info) = each %$faces) {	3397	while (my ($face, $info) = each %$faces) {
2394	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3398	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3399
2395	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3400	cf::face::set_visibility $idx, $info->{visibility};
		3401	cf::face::set_magicmap $idx, $info->{magicmap};
2396	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3402	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2397	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3403	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2398	Coro::cede;	3404
		3405	cf::cede_to_tick;
2399	}	3406	}
2400		3407
2401	while (my ($face, $info) = each %$faces) {	3408	while (my ($face, $info) = each %$faces) {
2402	next unless $info->{smooth};	3409	next unless $info->{smooth};
		3410
2403	my $idx = cf::face::find $face	3411	my $idx = cf::face::find $face
2404	or next;	3412	or next;
		3413
2405	if (my $smooth = cf::face::find $info->{smooth}) {	3414	if (my $smooth = cf::face::find $info->{smooth}) {
		3415	cf::face::set_smooth $idx, $smooth;
2406	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3416	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2407	} else {	3417	} else {
2408	warn "smooth face '$info->{smooth}' not found for face '$face'";	3418	error "smooth face '$info->{smooth}' not found for face '$face'";
2409	}	3419	}
2410	Coro::cede;	3420
		3421	cf::cede_to_tick;
2411	}	3422	}
2412	}	3423	}
2413		3424
2414	{	3425	{
2415	my $anims = $facedata->{animinfo};	3426	my $anims = $facedata->{animinfo};
2416		3427
2417	while (my ($anim, $info) = each %$anims) {	3428	while (my ($anim, $info) = each %$anims) {
2418	cf::anim::set $anim, $info->{frames}, $info->{facings};	3429	cf::anim::set $anim, $info->{frames}, $info->{facings};
2419	Coro::cede;	3430	cf::cede_to_tick;
2420	}	3431	}
2421		3432
2422	cf::anim::invalidate_all; # d'oh	3433	cf::anim::invalidate_all; # d'oh
2423	}	3434	}
2424		3435
		3436	{
		3437	my $res = $facedata->{resource};
		3438
		3439	while (my ($name, $info) = each %$res) {
		3440	if (defined $info->{type}) {
		3441	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3442
		3443	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3444	cf::face::set_type $idx, $info->{type};
		3445	} else {
		3446	$RESOURCE{$name} = $info; # unused
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3454
2425	1	3455	1
2426	}	3456	}
2427		3457
		3458	register_exticmd fx_want => sub {
		3459	my ($ns, $want) = @_;
		3460
		3461	while (my ($k, $v) = each %$want) {
		3462	$ns->fx_want ($k, $v);
		3463	}
		3464	};
		3465
		3466	sub load_resource_file($) {
		3467	my $guard = lock_acquire "load_resource_file";
		3468
		3469	my $status = load_resource_file_ $_[0];
		3470	get_slot 0.1, 100;
		3471	cf::arch::commit_load;
		3472
		3473	$status
		3474	}
		3475
		3476	sub reload_regions {
		3477	# HACK to clear player env face cache, we need some signal framework
		3478	# for this (global event?)
		3479	%ext::player_env::MUSIC_FACE_CACHE = ();
		3480
		3481	load_resource_file "$MAPDIR/regions"
		3482	or die "unable to load regions file\n";
		3483
		3484	for (cf::region::list) {
		3485	$_->{match} = qr/$_->{match}/
		3486	if exists $_->{match};
		3487	}
		3488	}
		3489
2428	sub reload_facedata {	3490	sub reload_facedata {
2429	load_facedata sprintf "%s/facedata", cf::datadir	3491	load_facedata "$DATADIR/facedata"
2430	or die "unable to load facedata\n";	3492	or die "unable to load facedata\n";
2431	}	3493	}
2432		3494
2433	sub reload_regions {
2434	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2435	or die "unable to load regions file\n";
2436	}
2437
2438	sub reload_archetypes {	3495	sub reload_archetypes {
2439	load_resource_file sprintf "%s/archetypes", cf::datadir	3496	load_resource_file "$DATADIR/archetypes"
2440	or die "unable to load archetypes\n";	3497	or die "unable to load archetypes\n";
2441	}	3498	}
2442		3499
2443	sub reload_treasures {	3500	sub reload_treasures {
2444	load_resource_file sprintf "%s/treasures", cf::datadir	3501	load_resource_file "$DATADIR/treasures"
2445	or die "unable to load treasurelists\n";	3502	or die "unable to load treasurelists\n";
2446	}	3503	}
2447		3504
		3505	sub reload_sound {
		3506	trace "loading sound config from $DATADIR/sound\n";
		3507
		3508	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3509	or die "$DATADIR/sound $!";
		3510
		3511	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3512
		3513	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3514	my $sound = $soundconf->{compat}[$_]
		3515	or next;
		3516
		3517	my $face = cf::face::find "sound/$sound->[1]";
		3518	cf::sound::set $sound->[0] => $face;
		3519	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3520	}
		3521
		3522	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3523	my $face = cf::face::find "sound/$v";
		3524	cf::sound::set $k => $face;
		3525	}
		3526	}
		3527
2448	sub reload_resources {	3528	sub reload_resources {
2449	warn "reloading resource files...\n";	3529	trace "reloading resource files...\n";
2450		3530
		3531	reload_facedata;
		3532	reload_sound;
		3533	reload_archetypes;
2451	reload_regions;	3534	reload_regions;
2452	reload_facedata;
2453	reload_archetypes;
2454	reload_treasures;	3535	reload_treasures;
2455		3536
2456	warn "finished reloading resource files\n";	3537	trace "finished reloading resource files\n";
2457	}	3538	}
2458		3539
2459	sub init {	3540	sub reload_config {
2460	reload_resources;	3541	trace "reloading config file...\n";
2461	}
2462		3542
2463	sub cfg_load {
2464	open my $fh, "<:utf8", cf::confdir . "/config"	3543	open my $fh, "<:utf8", "$CONFDIR/config"
2465	or return;	3544	or return;
2466		3545
2467	local $/;	3546	local $/;
2468	*CFG = YAML::Syck::Load <$fh>;	3547	*CFG = YAML::XS::Load scalar <$fh>;
2469		3548
2470	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3549	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2471		3550
2472	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3551	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2473	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3552	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2474		3553
2475	if (exists $CFG{mlockall}) {	3554	if (exists $CFG{mlockall}) {
…		…
2477	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3556	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2478	and die "WARNING: m(un)lockall failed: $!\n";	3557	and die "WARNING: m(un)lockall failed: $!\n";
2479	};	3558	};
2480	warn $@ if $@;	3559	warn $@ if $@;
2481	}	3560	}
		3561
		3562	trace "finished reloading resource files\n";
		3563	}
		3564
		3565	sub pidfile() {
		3566	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3567	or die "$PIDFILE: $!";
		3568	flock $fh, &Fcntl::LOCK_EX
		3569	or die "$PIDFILE: flock: $!";
		3570	$fh
		3571	}
		3572
		3573	# make sure only one server instance is running at any one time
		3574	sub atomic {
		3575	my $fh = pidfile;
		3576
		3577	my $pid = <$fh>;
		3578	kill 9, $pid if $pid > 0;
		3579
		3580	seek $fh, 0, 0;
		3581	print $fh $$;
		3582	}
		3583
		3584	sub main_loop {
		3585	trace "EV::loop starting\n";
		3586	if (1) {
		3587	EV::loop;
		3588	}
		3589	trace "EV::loop returned\n";
		3590	goto &main_loop unless $REALLY_UNLOOP;
2482	}	3591	}
2483		3592
2484	sub main {	3593	sub main {
		3594	cf::init_globals; # initialise logging
		3595
		3596	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3597	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3598	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3599	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3600
		3601	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3602
2485	# we must not ever block the main coroutine	3603	# we must not ever block the main coroutine
2486	local $Coro::idle = sub {	3604	local $Coro::idle = sub {
2487	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3605	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2488	(async {	3606	(async {
2489	Event::one_event;	3607	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3608	EV::loop EV::LOOP_ONESHOT;
2490	})->prio (Coro::PRIO_MAX);	3609	})->prio (Coro::PRIO_MAX);
2491	};	3610	};
2492		3611
2493	cfg_load;	3612	evthread_start IO::AIO::poll_fileno;
		3613
		3614	cf::sync_job {
		3615	cf::init_experience;
		3616	cf::init_anim;
		3617	cf::init_attackmess;
		3618	cf::init_dynamic;
		3619
		3620	cf::load_settings;
		3621	cf::load_materials;
		3622
		3623	reload_resources;
		3624	reload_config;
2494	db_init;	3625	db_init;
		3626
		3627	cf::init_uuid;
		3628	cf::init_signals;
		3629	cf::init_skills;
		3630
		3631	cf::init_beforeplay;
		3632
		3633	atomic;
		3634
2495	load_extensions;	3635	load_extensions;
2496		3636
2497	$TICK_WATCHER->start;	3637	utime time, time, $RUNTIMEFILE;
2498	Event::loop;	3638
		3639	# no (long-running) fork's whatsoever before this point(!)
		3640	use POSIX ();
		3641	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3642
		3643	(pop @POST_INIT)->(0) while @POST_INIT;
		3644	};
		3645
		3646	cf::object::thawer::errors_are_fatal 0;
		3647	info "parse errors in files are no longer fatal from this point on.\n";
		3648
		3649	main_loop;
2499	}	3650	}
2500		3651
2501	#############################################################################	3652	#############################################################################
2502	# initialisation and cleanup	3653	# initialisation and cleanup
2503		3654
2504	# install some emergency cleanup handlers	3655	# install some emergency cleanup handlers
2505	BEGIN {	3656	BEGIN {
		3657	our %SIGWATCHER = ();
2506	for my $signal (qw(INT HUP TERM)) {	3658	for my $signal (qw(INT HUP TERM)) {
2507	Event->signal (	3659	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2508	reentrant => 0,
2509	data => WF_AUTOCANCEL,
2510	signal => $signal,
2511	prio => 0,
2512	cb => sub {
2513	cf::cleanup "SIG$signal";	3660	cf::cleanup "SIG$signal";
2514	},
2515	);	3661	};
		3662	}
		3663	}
		3664
		3665	sub write_runtime_sync {
		3666	my $t0 = AE::time;
		3667
		3668	# first touch the runtime file to show we are still running:
		3669	# the fsync below can take a very very long time.
		3670
		3671	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3672
		3673	my $guard = cf::lock_acquire "write_runtime";
		3674
		3675	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3676	or return;
		3677
		3678	my $value = $cf::RUNTIME + 90 + 10;
		3679	# 10 is the runtime save interval, for a monotonic clock
		3680	# 60 allows for the watchdog to kill the server.
		3681
		3682	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3683	and return;
		3684
		3685	# always fsync - this file is important
		3686	aio_fsync $fh
		3687	and return;
		3688
		3689	# touch it again to show we are up-to-date
		3690	aio_utime $fh, undef, undef;
		3691
		3692	close $fh
		3693	or return;
		3694
		3695	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3696	and return;
		3697
		3698	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3699
2516	}	3700	1
		3701	}
		3702
		3703	our $uuid_lock;
		3704	our $uuid_skip;
		3705
		3706	sub write_uuid_sync($) {
		3707	$uuid_skip ||= $_[0];
		3708
		3709	return if $uuid_lock;
		3710	local $uuid_lock = 1;
		3711
		3712	my $uuid = "$LOCALDIR/uuid";
		3713
		3714	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3715	or return;
		3716
		3717	my $value = uuid_seq uuid_cur;
		3718
		3719	unless ($value) {
		3720	info "cowardly refusing to write zero uuid value!\n";
		3721	return;
		3722	}
		3723
		3724	my $value = uuid_str $value + $uuid_skip;
		3725	$uuid_skip = 0;
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	close $fh
		3735	or return;
		3736
		3737	aio_rename "$uuid~", $uuid
		3738	and return;
		3739
		3740	trace "uuid file written ($value).\n";
		3741
		3742	1
		3743
		3744	}
		3745
		3746	sub write_uuid($$) {
		3747	my ($skip, $sync) = @_;
		3748
		3749	$sync ? write_uuid_sync $skip
		3750	: async { write_uuid_sync $skip };
2517	}	3751	}
2518		3752
2519	sub emergency_save() {	3753	sub emergency_save() {
2520	my $freeze_guard = cf::freeze_mainloop;	3754	my $freeze_guard = cf::freeze_mainloop;
2521		3755
2522	warn "enter emergency perl save\n";	3756	info "emergency_perl_save: enter\n";
		3757
		3758	# this is a trade-off: we want to be very quick here, so
		3759	# save all maps without fsync, and later call a global sync
		3760	# (which in turn might be very very slow)
		3761	local $USE_FSYNC = 0;
2523		3762
2524	cf::sync_job {	3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
		3765
2525	# use a peculiar iteration method to avoid tripping on perl	3766	# use a peculiar iteration method to avoid tripping on perl
2526	# refcount bugs in for. also avoids problems with players	3767	# refcount bugs in for. also avoids problems with players
2527	# and maps saved/destroyed asynchronously.	3768	# and maps saved/destroyed asynchronously.
2528	warn "begin emergency player save\n";	3769	info "emergency_perl_save: begin player save\n";
2529	for my $login (keys %cf::PLAYER) {	3770	for my $login (keys %cf::PLAYER) {
2530	my $pl = $cf::PLAYER{$login} or next;	3771	my $pl = $cf::PLAYER{$login} or next;
2531	$pl->valid or next;	3772	$pl->valid or next;
		3773	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2532	$pl->save;	3774	$pl->save;
2533	}	3775	}
2534	warn "end emergency player save\n";	3776	info "emergency_perl_save: end player save\n";
2535		3777
2536	warn "begin emergency map save\n";	3778	cf::write_runtime_sync; # external watchdog should not bark
		3779
		3780	info "emergency_perl_save: begin map save\n";
2537	for my $path (keys %cf::MAP) {	3781	for my $path (keys %cf::MAP) {
2538	my $map = $cf::MAP{$path} or next;	3782	my $map = $cf::MAP{$path} or next;
2539	$map->valid or next;	3783	$map->valid or next;
2540	$map->save;	3784	$map->save;
2541	}	3785	}
2542	warn "end emergency map save\n";	3786	info "emergency_perl_save: end map save\n";
2543		3787
2544	warn "begin emergency database checkpoint\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin database checkpoint\n";
2545	BDB::db_env_txn_checkpoint $DB_ENV;	3791	BDB::db_env_txn_checkpoint $DB_ENV;
2546	warn "end emergency database checkpoint\n";	3792	info "emergency_perl_save: end database checkpoint\n";
		3793
		3794	info "emergency_perl_save: begin write uuid\n";
		3795	write_uuid_sync 1;
		3796	info "emergency_perl_save: end write uuid\n";
		3797
		3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	trace "emergency_perl_save: syncing database to disk";
		3801	BDB::db_env_txn_checkpoint $DB_ENV;
		3802
		3803	info "emergency_perl_save: starting sync\n";
		3804	IO::AIO::aio_sync sub {
		3805	info "emergency_perl_save: finished sync\n";
		3806	};
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: flushing outstanding aio requests";
		3811	while (IO::AIO::nreqs || BDB::nreqs) {
		3812	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3813	}
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
2547	};	3816	};
2548		3817
2549	warn "leave emergency perl save\n";	3818	info "emergency_perl_save: leave\n";
2550	}	3819	}
2551		3820
2552	sub post_cleanup {	3821	sub post_cleanup {
2553	my ($make_core) = @_;	3822	my ($make_core) = @_;
2554		3823
		3824	IO::AIO::flush;
		3825
2555	warn Carp::longmess "post_cleanup backtrace"	3826	error Carp::longmess "post_cleanup backtrace"
2556	if $make_core;	3827	if $make_core;
		3828
		3829	my $fh = pidfile;
		3830	unlink $PIDFILE if <$fh> == $$;
		3831	}
		3832
		3833	# a safer delete_package, copied from Symbol
		3834	sub clear_package($) {
		3835	my $pkg = shift;
		3836
		3837	# expand to full symbol table name if needed
		3838	unless ($pkg =~ /^main::.*::$/) {
		3839	$pkg = "main$pkg" if $pkg =~ /^::/;
		3840	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3841	$pkg .= '::' unless $pkg =~ /::$/;
		3842	}
		3843
		3844	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3845	my $stem_symtab = *{$stem}{HASH};
		3846
		3847	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3848	or return;
		3849
		3850	# clear all symbols
		3851	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3852	for my $name (keys %$leaf_symtab) {
		3853	_gv_clear *{"$pkg$name"};
		3854	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3855	}
2557	}	3856	}
2558		3857
2559	sub do_reload_perl() {	3858	sub do_reload_perl() {
2560	# can/must only be called in main	3859	# can/must only be called in main
2561	if ($Coro::current != $Coro::main) {	3860	if (in_main) {
2562	warn "can only reload from main coroutine";	3861	error "can only reload from main coroutine";
2563	return;	3862	return;
2564	}	3863	}
2565		3864
		3865	return if $RELOAD++;
		3866
		3867	my $t1 = AE::time;
		3868
		3869	while ($RELOAD) {
2566	warn "reloading...";	3870	info "reloading...";
2567		3871
2568	warn "entering sync_job";	3872	trace "entering sync_job";
2569		3873
2570	cf::sync_job {	3874	cf::sync_job {
2571	cf::write_runtime; # external watchdog should not bark
2572	cf::emergency_save;	3875	cf::emergency_save;
2573	cf::write_runtime; # external watchdog should not bark
2574		3876
2575	warn "syncing database to disk";
2576	BDB::db_env_txn_checkpoint $DB_ENV;
2577
2578	# if anything goes wrong in here, we should simply crash as we already saved
2579
2580	warn "cancelling all WF_AUTOCANCEL watchers";
2581	for (Event::all_watchers) {
2582	$_->cancel if $_->data & WF_AUTOCANCEL;
2583	}
2584
2585	warn "flushing outstanding aio requests";
2586	for (;;) {
2587	BDB::flush;
2588	IO::AIO::flush;
2589	Coro::cede;
2590	last unless IO::AIO::nreqs || BDB::nreqs;
2591	warn "iterate...";
2592	}
2593
2594	++$RELOAD;
2595
2596	warn "cancelling all extension coros";	3877	trace "cancelling all extension coros";
2597	$_->cancel for values %EXT_CORO;	3878	$_->cancel for values %EXT_CORO;
2598	%EXT_CORO = ();	3879	%EXT_CORO = ();
2599		3880
2600	warn "removing commands";	3881	trace "removing commands";
2601	%COMMAND = ();	3882	%COMMAND = ();
2602		3883
2603	warn "removing ext commands";	3884	trace "removing ext/exti commands";
2604	%EXTCMD = ();	3885	%EXTCMD = ();
		3886	%EXTICMD = ();
2605		3887
2606	warn "unloading/nuking all extensions";	3888	trace "unloading/nuking all extensions";
2607	for my $pkg (@EXTS) {	3889	for my $pkg (@EXTS) {
2608	warn "... unloading $pkg";	3890	trace "... unloading $pkg";
2609		3891
2610	if (my $cb = $pkg->can ("unload")) {	3892	if (my $cb = $pkg->can ("unload")) {
2611	eval {	3893	eval {
2612	$cb->($pkg);	3894	$cb->($pkg);
2613	1	3895	1
2614	} or warn "$pkg unloaded, but with errors: $@";	3896	} or error "$pkg unloaded, but with errors: $@";
		3897	}
		3898
		3899	trace "... clearing $pkg";
		3900	clear_package $pkg;
2615	}	3901	}
2616		3902
2617	warn "... nuking $pkg";
2618	Symbol::delete_package $pkg;
2619	}
2620
2621	warn "unloading all perl modules loaded from $LIBDIR";	3903	trace "unloading all perl modules loaded from $LIBDIR";
2622	while (my ($k, $v) = each %INC) {	3904	while (my ($k, $v) = each %INC) {
2623	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3905	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2624		3906
2625	warn "... unloading $k";	3907	trace "... unloading $k";
2626	delete $INC{$k};	3908	delete $INC{$k};
2627		3909
2628	$k =~ s/\.pm$//;	3910	$k =~ s/\.pm$//;
2629	$k =~ s/\//::/g;	3911	$k =~ s/\//::/g;
2630		3912
2631	if (my $cb = $k->can ("unload_module")) {	3913	if (my $cb = $k->can ("unload_module")) {
2632	$cb->();	3914	$cb->();
		3915	}
		3916
		3917	clear_package $k;
2633	}	3918	}
2634		3919
2635	Symbol::delete_package $k;
2636	}
2637
2638	warn "getting rid of safe::, as good as possible";	3920	trace "getting rid of safe::, as good as possible";
2639	Symbol::delete_package "safe::$_"	3921	clear_package "safe::$_"
2640	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3922	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2641		3923
2642	warn "unloading cf.pm \"a bit\"";	3924	trace "unloading cf.pm \"a bit\"";
2643	delete $INC{"cf.pm"};	3925	delete $INC{"cf.pm"};
		3926	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2644		3927
2645	# don't, removes xs symbols, too,	3928	# don't, removes xs symbols, too,
2646	# and global variables created in xs	3929	# and global variables created in xs
2647	#Symbol::delete_package __PACKAGE__;	3930	#clear_package __PACKAGE__;
2648		3931
2649	warn "unload completed, starting to reload now";	3932	info "unload completed, starting to reload now";
2650		3933
2651	warn "reloading cf.pm";	3934	trace "reloading cf.pm";
2652	require cf;	3935	require cf;
2653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3936	cf::_connect_to_perl_1;
2654		3937
2655	warn "loading config and database again";	3938	trace "loading config and database again";
2656	cf::cfg_load;	3939	cf::reload_config;
2657		3940
2658	warn "loading extensions";	3941	trace "loading extensions";
2659	cf::load_extensions;	3942	cf::load_extensions;
2660		3943
		3944	if ($REATTACH_ON_RELOAD) {
2661	warn "reattaching attachments to objects/players";	3945	trace "reattaching attachments to objects/players";
2662	_global_reattach; # objects, sockets	3946	_global_reattach; # objects, sockets
2663	warn "reattaching attachments to maps";	3947	trace "reattaching attachments to maps";
2664	reattach $_ for values %MAP;	3948	reattach $_ for values %MAP;
2665	warn "reattaching attachments to players";	3949	trace "reattaching attachments to players";
2666	reattach $_ for values %PLAYER;	3950	reattach $_ for values %PLAYER;
		3951	}
2667		3952
		3953	trace "running post_init jobs";
		3954	(pop @POST_INIT)->(1) while @POST_INIT;
		3955
2668	warn "leaving sync_job";	3956	trace "leaving sync_job";
2669		3957
2670	1	3958	1
2671	} or do {	3959	} or do {
2672	warn $@;	3960	error $@;
2673	warn "error while reloading, exiting.";	3961	cf::cleanup "error while reloading, exiting.";
2674	exit 1;	3962	};
		3963
		3964	info "reloaded";
		3965	--$RELOAD;
2675	};	3966	}
2676		3967
2677	warn "reloaded";	3968	$t1 = AE::time - $t1;
		3969	info "reload completed in ${t1}s\n";
2678	};	3970	};
2679		3971
2680	our $RELOAD_WATCHER; # used only during reload	3972	our $RELOAD_WATCHER; # used only during reload
2681		3973
2682	sub reload_perl() {	3974	sub reload_perl() {
2683	# doing reload synchronously and two reloads happen back-to-back,	3975	# doing reload synchronously and two reloads happen back-to-back,
2684	# coro crashes during coro_state_free->destroy here.	3976	# coro crashes during coro_state_free->destroy here.
2685		3977
2686	$RELOAD_WATCHER ||= Event->timer (	3978	$RELOAD_WATCHER ||= cf::async {
2687	reentrant => 0,	3979	Coro::AIO::aio_wait cache_extensions;
2688	after => 0,	3980
2689	data => WF_AUTOCANCEL,	3981	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2690	cb => sub {
2691	do_reload_perl;	3982	do_reload_perl;
2692	undef $RELOAD_WATCHER;	3983	undef $RELOAD_WATCHER;
2693	},	3984	};
2694	);	3985	};
2695	}	3986	}
2696		3987
2697	register_command "reload" => sub {	3988	register_command "reload" => sub {
2698	my ($who, $arg) = @_;	3989	my ($who, $arg) = @_;
2699		3990
2700	if ($who->flag (FLAG_WIZ)) {	3991	if ($who->flag (FLAG_WIZ)) {
2701	$who->message ("reloading server.");	3992	$who->message ("reloading server.");
		3993	async {
		3994	$Coro::current->{desc} = "perl_reload";
2702	async { reload_perl };	3995	reload_perl;
		3996	};
2703	}	3997	}
2704	};	3998	};
2705		3999
2706	unshift @INC, $LIBDIR;	4000	unshift @INC, $LIBDIR;
2707		4001
…		…
2709		4003
2710	our @WAIT_FOR_TICK;	4004	our @WAIT_FOR_TICK;
2711	our @WAIT_FOR_TICK_BEGIN;	4005	our @WAIT_FOR_TICK_BEGIN;
2712		4006
2713	sub wait_for_tick {	4007	sub wait_for_tick {
2714	return unless $TICK_WATCHER->is_active;
2715	return if $Coro::current == $Coro::main;	4008	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2716		4009
2717	my $signal = new Coro::Signal;	4010	my $signal = new Coro::Signal;
2718	push @WAIT_FOR_TICK, $signal;	4011	push @WAIT_FOR_TICK, $signal;
2719	$signal->wait;	4012	$signal->wait;
2720	}	4013	}
2721		4014
2722	sub wait_for_tick_begin {	4015	sub wait_for_tick_begin {
2723	return unless $TICK_WATCHER->is_active;
2724	return if $Coro::current == $Coro::main;	4016	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2725		4017
2726	my $signal = new Coro::Signal;	4018	my $signal = new Coro::Signal;
2727	push @WAIT_FOR_TICK_BEGIN, $signal;	4019	push @WAIT_FOR_TICK_BEGIN, $signal;
2728	$signal->wait;	4020	$signal->wait;
2729	}	4021	}
2730		4022
2731	$TICK_WATCHER = Event->timer (	4023	sub tick {
2732	reentrant => 0,
2733	parked => 1,
2734	prio => 0,
2735	at => $NEXT_TICK || $TICK,
2736	data => WF_AUTOCANCEL,
2737	cb => sub {
2738	if ($Coro::current != $Coro::main) {	4024	if ($Coro::current != $Coro::main) {
2739	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4025	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2740	unless ++$bug_warning > 10;	4026	unless ++$bug_warning > 10;
2741	return;	4027	return;
2742	}	4028	}
2743		4029
2744	$NOW = Event::time;
2745
2746	cf::server_tick; # one server iteration	4030	cf::server_tick; # one server iteration
2747		4031
2748	$RUNTIME += $TICK;	4032	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2749	$NEXT_TICK += $TICK;
2750		4033
2751	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4034	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2752	$NEXT_RUNTIME_WRITE = $NOW + 10;	4035	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2753	Coro::async_pool {	4036	Coro::async_pool {
		4037	$Coro::current->{desc} = "runtime saver";
2754	write_runtime	4038	write_runtime_sync
2755	or warn "ERROR: unable to write runtime file: $!";	4039	or error "ERROR: unable to write runtime file: $!";
2756	};
2757	}	4040	};
		4041	}
2758		4042
2759	# my $AFTER = Event::time;
2760	# warn $AFTER - $NOW;#d#
2761
2762	# if we are delayed by four ticks or more, skip them all
2763	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2764
2765	$TICK_WATCHER->at ($NEXT_TICK);
2766	$TICK_WATCHER->start;
2767
2768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4043	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2769	$sig->send;	4044	$sig->send;
2770	}	4045	}
2771	while (my $sig = shift @WAIT_FOR_TICK) {	4046	while (my $sig = shift @WAIT_FOR_TICK) {
2772	$sig->send;	4047	$sig->send;
2773	}
2774
2775	_post_tick;
2776	},	4048	}
2777	);	4049
		4050	$LOAD = ($NOW - $TICK_START) / $TICK;
		4051	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4052
		4053	if (0) {
		4054	if ($NEXT_TICK) {
		4055	my $jitter = $TICK_START - $NEXT_TICK;
		4056	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4057	debug "jitter $JITTER\n";#d#
		4058	}
		4059	}
		4060	}
2778		4061
2779	{	4062	{
2780	BDB::max_poll_time $TICK * 0.1;	4063	# configure BDB
2781	$BDB_POLL_WATCHER = Event->io (	4064
2782	reentrant => 0,
2783	fd => BDB::poll_fileno,
2784	poll => 'r',
2785	prio => 0,
2786	data => WF_AUTOCANCEL,
2787	cb => \&BDB::poll_cb,
2788	);
2789	BDB::min_parallel 8;	4065	BDB::min_parallel 16;
2790		4066	BDB::max_poll_reqs $TICK * 0.1;
2791	BDB::set_sync_prepare {	4067	$AnyEvent::BDB::WATCHER->priority (1);
2792	my $status;
2793	my $current = $Coro::current;
2794	(
2795	sub {
2796	$status = $!;
2797	$current->ready; undef $current;
2798	},
2799	sub {
2800	Coro::schedule while defined $current;
2801	$! = $status;
2802	},
2803	)
2804	};
2805		4068
2806	unless ($DB_ENV) {	4069	unless ($DB_ENV) {
2807	$DB_ENV = BDB::db_env_create;	4070	$DB_ENV = BDB::db_env_create;
		4071	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4072	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4073	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4074	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4075	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2808		4076
2809	cf::sync_job {	4077	cf::sync_job {
2810	eval {	4078	eval {
2811	BDB::db_env_open	4079	BDB::db_env_open
2812	$DB_ENV,	4080	$DB_ENV,
2813	$BDB_ENV_DIR,	4081	$BDBDIR,
2814	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4082	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2815	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4083	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2816	0666;	4084	0666;
2817		4085
2818	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4086	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2819
2820	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2821	$DB_ENV->set_lk_detect;
2822	};	4087	};
2823		4088
2824	cf::cleanup "db_env_open(db): $@" if $@;	4089	cf::cleanup "db_env_open(db): $@" if $@;
2825	};	4090	};
2826	}	4091	}
		4092
		4093	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4094	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4095	};
		4096	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4097	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4098	};
		4099	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4100	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4101	};
2827	}	4102	}
2828		4103
2829	{	4104	{
		4105	# configure IO::AIO
		4106
2830	IO::AIO::min_parallel 8;	4107	IO::AIO::min_parallel 8;
2831
2832	undef $Coro::AIO::WATCHER;
2833	IO::AIO::max_poll_time $TICK * 0.1;	4108	IO::AIO::max_poll_time $TICK * 0.1;
2834	$AIO_POLL_WATCHER = Event->io (	4109	undef $AnyEvent::AIO::WATCHER;
2835	reentrant => 0,	4110	}
2836	data => WF_AUTOCANCEL,	4111
2837	fd => IO::AIO::poll_fileno,	4112	my $_log_backtrace;
2838	poll => 'r',	4113
2839	prio => 6,	4114	sub _log_backtrace {
2840	cb => \&IO::AIO::poll_cb,	4115	my ($msg, @addr) = @_;
2841	);	4116
		4117	$msg =~ s/\n//;
		4118
		4119	# limit the # of concurrent backtraces
		4120	if ($_log_backtrace < 2) {
		4121	++$_log_backtrace;
		4122	my $perl_bt = Carp::longmess $msg;
		4123	async {
		4124	$Coro::current->{desc} = "abt $msg";
		4125
		4126	my @bt = fork_call {
		4127	@addr = map { sprintf "%x", $_ } @addr;
		4128	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4129	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4130	or die "addr2line: $!";
		4131
		4132	my @funcs;
		4133	my @res = <$fh>;
		4134	chomp for @res;
		4135	while (@res) {
		4136	my ($func, $line) = splice @res, 0, 2, ();
		4137	push @funcs, "[$func] $line";
		4138	}
		4139
		4140	@funcs
		4141	};
		4142
		4143	LOG llevInfo, "[ABT] $perl_bt\n";
		4144	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4145	LOG llevInfo, "[ABT] $_\n" for @bt;
		4146	--$_log_backtrace;
		4147	};
		4148	} else {
		4149	LOG llevInfo, "[ABT] $msg\n";
		4150	LOG llevInfo, "[ABT] [suppressed]\n";
		4151	}
2842	}	4152	}
2843		4153
2844	# load additional modules	4154	# load additional modules
2845	use cf::pod;	4155	require "cf/$_.pm" for @EXTRA_MODULES;
		4156	cf::_connect_to_perl_2;
2846		4157
2847	END { cf::emergency_save }	4158	END { cf::emergency_save }
2848		4159
2849	1	4160	1
2850		4161

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