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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.240 by root, Mon Apr 16 10:14:25 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
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
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
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 incloader);
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 thread
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	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
144	=back	258	=back
145		259
146	=cut	260	=cut
147		261
148	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
149	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
150	my $msg = join "", @_;	269	my $msg = join "", @_;
151	utf8::encode $msg;
152		270
153	$msg .= "\n"	271	$msg .= "\n"
154	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
155		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
156	LOG llevError, $msg;	276	LOG llevWarn, $msg;
157	};	277	};
158	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
159		292
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		300
167	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	302	# within the Safe compartment.
169	for my $pkg (qw(	303	for my $pkg (qw(
170	cf::global cf::attachable	304	cf::global cf::attachable
171	cf::object cf::object::player	305	cf::object cf::object::player
172	cf::client cf::player	306	cf::client cf::player
173	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
174	cf::map cf::party cf::region	309	cf::party cf::region
175	)) {	310	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	312	}
179		313
180	$Event::DIED = sub {	314	$EV::DIED = sub {
181	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
182	};	316	};
		317
		318	#############################################################################
183		319
184	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
185		321
186	=over 4	322	=over 4
187		323
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	343	$d
208	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
209	}	345	}
210		346
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
214		348
215	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
216		350
217	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
218		352
219	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
220		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
		375
221	=item cf::lock_wait $string	376	=item cf::lock_wait $string
222		377
223	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
224		379
225	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
226		381
227	Wait until the given lock is available and then acquires it and returns	382	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,	383	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	384	for example when the coroutine gets canceled), the lock is automatically
230	returned.	385	returned.
231		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
232	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
234		392
235	=cut	393	=item $locked = cf::lock_active $string
236		394
237	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
238		400
239	sub lock_wait($) {	401	sub lock_wait($) {
240	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	403	}
248		404
249	sub lock_acquire($) {	405	sub lock_acquire($) {
250	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
251		408
252	# wait, to be sure we are not locked	409	sub lock_active($) {
253	lock_wait $key;	410	$LOCKS->count ($_[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	}	411	}
262		412
263	sub freeze_mainloop {	413	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
265		415
266	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
268	};	483	}
269	$TICK_WATCHER->stop;	484	};
270	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
271	}	499	}
272		500
273	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
274		502
275	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		508
281	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
282		510
283	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
284		512
285	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
288		517
289	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
292	fast or be very important.	521	fast or be very important.
…		…
294	=cut	523	=cut
295		524
296	sub sync_job(&) {	525	sub sync_job(&) {
297	my ($job) = @_;	526	my ($job) = @_;
298		527
299	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
300	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
302		533
303	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	535
305	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
306		537
307	my $busy = 1;	538	my $busy = 1;
308	my @res;	539	my @res;
309		540
310	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	543	@res = eval { $job->() };
312	warn $@ if $@;	544	error $@ if $@;
313	undef $busy;	545	undef $busy;
314	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
315		547
316	while ($busy) {	548	while ($busy) {
317	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
318	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
319		559
320	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
321	} else {	561	} else {
322	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
323		563
…		…
343	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
344		584
345	$coro	585	$coro
346	}	586	}
347		587
348	sub write_runtime {	588	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		589
351	my $runtime = cf::localdir . "/runtime";	590	Executes the given code block with the given arguments in a seperate
		591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
352		594
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	=cut
354	or return;
355		596
356	my $value = $cf::RUNTIME + 90 + 10;	597	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	598	reset_signals;
358	# 60 allows for the watchdog to kill the server.	599	}
359		600
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	601	sub fork_call(&@) {
361	and return;	602	my ($cb, @args) = @_;
362		603
363	# always fsync - this file is important	604	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	605	# otherwise perl prematurely frees the stuff :/
365	and return;	606	# TODO: investigate and fix (likely this will be rather laborious)
366		607
367	close $fh	608	my @res = Coro::Util::fork_eval {
368	or return;	609	cf::post_fork;
		610	&$cb
		611	}, @args;
369		612
370	aio_rename "$runtime~", $runtime	613	wantarray ? @res : $res[-1]
371	and return;	614	}
372		615
		616	sub objinfo {
373	1	617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
		652	}
		653
		654	=item $value = cf::db_get $family => $key
		655
		656	Returns a single value from the environment database.
		657
		658	=item cf::db_put $family => $key => $value
		659
		660	Stores the given C<$value> in the family. It can currently store binary
		661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
		668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
		689
		690	our $DB;
		691
		692	sub db_init {
		693	$DB ||= db_table "db";
		694	}
		695
		696	sub db_get($$) {
		697	my $key = "$_[0]/$_[1]";
		698
		699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
		702	BDB::db_get $DB, undef, $key, my $data;
		703
		704	$! ? ()
		705	: $data
		706	}
		707
		708	sub db_put($$$) {
		709	BDB::dbreq_pri 4;
		710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		711	}
		712
		713	=item cf::cache $id => [$paths...], $processversion => $process
		714
		715	Generic caching function that returns the value of the resource $id,
		716	caching and regenerating as required.
		717
		718	This function can block.
		719
		720	=cut
		721
		722	sub cache {
		723	my ($id, $src, $processversion, $process) = @_;
		724
		725	my $meta =
		726	join "\x00",
		727	$processversion,
		728	map {
		729	aio_stat $_
		730	and Carp::croak "$_: $!";
		731
		732	($_, (stat _)[7,9])
		733	} @$src;
		734
		735	my $dbmeta = db_get cache => "$id/meta";
		736	if ($dbmeta ne $meta) {
		737	# changed, we may need to process
		738
		739	my @data;
		740	my $md5;
		741
		742	for (0 .. $#$src) {
		743	0 <= aio_load $src->[$_], $data[$_]
		744	or Carp::croak "$src->[$_]: $!";
		745	}
		746
		747	# if processing is expensive, check
		748	# checksum first
		749	if (1) {
		750	$md5 =
		751	join "\x00",
		752	$processversion,
		753	map {
		754	cf::cede_to_tick;
		755	($src->[$_], Digest::MD5::md5_hex $data[$_])
		756	} 0.. $#$src;
		757
		758
		759	my $dbmd5 = db_get cache => "$id/md5";
		760	if ($dbmd5 eq $md5) {
		761	db_put cache => "$id/meta", $meta;
		762
		763	return db_get cache => "$id/data";
		764	}
		765	}
		766
		767	my $t1 = Time::HiRes::time;
		768	my $data = $process->(\@data);
		769	my $t2 = Time::HiRes::time;
		770
		771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		772
		773	db_put cache => "$id/data", $data;
		774	db_put cache => "$id/md5" , $md5;
		775	db_put cache => "$id/meta", $meta;
		776
		777	return $data;
		778	}
		779
		780	db_get cache => "$id/data"
374	}	781	}
375		782
376	=item cf::datalog type => key => value, ...	783	=item cf::datalog type => key => value, ...
377		784
378	Log a datalog packet of the given type with the given key-value pairs.	785	Log a datalog packet of the given type with the given key-value pairs.
379		786
380	=cut	787	=cut
381		788
382	sub datalog($@) {	789	sub datalog($@) {
383	my ($type, %kv) = @_;	790	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	792	}
386		793
387	=back	794	=back
388		795
389	=cut	796	=cut
390		797
391	#############################################################################	798	#############################################################################
392		799
393	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
394		801
395	Many objects in crossfire are so-called attachable objects. That means you can	802	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")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
398		805
399	In the following description, CLASS can be any of C<global>, C<object>	806	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	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	808	Deliantra).
402		809
403	=over 4	810	=over 4
404		811
405	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
406		813
…		…
450	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
451		858
452	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
454		861
455	Some classes such as crossfire maps and objects can specify attachments	862	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.	863	that are attached at load/instantiate time, thus the need for a name.
457		864
458	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
459		866
460	=over 4	867	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	976	$registry = $CB_TYPE[$object_type] ||= [];
570		977
571	} elsif ($type eq "subtype") {	978	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	979	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	980	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	981	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		982
576	} elsif ($type eq "package") {	983	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	984	my $pkg = shift @arg;
578		985
579	while (my ($name, $id) = each %cb_id) {	986	while (my ($name, $id) = each %cb_id) {
…		…
584		991
585	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		994
588	} elsif (ref $type) {	995	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
590		997
591	} else {	998	} else {
592	shift @arg;	999	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
594	}	1001	}
595	}	1002	}
596	}	1003	}
597		1004
598	sub _object_attach {	1005	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
609	}	1016	}
610		1017
611	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
612	} else {	1019	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1021	}
615		1022
616	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
617	}	1024	}
618		1025
…		…
620	if (ref $_[0]) {	1027	if (ref $_[0]) {
621	_object_attach @_;	1028	_object_attach @_;
622	} else {	1029	} else {
623	_attach shift->_attach_registry, @_;	1030	_attach shift->_attach_registry, @_;
624	}	1031	}
		1032	_recalc_want;
625	};	1033	};
626		1034
627	# all those should be optimised	1035	# all those should be optimised
628	sub cf::attachable::detach {	1036	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1037	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1040	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1041	reattach ($obj);
634	} else {	1042	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1043	Carp::croak "cannot, currently, detach class attachments";
636	}	1044	}
		1045	_recalc_want;
637	};	1046	};
638		1047
639	sub cf::attachable::attached {	1048	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
641		1050
…		…
656	";	1065	";
657	die if $@;	1066	die if $@;
658	}	1067	}
659		1068
660	our $override;	1069	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1071
663	sub override {	1072	sub override {
664	$override = 1;	1073	$override = 1;
665	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
666	}	1075	}
667		1076
668	sub do_invoke {	1077	sub do_invoke {
669	my $event = shift;	1078	my $event = shift;
670	my $callbacks = shift;	1079	my $callbacks = shift;
671		1080
672	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
673		1082
674	local $override;	1083	local $override;
675		1084
676	for (@$callbacks) {	1085	for (@$callbacks) {
677	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
678		1087
679	if ($@) {	1088	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1090	override;
683	}	1091	}
684		1092
685	return 1 if $override;	1093	return 1 if $override;
686	}	1094	}
687		1095
688	0	1096	0
689	}	1097	}
690		1098
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1100
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1102
695	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
696		1104
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	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	1106	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1108
701	=back	1109	=back
702		1110
703	=cut	1111	=cut
704		1112
705	#############################################################################	1113	#############################################################################
706	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
707		1157
708	sub reattach {	1158	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1160	my ($obj) = @_;
711		1161
		1162	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1164
714	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
715		1166
716	@$registry = ();	1167	@$registry = ();
717		1168
…		…
722	for (@$attach) {	1173	for (@$attach) {
723	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
725	}	1176	}
726	} else {	1177	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1179	}
729	}	1180	}
730	}	1181	}
731		1182
732	cf::attachable->attach (	1183	cf::attachable->attach (
733	prio => -1000000,	1184	prio => -1000000,
734	on_instantiate => sub {	1185	on_instantiate => sub {
735	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
736		1187
737	$data = from_json $data;	1188	$data = decode_json $data;
738		1189
739	for (@$data) {	1190	for (@$data) {
740	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
741		1192
742	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1209	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
760		1211
761	sync_job {	1212	sync_job {
762	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
765		1218
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
770	close $fh;	1226	aio_close $fh;
771		1227
772	if (@$objs) {	1228	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1233	if ($cf::USE_FSYNC) {
		1234	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;
		1235	aio_fsync $fh;
		1236	}
778	close $fh;	1237	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
780	}	1239	}
781	} else {	1240	} else {
782	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
783	}	1242	}
784		1243
785	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1248	} else {
787	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
788	}	1250	}
789	} else {	1251	} else {
790	aio_unlink $filename;	1252	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
792	}	1254	}
793	}	1255	};
794	}	1256	}
795		1257
796	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
798		1260
…		…
810	or return;	1272	or return;
811		1273
812	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
814	or return;	1276	or return;
		1277
815	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
816	}	1280	}
817		1281
		1282	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
820	return ($data, $av);	1287	($data, $av)
821	}	1288	}
		1289
		1290	=head2 COMMAND CALLBACKS
		1291
		1292	=over 4
		1293
		1294	=cut
822		1295
823	#############################################################################	1296	#############################################################################
824	# command handling &c	1297	# command handling &c
825		1298
826	=item cf::register_command $name => \&callback($ob,$args);	1299	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1313	}
841		1314
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1316
844	Register a callbackf ro execution when the client sends an extcmd packet.	1317	Register a callback for execution when the client sends an (synchronous)
		1318	extcmd packet. Ext commands will be processed in the order they are
		1319	received by the server, like other user commands. The first argument is
		1320	the logged-in player. Ext commands can only be processed after a player
		1321	has logged in successfully.
845		1322
846	If the callback returns something, it is sent back as if reply was being	1323	If the callback returns something, it is sent back as if reply was being
847	called.	1324	called.
848		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
849	=cut	1337	=cut
850		1338
851	sub register_extcmd {	1339	sub register_extcmd {
852	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
853		1341
854	$EXTCMD{$name} = $cb;	1342	$EXTCMD{$name} = $cb;
855	}	1343	}
856		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
		1352
857	cf::player->attach (	1353	cf::player->attach (
858	on_command => sub {	1354	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
860		1356
861	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
862	or return;	1358	or return;
863		1359
…		…
868	cf::override;	1364	cf::override;
869	},	1365	},
870	on_extcmd => sub {	1366	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
872		1368
873	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1370
875	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
881	} else {	1386	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1388	}
884		1389
885	cf::override;	1390	cf::override;
886	},	1391	},
887	);	1392	);
888		1393
		1394	# "readahead" all extensions
889	sub load_extension {	1395	sub cache_extensions {
890	my ($path) = @_;	1396	my $grp = IO::AIO::aio_group;
891		1397
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1399	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1400	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	}	1401	}
917	die $@;
918	}	1402	};
919		1403
920	push @EXTS, $pkg;	1404	$grp
921	}	1405	}
922		1406
923	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
		1410	cf::sync_job {
		1411	my %todo;
		1412
924	for my $ext (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1414	next unless -r $path;
926	eval {	1415
927	load_extension $ext;	1416	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1417	my $base = $1;
		1418	my $pkg = $1;
		1419	$pkg =~ s/[^[:word:]]/_/g;
		1420	$pkg = "ext::$pkg";
		1421
		1422	open my $fh, "<:utf8", $path
		1423	or die "$path: $!";
		1424
		1425	my $source = do { local $/; <$fh> };
		1426
		1427	my %ext = (
		1428	path => $path,
		1429	base => $base,
		1430	pkg => $pkg,
		1431	);
		1432
		1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1435
		1436	$ext{source} =
		1437	"package $pkg; use common::sense;\n"
		1438	. "#line 1 \"$path\"\n{\n"
		1439	. $source
		1440	. "\n};\n1";
		1441
		1442	$todo{$base} = \%ext;
		1443	}
		1444
		1445	my $pass = 0;
		1446	my %done;
		1447	while (%todo) {
		1448	my $progress;
		1449
		1450	++$pass;
		1451
		1452	ext:
		1453	while (my ($k, $v) = each %todo) {
		1454	for (split /,\s*/, $v->{meta}{depends}) {
		1455	next ext
		1456	unless exists $done{$_};
		1457	}
		1458
		1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1460
		1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
		1464	error "$v->{path}: $@\n";
		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1467	if exists $v->{meta}{mandatory};
		1468
		1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1470	delete $todo{$k};
		1471	} else {
		1472	$done{$k} = delete $todo{$k};
		1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
		1478	}
928	1	1479	}
929	} or warn "$ext not loaded: $@";	1480
		1481	unless ($progress) {
		1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
		1489	}
930	}	1490	};
931	}	1491	}
932		1492
933	#############################################################################	1493	#############################################################################
934		1494
		1495	=back
		1496
935	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
936		1498
937	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
938		1500
939	=cut	1501	=cut
940		1502
941	package cf::player;	1503	package cf::player;
942		1504
…		…
944		1506
945	=head3 cf::player	1507	=head3 cf::player
946		1508
947	=over 4	1509	=over 4
948		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
		1524
949	=item cf::player::find $login	1525	=item cf::player::find $login
950		1526
951	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
952		1528
953	=cut	1529	=cut
954		1530
955	sub playerdir($) {	1531	sub playerdir($) {
956	cf::localdir	1532	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1533	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1534	}
962		1535
963	sub path($) {	1536	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1537	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1547
975	sub exists($) {	1548	sub exists($) {
976	my ($login) = @_;	1549	my ($login) = @_;
977		1550
978	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
980	}	1553	}
981		1554
982	sub find($) {	1555	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1557	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1567	aio_unlink +(playerdir $login) . "/$login.pl";
995		1568
996	my $pl = load_pl path $login	1569	my $f = new_from_file cf::object::thawer path $login
997	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
999	}	1578	}
1000	}	1579	}
1001	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
1002		1594
1003	sub save($) {	1595	sub save($) {
1004	my ($pl) = @_;	1596	my ($pl) = @_;
1005		1597
1006	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1012		1604
1013	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1015		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1016	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1017	Coro::cede;	1614	cf::cede_to_tick;
1018	}	1615	}
1019		1616
1020	sub new($) {	1617	sub new($) {
1021	my ($login) = @_;	1618	my ($login) = @_;
1022		1619
…		…
1028	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1029		1626
1030	$self	1627	$self
1031	}	1628	}
1032		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1033	=item $pl->quit_character	1640	=item $pl->quit_character
1034		1641
1035	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1037		1644
…		…
1041	my ($pl) = @_;	1648	my ($pl) = @_;
1042		1649
1043	my $name = $pl->ob->name;	1650	my $name = $pl->ob->name;
1044		1651
1045	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1654
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1052		1663
1053	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1695	while and may block, so not sync_job-capable, ever.
1085		1696
1086	=cut	1697	=cut
1087		1698
1088	sub list_logins {	1699	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1700	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1701	or return [];
1091		1702
1092	my @logins;	1703	my @logins;
1093		1704
1094	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1098		1715
1099	utf8::decode $login;	1716	utf8::decode $login;
1100	push @logins, $login;	1717	push @logins, $login;
1101	}	1718	}
1102		1719
1103	\@logins	1720	\@logins
1104	}	1721	}
1105		1722
1106	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1107		1726
1108	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1109	player. May block.	1728	player. May block.
1110		1729
1111	=cut	1730	=cut
…		…
1129	}	1748	}
1130		1749
1131	\@paths	1750	\@paths
1132	}	1751	}
1133		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1134	=item $player->ext_reply ($msgid, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1135		1758
1136	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1137		1760
1138	=cut	1761	=cut
1139		1762
1140	sub ext_reply($$%) {	1763	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1142		1765
1143	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1767	}
1147		1768
1148	=item $player->ext_event ($type, %msg)	1769	=item $player->ext_msg ($type, @msg)
1149		1770
1150	Sends an ext event to the client.	1771	Sends an ext event to the client.
1151		1772
1152	=cut	1773	=cut
1153		1774
1154	sub ext_event($$%) {	1775	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1776	my ($self, $type, @msg) = @_;
1156		1777
1157	$self->ns->ext_event ($type, %msg);	1778	$self->ns->ext_msg ($type, @msg);
1158	}	1779	}
1159		1780
1160	=head3 cf::region	1781	=head3 cf::region
1161		1782
1162	=over 4	1783	=over 4
…		…
1165		1786
1166	package cf::region;	1787	package cf::region;
1167		1788
1168	=item cf::region::find_by_path $path	1789	=item cf::region::find_by_path $path
1169		1790
1170	Tries to decuce the probable region for a map knowing only its path.	1791	Tries to decuce the likely region for a map knowing only its path.
1171		1792
1172	=cut	1793	=cut
1173		1794
1174	sub find_by_path($) {	1795	sub find_by_path($) {
1175	my ($path) = @_;	1796	my ($path) = @_;
1176		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
1177	my ($match, $specificity);	1800	my ($match, $specificity);
1178		1801
1179	for my $region (list) {	1802	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1803	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1804	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1805	if $region->specificity > $specificity;
1183	}	1806	}
1184	}	1807	}
1185		1808
…		…
1206	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1208		1831
1209	sub generate_random_map {	1832	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1836
1211	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1838	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1234		1860
1235	sub register {	1861	sub register {
1236	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1863	my $pkg = caller;
1238		1864
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1866
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1868	}
1244		1869
1245	# also paths starting with '/'	1870	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1872
1248	sub thawer_merge {	1873	sub thawer_merge {
1249	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1250		1875
1251	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
1252	local $self->{path};	1877	local $self->{path};
1253	local $self->{load_path};	1878	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1879
1257	$self->SUPER::thawer_merge ($merge);	1880	$self->SUPER::thawer_merge ($merge);
1258	}	1881	}
1259		1882
1260	sub normalise {	1883	sub normalise {
1261	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1262		1885
1263	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1264		1887
1265	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1266		1889
1267	# map plan:	1890	# map plan:
1268	#	1891	#
…		…
1307	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1308	return $self;	1931	return $self;
1309	}	1932	}
1310	}	1933	}
1311		1934
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	1936	()
1314	}	1937	}
1315		1938
1316	sub init {	1939	sub init {
1317	my ($self) = @_;	1940	my ($self) = @_;
…		…
1332		1955
1333	# the original (read-only) location	1956	# the original (read-only) location
1334	sub load_path {	1957	sub load_path {
1335	my ($self) = @_;	1958	my ($self) = @_;
1336		1959
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1960	"$MAPDIR/$self->{path}.map"
1338	}	1961	}
1339		1962
1340	# the temporary/swap location	1963	# the temporary/swap location
1341	sub save_path {	1964	sub save_path {
1342	my ($self) = @_;	1965	my ($self) = @_;
1343		1966
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1968	"$TMPDIR/$path.map"
1346	}	1969	}
1347		1970
1348	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1349	sub uniq_path {	1972	sub uniq_path {
1350	my ($self) = @_;	1973	my ($self) = @_;
1351		1974
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1976	"$UNIQUEDIR/$path"
1354	}	1977	}
1355		1978
1356	# and all this just because we cannot iterate over	1979	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1980	my ($self) = @_;
1360		1981
1361	$_->change_map_light ($change)	1982	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1983
		1984	$self->do_decay_objects;
1363	}	1985	}
1364		1986
1365	sub unlink_save {	1987	sub unlink_save {
1366	my ($self) = @_;	1988	my ($self) = @_;
1367		1989
…		…
1372		1994
1373	sub load_header_from($) {	1995	sub load_header_from($) {
1374	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1375		1997
1376	utf8::encode $path;	1998	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2000	or return;
		2001
		2002	$self->_load_header ($f)
		2003	or return;
		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
1382		2007
1383	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1384		2009
1385	1	2010	1
1386	}	2011	}
…		…
1425	$self->load_header_orig	2050	$self->load_header_orig
1426	or return;	2051	or return;
1427	$self->prepare_orig;	2052	$self->prepare_orig;
1428	}	2053	}
1429		2054
		2055	$self->{deny_reset} = 1
		2056	if $self->no_reset;
		2057
1430	$self->default_region (cf::region::find_by_path $self->{path})	2058	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2059	unless $self->default_region;
1432		2060
1433	1	2061	1
1434	}	2062	}
1435		2063
1436	sub find;	2064	sub find;
1437	sub find {	2065	sub find {
1438	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1439		2067
		2068	cf::cede_to_tick;
		2069
1440	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1441		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2074
1444	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1447	or return;	2077	or return;
1448		2078
1449	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1450		2080
1451	$map->load_header	2081	$map->load_header
1452	or return;	2082	or return;
1453		2083
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1457	$map->reset;	2089	$map->reset;
1458	undef $guard;
1459	return find $path;	2090	return find $path;
1460	}	2091	}
1461		2092
1462	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1463	}	2094	}
1464	}	2095	}
1465		2096
1466	sub pre_load { }	2097	sub pre_load { }
1467	sub post_load { }	2098	#sub post_load { } # XS
1468		2099
1469	sub load {	2100	sub load {
1470	my ($self) = @_;	2101	my ($self) = @_;
1471		2102
1472	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1473		2104
1474	my $path = $self->{path};	2105	my $path = $self->{path};
		2106
		2107	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1476		2109
		2110	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2112
1479	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1480		2114
1481	$self->alloc;	2115	$self->alloc;
1482		2116
1483	$self->pre_load;	2117	$self->pre_load;
1484	Coro::cede;	2118	cf::cede_to_tick;
1485		2119
1486	$self->_load_objects ($self->{load_path}, 1)	2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
		2122	$self->_load_objects ($f)
1487	or return;	2123	or return;
1488		2124
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1490	if delete $self->{load_original};	2126	if delete $self->{load_original};
1491		2127
1492	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2129	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2132	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1497	}	2136	}
1498	}	2137	}
1499		2138
1500	Coro::cede;	2139	$f->resolve_delayed_derefs;
		2140
		2141	cf::cede_to_tick;
1501	# now do the right thing for maps	2142	# now do the right thing for maps
1502	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	2144	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2145	unless $self->difficulty;
1513	Coro::cede;	2146	cf::cede_to_tick;
		2147
		2148	unless ($self->{deny_activate}) {
		2149	$self->decay_objects;
		2150	$self->fix_auto_apply;
		2151	$self->update_buttons;
		2152	cf::cede_to_tick;
1514	$self->activate;	2153	$self->activate;
1515	Coro::cede;	2154	}
		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
		2159	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2160	}
1517		2161
1518	$self->post_load;	2162	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2163	}
1523		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2168	sub customise_for {
1525	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1526		2170
1527	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2172	if $self->per_player;
1529		2173
		2174	# return find "?party/" . $ob->name . "/" . $self->{path}
		2175	# if $self->per_party;
		2176
1530	$self	2177	$self
1531	}	2178	}
1532		2179
1533	# find and load all maps in the 3x3 area around a map	2180	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2181	sub load_neighbours {
1535	my ($map) = @_;	2182	my ($map) = @_;
1536		2183
1537	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1538		2185
1539	for (0 .. 3) {	2186	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1541	or next;	2188	or next;
1542	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1543	or next;	2190	or next;
1544	$neigh->load;	2191	$neigh->load;
1545		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2197	}
1549		2198
1550	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1552	or next;	2202	or next;
1553	$neigh->load;	2203	$neigh->load;
1554	}	2204	}
1555	}	2205	}
1556		2206
1557	sub find_sync {	2207	sub find_sync {
1558	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1559		2209
1560	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1561	}	2214	}
1562		2215
1563	sub do_load_sync {	2216	sub do_load_sync {
1564	my ($map) = @_;	2217	my ($map) = @_;
1565		2218
1566	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1567	}	2223	}
1568		2224
1569	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1571		2227
1572	sub find_async {	2228	sub find_async {
1573	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1574		2230
1575	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1576		2232
1577	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2235	}
1580		2236
1581	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1582	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1583	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2244	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2245	$map->load if $v;
		2246	}
1588		2247
1589	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1590	}	2249	}
1591	}	2250	}
1592	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1593	};	2252	};
1594	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1595		2254
1596	()	2255	()
1597	}	2256	}
1598		2257
		2258	# common code, used by both ->save and ->swapout
1599	sub save {	2259	sub _save {
1600	my ($self) = @_;	2260	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2261
1604	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1605		2263
1606	return unless $self->dirty;	2264	return unless $self->dirty;
1607		2265
…		…
1613	return if $self->{deny_save};	2271	return if $self->{deny_save};
1614		2272
1615	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1616		2274
1617	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1619	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1620		2281
1621	if ($uniq) {	2282	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2285	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2287	}
1627	}	2288	}
1628		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1629	sub swap_out {	2298	sub swap_out {
1630	my ($self) = @_;	2299	my ($self) = @_;
1631		2300
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1637	return if $self->players;	2305	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1641	$self->clear;	2316	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2317	}
1644		2318
1645	sub reset_at {	2319	sub reset_at {
1646	my ($self) = @_;	2320	my ($self) = @_;
1647		2321
1648	# TODO: safety, remove and allow resettable per-player maps	2322	# 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};	2323	return 1e99 if $self->{deny_reset};
1651		2324
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2325	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2326	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2327
…		…
1665	my ($self) = @_;	2338	my ($self) = @_;
1666		2339
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2341
1669	return if $self->players;	2342	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2343
1672	warn "resetting map ", $self->path;#d#	2344	cf::trace "resetting map ", $self->path, "\n";
1673		2345
1674	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
1675		2347
1676	# need to save uniques path	2348	# need to save uniques path
1677	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2353	if $uniq;
1682	}	2354	}
1683		2355
1684	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1685		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2360	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2361
1690	$self->unlink_save;	2362	$self->unlink_save;
1691	$self->destroy;	2363	$self->destroy;
1692	}	2364	}
1693		2365
1694	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1695		2367
1696	sub nuke {	2368	sub nuke {
1697	my ($self) = @_;	2369	my ($self) = @_;
1698		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
1699	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
1700		2375
1701	$self->unlink_save;	2376	$self->unlink_save;
1702		2377
1703	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2383
1709	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
1710		2386
1711	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
		2388	}
		2389
		2390	=item $maps = cf::map::tmp_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	maps. May block.
		2394
		2395	=cut
		2396
		2397	sub tmp_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise $_
		2403	: ()
		2404	} @{ aio_readdir $TMPDIR or [] }
		2405	]
		2406	}
		2407
		2408	=item $maps = cf::map::random_maps
		2409
		2410	Returns an arrayref with all map paths of currently instantiated and saved
		2411	random maps. May block.
		2412
		2413	=cut
		2414
		2415	sub random_maps() {
		2416	[
		2417	map {
		2418	utf8::decode $_;
		2419	/\.map$/
		2420	? normalise "?random/$_"
		2421	: ()
		2422	} @{ aio_readdir $RANDOMDIR or [] }
		2423	]
1712	}	2424	}
1713		2425
1714	=item cf::map::unique_maps	2426	=item cf::map::unique_maps
1715		2427
1716	Returns an arrayref of paths of all shared maps that have	2428	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2429	instantiated unique items. May block.
1718		2430
1719	=cut	2431	=cut
1720		2432
1721	sub unique_maps() {	2433	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2434	[
1723	or return;	2435	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2436	utf8::decode $_;
1729	next if /\.pst$/;	2437	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2439	? ()
1732	push @paths, cf::map::normalise $_;	2440	: normalise $_
		2441	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2442	]
1734
1735	\@paths
1736	}	2443	}
1737		2444
1738	package cf;	2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
		2474	\@maps
		2475	}
1739		2476
1740	=back	2477	=back
1741		2478
1742	=head3 cf::object	2479	=head3 cf::object
1743		2480
…		…
1747		2484
1748	=over 4	2485	=over 4
1749		2486
1750	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
1751		2488
1752	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
1753		2491
1754	=cut	2492	=cut
1755		2493
1756	sub inv_recursive_;	2494	sub inv_recursive_;
1757	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
1760		2498
1761	sub inv_recursive {	2499	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
1763	}	2501	}
1764		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
1765	package cf;	2531	package cf;
1766		2532
1767	=back	2533	=back
1768		2534
1769	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	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	2542	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
1778		2544
1779	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
1780		2560
1781	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2562	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
1786		2566
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2568
1789	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
1791	} else {	2572	} else {
		2573	my $pl = $self->contr;
		2574
		2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2576	my $dialog = $pl->{npc_dialog};
		2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2578
		2579	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
1794	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
1795	}	2594	}
1796		2595
1797	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
1798		2597
1799	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
1812		2611
1813	=item $player_object->enter_link	2612	=item $player_object->enter_link
1814		2613
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2615
1817	The player should be reasonably safe there for short amounts of time. You	2616	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.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
1819		2620
1820	Will never block.	2621	Will never block.
1821		2622
1822	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
1823		2624
…		…
1843	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2645	my ($self) = @_;
1845		2646
1846	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
1847		2648
		2649	++$self->{_link_recursion};
		2650
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2652
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2654	if $self->map && $self->map->{path} ne "{link}";
1852		2655
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2657	}
1855		2658
1856	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
		2661
		2662	return unless $self->contr->active;
1858		2663
1859	my $link_pos = delete $self->{_link_pos};	2664	my $link_pos = delete $self->{_link_pos};
1860		2665
1861	unless ($map) {	2666	unless ($map) {
1862	# restore original map position	2667	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
1875		2680
1876	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
1879		2684
1880	$map->load;	2685	$map->load;
1881	$map->load_diag;	2686	$map->load_neighbours;
1882		2687
1883	return unless $self->contr->active;	2688	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2689
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2691	if ($self->enter_map ($map, $x, $y)) {
1888	}	2692	# entering was successful
1889		2693	delete $self->{_link_recursion};
1890	cf::player->attach (	2694	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2695	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2696	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2697
1904	# try to abort aborted map switching on player login :)	2698	}
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		2699
1922	=item $player_object->goto ($path, $x, $y)	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2701
		2702	Moves the player to the given map-path and coordinates by first freezing
		2703	her, loading and preparing them map, calling the provided $check callback
		2704	that has to return the map if sucecssful, and then unfreezes the player on
		2705	the new (success) or old (failed) map position. In either case, $done will
		2706	be called at the end of this process.
		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
		2710
1924	=cut	2711	=cut
		2712
		2713	our $GOTOGEN;
1925		2714
1926	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
		2717
		2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
		2723
		2724	# do generation counting so two concurrent goto's will be executed in-order
		2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2726
1929	$self->enter_link;	2727	$self->enter_link;
1930		2728
1931	(async {	2729	(async {
		2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
1932	my $map = eval {	2751	my $map = eval {
1933	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
		2753
		2754	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2755	$map = $map->customise_for ($self);
		2756	$map = $check->($map, $x, $y, $self) if $check && $map;
		2757	} else {
		2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760
1935	$map	2761	$map
		2762	};
		2763
		2764	if ($@) {
		2765	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2766	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2767	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2768
		2769	if ($gen == $self->{_goto_generation}) {
		2770	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
		2772	}
		2773
		2774	$done->($self) if $done;
1940	})->prio (1);	2775	})->prio (1);
1941	}	2776	}
1942		2777
1943	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
1944		2779
…		…
1964	}	2799	}
1965		2800
1966	sub prepare_random_map {	2801	sub prepare_random_map {
1967	my ($exit) = @_;	2802	my ($exit) = @_;
1968		2803
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2806	# that depends on the exit object
1974		2807
1975	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2810	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
1982	}	2817	}
1983		2818
1984	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
1985		2820
1986	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
1989		2824
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2827	undef $fh;
1993	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
1994		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
1997	}	2836	}
1998	}	2837	}
1999		2838
2000	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
2002		2841
2003	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
2004		2843
2005	if ($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;	2844	$self->enter_link;
2017		2845
2018	(async {	2846	(async {
2019	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
2020	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
		2856	prepare_random_map $exit
		2857	if $exit->slaying eq "/!";
		2858	}
		2859
		2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
		2863
2021	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
2022		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
2023	1;	2870	1
2024	}) {	2871	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2876
2030	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2878	$self->leave_link;
2032	}	2879	}
2033	})->prio (1);	2880	})->prio (1);
2034	}	2881	}
2035		2882
…		…
2049		2896
2050	utf8::encode $text;	2897	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2899	}
2053		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
		2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2927
		2928	Send a drawinfo or msg packet to the client, formatting the msg for the
		2929	client if neccessary. C<$type> should be a string identifying the type of
		2930	the message, with C<log> being the default. If C<$color> is negative, suppress
		2931	the message unless the client supports the msg packet.
		2932
		2933	=cut
		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
		3049	sub cf::client::send_msg {
		3050	my ($self, $channel, $msg, $color, @extra) = @_;
		3051
		3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
		3069	}
		3070
		3071	$channel = $channel->{id};
		3072	}
		3073
		3074	return unless @extra || length $msg;
		3075
		3076	# default colour, mask it out
		3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3078	if $color & cf::NDI_DEF;
		3079
		3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
		3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3083	);
		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
2054	=item $client->ext_event ($type, %msg)	3088	=item $client->ext_msg ($type, @msg)
2055		3089
2056	Sends an exti event to the client.	3090	Sends an ext event to the client.
2057		3091
2058	=cut	3092	=cut
2059		3093
2060	sub cf::client::ext_event($$%) {	3094	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3095	my ($self, $type, @msg) = @_;
2062		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3100	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
2065	}	3121	}
2066		3122
2067	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
2068		3124
2069	Queues a query to the client, calling the given callback with	3125	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>,	3126	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>.	3127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3128
2073	Queries can fail, so check the return code. Or don't, as queries will become	3129	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3130	become reliable at some point in the future.
2075		3131
2076	=cut	3132	=cut
2077		3133
2078	sub cf::client::query {	3134	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3143	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3145
2090	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
2092	}	3150	}
2093		3151
2094	cf::client->attach (	3152	cf::client->attach (
		3153	on_connect => sub {
		3154	my ($ns) = @_;
		3155
		3156	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3157	},
2095	on_reply => sub {	3158	on_reply => sub {
2096	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
2097		3160
2098	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
2099	# get handled first	3162	# get handled first
…		…
2111	} else {	3174	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3176	}
2114	}	3177	}
2115	},	3178	},
		3179	on_exticmd => sub {
		3180	my ($ns, $buf) = @_;
		3181
		3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3183
		3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
		3192	if (my $cb = $EXTICMD{$type}) {
		3193	@reply = $cb->($ns, @payload);
		3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
		3199	} else {
		3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3201	}
		3202
		3203	cf::override;
		3204	},
2116	);	3205	);
2117		3206
2118	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
2119		3208
2120	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3225
2137	$coro	3226	$coro
2138	}	3227	}
2139		3228
2140	cf::client->attach (	3229	cf::client->attach (
2141	on_destroy => sub {	3230	on_client_destroy => sub {
2142	my ($ns) = @_;	3231	my ($ns) = @_;
2143		3232
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3234	},
2146	);	3235	);
…		…
2161	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2163		3252
2164	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2165		3254
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2167		3260
2168	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2169		3262
2170	=pod	3263	=pod
2171		3264
2172	The following functions and methods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2173		3266
2174	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
2175	cf::object::player player	3272	cf::object::player
2176	cf::player peaceful	3273	player
2177	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2178		3280
2179	=cut	3281	=cut
2180		3282
2181	for (	3283	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2186	) {	3290	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3293	for @funs;
2191	}	3294	}
2192		3295
…		…
2207		3310
2208	my $qcode = $code;	3311	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2211		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2212	local $_;	3318	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3319
2215	my $eval =	3320	my $eval =
2216	"do {\n"	3321	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3324	. $code
2220	. "\n}"	3325	. "\n}"
2221	;	3326	;
2222		3327
		3328	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2226		3337
2227	if ($@) {	3338	if ($@) {
2228	warn "$@";	3339	warn "$@",
2229	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2231	}	3342	}
2232		3343
2233	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2234	}	3345	}
2235		3346
…		…
2249	=cut	3360	=cut
2250		3361
2251	sub register_script_function {	3362	sub register_script_function {
2252	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2253		3364
2254	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2256	}	3367	}
2257		3368
2258	=back	3369	=back
2259		3370
2260	=cut	3371	=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		3372
2334	#############################################################################	3373	#############################################################################
2335	# the server's init and main functions	3374	# the server's init and main functions
2336		3375
2337	sub load_facedata {	3376	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3377	my ($path) = @_;
2339		3378
		3379	# HACK to clear player env face cache, we need some signal framework
		3380	# for this (global event?)
		3381	%ext::player_env::MUSIC_FACE_CACHE = ();
		3382
		3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3384
2340	warn "loading facedata from $path\n";	3385	trace "loading facedata from $path\n";
2341		3386
2342	my $facedata;
2343	0 < aio_load $path, $facedata	3387	0 < aio_load $path, my $facedata
2344	or die "$path: $!";	3388	or die "$path: $!";
2345		3389
2346	$facedata = Coro::Storable::thaw $facedata;	3390	$facedata = Coro::Storable::thaw $facedata;
2347		3391
2348	$facedata->{version} == 2	3392	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3394
		3395	# patch in the exptable
		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3397	$facedata->{resource}{"res/exp_table"} = {
		3398	type => FT_RSRC,
		3399	data => $exp_table,
		3400	hash => (Digest::MD5::md5 $exp_table),
		3401	};
		3402	cf::cede_to_tick;
		3403
2351	{	3404	{
2352	my $faces = $facedata->{faceinfo};	3405	my $faces = $facedata->{faceinfo};
2353		3406
2354	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3410	cf::face::set_visibility $idx, $info->{visibility};
		3411	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3414
		3415	cf::cede_to_tick;
2360	}	3416	}
2361		3417
2362	while (my ($face, $info) = each %$faces) {	3418	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3419	next unless $info->{smooth};
		3420
2364	my $idx = cf::face::find $face	3421	my $idx = cf::face::find $face
2365	or next;	3422	or next;
		3423
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3427	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3428	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3429	}
2371	Coro::cede;	3430
		3431	cf::cede_to_tick;
2372	}	3432	}
2373	}	3433	}
2374		3434
2375	{	3435	{
2376	my $anims = $facedata->{animinfo};	3436	my $anims = $facedata->{animinfo};
2377		3437
2378	while (my ($anim, $info) = each %$anims) {	3438	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3440	cf::cede_to_tick;
2381	}	3441	}
2382		3442
2383	cf::anim::invalidate_all; # d'oh	3443	cf::anim::invalidate_all; # d'oh
2384	}	3444	}
2385		3445
		3446	{
		3447	my $res = $facedata->{resource};
		3448
		3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
		3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3454	cf::face::set_type $idx, $info->{type};
		3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
2386	1	3465	1
2387	}	3466	}
2388		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
		3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
		3491	load_resource_file "$MAPDIR/regions"
		3492	or die "unable to load regions file\n";
		3493
		3494	for (cf::region::list) {
		3495	$_->{match} = qr/$_->{match}/
		3496	if exists $_->{match};
		3497	}
		3498	}
		3499
		3500	sub reload_facedata {
		3501	load_facedata "$DATADIR/facedata"
		3502	or die "unable to load facedata\n";
		3503	}
		3504
		3505	sub reload_archetypes {
		3506	load_resource_file "$DATADIR/archetypes"
		3507	or die "unable to load archetypes\n";
		3508	}
		3509
		3510	sub reload_treasures {
		3511	load_resource_file "$DATADIR/treasures"
		3512	or die "unable to load treasurelists\n";
		3513	}
		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
2389	sub reload_resources {	3538	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3539	trace "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3540
		3541	reload_exp_table;
		3542	reload_materials;
2392	load_facedata	3543	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3544	reload_sound;
2394	}	3545	reload_archetypes;
2395
2396	sub init {
2397	reload_resources;	3546	reload_regions;
2398	}	3547	reload_treasures;
2399		3548
2400	sub cfg_load {	3549	trace "finished reloading resource files\n";
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3550	}
2402	or return;
2403		3551
2404	local $/;	3552	sub reload_config {
		3553	trace "reloading config file...\n";
		3554
		3555	0 < aio_load "$CONFDIR/config", my $config
		3556	or die "$CONFDIR/config: $!";
		3557
		3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2405	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2406		3562
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2408		3564
2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2410	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2411		3567
2412	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2416	};	3572	};
2417	warn $@ if $@;	3573	warn $@ if $@;
2418	}	3574	}
2419	}	3575	}
2420		3576
		3577	sub pidfile() {
		3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
		3603	}
		3604
2421	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2422	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3618	(async {
2426	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2428	};	3622	};
2429		3623
2430	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
		3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
2431	db_init;	3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2432	load_extensions;	3647	load_extensions;
2433		3648
2434	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2435	Event::loop;	3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2436	}	3667	}
2437		3668
2438	#############################################################################	3669	#############################################################################
2439	# initialisation and cleanup	3670	# initialisation and cleanup
2440		3671
2441	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2442	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2445	reentrant => 0,
2446	data => WF_AUTOCANCEL,
2447	signal => $signal,
2448	prio => 0,
2449	cb => sub {
2450	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2451	},
2452	);	3678	};
		3679	}
		3680	}
		3681
		3682	sub write_runtime_sync {
		3683	my $t0 = AE::time;
		3684
		3685	# first touch the runtime file to show we are still running:
		3686	# the fsync below can take a very very long time.
		3687
		3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3689
		3690	my $guard = cf::lock_acquire "write_runtime";
		3691
		3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3693	or return;
		3694
		3695	my $value = $cf::RUNTIME + 90 + 10;
		3696	# 10 is the runtime save interval, for a monotonic clock
		3697	# 60 allows for the watchdog to kill the server.
		3698
		3699	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3700	and return;
		3701
		3702	# always fsync - this file is important
		3703	aio_fsync $fh
		3704	and return;
		3705
		3706	# touch it again to show we are up-to-date
		3707	aio_utime $fh, undef, undef;
		3708
		3709	close $fh
		3710	or return;
		3711
		3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3713	and return;
		3714
		3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3716
2453	}	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
2454	}	3768	}
2455		3769
2456	sub emergency_save() {	3770	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2458		3772
2459	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
2460		3779
2461	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2462	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2463	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2464	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2466	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3791	$pl->save;
2470	}	3792	}
2471	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2472		3794
2473	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
2474	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2475	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2476	$map->valid or next;	3800	$map->valid or next;
2477	$map->save;	3801	$map->save;
2478	}	3802	}
2479	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
2480		3804
2481	warn "begin emergency database checkpoint\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
2482	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
2483	warn "end emergency database checkpoint\n";	3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2484	};	3833	};
2485		3834
2486	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2487	}	3836	}
2488		3837
2489	sub post_cleanup {	3838	sub post_cleanup {
2490	my ($make_core) = @_;	3839	my ($make_core) = @_;
2491		3840
		3841	IO::AIO::flush;
		3842
2492	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3844	if $make_core;
2494	}
2495		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
		3873	}
		3874
2496	sub reload() {	3875	sub do_reload_perl() {
2497	# can/must only be called in main	3876	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2499	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2500	return;	3879	return;
2501	}	3880	}
2502		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2503	warn "reloading...";	3888	info "reloading...";
2504		3889
2505	warn "entering sync_job";	3890	trace "entering sync_job";
2506		3891
2507	cf::sync_job {	3892	cf::sync_job {
2508	cf::write_runtime; # external watchdog should not bark
2509	cf::emergency_save;	3893	#cf::emergency_save;
2510	cf::write_runtime; # external watchdog should not bark
2511		3894
2512	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;
2514
2515	# if anything goes wrong in here, we should simply crash as we already saved
2516
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";
2523	for (;;) {
2524	BDB::flush;
2525	IO::AIO::flush;
2526	Coro::cede;
2527	last unless IO::AIO::nreqs || BDB::nreqs;
2528	warn "iterate...";
2529	}
2530
2531	++$RELOAD;
2532
2533	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
2534	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2535	%EXT_CORO = ();	3897	%EXT_CORO = ();
2536		3898
2537	warn "removing commands";	3899	trace "removing commands";
2538	%COMMAND = ();	3900	%COMMAND = ();
2539		3901
2540	warn "removing ext commands";	3902	trace "removing ext/exti commands";
2541	%EXTCMD = ();	3903	%EXTCMD = ();
		3904	%EXTICMD = ();
2542		3905
2543	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
2546		3909
2547	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
2548	eval {	3911	eval {
2549	$cb->($pkg);	3912	$cb->($pkg);
2550	1	3913	1
2551	} or warn "$pkg unloaded, but with errors: $@";	3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
2552	}	3919	}
2553		3920
2554	warn "... nuking $pkg";
2555	Symbol::delete_package $pkg;
2556	}
2557
2558	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
2559	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2561		3924
2562	warn "... unloading $k";	3925	trace "... unloading $k";
2563	delete $INC{$k};	3926	delete $INC{$k};
2564		3927
2565	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
2566	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
2567		3930
2568	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
2569	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2570	}	3936	}
2571		3937
2572	Symbol::delete_package $k;
2573	}
2574
2575	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
2576	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3941
2579	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
		3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2581		3945
2582	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3947	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2585		3949
2586	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
2587		3951
2588	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2589	require cf;	3953	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2591		3955
2592	warn "loading config and database again";	3956	trace "loading config and database again";
2593	cf::cfg_load;	3957	cf::reload_config;
2594		3958
2595	warn "loading extensions";	3959	trace "loading extensions";
2596	cf::load_extensions;	3960	cf::load_extensions;
2597		3961
		3962	if ($REATTACH_ON_RELOAD) {
2598	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
2599	_global_reattach; # objects, sockets	3964	_global_reattach; # objects, sockets
2600	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3967	trace "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3968	reattach $_ for values %PLAYER;
		3969	}
2604		3970
2605	warn "loading reloadable resources";	3971	trace "running post_init jobs";
2606	reload_resources;	3972	(pop @POST_INIT)->(1) while @POST_INIT;
2607		3973
2608	warn "leaving sync_job";	3974	trace "leaving sync_job";
2609		3975
2610	1	3976	1
2611	} or do {	3977	} or do {
2612	warn $@;	3978	error $@;
2613	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
2614	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
		3984	}
		3985
		3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
		3988	};
		3989
		3990	our $RELOAD_WATCHER; # used only during reload
		3991
		3992	sub reload_perl() {
		3993	# doing reload synchronously and two reloads happen back-to-back,
		3994	# coro crashes during coro_state_free->destroy here.
		3995
		3996	$RELOAD_WATCHER ||= cf::async {
		3997	Coro::AIO::aio_wait cache_extensions;
		3998
		3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4000	do_reload_perl;
		4001	undef $RELOAD_WATCHER;
		4002	};
2615	};	4003	};
2616		4004	}
2617	warn "reloaded";
2618	};
2619
2620	our $RELOAD_WATCHER; # used only during reload
2621		4005
2622	register_command "reload" => sub {	4006	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2624		4008
2625	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
2627		4011	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	4012	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	4013	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	4014	};
2640	}	4015	}
2641	};	4016	};
2642		4017
2643	unshift @INC, $LIBDIR;	4018	#############################################################################
2644		4019
2645	my $bug_warning = 0;	4020	my $bug_warning = 0;
2646		4021
2647	our @WAIT_FOR_TICK;	4022	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	4023	our @WAIT_FOR_TICK_BEGIN;
2649		4024
2650	sub wait_for_tick {	4025	sub wait_for_tick() {
2651	return unless $TICK_WATCHER->is_active;	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4027
2652	my $signal = new Coro::Signal;	4028	my $signal = new Coro::Signal;
2653	push @WAIT_FOR_TICK, $signal;	4029	push @WAIT_FOR_TICK, $signal;
2654	$signal->wait;	4030	$signal->wait;
2655	}	4031	}
2656		4032
2657	sub wait_for_tick_begin {	4033	sub wait_for_tick_begin() {
2658	return unless $TICK_WATCHER->is_active;	4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4035
2659	my $signal = new Coro::Signal;	4036	my $signal = new Coro::Signal;
2660	push @WAIT_FOR_TICK_BEGIN, $signal;	4037	push @WAIT_FOR_TICK_BEGIN, $signal;
2661	$signal->wait;	4038	$signal->wait;
2662	}	4039	}
2663		4040
2664	$TICK_WATCHER = Event->timer (	4041	sub tick {
2665	reentrant => 0,
2666	parked => 1,
2667	prio => 0,
2668	at => $NEXT_TICK || $TICK,
2669	data => WF_AUTOCANCEL,
2670	cb => sub {
2671	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
2672	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2673	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
2674	return;	4045	return;
2675	}	4046	}
2676		4047
2677	$NOW = Event::time;
2678
2679	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2680	$RUNTIME += $TICK;
2681	$NEXT_TICK += $TICK;
2682		4049
		4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4051
2683	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2684	$NEXT_RUNTIME_WRITE = $NOW + 10;	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2685	Coro::async_pool {	4054	Coro::async_pool {
		4055	$Coro::current->{desc} = "runtime saver";
2686	write_runtime	4056	write_runtime_sync
2687	or warn "ERROR: unable to write runtime file: $!";	4057	or error "ERROR: unable to write runtime file: $!";
2688	};
2689	}	4058	};
		4059	}
2690		4060
2691	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2692	$sig->send;	4062	$sig->send;
2693	}	4063	}
2694	while (my $sig = shift @WAIT_FOR_TICK) {	4064	while (my $sig = shift @WAIT_FOR_TICK) {
2695	$sig->send;	4065	$sig->send;
2696	}
2697
2698	# my $AFTER = Event::time;
2699	# warn $AFTER - $NOW;#d#
2700
2701	# if we are delayed by four ticks or more, skip them all
2702	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2703
2704	$TICK_WATCHER->at ($NEXT_TICK);
2705	$TICK_WATCHER->start;
2706	},	4066	}
2707	);	4067
		4068	$LOAD = ($NOW - $TICK_START) / $TICK;
		4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4070
		4071	if (0) {
		4072	if ($NEXT_TICK) {
		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
		4077	}
		4078	}
2708		4079
2709	{	4080	{
2710	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
2711	$BDB_POLL_WATCHER = Event->io (	4082
2712	reentrant => 0,
2713	fd => BDB::poll_fileno,
2714	poll => 'r',
2715	prio => 0,
2716	data => WF_AUTOCANCEL,
2717	cb => \&BDB::poll_cb,
2718	);
2719	BDB::min_parallel 8;	4083	BDB::min_parallel 16;
2720		4084	BDB::max_poll_reqs $TICK * 0.1;
2721	BDB::set_sync_prepare {	4085	$AnyEvent::BDB::WATCHER->priority (1);
2722	my $status;
2723	my $current = $Coro::current;
2724	(
2725	sub {
2726	$status = $!;
2727	$current->ready; undef $current;
2728	},
2729	sub {
2730	Coro::schedule while defined $current;
2731	$! = $status;
2732	},
2733	)
2734	};
2735		4086
2736	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
2737	$DB_ENV = BDB::db_env_create;	4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2738		4094
2739	cf::sync_job {	4095	cf::sync_job {
2740	eval {	4096	eval {
2741	BDB::db_env_open	4097	BDB::db_env_open
2742	$DB_ENV,	4098	$DB_ENV,
2743	$BDB_ENV_DIR,	4099	$BDBDIR,
2744	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2745	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2746	0666;	4102	0666;
2747		4103
2748	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2749
2750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2751	$DB_ENV->set_lk_detect;
2752	};	4105	};
2753		4106
2754	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
2755	};	4108	};
2756	}	4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
2757	}	4120	}
2758		4121
2759	{	4122	{
		4123	# configure IO::AIO
		4124
2760	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
2761
2762	undef $Coro::AIO::WATCHER;
2763	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
2764	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
2765	reentrant => 0,
2766	data => WF_AUTOCANCEL,
2767	fd => IO::AIO::poll_fileno,
2768	poll => 'r',
2769	prio => 6,
2770	cb => \&IO::AIO::poll_cb,
2771	);
2772	}	4128	}
		4129
		4130	my $_log_backtrace;
		4131
		4132	sub _log_backtrace {
		4133	my ($msg, @addr) = @_;
		4134
		4135	$msg =~ s/\n//;
		4136
		4137	# limit the # of concurrent backtraces
		4138	if ($_log_backtrace < 2) {
		4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
		4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
		4144	my @bt = fork_call {
		4145	@addr = map { sprintf "%x", $_ } @addr;
		4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4148	or die "addr2line: $!";
		4149
		4150	my @funcs;
		4151	my @res = <$fh>;
		4152	chomp for @res;
		4153	while (@res) {
		4154	my ($func, $line) = splice @res, 0, 2, ();
		4155	push @funcs, "[$func] $line";
		4156	}
		4157
		4158	@funcs
		4159	};
		4160
		4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4163	LOG llevInfo, "[ABT] $_\n" for @bt;
		4164	--$_log_backtrace;
		4165	};
		4166	} else {
		4167	LOG llevInfo, "[ABT] $msg\n";
		4168	LOG llevInfo, "[ABT] [suppressed]\n";
		4169	}
		4170	}
		4171
		4172	# load additional modules
		4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
2773		4175
2774	END { cf::emergency_save }	4176	END { cf::emergency_save }
2775		4177
2776	1	4178	1
2777		4179

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