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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.248 by root, Tue Apr 17 18:40:32 2007 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.61 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
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}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
928	1	1470	}
929	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
930	}	1481	};
931	}	1482	}
932		1483
933	#############################################################################	1484	#############################################################################
934		1485
		1486	=back
		1487
935	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
936		1489
937	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
938		1491
939	=cut	1492	=cut
940		1493
941	package cf::player;	1494	package cf::player;
942		1495
…		…
944		1497
945	=head3 cf::player	1498	=head3 cf::player
946		1499
947	=over 4	1500	=over 4
948		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
949	=item cf::player::find $login	1516	=item cf::player::find $login
950		1517
951	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
952		1519
953	=cut	1520	=cut
954		1521
955	sub playerdir($) {	1522	sub playerdir($) {
956	cf::localdir	1523	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1525	}
962		1526
963	sub path($) {	1527	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1538
975	sub exists($) {	1539	sub exists($) {
976	my ($login) = @_;	1540	my ($login) = @_;
977		1541
978	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
980	}	1544	}
981		1545
982	sub find($) {	1546	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1548	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
995		1559
996	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
997	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
999	}	1569	}
1000	}	1570	}
1001	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1002		1585
1003	sub save($) {	1586	sub save($) {
1004	my ($pl) = @_;	1587	my ($pl) = @_;
1005		1588
1006	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1012		1595
1013	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1015		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1016	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1017	Coro::cede;	1605	cf::cede_to_tick;
1018	}	1606	}
1019		1607
1020	sub new($) {	1608	sub new($) {
1021	my ($login) = @_;	1609	my ($login) = @_;
1022		1610
…		…
1028	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1029		1617
1030	$self	1618	$self
1031	}	1619	}
1032		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1033	=item $pl->quit_character	1631	=item $pl->quit_character
1034		1632
1035	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1037		1635
…		…
1041	my ($pl) = @_;	1639	my ($pl) = @_;
1042		1640
1043	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1044		1642
1045	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1645
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1052		1651
1053	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1085		1684
1086	=cut	1685	=cut
1087		1686
1088	sub list_logins {	1687	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1689	or return [];
1091		1690
1092	my @logins;	1691	my @logins;
1093		1692
1094	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1098		1703
1099	utf8::decode $login;	1704	utf8::decode $login;
1100	push @logins, $login;	1705	push @logins, $login;
1101	}	1706	}
1102		1707
1103	\@logins	1708	\@logins
1104	}	1709	}
1105		1710
1106	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1107		1714
1108	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1109	player. May block.	1716	player. May block.
1110		1717
1111	=cut	1718	=cut
…		…
1129	}	1736	}
1130		1737
1131	\@paths	1738	\@paths
1132	}	1739	}
1133		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1134	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1135		1746
1136	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1137		1748
1138	=cut	1749	=cut
1139		1750
1140	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1142		1753
1143	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1755	}
1147		1756
1148	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1149		1758
1150	Sends an ext event to the client.	1759	Sends an ext event to the client.
1151		1760
1152	=cut	1761	=cut
1153		1762
1154	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1156		1765
1157	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1158	}	1767	}
1159		1768
1160	=head3 cf::region	1769	=head3 cf::region
1161		1770
1162	=over 4	1771	=over 4
…		…
1165		1774
1166	package cf::region;	1775	package cf::region;
1167		1776
1168	=item cf::region::find_by_path $path	1777	=item cf::region::find_by_path $path
1169		1778
1170	Tries to decuce the probable region for a map knowing only its path.	1779	Tries to decuce the likely region for a map knowing only its path.
1171		1780
1172	=cut	1781	=cut
1173		1782
1174	sub find_by_path($) {	1783	sub find_by_path($) {
1175	my ($path) = @_;	1784	my ($path) = @_;
1176		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1177	my ($match, $specificity);	1788	my ($match, $specificity);
1178		1789
1179	for my $region (list) {	1790	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1183	}	1794	}
1184	}	1795	}
1185		1796
…		…
1206	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1208		1819
1209	sub generate_random_map {	1820	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1211	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1826	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1234		1848
1235	sub register {	1849	sub register {
1236	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1851	my $pkg = caller;
1238		1852
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1854
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1856	}
1244		1857
1245	# also paths starting with '/'	1858	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1860
1248	sub thawer_merge {	1861	sub thawer_merge {
1249	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1250		1863
1251	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1252	local $self->{path};	1865	local $self->{path};
1253	local $self->{load_path};	1866	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1867
1257	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1258	}	1869	}
1259		1870
1260	sub normalise {	1871	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1308	return $self;	1919	return $self;
1309	}	1920	}
1310	}	1921	}
1311		1922
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1924	()
1314	}	1925	}
1315		1926
1316	sub init {	1927	sub init {
1317	my ($self) = @_;	1928	my ($self) = @_;
…		…
1332		1943
1333	# the original (read-only) location	1944	# the original (read-only) location
1334	sub load_path {	1945	sub load_path {
1335	my ($self) = @_;	1946	my ($self) = @_;
1336		1947
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1338	}	1949	}
1339		1950
1340	# the temporary/swap location	1951	# the temporary/swap location
1341	sub save_path {	1952	sub save_path {
1342	my ($self) = @_;	1953	my ($self) = @_;
1343		1954
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1346	}	1957	}
1347		1958
1348	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1349	sub uniq_path {	1960	sub uniq_path {
1350	my ($self) = @_;	1961	my ($self) = @_;
1351		1962
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1354	}	1965	}
1355		1966
1356	# and all this just because we cannot iterate over	1967	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1968	my ($self) = @_;
1360		1969
1361	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1363	}	1973	}
1364		1974
1365	sub unlink_save {	1975	sub unlink_save {
1366	my ($self) = @_;	1976	my ($self) = @_;
1367		1977
…		…
1372		1982
1373	sub load_header_from($) {	1983	sub load_header_from($) {
1374	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1375		1985
1376	utf8::encode $path;	1986	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1382		1995
1383	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1384		1997
1385	1	1998	1
1386	}	1999	}
…		…
1425	$self->load_header_orig	2038	$self->load_header_orig
1426	or return;	2039	or return;
1427	$self->prepare_orig;	2040	$self->prepare_orig;
1428	}	2041	}
1429		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
1430	$self->default_region (cf::region::find_by_path $self->{path})	2046	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2047	unless $self->default_region;
1432		2048
1433	1	2049	1
1434	}	2050	}
…		…
1437	sub find {	2053	sub find {
1438	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1439		2055
1440	$path = normalise $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
1441		2057
		2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2060
1444	$cf::MAP{$path} || do {	2061	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2062	my $map = new_from_path cf::map $path
1447	or return;	2063	or return;
1448		2064
1449	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
1450		2066
1451	$map->load_header	2067	$map->load_header
1452	or return;	2068	or return;
1453		2069
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2071	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
		2074	undef $guard1;
1457	$map->reset;	2075	$map->reset;
1458	undef $guard;
1459	return find $path;	2076	return find $path;
1460	}	2077	}
1461		2078
1462	$cf::MAP{$path} = $map	2079	$cf::MAP{$path} = $map
1463	}	2080	}
1464	}	2081	}
1465		2082
1466	sub pre_load { }	2083	sub pre_load { }
1467	sub post_load { }	2084	#sub post_load { } # XS
1468		2085
1469	sub load {	2086	sub load {
1470	my ($self) = @_;	2087	my ($self) = @_;
1471		2088
1472	local $self->{deny_reset} = 1; # loading can take a long time	2089	local $self->{deny_reset} = 1; # loading can take a long time
1473		2090
1474	my $path = $self->{path};	2091	my $path = $self->{path};
		2092
		2093	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2094	my $guard = cf::lock_acquire "map_data:$path";
1476		2095
		2096	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2097	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2098
1479	$self->in_memory (cf::MAP_LOADING);	2099	$self->in_memory (cf::MAP_LOADING);
1480		2100
1481	$self->alloc;	2101	$self->alloc;
1482		2102
1483	$self->pre_load;	2103	$self->pre_load;
1484	Coro::cede;	2104	cf::cede_to_tick;
1485		2105
1486	$self->_load_objects ($self->{load_path}, 1)	2106	my $f = new_from_file cf::object::thawer $self->{load_path};
		2107	$f->skip_block;
		2108	$self->_load_objects ($f)
1487	or return;	2109	or return;
1488		2110
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
1490	if delete $self->{load_original};	2112	if delete $self->{load_original};
1491		2113
1492	if (my $uniq = $self->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2115	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2116	unless (aio_stat $uniq) {
		2117	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2118	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2119	$self->_load_objects ($f);
		2120	$f->resolve_delayed_derefs;
		2121	}
1497	}	2122	}
1498	}	2123	}
1499		2124
1500	Coro::cede;	2125	$f->resolve_delayed_derefs;
		2126
		2127	cf::cede_to_tick;
1501	# now do the right thing for maps	2128	# now do the right thing for maps
1502	$self->link_multipart_objects;	2129	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	2130	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2131	unless $self->difficulty;
1513	Coro::cede;	2132	cf::cede_to_tick;
		2133
		2134	unless ($self->{deny_activate}) {
		2135	$self->decay_objects;
		2136	$self->fix_auto_apply;
		2137	$self->update_buttons;
		2138	cf::cede_to_tick;
1514	$self->activate;	2139	$self->activate;
1515	Coro::cede;	2140	}
		2141
		2142	$self->{last_save} = $cf::RUNTIME;
		2143	$self->last_access ($cf::RUNTIME);
		2144
		2145	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2146	}
1517		2147
1518	$self->post_load;	2148	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2149	}
1523		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2154	sub customise_for {
1525	my ($self, $ob) = @_;	2155	my ($self, $ob) = @_;
1526		2156
1527	return find "~" . $ob->name . "/" . $self->{path}	2157	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2158	if $self->per_player;
1529		2159
		2160	# return find "?party/" . $ob->name . "/" . $self->{path}
		2161	# if $self->per_party;
		2162
1530	$self	2163	$self
1531	}	2164	}
1532		2165
1533	# find and load all maps in the 3x3 area around a map	2166	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2167	sub load_neighbours {
1535	my ($map) = @_;	2168	my ($map) = @_;
1536		2169
1537	my @diag; # diagonal neighbours	2170	my @neigh; # diagonal neighbours
1538		2171
1539	for (0 .. 3) {	2172	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2173	my $neigh = $map->tile_path ($_)
1541	or next;	2174	or next;
1542	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
1543	or next;	2176	or next;
1544	$neigh->load;	2177	$neigh->load;
1545		2178
		2179	# now find the diagonal neighbours
		2180	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2183	}
1549		2184
1550	for (@diag) {	2185	for (grep defined $_->[0], @neigh) {
		2186	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2187	my $neigh = find $path, $origin
1552	or next;	2188	or next;
1553	$neigh->load;	2189	$neigh->load;
1554	}	2190	}
1555	}	2191	}
1556		2192
1557	sub find_sync {	2193	sub find_sync {
1558	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
1559		2195
1560	cf::sync_job { find $path, $origin }	2196	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2197	if $Coro::current == $Coro::main;
		2198
		2199	find $path, $origin
1561	}	2200	}
1562		2201
1563	sub do_load_sync {	2202	sub do_load_sync {
1564	my ($map) = @_;	2203	my ($map) = @_;
1565		2204
1566	cf::sync_job { $map->load };	2205	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2206	if $Coro::current == $Coro::main;
		2207
		2208	$map->load;
1567	}	2209	}
1568		2210
1569	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2212	our $MAP_PREFETCHER = undef;
1571		2213
1572	sub find_async {	2214	sub find_async {
1573	my ($path, $origin) = @_;	2215	my ($path, $origin, $load) = @_;
1574		2216
1575	$path = normalise $path, $origin && $origin->{path};	2217	$path = normalise $path, $origin && $origin->{path};
1576		2218
1577	if (my $map = $cf::MAP{$path}) {	2219	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2220	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2221	}
1580		2222
1581	undef $MAP_PREFETCH{$path};	2223	$MAP_PREFETCH{$path} |= $load;
		2224
1582	$MAP_PREFETCHER ||= cf::async {	2225	$MAP_PREFETCHER ||= cf::async {
		2226	$Coro::current->{desc} = "map prefetcher";
		2227
1583	while (%MAP_PREFETCH) {	2228	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2229	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2230	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2231	$map->load if $v;
		2232	}
1588		2233
1589	delete $MAP_PREFETCH{$path};	2234	delete $MAP_PREFETCH{$k};
1590	}	2235	}
1591	}	2236	}
1592	undef $MAP_PREFETCHER;	2237	undef $MAP_PREFETCHER;
1593	};	2238	};
1594	$MAP_PREFETCHER->prio (6);	2239	$MAP_PREFETCHER->prio (6);
1595		2240
1596	()	2241	()
1597	}	2242	}
1598		2243
		2244	# common code, used by both ->save and ->swapout
1599	sub save {	2245	sub _save {
1600	my ($self) = @_;	2246	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2247
1604	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1605		2249
1606	return unless $self->dirty;	2250	return unless $self->dirty;
1607		2251
…		…
1613	return if $self->{deny_save};	2257	return if $self->{deny_save};
1614		2258
1615	local $self->{last_access} = $self->last_access;#d#	2259	local $self->{last_access} = $self->last_access;#d#
1616		2260
1617	cf::async {	2261	cf::async {
		2262	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2263	$_->contr->save for $self->players;
1619	};	2264	};
		2265
		2266	cf::get_slot 0.02;
1620		2267
1621	if ($uniq) {	2268	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2269	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2270	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2271	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2273	}
1627	}	2274	}
1628		2275
		2276	sub save {
		2277	my ($self) = @_;
		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
		2281	$self->_save;
		2282	}
		2283
1629	sub swap_out {	2284	sub swap_out {
1630	my ($self) = @_;	2285	my ($self) = @_;
1631		2286
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2288
		2289	return if $self->in_memory != cf::MAP_ACTIVE;
		2290	return if $self->{deny_save};
1637	return if $self->players;	2291	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2292
		2293	# first deactivate the map and "unlink" it from the core
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# then atomically save
		2299	$self->_save;
		2300
		2301	# then free the map
1641	$self->clear;	2302	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2303	}
1644		2304
1645	sub reset_at {	2305	sub reset_at {
1646	my ($self) = @_;	2306	my ($self) = @_;
1647		2307
1648	# TODO: safety, remove and allow resettable per-player maps	2308	# 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};	2309	return 1e99 if $self->{deny_reset};
1651		2310
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2311	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2312	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2313
…		…
1665	my ($self) = @_;	2324	my ($self) = @_;
1666		2325
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2327
1669	return if $self->players;	2328	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2329
1672	warn "resetting map ", $self->path;#d#	2330	cf::trace "resetting map ", $self->path, "\n";
1673		2331
1674	$self->in_memory (cf::MAP_SWAPPED);	2332	$self->in_memory (cf::MAP_SWAPPED);
1675		2333
1676	# need to save uniques path	2334	# need to save uniques path
1677	unless ($self->{deny_save}) {	2335	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2339	if $uniq;
1682	}	2340	}
1683		2341
1684	delete $cf::MAP{$self->path};	2342	delete $cf::MAP{$self->path};
1685		2343
		2344	$self->deactivate;
		2345	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2346	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2347
1690	$self->unlink_save;	2348	$self->unlink_save;
1691	$self->destroy;	2349	$self->destroy;
1692	}	2350	}
1693		2351
1694	my $nuke_counter = "aaaa";	2352	my $nuke_counter = "aaaa";
1695		2353
1696	sub nuke {	2354	sub nuke {
1697	my ($self) = @_;	2355	my ($self) = @_;
1698		2356
		2357	{
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
1699	delete $cf::MAP{$self->path};	2360	delete $cf::MAP{$self->path};
1700		2361
1701	$self->unlink_save;	2362	$self->unlink_save;
1702		2363
1703	bless $self, "cf::map";	2364	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2365	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2369
1709	$cf::MAP{$self->path} = $self;	2370	$cf::MAP{$self->path} = $self;
		2371	}
1710		2372
1711	$self->reset; # polite request, might not happen	2373	$self->reset; # polite request, might not happen
		2374	}
		2375
		2376	=item $maps = cf::map::tmp_maps
		2377
		2378	Returns an arrayref with all map paths of currently instantiated and saved
		2379	maps. May block.
		2380
		2381	=cut
		2382
		2383	sub tmp_maps() {
		2384	[
		2385	map {
		2386	utf8::decode $_;
		2387	/\.map$/
		2388	? normalise $_
		2389	: ()
		2390	} @{ aio_readdir $TMPDIR or [] }
		2391	]
		2392	}
		2393
		2394	=item $maps = cf::map::random_maps
		2395
		2396	Returns an arrayref with all map paths of currently instantiated and saved
		2397	random maps. May block.
		2398
		2399	=cut
		2400
		2401	sub random_maps() {
		2402	[
		2403	map {
		2404	utf8::decode $_;
		2405	/\.map$/
		2406	? normalise "?random/$_"
		2407	: ()
		2408	} @{ aio_readdir $RANDOMDIR or [] }
		2409	]
1712	}	2410	}
1713		2411
1714	=item cf::map::unique_maps	2412	=item cf::map::unique_maps
1715		2413
1716	Returns an arrayref of paths of all shared maps that have	2414	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2415	instantiated unique items. May block.
1718		2416
1719	=cut	2417	=cut
1720		2418
1721	sub unique_maps() {	2419	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2420	[
1723	or return;	2421	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2422	utf8::decode $_;
1729	next if /\.pst$/;	2423	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2424	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2425	? ()
1732	push @paths, cf::map::normalise $_;	2426	: normalise $_
		2427	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2428	]
1734
1735	\@paths
1736	}	2429	}
1737		2430
1738	package cf;	2431	=item cf::map::static_maps
		2432
		2433	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2434	file in the shared directory excluding F</styles> and F</editor>). May
		2435	block.
		2436
		2437	=cut
		2438
		2439	sub static_maps() {
		2440	my @dirs = "";
		2441	my @maps;
		2442
		2443	while (@dirs) {
		2444	my $dir = shift @dirs;
		2445
		2446	next if $dir eq "/styles" || $dir eq "/editor";
		2447
		2448	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2449	or return;
		2450
		2451	for (@$files) {
		2452	s/\.map$// or next;
		2453	utf8::decode $_;
		2454	push @maps, "$dir/$_";
		2455	}
		2456
		2457	push @dirs, map "$dir/$_", @$dirs;
		2458	}
		2459
		2460	\@maps
		2461	}
1739		2462
1740	=back	2463	=back
1741		2464
1742	=head3 cf::object	2465	=head3 cf::object
1743		2466
…		…
1747		2470
1748	=over 4	2471	=over 4
1749		2472
1750	=item $ob->inv_recursive	2473	=item $ob->inv_recursive
1751		2474
1752	Returns the inventory of the object _and_ their inventories, recursively.	2475	Returns the inventory of the object I<and> their inventories, recursively,
		2476	but I<not> the object itself.
1753		2477
1754	=cut	2478	=cut
1755		2479
1756	sub inv_recursive_;	2480	sub inv_recursive_;
1757	sub inv_recursive_ {	2481	sub inv_recursive_ {
…		…
1760		2484
1761	sub inv_recursive {	2485	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2486	inv_recursive_ inv $_[0]
1763	}	2487	}
1764		2488
		2489	=item $ref = $ob->ref
		2490
		2491	Creates and returns a persistent reference to an object that can be stored as a string.
		2492
		2493	=item $ob = cf::object::deref ($refstring)
		2494
		2495	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2496	even if the object actually exists. May block.
		2497
		2498	=cut
		2499
		2500	sub deref {
		2501	my ($ref) = @_;
		2502
		2503	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2504	my ($uuid, $name) = ($1, $2);
		2505	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2506	or return;
		2507	$pl->ob->uuid eq $uuid
		2508	or return;
		2509
		2510	$pl->ob
		2511	} else {
		2512	warn "$ref: cannot resolve object reference\n";
		2513	undef
		2514	}
		2515	}
		2516
1765	package cf;	2517	package cf;
1766		2518
1767	=back	2519	=back
1768		2520
1769	=head3 cf::object::player	2521	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2527	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2528	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
1778		2530
1779	=cut	2531	=cut
		2532
		2533	our $SAY_CHANNEL = {
		2534	id => "say",
		2535	title => "Map",
		2536	reply => "say ",
		2537	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2538	};
		2539
		2540	our $CHAT_CHANNEL = {
		2541	id => "chat",
		2542	title => "Chat",
		2543	reply => "chat ",
		2544	tooltip => "Player chat and shouts, global to the server.",
		2545	};
1780		2546
1781	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2548	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2549	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
…		…
1786		2552
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2553	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2554
1789	if ($self->{record_replies}) {	2555	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2556	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2557
1791	} else {	2558	} else {
		2559	my $pl = $self->contr;
		2560
		2561	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2562	my $dialog = $pl->{npc_dialog};
		2563	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2564
		2565	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2568	}
1794	}	2569	}
		2570	}
		2571
		2572	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2573
		2574	=cut
		2575
		2576	sub cf::object::send_msg {
		2577	my $pl = shift->contr
		2578	or return;
		2579	$pl->send_msg (@_);
1795	}	2580	}
1796		2581
1797	=item $player_object->may ("access")	2582	=item $player_object->may ("access")
1798		2583
1799	Returns wether the given player is authorized to access resource "access"	2584	Returns wether the given player is authorized to access resource "access"
…		…
1812		2597
1813	=item $player_object->enter_link	2598	=item $player_object->enter_link
1814		2599
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2600	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2601
1817	The player should be reasonably safe there for short amounts of time. You	2602	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2603	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2604	though, as the player cannot control the character while it is on the link
		2605	map.
1819		2606
1820	Will never block.	2607	Will never block.
1821		2608
1822	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
1823		2610
…		…
1843	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2631	my ($self) = @_;
1845		2632
1846	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
1847		2634
		2635	++$self->{_link_recursion};
		2636
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2638
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2640	if $self->map && $self->map->{path} ne "{link}";
1852		2641
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2643	}
1855		2644
1856	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
		2647
		2648	return unless $self->contr->active;
1858		2649
1859	my $link_pos = delete $self->{_link_pos};	2650	my $link_pos = delete $self->{_link_pos};
1860		2651
1861	unless ($map) {	2652	unless ($map) {
1862	# restore original map position	2653	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
1875		2666
1876	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
1879		2670
1880	$map->load;	2671	$map->load;
1881	$map->load_diag;	2672	$map->load_neighbours;
1882		2673
1883	return unless $self->contr->active;	2674	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2675
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2677	if ($self->enter_map ($map, $x, $y)) {
1888	}	2678	# entering was successful
1889		2679	delete $self->{_link_recursion};
1890	cf::player->attach (	2680	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2681	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2682	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2683
1904	# try to abort aborted map switching on player login :)	2684	}
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		2685
1922	=item $player_object->goto ($path, $x, $y)	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2687
		2688	Moves the player to the given map-path and coordinates by first freezing
		2689	her, loading and preparing them map, calling the provided $check callback
		2690	that has to return the map if sucecssful, and then unfreezes the player on
		2691	the new (success) or old (failed) map position. In either case, $done will
		2692	be called at the end of this process.
		2693
		2694	Note that $check will be called with a potentially non-loaded map, so if
		2695	it needs a loaded map it has to call C<< ->load >>.
		2696
1924	=cut	2697	=cut
		2698
		2699	our $GOTOGEN;
1925		2700
1926	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2702	my ($self, $path, $x, $y, $check, $done) = @_;
		2703
		2704	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2705	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2706	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2707	($path, $x, $y) = @$EMERGENCY_POSITION;
		2708	}
		2709
		2710	# do generation counting so two concurrent goto's will be executed in-order
		2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2712
1929	$self->enter_link;	2713	$self->enter_link;
1930		2714
1931	(async {	2715	(async {
		2716	$Coro::current->{desc} = "player::goto $path $x $y";
		2717
		2718	# *tag paths override both path and x|y
		2719	if ($path =~ /^\*(.*)$/) {
		2720	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2721	my $ob = $obs[rand @obs];
		2722
		2723	# see if we actually can go there
		2724	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2725	$ob = $obs[rand @obs];
		2726	} else {
		2727	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2728	}
		2729	# else put us there anyways for now #d#
		2730
		2731	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2732	} else {
		2733	($path, $x, $y) = (undef, undef, undef);
		2734	}
		2735	}
		2736
1932	my $map = eval {	2737	my $map = eval {
1933	my $map = cf::map::find $path;	2738	my $map = defined $path ? cf::map::find $path : undef;
		2739
		2740	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2741	$map = $map->customise_for ($self);
		2742	$map = $check->($map, $x, $y, $self) if $check && $map;
		2743	} else {
		2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2745	}
		2746
1935	$map	2747	$map
		2748	};
		2749
		2750	if ($@) {
		2751	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2753	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2754
		2755	if ($gen == $self->{_goto_generation}) {
		2756	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
		2758	}
		2759
		2760	$done->($self) if $done;
1940	})->prio (1);	2761	})->prio (1);
1941	}	2762	}
1942		2763
1943	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
1944		2765
…		…
1964	}	2785	}
1965		2786
1966	sub prepare_random_map {	2787	sub prepare_random_map {
1967	my ($exit) = @_;	2788	my ($exit) = @_;
1968		2789
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2790	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2791	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2792	# that depends on the exit object
1974		2793
1975	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2796	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2797	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
1982	}	2803	}
1983		2804
1984	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
1985		2806
1986	my $data = cf::to_json $rmp;	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2808	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2809	my $meta = "$RANDOMDIR/$md5.meta";
1989		2810
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2813	undef $fh;
1993	aio_rename "$meta~", $meta;	2814	aio_rename "$meta~", $meta;
1994		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
1997	}	2822	}
1998	}	2823	}
1999		2824
2000	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
2002		2827
2003	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
2004		2829
2005	if ($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;	2830	$self->enter_link;
2017		2831
2018	(async {	2832	(async {
2019	$self->deactivate_recursive; # just to be sure	2833	$Coro::current->{desc} = "enter_exit";
		2834
2020	unless (eval {	2835	unless (eval {
		2836	$self->deactivate_recursive; # just to be sure
		2837
		2838	# random map handling
		2839	{
		2840	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2841
		2842	prepare_random_map $exit
		2843	if $exit->slaying eq "/!";
		2844	}
		2845
		2846	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2847	my $x = $exit->stats->hp;
		2848	my $y = $exit->stats->sp;
		2849
2021	$self->goto ($slaying, $hp, $sp);	2850	$self->goto ($map, $x, $y);
2022		2851
		2852	# if exit is damned, update players death & WoR home-position
		2853	$self->contr->savebed ($map, $x, $y)
		2854	if $exit->flag (cf::FLAG_DAMNED);
		2855
2023	1;	2856	1
2024	}) {	2857	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2859	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2860	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2862
2030	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2864	$self->leave_link;
2032	}	2865	}
2033	})->prio (1);	2866	})->prio (1);
2034	}	2867	}
2035		2868
…		…
2049		2882
2050	utf8::encode $text;	2883	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2884	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2885	}
2053		2886
		2887	=item $client->send_big_packet ($pkt)
		2888
		2889	Like C<send_packet>, but tries to compress large packets, and fragments
		2890	them as required.
		2891
		2892	=cut
		2893
		2894	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2895
		2896	sub cf::client::send_big_packet {
		2897	my ($self, $pkt) = @_;
		2898
		2899	# try lzf for large packets
		2900	$pkt = "lzf " . Compress::LZF::compress $pkt
		2901	if 1024 <= length $pkt and $self->{can_lzf};
		2902
		2903	# split very large packets
		2904	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2905	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2906	$pkt = "frag";
		2907	}
		2908
		2909	$self->send_packet ($pkt);
		2910	}
		2911
		2912	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2913
		2914	Send a drawinfo or msg packet to the client, formatting the msg for the
		2915	client if neccessary. C<$type> should be a string identifying the type of
		2916	the message, with C<log> being the default. If C<$color> is negative, suppress
		2917	the message unless the client supports the msg packet.
		2918
		2919	=cut
		2920
		2921	# non-persistent channels (usually the info channel)
		2922	our %CHANNEL = (
		2923	"c/motd" => {
		2924	id => "infobox",
		2925	title => "MOTD",
		2926	reply => undef,
		2927	tooltip => "The message of the day",
		2928	},
		2929	"c/identify" => {
		2930	id => "infobox",
		2931	title => "Identify",
		2932	reply => undef,
		2933	tooltip => "Items recently identified",
		2934	},
		2935	"c/examine" => {
		2936	id => "infobox",
		2937	title => "Examine",
		2938	reply => undef,
		2939	tooltip => "Signs and other items you examined",
		2940	},
		2941	"c/shopinfo" => {
		2942	id => "infobox",
		2943	title => "Shop Info",
		2944	reply => undef,
		2945	tooltip => "What your bargaining skill tells you about the shop",
		2946	},
		2947	"c/book" => {
		2948	id => "infobox",
		2949	title => "Book",
		2950	reply => undef,
		2951	tooltip => "The contents of a note or book",
		2952	},
		2953	"c/lookat" => {
		2954	id => "infobox",
		2955	title => "Look",
		2956	reply => undef,
		2957	tooltip => "What you saw there",
		2958	},
		2959	"c/who" => {
		2960	id => "infobox",
		2961	title => "Players",
		2962	reply => undef,
		2963	tooltip => "Shows players who are currently online",
		2964	},
		2965	"c/body" => {
		2966	id => "infobox",
		2967	title => "Body Parts",
		2968	reply => undef,
		2969	tooltip => "Shows which body parts you posess and are available",
		2970	},
		2971	"c/statistics" => {
		2972	id => "infobox",
		2973	title => "Statistics",
		2974	reply => undef,
		2975	tooltip => "Shows your primary statistics",
		2976	},
		2977	"c/skills" => {
		2978	id => "infobox",
		2979	title => "Skills",
		2980	reply => undef,
		2981	tooltip => "Shows your experience per skill and item power",
		2982	},
		2983	"c/shopitems" => {
		2984	id => "infobox",
		2985	title => "Shop Items",
		2986	reply => undef,
		2987	tooltip => "Shows the items currently for sale in this shop",
		2988	},
		2989	"c/resistances" => {
		2990	id => "infobox",
		2991	title => "Resistances",
		2992	reply => undef,
		2993	tooltip => "Shows your resistances",
		2994	},
		2995	"c/pets" => {
		2996	id => "infobox",
		2997	title => "Pets",
		2998	reply => undef,
		2999	tooltip => "Shows information abotu your pets/a specific pet",
		3000	},
		3001	"c/perceiveself" => {
		3002	id => "infobox",
		3003	title => "Perceive Self",
		3004	reply => undef,
		3005	tooltip => "You gained detailed knowledge about yourself",
		3006	},
		3007	"c/uptime" => {
		3008	id => "infobox",
		3009	title => "Uptime",
		3010	reply => undef,
		3011	tooltip => "How long the server has been running since last restart",
		3012	},
		3013	"c/mapinfo" => {
		3014	id => "infobox",
		3015	title => "Map Info",
		3016	reply => undef,
		3017	tooltip => "Information related to the maps",
		3018	},
		3019	"c/party" => {
		3020	id => "party",
		3021	title => "Party",
		3022	reply => "gsay ",
		3023	tooltip => "Messages and chat related to your party",
		3024	},
		3025	"c/death" => {
		3026	id => "death",
		3027	title => "Death",
		3028	reply => undef,
		3029	tooltip => "Reason for and more info about your most recent death",
		3030	},
		3031	"c/say" => $SAY_CHANNEL,
		3032	"c/chat" => $CHAT_CHANNEL,
		3033	);
		3034
		3035	sub cf::client::send_msg {
		3036	my ($self, $channel, $msg, $color, @extra) = @_;
		3037
		3038	$msg = $self->pl->expand_cfpod ($msg)
		3039	unless $color & cf::NDI_VERBATIM;
		3040
		3041	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3042
		3043	# check predefined channels, for the benefit of C
		3044	if ($CHANNEL{$channel}) {
		3045	$channel = $CHANNEL{$channel};
		3046
		3047	$self->ext_msg (channel_info => $channel);
		3048	$channel = $channel->{id};
		3049
		3050	} elsif (ref $channel) {
		3051	# send meta info to client, if not yet sent
		3052	unless (exists $self->{channel}{$channel->{id}}) {
		3053	$self->{channel}{$channel->{id}} = $channel;
		3054	$self->ext_msg (channel_info => $channel);
		3055	}
		3056
		3057	$channel = $channel->{id};
		3058	}
		3059
		3060	return unless @extra || length $msg;
		3061
		3062	# default colour, mask it out
		3063	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3064	if $color & cf::NDI_DEF;
		3065
		3066	my $pkt = "msg "
		3067	. $self->{json_coder}->encode (
		3068	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3069	);
		3070
		3071	$self->send_big_packet ($pkt);
		3072	}
		3073
2054	=item $client->ext_event ($type, %msg)	3074	=item $client->ext_msg ($type, @msg)
2055		3075
2056	Sends an exti event to the client.	3076	Sends an ext event to the client.
2057		3077
2058	=cut	3078	=cut
2059		3079
2060	sub cf::client::ext_event($$%) {	3080	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3081	my ($self, $type, @msg) = @_;
2062		3082
		3083	if ($self->extcmd == 2) {
		3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3085	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3086	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3087	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3088	}
		3089	}
		3090
		3091	=item $client->ext_reply ($msgid, @msg)
		3092
		3093	Sends an ext reply to the client.
		3094
		3095	=cut
		3096
		3097	sub cf::client::ext_reply($$@) {
		3098	my ($self, $id, @msg) = @_;
		3099
		3100	if ($self->extcmd == 2) {
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3102	} elsif ($self->extcmd == 1) {
		3103	#TODO: version 1, remove
		3104	unshift @msg, msgtype => "reply", msgid => $id;
		3105	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3106	}
2065	}	3107	}
2066		3108
2067	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
2068		3110
2069	Queues a query to the client, calling the given callback with	3111	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>,	3112	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>.	3113	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3114
2073	Queries can fail, so check the return code. Or don't, as queries will become	3115	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3116	become reliable at some point in the future.
2075		3117
2076	=cut	3118	=cut
2077		3119
2078	sub cf::client::query {	3120	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3121	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3129	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3130	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3131
2090	$self->send_packet ($self->{query_queue}[0][0])	3132	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3133	if @{ $self->{query_queue} } == 1;
		3134
		3135	1
2092	}	3136	}
2093		3137
2094	cf::client->attach (	3138	cf::client->attach (
		3139	on_connect => sub {
		3140	my ($ns) = @_;
		3141
		3142	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3143	},
2095	on_reply => sub {	3144	on_reply => sub {
2096	my ($ns, $msg) = @_;	3145	my ($ns, $msg) = @_;
2097		3146
2098	# this weird shuffling is so that direct followup queries	3147	# this weird shuffling is so that direct followup queries
2099	# get handled first	3148	# get handled first
…		…
2111	} else {	3160	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3161	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3162	}
2114	}	3163	}
2115	},	3164	},
		3165	on_exticmd => sub {
		3166	my ($ns, $buf) = @_;
		3167
		3168	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3169
		3170	if (ref $msg) {
		3171	my ($type, $reply, @payload) =
		3172	"ARRAY" eq ref $msg
		3173	? @$msg
		3174	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3175
		3176	my @reply;
		3177
		3178	if (my $cb = $EXTICMD{$type}) {
		3179	@reply = $cb->($ns, @payload);
		3180	}
		3181
		3182	$ns->ext_reply ($reply, @reply)
		3183	if $reply;
		3184
		3185	} else {
		3186	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3187	}
		3188
		3189	cf::override;
		3190	},
2116	);	3191	);
2117		3192
2118	=item $client->async (\&cb)	3193	=item $client->async (\&cb)
2119		3194
2120	Create a new coroutine, running the specified callback. The coroutine will	3195	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3211
2137	$coro	3212	$coro
2138	}	3213	}
2139		3214
2140	cf::client->attach (	3215	cf::client->attach (
2141	on_destroy => sub {	3216	on_client_destroy => sub {
2142	my ($ns) = @_;	3217	my ($ns) = @_;
2143		3218
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3220	},
2146	);	3221	);
…		…
2161	our $safe = new Safe "safe";	3236	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
2163		3238
2164	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
2165		3240
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3241	$safe->permit_only (Opcode::opset qw(
		3242	:base_core :base_mem :base_orig :base_math :base_loop
		3243	grepstart grepwhile mapstart mapwhile
		3244	sort time
		3245	));
2167		3246
2168	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
2169		3248
2170	=pod	3249	=pod
2171		3250
2172	The following functions and methods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
2173		3252
2174	cf::object contr pay_amount pay_player map	3253	cf::object
		3254	contr pay_amount pay_player map x y force_find force_add destroy
		3255	insert remove name archname title slaying race decrease split
		3256	value
		3257
2175	cf::object::player player	3258	cf::object::player
2176	cf::player peaceful	3259	player
2177	cf::map trigger	3260
		3261	cf::player
		3262	peaceful
		3263
		3264	cf::map
		3265	trigger
2178		3266
2179	=cut	3267	=cut
2180		3268
2181	for (	3269	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3270	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3271	insert remove inv nrof name archname title slaying race
		3272	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
2186	) {	3276	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3279	for @funs;
2191	}	3280	}
2192		3281
…		…
2207		3296
2208	my $qcode = $code;	3297	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
2211		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
2212	local $_;	3304	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3305
2215	my $eval =	3306	my $eval =
2216	"do {\n"	3307	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3310	. $code
2220	. "\n}"	3311	. "\n}"
2221	;	3312	;
2222		3313
		3314	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3318	sub_generation_inc;
		3319	} else {
		3320	local @cf::_safe_eval_args = values %vars;
		3321	@res = wantarray ? eval eval : scalar eval $eval;
		3322	}
2226		3323
2227	if ($@) {	3324	if ($@) {
2228	warn "$@";	3325	warn "$@",
2229	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
2231	}	3328	}
2232		3329
2233	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
2234	}	3331	}
2235		3332
…		…
2249	=cut	3346	=cut
2250		3347
2251	sub register_script_function {	3348	sub register_script_function {
2252	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
2253		3350
2254	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
2256	}	3353	}
2257		3354
2258	=back	3355	=back
2259		3356
2260	=cut	3357	=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		3358
2334	#############################################################################	3359	#############################################################################
2335	# the server's init and main functions	3360	# the server's init and main functions
2336		3361
		3362	# async inc loader. yay.
		3363	sub inc_loader {
		3364	my $mod = $_[1];
		3365
		3366	if (in_main && !tick_inhibit) {
		3367	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3368	} else {
		3369	debug "loading perl module $mod\n";
		3370	}
		3371
		3372	# 1. find real file
		3373	for my $dir (@ORIG_INC) {
		3374	ref $dir and next;
		3375	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3376	or next;
		3377
		3378	$data = "#line 1 $dir/$mod\n$data";
		3379
		3380	open my $fh, "<", \$data or die;
		3381
		3382	return $fh;
		3383	}
		3384
		3385	()
		3386	}
		3387
		3388	sub init_inc {
		3389	# save original @INC
		3390	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3391
		3392	# make sure we can do scalar-opens
		3393	open my $dummy, "<", \my $dummy2;
		3394
		3395	# execute some stuff so perl load's some of the core modules
		3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
		3398
		3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3400
		3401	debug "module loading will be asynchronous from this point on.";
		3402	}
		3403
2337	sub load_facedata($) {	3404	sub load_facedata($) {
2338	my ($path) = @_;	3405	my ($path) = @_;
2339		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2340	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2341		3414
2342	my $facedata;	3415	my $facedata;
2343	0 < aio_load $path, $facedata	3416	0 < aio_load $path, $facedata
2344	or die "$path: $!";	3417	or die "$path: $!";
2345		3418
2346	$facedata = Coro::Storable::thaw $facedata;	3419	$facedata = Coro::Storable::thaw $facedata;
2347		3420
2348	$facedata->{version} == 2	3421	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
2351	{	3433	{
2352	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2353		3435
2354	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3443
		3444	cf::cede_to_tick;
2360	}	3445	}
2361		3446
2362	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2364	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2365	or next;	3451	or next;
		3452
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3456	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3458	}
2371	Coro::cede;	3459
		3460	cf::cede_to_tick;
2372	}	3461	}
2373	}	3462	}
2374		3463
2375	{	3464	{
2376	my $anims = $facedata->{animinfo};	3465	my $anims = $facedata->{animinfo};
2377		3466
2378	while (my ($anim, $info) = each %$anims) {	3467	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3469	cf::cede_to_tick;
2381	}	3470	}
2382		3471
2383	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2384	}	3473	}
2385		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
2386	1	3494	1
2387	}	3495	}
2388		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
		3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
		3520	load_resource_file "$MAPDIR/regions"
		3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
		3527	}
		3528
2389	sub reload_facedata {	3529	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3530	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	3531	or die "unable to load facedata\n";
2392	}	3532	}
2393		3533
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3534	sub reload_archetypes {
2400	load_resource_file sprintf "%s/archetypes", cf::datadir	3535	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3536	or die "unable to load archetypes\n";
2402	}	3537	}
2403		3538
2404	sub reload_treasures {	3539	sub reload_treasures {
2405	load_resource_file sprintf "%s/treasures", cf::datadir	3540	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
2407	}	3542	}
2408		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2409	sub reload_resources {	3567	sub reload_resources {
2410	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
2411		3569
		3570	reload_facedata;
		3571	reload_sound;
		3572	reload_archetypes;
2412	reload_regions;	3573	reload_regions;
2413	reload_facedata;
2414	reload_archetypes;
2415	reload_treasures;	3574	reload_treasures;
2416		3575
2417	warn "finished reloading resource files\n";	3576	trace "finished reloading resource files\n";
2418	}	3577	}
2419		3578
2420	sub init {	3579	sub reload_config {
2421	reload_resources;	3580	trace "reloading config file...\n";
2422	}
2423		3581
2424	sub cfg_load {
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
2426	or return;	3583	or return;
2427		3584
2428	local $/;	3585	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
2430		3587
2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2432		3589
2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3590	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3591	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2435		3592
2436	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
2438	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2439	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
2440	};	3597	};
2441	warn $@ if $@;	3598	warn $@ if $@;
2442	}	3599	}
		3600
		3601	trace "finished reloading resource files\n";
		3602	}
		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
2443	}	3630	}
2444		3631
2445	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2446	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3645	(async {
2450	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2452	};	3649	};
2453		3650
2454	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	init_inc;
		3655
		3656	cf::init_experience;
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662	cf::load_materials;
		3663
		3664	reload_resources;
		3665	reload_config;
2455	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2456	load_extensions;	3676	load_extensions;
2457		3677
2458	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2459	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	(pop @POST_INIT)->(0) while @POST_INIT;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2460	}	3696	}
2461		3697
2462	#############################################################################	3698	#############################################################################
2463	# initialisation and cleanup	3699	# initialisation and cleanup
2464		3700
2465	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2466	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2469	reentrant => 0,
2470	data => WF_AUTOCANCEL,
2471	signal => $signal,
2472	prio => 0,
2473	cb => sub {
2474	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2475	},
2476	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2477	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2478	}	3797	}
2479		3798
2480	sub emergency_save() {	3799	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2482		3801
2483	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2484		3808
2485	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2486	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2487	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2488	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2490	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	3820	$pl->save;
2494	}	3821	}
2495	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2496		3823
2497	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2498	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2499	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2500	$map->valid or next;	3829	$map->valid or next;
2501	$map->save;	3830	$map->save;
2502	}	3831	}
2503	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2504		3833
2505	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
2506	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2507	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2508	};	3862	};
2509		3863
2510	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2511	}	3865	}
2512		3866
2513	sub post_cleanup {	3867	sub post_cleanup {
2514	my ($make_core) = @_;	3868	my ($make_core) = @_;
2515		3869
		3870	IO::AIO::flush;
		3871
2516	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
2517	if $make_core;	3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
2518	}	3902	}
2519		3903
2520	sub do_reload_perl() {	3904	sub do_reload_perl() {
2521	# can/must only be called in main	3905	# can/must only be called in main
2522	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
2523	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2524	return;	3908	return;
2525	}	3909	}
2526		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
2527	warn "reloading...";	3916	info "reloading...";
2528		3917
2529	warn "entering sync_job";	3918	trace "entering sync_job";
2530		3919
2531	cf::sync_job {	3920	cf::sync_job {
2532	cf::write_runtime; # external watchdog should not bark
2533	cf::emergency_save;	3921	cf::emergency_save;
2534	cf::write_runtime; # external watchdog should not bark
2535		3922
2536	warn "syncing database to disk";
2537	BDB::db_env_txn_checkpoint $DB_ENV;
2538
2539	# if anything goes wrong in here, we should simply crash as we already saved
2540
2541	warn "cancelling all WF_AUTOCANCEL watchers";
2542	for (Event::all_watchers) {
2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2544	}
2545
2546	warn "flushing outstanding aio requests";
2547	for (;;) {
2548	BDB::flush;
2549	IO::AIO::flush;
2550	Coro::cede;
2551	last unless IO::AIO::nreqs || BDB::nreqs;
2552	warn "iterate...";
2553	}
2554
2555	++$RELOAD;
2556
2557	warn "cancelling all extension coros";	3923	trace "cancelling all extension coros";
2558	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2559	%EXT_CORO = ();	3925	%EXT_CORO = ();
2560		3926
2561	warn "removing commands";	3927	trace "removing commands";
2562	%COMMAND = ();	3928	%COMMAND = ();
2563		3929
2564	warn "removing ext commands";	3930	trace "removing ext/exti commands";
2565	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2566		3933
2567	warn "unloading/nuking all extensions";	3934	trace "unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2570		3937
2571	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2572	eval {	3939	eval {
2573	$cb->($pkg);	3940	$cb->($pkg);
2574	1	3941	1
2575	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2576	}	3947	}
2577		3948
2578	warn "... nuking $pkg";
2579	Symbol::delete_package $pkg;
2580	}
2581
2582	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "unloading all perl modules loaded from $LIBDIR";
2583	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2585		3952
2586	warn "... unloading $k";	3953	trace "... unloading $k";
2587	delete $INC{$k};	3954	delete $INC{$k};
2588		3955
2589	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2590	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2591		3958
2592	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2593	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2594	}	3964	}
2595		3965
2596	Symbol::delete_package $k;
2597	}
2598
2599	warn "getting rid of safe::, as good as possible";	3966	trace "getting rid of safe::, as good as possible";
2600	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		3969
2603	warn "unloading cf.pm \"a bit\"";	3970	trace "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
		3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2605		3973
2606	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3975	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2609		3977
2610	warn "unload completed, starting to reload now";	3978	info "unload completed, starting to reload now";
2611		3979
2612	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
2613	require cf;	3981	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2615		3983
2616	warn "loading config and database again";	3984	trace "loading config and database again";
2617	cf::cfg_load;	3985	cf::reload_config;
2618		3986
2619	warn "loading extensions";	3987	trace "loading extensions";
2620	cf::load_extensions;	3988	cf::load_extensions;
2621		3989
		3990	if ($REATTACH_ON_RELOAD) {
2622	warn "reattaching attachments to objects/players";	3991	trace "reattaching attachments to objects/players";
2623	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
2624	warn "reattaching attachments to maps";	3993	trace "reattaching attachments to maps";
2625	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
2626	warn "reattaching attachments to players";	3995	trace "reattaching attachments to players";
2627	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
2628		3998
		3999	trace "running post_init jobs";
		4000	(pop @POST_INIT)->(1) while @POST_INIT;
		4001
2629	warn "leaving sync_job";	4002	trace "leaving sync_job";
2630		4003
2631	1	4004	1
2632	} or do {	4005	} or do {
2633	warn $@;	4006	error $@;
2634	warn "error while reloading, exiting.";	4007	cf::cleanup "error while reloading, exiting.";
2635	exit 1;	4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
2636	};	4012	}
2637		4013
2638	warn "reloaded";	4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
2639	};	4016	};
2640		4017
2641	our $RELOAD_WATCHER; # used only during reload	4018	our $RELOAD_WATCHER; # used only during reload
2642		4019
2643	sub reload_perl() {	4020	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	4021	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	4022	# coro crashes during coro_state_free->destroy here.
2646		4023
2647	$RELOAD_WATCHER ||= Event->timer (	4024	$RELOAD_WATCHER ||= cf::async {
2648	reentrant => 0,	4025	Coro::AIO::aio_wait cache_extensions;
2649	after => 0,	4026
2650	data => WF_AUTOCANCEL,	4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2651	cb => sub {
2652	do_reload_perl;	4028	do_reload_perl;
2653	undef $RELOAD_WATCHER;	4029	undef $RELOAD_WATCHER;
2654	},	4030	};
2655	);	4031	};
2656	}	4032	}
2657		4033
2658	register_command "reload" => sub {	4034	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
2660		4036
2661	if ($who->flag (FLAG_WIZ)) {	4037	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	4038	$who->message ("reloading server.");
		4039	async {
		4040	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	4041	reload_perl;
		4042	};
2664	}	4043	}
2665	};	4044	};
2666		4045
2667	unshift @INC, $LIBDIR;	4046	#############################################################################
2668		4047
2669	my $bug_warning = 0;	4048	my $bug_warning = 0;
2670		4049
2671	our @WAIT_FOR_TICK;	4050	our @WAIT_FOR_TICK;
2672	our @WAIT_FOR_TICK_BEGIN;	4051	our @WAIT_FOR_TICK_BEGIN;
2673		4052
2674	sub wait_for_tick {	4053	sub wait_for_tick {
2675	return unless $TICK_WATCHER->is_active;
2676	return if $Coro::current == $Coro::main;	4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2677		4055
2678	my $signal = new Coro::Signal;	4056	my $signal = new Coro::Signal;
2679	push @WAIT_FOR_TICK, $signal;	4057	push @WAIT_FOR_TICK, $signal;
2680	$signal->wait;	4058	$signal->wait;
2681	}	4059	}
2682		4060
2683	sub wait_for_tick_begin {	4061	sub wait_for_tick_begin {
2684	return unless $TICK_WATCHER->is_active;
2685	return if $Coro::current == $Coro::main;	4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2686		4063
2687	my $signal = new Coro::Signal;	4064	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	4065	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	4066	$signal->wait;
2690	}	4067	}
2691		4068
2692	$TICK_WATCHER = Event->timer (	4069	sub tick {
2693	reentrant => 0,
2694	parked => 1,
2695	prio => 0,
2696	at => $NEXT_TICK || $TICK,
2697	data => WF_AUTOCANCEL,
2698	cb => sub {
2699	if ($Coro::current != $Coro::main) {	4070	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4071	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	4072	unless ++$bug_warning > 10;
2702	return;	4073	return;
2703	}	4074	}
2704		4075
2705	$NOW = Event::time;
2706
2707	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
2708		4077
2709	$RUNTIME += $TICK;	4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2710	$NEXT_TICK += $TICK;
2711		4079
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2714	Coro::async_pool {	4082	Coro::async_pool {
		4083	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	4084	write_runtime_sync
2716	or warn "ERROR: unable to write runtime file: $!";	4085	or error "ERROR: unable to write runtime file: $!";
2717	};
2718	}	4086	};
		4087	}
2719		4088
2720	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#
2722
2723	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2725
2726	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;
2728
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	4090	$sig->send;
2731	}	4091	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {	4092	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;	4093	$sig->send;
2734	}
2735
2736	_post_tick;
2737	},	4094	}
2738	);	4095
		4096	$LOAD = ($NOW - $TICK_START) / $TICK;
		4097	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4098
		4099	if (0) {
		4100	if ($NEXT_TICK) {
		4101	my $jitter = $TICK_START - $NEXT_TICK;
		4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4103	debug "jitter $JITTER\n";#d#
		4104	}
		4105	}
		4106	}
2739		4107
2740	{	4108	{
2741	BDB::max_poll_time $TICK * 0.1;	4109	# configure BDB
2742	$BDB_POLL_WATCHER = Event->io (	4110
2743	reentrant => 0,
2744	fd => BDB::poll_fileno,
2745	poll => 'r',
2746	prio => 0,
2747	data => WF_AUTOCANCEL,
2748	cb => \&BDB::poll_cb,
2749	);
2750	BDB::min_parallel 8;	4111	BDB::min_parallel 16;
2751		4112	BDB::max_poll_reqs $TICK * 0.1;
2752	BDB::set_sync_prepare {	4113	$AnyEvent::BDB::WATCHER->priority (1);
2753	my $status;
2754	my $current = $Coro::current;
2755	(
2756	sub {
2757	$status = $!;
2758	$current->ready; undef $current;
2759	},
2760	sub {
2761	Coro::schedule while defined $current;
2762	$! = $status;
2763	},
2764	)
2765	};
2766		4114
2767	unless ($DB_ENV) {	4115	unless ($DB_ENV) {
2768	$DB_ENV = BDB::db_env_create;	4116	$DB_ENV = BDB::db_env_create;
		4117	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4118	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4119	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4120	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4121	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769		4122
2770	cf::sync_job {	4123	cf::sync_job {
2771	eval {	4124	eval {
2772	BDB::db_env_open	4125	BDB::db_env_open
2773	$DB_ENV,	4126	$DB_ENV,
2774	$BDB_ENV_DIR,	4127	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4128	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4129	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	4130	0666;
2778		4131
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4132	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;
2783	};	4133	};
2784		4134
2785	cf::cleanup "db_env_open(db): $@" if $@;	4135	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	4136	};
2787	}	4137	}
		4138
		4139	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4140	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4141	};
		4142	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4143	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4144	};
		4145	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4146	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4147	};
2788	}	4148	}
2789		4149
2790	{	4150	{
		4151	# configure IO::AIO
		4152
2791	IO::AIO::min_parallel 8;	4153	IO::AIO::min_parallel 8;
2792
2793	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	4154	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	4155	undef $AnyEvent::AIO::WATCHER;
2796	reentrant => 0,
2797	data => WF_AUTOCANCEL,
2798	fd => IO::AIO::poll_fileno,
2799	poll => 'r',
2800	prio => 6,
2801	cb => \&IO::AIO::poll_cb,
2802	);
2803	}	4156	}
		4157
		4158	my $_log_backtrace;
		4159
		4160	sub _log_backtrace {
		4161	my ($msg, @addr) = @_;
		4162
		4163	$msg =~ s/\n//;
		4164
		4165	# limit the # of concurrent backtraces
		4166	if ($_log_backtrace < 2) {
		4167	++$_log_backtrace;
		4168	my $perl_bt = Carp::longmess $msg;
		4169	async {
		4170	$Coro::current->{desc} = "abt $msg";
		4171
		4172	my @bt = fork_call {
		4173	@addr = map { sprintf "%x", $_ } @addr;
		4174	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4175	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4176	or die "addr2line: $!";
		4177
		4178	my @funcs;
		4179	my @res = <$fh>;
		4180	chomp for @res;
		4181	while (@res) {
		4182	my ($func, $line) = splice @res, 0, 2, ();
		4183	push @funcs, "[$func] $line";
		4184	}
		4185
		4186	@funcs
		4187	};
		4188
		4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4191	LOG llevInfo, "[ABT] $_\n" for @bt;
		4192	--$_log_backtrace;
		4193	};
		4194	} else {
		4195	LOG llevInfo, "[ABT] $msg\n";
		4196	LOG llevInfo, "[ABT] [suppressed]\n";
		4197	}
		4198	}
		4199
		4200	# load additional modules
		4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
2804		4203
2805	END { cf::emergency_save }	4204	END { cf::emergency_save }
2806		4205
2807	1	4206	1
2808		4207

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