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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.229 by root, Sun Apr 1 00:36:34 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98
59	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	123	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		132
68	our %CFG;	133	our %CFG;
69		134
70	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
72		138
73	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		142
82	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
85	binmode STDOUT;	156	binmode STDOUT;
86	binmode STDERR;	157	binmode STDERR;
87		158
88	# read virtual server time, if available	159	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
93	}	164	}
94		165
95	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	167
97	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		170
102	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
103		172
104	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
105		189
106	#############################################################################	190	#############################################################################
107		191
108	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
109		193
…		…
116	=item $cf::RUNTIME	200	=item $cf::RUNTIME
117		201
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	203	every server tick.
120		204
121	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		208
123	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
125		213
126	=item $cf::NOW	214	=item $cf::NOW
127		215
128	The time of the last (current) server tick.	216	The time of the last (current) server tick.
129		217
130	=item $cf::TICK	218	=item $cf::TICK
131		219
132	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
133		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
134	=item %cf::CFG	232	=item %cf::CFG
135		233
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	235	from wherever your confdir points to.
138		236
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		238
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
143	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
145		259
146	=back	260	=back
147		261
148	=cut	262	=cut
149		263
150	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	271	my $msg = join "", @_;
153	utf8::encode $msg;
154		272
155	$msg .= "\n"	273	$msg .= "\n"
156	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
157		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
158	LOG llevError, $msg;	278	LOG llevWarn, $msg;
159	};	279	};
160	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
161		294
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		302
169	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	304	# within the Safe compartment.
171	for my $pkg (qw(	305	for my $pkg (qw(
172	cf::global cf::attachable	306	cf::global cf::attachable
173	cf::object cf::object::player	307	cf::object cf::object::player
174	cf::client cf::player	308	cf::client cf::player
175	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
176	cf::map cf::party cf::region	311	cf::party cf::region
177	)) {	312	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	314	}
181		315
182	$Event::DIED = sub {	316	$EV::DIED = sub {
183	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
184	};	318	};
		319
		320	#############################################################################
185		321
186	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
187		323
188	=over 4	324	=over 4
189		325
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	345	$d
210	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
211	}	347	}
212		348
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
216		350
217	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
218		352
219	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
220		354
221	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
222		356
		357	=cut
		358
		359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		360
		361	sub encode_json($) { $json_coder->encode ($_[0]) }
		362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
		405	}
		406
223	=item cf::lock_wait $string	407	=item cf::lock_wait $string
224		408
225	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
226		410
227	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
228		412
229	Wait until the given lock is available and then acquires it and returns	413	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	414	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	415	for example when the coroutine gets canceled), the lock is automatically
232	returned.	416	returned.
233		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
234	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
236		423
237	=cut	424	=item $locked = cf::lock_active $string
238		425
239	our %LOCK;	426	Return true if the lock is currently active, i.e. somebody has locked it.
		427
		428	=cut
		429
		430	our $LOCKS = new Coro::SemaphoreSet;
240		431
241	sub lock_wait($) {	432	sub lock_wait($) {
242	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	434	}
250		435
251	sub lock_acquire($) {	436	sub lock_acquire($) {
252	my ($key) = @_;	437	$LOCKS->guard ($_[0])
		438	}
253		439
254	# wait, to be sure we are not locked	440	sub lock_active($) {
255	lock_wait $key;	441	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	442	}
264		443
265	sub freeze_mainloop {	444	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
267		446
268	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	448	}
		449
		450	=item cf::periodic $interval, $cb
		451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
270	};	514	}
271	$TICK_WATCHER->stop;	515	};
272	$guard	516
		517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
273	}	530	}
274		531
275	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
276		533
277	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		539
283	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
284		541
285	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
286		543
287	The design of crossfire+ requires that the main coro ($Coro::main) is	544	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	545	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		547	acceptable.
290		548
291	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	551	server will be frozen during this time, so the block should either finish
294	fast or be very important.	552	fast or be very important.
…		…
296	=cut	554	=cut
297		555
298	sub sync_job(&) {	556	sub sync_job(&) {
299	my ($job) = @_;	557	my ($job) = @_;
300		558
301	if ($Coro::current == $Coro::main) {	559	if (in_main) {
		560	my $time = AE::time;
		561
302	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
304		564
305	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	566
307	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
308		568
309	my $busy = 1;	569	my $busy = 1;
310	my @res;	570	my @res;
311		571
312	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	574	@res = eval { $job->() };
314	warn $@ if $@;	575	error $@ if $@;
315	undef $busy;	576	undef $busy;
316	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
317		578
318	while ($busy) {	579	while ($busy) {
319	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
320	}	584	}
		585	}
		586
		587	my $time = AE::time - $time;
		588
		589	$TICK_START += $time; # do not account sync jobs to server load
321		590
322	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
323	} else {	592	} else {
324	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
325		594
…		…
345	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
346		615
347	$coro	616	$coro
348	}	617	}
349		618
350	sub write_runtime {	619	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		620
353	my $runtime = cf::localdir . "/runtime";	621	Executes the given code block with the given arguments in a seperate
		622	process, returning the results. Everything must be serialisable with
		623	Coro::Storable. May, of course, block. Note that the executed sub may
		624	never block itself or use any form of event handling.
354		625
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	626	=cut
356	or return;
357		627
358	my $value = $cf::RUNTIME + 90 + 10;	628	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	629	reset_signals;
360	# 60 allows for the watchdog to kill the server.	630	}
361		631
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	632	sub fork_call(&@) {
363	and return;	633	my ($cb, @args) = @_;
364		634
365	# always fsync - this file is important	635	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	636	# otherwise perl prematurely frees the stuff :/
367	and return;	637	# TODO: investigate and fix (likely this will be rather laborious)
368		638
369	close $fh	639	my @res = Coro::Util::fork_eval {
370	or return;	640	cf::post_fork;
		641	&$cb
		642	} @args;
371		643
372	aio_rename "$runtime~", $runtime	644	wantarray ? @res : $res[-1]
373	and return;	645	}
374		646
		647	sub objinfo {
375	1	648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
		683	}
		684
		685	=item $value = cf::db_get $family => $key
		686
		687	Returns a single value from the environment database.
		688
		689	=item cf::db_put $family => $key => $value
		690
		691	Stores the given C<$value> in the family. It can currently store binary
		692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
		699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
		715	};
		716	cf::cleanup "db_open(db): $@" if $@;
		717
		718	$db
		719	}
		720
		721	our $DB;
		722
		723	sub db_init {
		724	$DB ||= db_table "db";
		725	}
		726
		727	sub db_get($$) {
		728	my $key = "$_[0]/$_[1]";
		729
		730	cf::error "db_get called from main context"
		731	if $Coro::current == $Coro::main;
		732
		733	BDB::db_get $DB, undef, $key, my $data;
		734
		735	$! ? ()
		736	: $data
		737	}
		738
		739	sub db_put($$$) {
		740	BDB::dbreq_pri 4;
		741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		742	}
		743
		744	=item cf::cache $id => [$paths...], $processversion => $process
		745
		746	Generic caching function that returns the value of the resource $id,
		747	caching and regenerating as required.
		748
		749	This function can block.
		750
		751	=cut
		752
		753	sub cache {
		754	my ($id, $src, $processversion, $process) = @_;
		755
		756	my $meta =
		757	join "\x00",
		758	$processversion,
		759	map {
		760	aio_stat $_
		761	and Carp::croak "$_: $!";
		762
		763	($_, (stat _)[7,9])
		764	} @$src;
		765
		766	my $dbmeta = db_get cache => "$id/meta";
		767	if ($dbmeta ne $meta) {
		768	# changed, we may need to process
		769
		770	my @data;
		771	my $md5;
		772
		773	for (0 .. $#$src) {
		774	0 <= aio_load $src->[$_], $data[$_]
		775	or Carp::croak "$src->[$_]: $!";
		776	}
		777
		778	# if processing is expensive, check
		779	# checksum first
		780	if (1) {
		781	$md5 =
		782	join "\x00",
		783	$processversion,
		784	map {
		785	cf::cede_to_tick;
		786	($src->[$_], Digest::MD5::md5_hex $data[$_])
		787	} 0.. $#$src;
		788
		789
		790	my $dbmd5 = db_get cache => "$id/md5";
		791	if ($dbmd5 eq $md5) {
		792	db_put cache => "$id/meta", $meta;
		793
		794	return db_get cache => "$id/data";
		795	}
		796	}
		797
		798	my $t1 = Time::HiRes::time;
		799	my $data = $process->(\@data);
		800	my $t2 = Time::HiRes::time;
		801
		802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		803
		804	db_put cache => "$id/data", $data;
		805	db_put cache => "$id/md5" , $md5;
		806	db_put cache => "$id/meta", $meta;
		807
		808	return $data;
		809	}
		810
		811	db_get cache => "$id/data"
		812	}
		813
		814	=item cf::datalog type => key => value, ...
		815
		816	Log a datalog packet of the given type with the given key-value pairs.
		817
		818	=cut
		819
		820	sub datalog($@) {
		821	my ($type, %kv) = @_;
		822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	823	}
377		824
378	=back	825	=back
379		826
380	=cut	827	=cut
381		828
382	#############################################################################	829	#############################################################################
383		830
384	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
385		832
386	Many objects in crossfire are so-called attachable objects. That means you can	833	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
389		836
390	In the following description, CLASS can be any of C<global>, C<object>	837	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	839	Deliantra).
393		840
394	=over 4	841	=over 4
395		842
396	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
397		844
…		…
441	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
442		889
443	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
445		892
446	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	894	that are attached at load/instantiate time, thus the need for a name.
448		895
449	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
450		897
451	=over 4	898	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	1007	$registry = $CB_TYPE[$object_type] ||= [];
561		1008
562	} elsif ($type eq "subtype") {	1009	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	1010	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	1011	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1012	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		1013
567	} elsif ($type eq "package") {	1014	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	1015	my $pkg = shift @arg;
569		1016
570	while (my ($name, $id) = each %cb_id) {	1017	while (my ($name, $id) = each %cb_id) {
…		…
575		1022
576	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		1025
579	} elsif (ref $type) {	1026	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
581		1028
582	} else {	1029	} else {
583	shift @arg;	1030	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
585	}	1032	}
586	}	1033	}
587	}	1034	}
588		1035
589	sub _object_attach {	1036	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
600	}	1047	}
601		1048
602	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
603	} else {	1050	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1052	}
606		1053
607	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
608	}	1055	}
609		1056
…		…
611	if (ref $_[0]) {	1058	if (ref $_[0]) {
612	_object_attach @_;	1059	_object_attach @_;
613	} else {	1060	} else {
614	_attach shift->_attach_registry, @_;	1061	_attach shift->_attach_registry, @_;
615	}	1062	}
		1063	_recalc_want;
616	};	1064	};
617		1065
618	# all those should be optimised	1066	# all those should be optimised
619	sub cf::attachable::detach {	1067	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1068	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1071	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1072	reattach ($obj);
625	} else {	1073	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1074	Carp::croak "cannot, currently, detach class attachments";
627	}	1075	}
		1076	_recalc_want;
628	};	1077	};
629		1078
630	sub cf::attachable::attached {	1079	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1080	my ($obj, $name) = @_;
632		1081
…		…
647	";	1096	";
648	die if $@;	1097	die if $@;
649	}	1098	}
650		1099
651	our $override;	1100	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1101	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1102
654	sub override {	1103	sub override {
655	$override = 1;	1104	$override = 1;
656	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
657	}	1106	}
658		1107
659	sub do_invoke {	1108	sub do_invoke {
660	my $event = shift;	1109	my $event = shift;
661	my $callbacks = shift;	1110	my $callbacks = shift;
662		1111
663	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
664		1113
665	local $override;	1114	local $override;
666		1115
667	for (@$callbacks) {	1116	for (@$callbacks) {
668	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
669		1118
670	if ($@) {	1119	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1121	override;
674	}	1122	}
675		1123
676	return 1 if $override;	1124	return 1 if $override;
677	}	1125	}
678		1126
679	0	1127	0
680	}	1128	}
681		1129
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1131
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1133
686	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
687		1135
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1136	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1137	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1139
692	=back	1140	=back
693		1141
694	=cut	1142	=cut
695		1143
696	#############################################################################	1144	#############################################################################
697	# object support	1145	# object support
		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
		1180	sub _can_merge {
		1181	my ($ob1, $ob2) = @_;
		1182
		1183	++$SLOW_MERGES;#d#
		1184
		1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
		1187	}
698		1188
699	sub reattach {	1189	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1191	my ($obj) = @_;
702		1192
		1193	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1195
705	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
706		1197
707	@$registry = ();	1198	@$registry = ();
708		1199
…		…
713	for (@$attach) {	1204	for (@$attach) {
714	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
716	}	1207	}
717	} else {	1208	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1210	}
720	}	1211	}
721	}	1212	}
722		1213
723	cf::attachable->attach (	1214	cf::attachable->attach (
724	prio => -1000000,	1215	prio => -1000000,
725	on_instantiate => sub {	1216	on_instantiate => sub {
726	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
727		1218
728	$data = from_json $data;	1219	$data = decode_json $data;
729		1220
730	for (@$data) {	1221	for (@$data) {
731	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
732		1223
733	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1240	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
751		1242
752	sync_job {	1243	sync_job {
753	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
756		1249
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($cf::USE_FSYNC) {
		1254	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;
		1255	aio_fsync $fh;
		1256	}
761	close $fh;	1257	aio_close $fh;
762		1258
763	if (@$objs) {	1259	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($cf::USE_FSYNC) {
		1265	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;
		1266	aio_fsync $fh;
		1267	}
769	close $fh;	1268	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
771	}	1270	}
772	} else {	1271	} else {
773	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
774	}	1273	}
775		1274
776	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1279	} else {
778	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
779	}	1281	}
780	} else {	1282	} else {
781	aio_unlink $filename;	1283	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
783	}	1285	}
784	}	1286	};
785	}	1287	}
786		1288
787	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
789		1291
…		…
801	or return;	1303	or return;
802		1304
803	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
805	or return;	1307	or return;
		1308
806	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
807	}	1311	}
808		1312
		1313	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
811	return ($data, $av);	1318	($data, $av)
812	}	1319	}
		1320
		1321	=head2 COMMAND CALLBACKS
		1322
		1323	=over 4
		1324
		1325	=cut
813		1326
814	#############################################################################	1327	#############################################################################
815	# command handling &c	1328	# command handling &c
816		1329
817	=item cf::register_command $name => \&callback($ob,$args);	1330	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1343	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1344	}
832		1345
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1346	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1347
835	Register a callbackf ro execution when the client sends an extcmd packet.	1348	Register a callback for execution when the client sends an (synchronous)
		1349	extcmd packet. Ext commands will be processed in the order they are
		1350	received by the server, like other user commands. The first argument is
		1351	the logged-in player. Ext commands can only be processed after a player
		1352	has logged in successfully.
836		1353
837	If the callback returns something, it is sent back as if reply was being	1354	If the callback returns something, it is sent back as if reply was being
838	called.	1355	called.
839		1356
		1357	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1358
		1359	Register a callback for execution when the client sends an (asynchronous)
		1360	exticmd packet. Exti commands are processed by the server as soon as they
		1361	are received, i.e. out of order w.r.t. other commands. The first argument
		1362	is a client socket. Exti commands can be received anytime, even before
		1363	log-in.
		1364
		1365	If the callback returns something, it is sent back as if reply was being
		1366	called.
		1367
840	=cut	1368	=cut
841		1369
842	sub register_extcmd {	1370	sub register_extcmd {
843	my ($name, $cb) = @_;	1371	my ($name, $cb) = @_;
844		1372
845	$EXTCMD{$name} = $cb;	1373	$EXTCMD{$name} = $cb;
846	}	1374	}
847		1375
		1376	sub register_exticmd {
		1377	my ($name, $cb) = @_;
		1378
		1379	$EXTICMD{$name} = $cb;
		1380	}
		1381
		1382	use File::Glob ();
		1383
848	cf::player->attach (	1384	cf::player->attach (
849	on_command => sub {	1385	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
851		1387
852	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
853	or return;	1389	or return;
854		1390
…		…
859	cf::override;	1395	cf::override;
860	},	1396	},
861	on_extcmd => sub {	1397	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
863		1399
864	my $msg = eval { from_json $buf };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1401
866	if (ref $msg) {	1402	if (ref $msg) {
		1403	my ($type, $reply, @payload) =
		1404	"ARRAY" eq ref $msg
		1405	? @$msg
		1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1407
		1408	my @reply;
		1409
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
872	} else {	1417	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1419	}
875		1420
876	cf::override;	1421	cf::override;
877	},	1422	},
878	);	1423	);
879		1424
		1425	# "readahead" all extensions
880	sub load_extension {	1426	sub cache_extensions {
881	my ($path) = @_;	1427	my $grp = IO::AIO::aio_group;
882		1428
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1430	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1432	}
908	die $@;
909	}	1433	};
910		1434
911	push @EXTS, $pkg;	1435	$grp
912	}	1436	}
913		1437
914	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
		1441	cf::sync_job {
		1442	my %todo;
		1443
915	for my $ext (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1445	next unless -r $path;
917	eval {	1446
918	load_extension $ext;	1447	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1448	my $base = $1;
		1449	my $pkg = $1;
		1450	$pkg =~ s/[^[:word:]]/_/g;
		1451	$pkg = "ext::$pkg";
		1452
		1453	open my $fh, "<:utf8", $path
		1454	or die "$path: $!";
		1455
		1456	my $source = do { local $/; <$fh> };
		1457
		1458	my %ext = (
		1459	path => $path,
		1460	base => $base,
		1461	pkg => $pkg,
		1462	);
		1463
		1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1466
		1467	$ext{source} =
		1468	"package $pkg; use common::sense;\n"
		1469	. "#line 1 \"$path\"\n{\n"
		1470	. $source
		1471	. "\n};\n1";
		1472
		1473	$todo{$base} = \%ext;
		1474	}
		1475
		1476	my $pass = 0;
		1477	my %done;
		1478	while (%todo) {
		1479	my $progress;
		1480
		1481	++$pass;
		1482
		1483	ext:
		1484	while (my ($k, $v) = each %todo) {
		1485	for (split /,\s*/, $v->{meta}{depends}) {
		1486	next ext
		1487	unless exists $done{$_};
		1488	}
		1489
		1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1491
		1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
		1495	error "$v->{path}: $@\n";
		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499
		1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1501	delete $todo{$k};
		1502	} else {
		1503	$done{$k} = delete $todo{$k};
		1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
		1509	}
919	1	1510	}
920	} or warn "$ext not loaded: $@";	1511
		1512	unless ($progress) {
		1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
		1520	}
921	}	1521	};
922	}	1522	}
923		1523
924	#############################################################################	1524	#############################################################################
925		1525
		1526	=back
		1527
926	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
927		1529
928	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
929		1531
930	=cut	1532	=cut
931		1533
932	package cf::player;	1534	package cf::player;
933		1535
…		…
935		1537
936	=head3 cf::player	1538	=head3 cf::player
937		1539
938	=over 4	1540	=over 4
939		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
		1555
940	=item cf::player::find $login	1556	=item cf::player::find $login
941		1557
942	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
943		1559
944	=cut	1560	=cut
945		1561
946	sub playerdir($) {	1562	sub playerdir($) {
947	cf::localdir	1563	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1564	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1565	}
953		1566
954	sub path($) {	1567	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1568	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1569
957	(playerdir $login) . "/$login.pl"	1570	(playerdir $login) . "/playerdata"
958	}	1571	}
959		1572
960	sub find_active($) {	1573	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1574	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1575	and $cf::PLAYER{$_[0]}->active
…		…
965		1578
966	sub exists($) {	1579	sub exists($) {
967	my ($login) = @_;	1580	my ($login) = @_;
968		1581
969	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
971	}	1584	}
972		1585
973	sub find($) {	1586	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1588	my $login = $_[0];
976		1589
977	my $guard = cf::lock_acquire "user_find:$login";	1590	my $guard = cf::lock_acquire "user_find:$login";
978		1591
979	$cf::PLAYER{$_[0]} || do {	1592	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1593	# rename old playerfiles to new ones
		1594	#TODO: remove when no longer required
		1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1598	aio_unlink +(playerdir $login) . "/$login.pl";
		1599
		1600	my $f = new_from_file cf::object::thawer path $login
981	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
983	}	1609	}
984	}	1610	}
985	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
986		1625
987	sub save($) {	1626	sub save($) {
988	my ($pl) = @_;	1627	my ($pl) = @_;
989		1628
990	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
996		1635
997	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
999		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1000	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1001	Coro::cede;	1645	cf::cede_to_tick;
1002	}	1646	}
1003		1647
1004	sub new($) {	1648	sub new($) {
1005	my ($login) = @_;	1649	my ($login) = @_;
1006		1650
…		…
1012	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1013		1657
1014	$self	1658	$self
1015	}	1659	}
1016		1660
		1661	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1662
		1663	=cut
		1664
		1665	sub send_msg {
		1666	my $ns = shift->ns
		1667	or return;
		1668	$ns->send_msg (@_);
		1669	}
		1670
1017	=item $pl->quit_character	1671	=item $pl->quit_character
1018		1672
1019	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1021		1675
…		…
1025	my ($pl) = @_;	1679	my ($pl) = @_;
1026		1680
1027	my $name = $pl->ob->name;	1681	my $name = $pl->ob->name;
1028		1682
1029	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1685
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1033	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1035	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1036		1694
1037	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1039	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
…		…
1068	while and may block, so not sync_job-capable, ever.	1726	while and may block, so not sync_job-capable, ever.
1069		1727
1070	=cut	1728	=cut
1071		1729
1072	sub list_logins {	1730	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1731	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1732	or return [];
1075		1733
1076	my @logins;	1734	my @logins;
1077		1735
1078	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1082		1746
1083	utf8::decode $login;	1747	utf8::decode $login;
1084	push @logins, $login;	1748	push @logins, $login;
1085	}	1749	}
1086		1750
1087	\@logins	1751	\@logins
1088	}	1752	}
1089		1753
1090	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1091		1757
1092	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1093	player. May block.	1759	player. May block.
1094		1760
1095	=cut	1761	=cut
…		…
1113	}	1779	}
1114		1780
1115	\@paths	1781	\@paths
1116	}	1782	}
1117		1783
		1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1785
		1786	Expand deliantra pod fragments into protocol xml.
		1787
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1119		1789
1120	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1121		1791
1122	=cut	1792	=cut
1123		1793
1124	sub ext_reply($$$%) {	1794	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1126		1796
1127	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1798	}
1131		1799
1132	package cf;	1800	=item $player->ext_msg ($type, @msg)
		1801
		1802	Sends an ext event to the client.
		1803
		1804	=cut
		1805
		1806	sub ext_msg($$@) {
		1807	my ($self, $type, @msg) = @_;
		1808
		1809	$self->ns->ext_msg ($type, @msg);
		1810	}
		1811
		1812	=head3 cf::region
		1813
		1814	=over 4
		1815
		1816	=cut
		1817
		1818	package cf::region;
		1819
		1820	=item cf::region::find_by_path $path
		1821
		1822	Tries to decuce the likely region for a map knowing only its path.
		1823
		1824	=cut
		1825
		1826	sub find_by_path($) {
		1827	my ($path) = @_;
		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
		1830
		1831	my ($match, $specificity);
		1832
		1833	for my $region (list) {
		1834	if ($region->{match} && $path =~ $region->{match}) {
		1835	($match, $specificity) = ($region, $region->specificity)
		1836	if $region->specificity > $specificity;
		1837	}
		1838	}
		1839
		1840	$match
		1841	}
1133		1842
1134	=back	1843	=back
1135
1136		1844
1137	=head3 cf::map	1845	=head3 cf::map
1138		1846
1139	=over 4	1847	=over 4
1140		1848
…		…
1152	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1154		1862
1155	sub generate_random_map {	1863	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1157	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1158	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1169	(cf::region::find $rmp->{region}), $rmp->{custom}
1170	)
1171	}	1869	}
1172		1870
1173	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1174		1872
1175	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1180		1878
1181	sub register {	1879	sub register {
1182	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	1881	my $pkg = caller;
1184		1882
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		1884
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	1886	}
1190		1887
1191	# also paths starting with '/'	1888	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		1890
1194	sub thawer_merge {	1891	sub thawer_merge {
1195	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1196		1893
1197	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
1198	local $self->{path};	1895	local $self->{path};
1199	local $self->{load_path};	1896	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1897
1203	$self->SUPER::thawer_merge ($merge);	1898	$self->SUPER::thawer_merge ($merge);
1204	}	1899	}
1205		1900
1206	sub normalise {	1901	sub normalise {
1207	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1208		1903
1209	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1210		1905
1211	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1212		1907
1213	# map plan:	1908	# map plan:
1214	#	1909	#
…		…
1229	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1230	$path = "$base/$path";	1925	$path = "$base/$path";
1231	}	1926	}
1232		1927
1233	for ($path) {	1928	for ($path) {
1234	redo if s{//}{/};
1235	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1236	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1237	}	1931	}
1238		1932
1239	$path	1933	$path
…		…
1253	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1254	return $self;	1948	return $self;
1255	}	1949	}
1256	}	1950	}
1257		1951
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1259	()	1953	()
1260	}	1954	}
1261		1955
1262	sub init {	1956	sub init {
1263	my ($self) = @_;	1957	my ($self) = @_;
…		…
1278		1972
1279	# the original (read-only) location	1973	# the original (read-only) location
1280	sub load_path {	1974	sub load_path {
1281	my ($self) = @_;	1975	my ($self) = @_;
1282		1976
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1977	"$MAPDIR/$self->{path}.map"
1284	}	1978	}
1285		1979
1286	# the temporary/swap location	1980	# the temporary/swap location
1287	sub save_path {	1981	sub save_path {
1288	my ($self) = @_;	1982	my ($self) = @_;
1289		1983
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1985	"$TMPDIR/$path.map"
1292	}	1986	}
1293		1987
1294	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1295	sub uniq_path {	1989	sub uniq_path {
1296	my ($self) = @_;	1990	my ($self) = @_;
1297		1991
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1993	"$UNIQUEDIR/$path"
1300	}	1994	}
1301		1995
1302	# and all this just because we cannot iterate over	1996	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	1997	my ($self) = @_;
1306		1998
1307	$_->change_map_light ($change)	1999	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	2000
		2001	$self->do_decay_objects;
1309	}	2002	}
1310		2003
1311	sub unlink_save {	2004	sub unlink_save {
1312	my ($self) = @_;	2005	my ($self) = @_;
1313		2006
…		…
1318		2011
1319	sub load_header_from($) {	2012	sub load_header_from($) {
1320	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1321		2014
1322	utf8::encode $path;	2015	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1328		2024
1329	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1330		2026
1331	1	2027	1
1332	}	2028	}
…		…
1371	$self->load_header_orig	2067	$self->load_header_orig
1372	or return;	2068	or return;
1373	$self->prepare_orig;	2069	$self->prepare_orig;
1374	}	2070	}
1375		2071
		2072	$self->{deny_reset} = 1
		2073	if $self->no_reset;
		2074
		2075	$self->default_region (cf::region::find_by_path $self->{path})
		2076	unless $self->default_region;
		2077
1376	1	2078	1
1377	}	2079	}
1378		2080
1379	sub find;	2081	sub find;
1380	sub find {	2082	sub find {
1381	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1382		2084
		2085	cf::cede_to_tick;
		2086
1383	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1384		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2091
1387	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1390	or return;	2094	or return;
1391		2095
1392	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1393		2097
1394	$map->load_header	2098	$map->load_header
1395	or return;	2099	or return;
1396		2100
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1400	$map->reset;	2106	$map->reset;
1401	undef $guard;
1402	return find $path;	2107	return find $path;
1403	}	2108	}
1404		2109
1405	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1406	}	2111	}
1407	}	2112	}
1408		2113
1409	sub pre_load { }	2114	sub pre_load { }
1410	sub post_load { }	2115	#sub post_load { } # XS
1411		2116
1412	sub load {	2117	sub load {
1413	my ($self) = @_;	2118	my ($self) = @_;
1414		2119
1415	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1416		2121
1417	my $path = $self->{path};	2122	my $path = $self->{path};
		2123
		2124	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1419		2126
		2127	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2129
1422	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1423		2131
1424	$self->alloc;	2132	$self->alloc;
1425		2133
1426	$self->pre_load;	2134	$self->pre_load;
		2135	cf::cede_to_tick;
1427		2136
1428	$self->_load_objects ($self->{load_path}, 1)	2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
		2139	$self->_load_objects ($f)
1429	or return;	2140	or return;
1430		2141
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1432	if delete $self->{load_original};	2143	if delete $self->{load_original};
1433		2144
1434	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2146	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2149	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1439	}	2153	}
1440	}	2154	}
1441		2155
1442	Coro::cede;	2156	$f->resolve_delayed_derefs;
1443		2157
		2158	cf::cede_to_tick;
1444	# now do the right thing for maps	2159	# now do the right thing for maps
1445	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2162	unless $self->difficulty;
1455	Coro::cede;	2163	cf::cede_to_tick;
		2164
		2165	unless ($self->{deny_activate}) {
		2166	$self->decay_objects;
		2167	$self->fix_auto_apply;
		2168	$self->update_buttons;
		2169	cf::cede_to_tick;
1456	$self->activate;	2170	$self->activate;
		2171	}
		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
		2176	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2177	}
1458		2178
1459	$self->post_load;	2179	$self->post_load;
1460		2180
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2181	1
1462	}	2182	}
1463		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2187	sub customise_for {
1465	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1466		2189
1467	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2191	if $self->per_player;
1469		2192
		2193	# return find "?party/" . $ob->name . "/" . $self->{path}
		2194	# if $self->per_party;
		2195
1470	$self	2196	$self
1471	}	2197	}
1472		2198
1473	# find and load all maps in the 3x3 area around a map	2199	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2200	sub load_neighbours {
1475	my ($map) = @_;	2201	my ($map) = @_;
1476		2202
1477	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1478		2204
1479	for (0 .. 3) {	2205	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1481	or next;	2207	or next;
1482	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1483	or next;	2209	or next;
1484	$neigh->load;	2210	$neigh->load;
1485		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2216	}
1489		2217
1490	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1492	or next;	2221	or next;
1493	$neigh->load;	2222	$neigh->load;
1494	}	2223	}
1495	}	2224	}
1496		2225
1497	sub find_sync {	2226	sub find_sync {
1498	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1499		2228
1500	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1501	}	2233	}
1502		2234
1503	sub do_load_sync {	2235	sub do_load_sync {
1504	my ($map) = @_;	2236	my ($map) = @_;
1505		2237
1506	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1507	}	2242	}
1508		2243
1509	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1511		2246
1512	sub find_async {	2247	sub find_async {
1513	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1514		2249
1515	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1516		2251
1517	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2254	}
1520		2255
1521	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1522	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1523	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2263	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2264	$map->load if $v;
		2265	}
1528		2266
1529	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1530	}	2268	}
1531	}	2269	}
1532	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1533	};	2271	};
1534	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1535		2273
1536	()	2274	()
1537	}	2275	}
1538		2276
		2277	# common code, used by both ->save and ->swapout
1539	sub save {	2278	sub _save {
1540	my ($self) = @_;	2279	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2280
1544	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1545		2282
1546	return unless $self->dirty;	2283	return unless $self->dirty;
1547		2284
…		…
1553	return if $self->{deny_save};	2290	return if $self->{deny_save};
1554		2291
1555	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1556		2293
1557	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1559	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1560		2300
1561	if ($uniq) {	2301	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2304	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2306	}
1567	}	2307	}
1568		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1569	sub swap_out {	2317	sub swap_out {
1570	my ($self) = @_;	2318	my ($self) = @_;
1571		2319
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1577	return if $self->players;	2324	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
1581	$self->clear;	2335	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2336	}
1584		2337
1585	sub reset_at {	2338	sub reset_at {
1586	my ($self) = @_;	2339	my ($self) = @_;
1587		2340
1588	# TODO: safety, remove and allow resettable per-player maps	2341	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2342	return 1e99 if $self->{deny_reset};
1591		2343
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2346
…		…
1605	my ($self) = @_;	2357	my ($self) = @_;
1606		2358
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2360
1609	return if $self->players;	2361	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2362
1612	warn "resetting map ", $self->path;#d#	2363	cf::trace "resetting map ", $self->path, "\n";
1613		2364
1614	$self->in_memory (cf::MAP_SWAPPED);	2365	$self->in_memory (cf::MAP_SWAPPED);
1615		2366
1616	# need to save uniques path	2367	# need to save uniques path
1617	unless ($self->{deny_save}) {	2368	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2372	if $uniq;
1622	}	2373	}
1623		2374
1624	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1625		2376
		2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2379	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2380
1630	$self->unlink_save;	2381	$self->unlink_save;
1631	$self->destroy;	2382	$self->destroy;
1632	}	2383	}
1633		2384
1634	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1635		2386
1636	sub nuke {	2387	sub nuke {
1637	my ($self) = @_;	2388	my ($self) = @_;
1638		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
1639	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
1640		2394
1641	$self->unlink_save;	2395	$self->unlink_save;
1642		2396
1643	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2402
1649	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
1650		2405
1651	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
		2407	}
		2408
		2409	=item $maps = cf::map::tmp_maps
		2410
		2411	Returns an arrayref with all map paths of currently instantiated and saved
		2412	maps. May block.
		2413
		2414	=cut
		2415
		2416	sub tmp_maps() {
		2417	[
		2418	map {
		2419	utf8::decode $_;
		2420	/\.map$/
		2421	? normalise $_
		2422	: ()
		2423	} @{ aio_readdir $TMPDIR or [] }
		2424	]
		2425	}
		2426
		2427	=item $maps = cf::map::random_maps
		2428
		2429	Returns an arrayref with all map paths of currently instantiated and saved
		2430	random maps. May block.
		2431
		2432	=cut
		2433
		2434	sub random_maps() {
		2435	[
		2436	map {
		2437	utf8::decode $_;
		2438	/\.map$/
		2439	? normalise "?random/$_"
		2440	: ()
		2441	} @{ aio_readdir $RANDOMDIR or [] }
		2442	]
1652	}	2443	}
1653		2444
1654	=item cf::map::unique_maps	2445	=item cf::map::unique_maps
1655		2446
1656	Returns an arrayref of paths of all shared maps that have	2447	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2448	instantiated unique items. May block.
1658		2449
1659	=cut	2450	=cut
1660		2451
1661	sub unique_maps() {	2452	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2453	[
1663	or return;	2454	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2455	utf8::decode $_;
1669	next if /\.pst$/;	2456	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2458	? ()
1672	push @paths, cf::map::normalise $_;	2459	: normalise $_
		2460	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2461	]
1674
1675	\@paths
1676	}	2462	}
1677		2463
1678	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
1679		2495
1680	=back	2496	=back
1681		2497
1682	=head3 cf::object	2498	=head3 cf::object
1683		2499
…		…
1687		2503
1688	=over 4	2504	=over 4
1689		2505
1690	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
1691		2507
1692	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
1693		2510
1694	=cut	2511	=cut
1695		2512
1696	sub inv_recursive_;	2513	sub inv_recursive_;
1697	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
1700		2517
1701	sub inv_recursive {	2518	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
1703	}	2520	}
1704		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
1705	package cf;	2550	package cf;
1706		2551
1707	=back	2552	=back
1708		2553
1709	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2561	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
1718		2563
1719	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
1720		2579
1721	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2581	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
1726		2585
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2586	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2587
1729	if ($self->{record_replies}) {	2588	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2589	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2590
1731	} else {	2591	} else {
		2592	my $pl = $self->contr;
		2593
		2594	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2595	my $dialog = $pl->{npc_dialog};
		2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2597
		2598	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2601	}
1734	}	2602	}
		2603	}
		2604
		2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	=cut
		2608
		2609	sub cf::object::send_msg {
		2610	my $pl = shift->contr
		2611	or return;
		2612	$pl->send_msg (@_);
1735	}	2613	}
1736		2614
1737	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
1738		2616
1739	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
1752		2630
1753	=item $player_object->enter_link	2631	=item $player_object->enter_link
1754		2632
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2634
1757	The player should be reasonably safe there for short amounts of time. You	2635	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
1759		2639
1760	Will never block.	2640	Will never block.
1761		2641
1762	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
1763		2643
…		…
1783	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2664	my ($self) = @_;
1785		2665
1786	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
1787		2667
		2668	++$self->{_link_recursion};
		2669
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2671
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2673	if $self->map && $self->map->{path} ne "{link}";
1792		2674
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2676	}
1795		2677
1796	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
		2680
		2681	return unless $self->contr->active;
1798		2682
1799	my $link_pos = delete $self->{_link_pos};	2683	my $link_pos = delete $self->{_link_pos};
1800		2684
1801	unless ($map) {	2685	unless ($map) {
1802	# restore original map position	2686	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
1815		2699
1816	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
1819		2703
1820	$map->load;	2704	$map->load;
1821	$map->load_diag;	2705	$map->load_neighbours;
1822		2706
1823	return unless $self->contr->active;	2707	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2708
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2710	if ($self->enter_map ($map, $x, $y)) {
1828	}	2711	# entering was successful
1829		2712	delete $self->{_link_recursion};
1830	cf::player->attach (	2713	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2714	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2715	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2716
1844	# try to abort aborted map switching on player login :)	2717	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2718
1862	=item $player_object->goto ($path, $x, $y)	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2720
		2721	Moves the player to the given map-path and coordinates by first freezing
		2722	her, loading and preparing them map, calling the provided $check callback
		2723	that has to return the map if sucecssful, and then unfreezes the player on
		2724	the new (success) or old (failed) map position. In either case, $done will
		2725	be called at the end of this process.
		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
		2729
1864	=cut	2730	=cut
		2731
		2732	our $GOTOGEN;
1865		2733
1866	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
		2742
		2743	# do generation counting so two concurrent goto's will be executed in-order
		2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2745
1869	$self->enter_link;	2746	$self->enter_link;
1870		2747
1871	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
1872	my $map = eval {	2770	my $map = eval {
1873	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
		2772
		2773	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2774	$map = $map->customise_for ($self);
		2775	$map = $check->($map, $x, $y, $self) if $check && $map;
		2776	} else {
		2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	}
		2779
1875	$map	2780	$map
		2781	};
		2782
		2783	if ($@) {
		2784	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2785	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2786	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2787
		2788	if ($gen == $self->{_goto_generation}) {
		2789	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
		2791	}
		2792
		2793	$done->($self) if $done;
1880	})->prio (1);	2794	})->prio (1);
1881	}	2795	}
1882		2796
1883	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
1884		2798
…		…
1904	}	2818	}
1905		2819
1906	sub prepare_random_map {	2820	sub prepare_random_map {
1907	my ($exit) = @_;	2821	my ($exit) = @_;
1908		2822
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2825	# that depends on the exit object
1914		2826
1915	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2829	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
1922	}	2836	}
1923		2837
1924	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
1925		2839
1926	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
1929		2843
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2846	undef $fh;
1933	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
1934		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
1937	}	2855	}
1938	}	2856	}
1939		2857
1940	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
1942		2860
1943	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
1944		2862
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2863	$self->enter_link;
1955		2864
1956	(async {	2865	(async {
1957	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
1958	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
1959	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
1960		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
1961	1;	2889	1
1962	}) {	2890	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2895
1968	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2897	$self->leave_link;
1970	}	2898	}
1971	})->prio (1);	2899	})->prio (1);
1972	}	2900	}
1973		2901
…		…
1987		2915
1988	utf8::encode $text;	2916	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2918	}
1991		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
		2943	}
		2944
		2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2946
		2947	Send a drawinfo or msg packet to the client, formatting the msg for the
		2948	client if neccessary. C<$type> should be a string identifying the type of
		2949	the message, with C<log> being the default. If C<$color> is negative, suppress
		2950	the message unless the client supports the msg packet.
		2951
		2952	=cut
		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
		3068	sub cf::client::send_msg {
		3069	my ($self, $channel, $msg, $color, @extra) = @_;
		3070
		3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
		3073
		3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
		3083	} elsif (ref $channel) {
		3084	# send meta info to client, if not yet sent
		3085	unless (exists $self->{channel}{$channel->{id}}) {
		3086	$self->{channel}{$channel->{id}} = $channel;
		3087	$self->ext_msg (channel_info => $channel);
		3088	}
		3089
		3090	$channel = $channel->{id};
		3091	}
		3092
		3093	return unless @extra || length $msg;
		3094
		3095	# default colour, mask it out
		3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3097	if $color & cf::NDI_DEF;
		3098
		3099	my $pkt = "msg "
		3100	. $self->{json_coder}->encode (
		3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3102	);
		3103
		3104	$self->send_big_packet ($pkt);
		3105	}
		3106
		3107	=item $client->ext_msg ($type, @msg)
		3108
		3109	Sends an ext event to the client.
		3110
		3111	=cut
		3112
		3113	sub cf::client::ext_msg($$@) {
		3114	my ($self, $type, @msg) = @_;
		3115
		3116	if ($self->extcmd == 2) {
		3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3118	} elsif ($self->extcmd == 1) { # TODO: remove
		3119	push @msg, msgtype => "event_$type";
		3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3121	}
		3122	}
		3123
		3124	=item $client->ext_reply ($msgid, @msg)
		3125
		3126	Sends an ext reply to the client.
		3127
		3128	=cut
		3129
		3130	sub cf::client::ext_reply($$@) {
		3131	my ($self, $id, @msg) = @_;
		3132
		3133	if ($self->extcmd == 2) {
		3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3135	} elsif ($self->extcmd == 1) {
		3136	#TODO: version 1, remove
		3137	unshift @msg, msgtype => "reply", msgid => $id;
		3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3139	}
		3140	}
1992		3141
1993	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
1994		3143
1995	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3145	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3146	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3147
1999	Queries can fail, so check the return code. Or don't, as queries will become	3148	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3149	become reliable at some point in the future.
2001		3150
2002	=cut	3151	=cut
2003		3152
2004	sub cf::client::query {	3153	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3154	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3162	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3163	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3164
2016	$self->send_packet ($self->{query_queue}[0][0])	3165	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3166	if @{ $self->{query_queue} } == 1;
		3167
		3168	1
2018	}	3169	}
2019		3170
2020	cf::client->attach (	3171	cf::client->attach (
		3172	on_connect => sub {
		3173	my ($ns) = @_;
		3174
		3175	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3176	},
2021	on_reply => sub {	3177	on_reply => sub {
2022	my ($ns, $msg) = @_;	3178	my ($ns, $msg) = @_;
2023		3179
2024	# this weird shuffling is so that direct followup queries	3180	# this weird shuffling is so that direct followup queries
2025	# get handled first	3181	# get handled first
…		…
2037	} else {	3193	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3194	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3195	}
2040	}	3196	}
2041	},	3197	},
		3198	on_exticmd => sub {
		3199	my ($ns, $buf) = @_;
		3200
		3201	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3202
		3203	if (ref $msg) {
		3204	my ($type, $reply, @payload) =
		3205	"ARRAY" eq ref $msg
		3206	? @$msg
		3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3208
		3209	my @reply;
		3210
		3211	if (my $cb = $EXTICMD{$type}) {
		3212	@reply = $cb->($ns, @payload);
		3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
		3218	} else {
		3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3220	}
		3221
		3222	cf::override;
		3223	},
2042	);	3224	);
2043		3225
2044	=item $client->async (\&cb)	3226	=item $client->async (\&cb)
2045		3227
2046	Create a new coroutine, running the specified callback. The coroutine will	3228	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3244
2063	$coro	3245	$coro
2064	}	3246	}
2065		3247
2066	cf::client->attach (	3248	cf::client->attach (
2067	on_destroy => sub {	3249	on_client_destroy => sub {
2068	my ($ns) = @_;	3250	my ($ns) = @_;
2069		3251
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3253	},
2072	);	3254	);
…		…
2087	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2089		3271
2090	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2091		3273
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3274	$safe->permit_only (Opcode::opset qw(
		3275	:base_core :base_mem :base_orig :base_math :base_loop
		3276	grepstart grepwhile mapstart mapwhile
		3277	sort time
		3278	));
2093		3279
2094	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2095		3281
2096	=pod	3282	=pod
2097		3283
2098	The following functions and methods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2099		3285
2100	cf::object contr pay_amount pay_player map	3286	cf::object
		3287	contr pay_amount pay_player map x y force_find force_add destroy
		3288	insert remove name archname title slaying race decrease split
		3289	value
		3290
2101	cf::object::player player	3291	cf::object::player
2102	cf::player peaceful	3292	player
2103	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2104		3299
2105	=cut	3300	=cut
2106		3301
2107	for (	3302	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2112	) {	3309	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3312	for @funs;
2117	}	3313	}
2118		3314
…		…
2133		3329
2134	my $qcode = $code;	3330	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2137		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2138	local $_;	3337	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3338
2141	my $eval =	3339	my $eval =
2142	"do {\n"	3340	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3343	. $code
2146	. "\n}"	3344	. "\n}"
2147	;	3345	;
2148		3346
		3347	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2152		3356
2153	if ($@) {	3357	if ($@) {
2154	warn "$@";	3358	warn "$@",
2155	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2157	}	3361	}
2158		3362
2159	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2160	}	3364	}
2161		3365
…		…
2175	=cut	3379	=cut
2176		3380
2177	sub register_script_function {	3381	sub register_script_function {
2178	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2179		3383
2180	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2182	}	3386	}
2183		3387
2184	=back	3388	=back
2185		3389
2186	=cut	3390	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3391
2260	#############################################################################	3392	#############################################################################
2261	# the server's init and main functions	3393	# the server's init and main functions
2262		3394
2263	sub load_facedata {	3395	sub load_facedata($) {
2264	my $path = sprintf "%s/facedata", cf::datadir;	3396	my ($path) = @_;
2265		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
		3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3403
2266	warn "loading facedata from $path\n";	3404	trace "loading facedata from $path\n";
2267		3405
2268	my $faces;
2269	0 < aio_load $path, $faces	3406	0 < aio_load $path, my $facedata
2270	or die "$path: $!";	3407	or die "$path: $!";
2271		3408
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3409	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3410
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3411	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3413
		3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3416	$facedata->{resource}{"res/exp_table"} = {
		3417	type => FT_RSRC,
		3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
		3420	};
		3421	cf::cede_to_tick;
		3422
		3423	{
		3424	my $faces = $facedata->{faceinfo};
		3425
2280	while (my ($face, $info) = each %$faces) {	3426	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3428
		3429	cf::face::set_visibility $idx, $info->{visibility};
		3430	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	Coro::cede;	3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2286	}
2287		3434
		3435	cf::cede_to_tick;
		3436	}
		3437
2288	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2289	next unless $info->{smooth};	3439	next unless $info->{smooth};
		3440
2290	my $idx = cf::face::find $face	3441	my $idx = cf::face::find $face
		3442	or next;
		3443
		3444	if (my $smooth = cf::face::find $info->{smooth}) {
		3445	cf::face::set_smooth $idx, $smooth;
		3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3447	} else {
		3448	error "smooth face '$info->{smooth}' not found for face '$face'";
		3449	}
		3450
		3451	cf::cede_to_tick;
		3452	}
		3453	}
		3454
		3455	{
		3456	my $anims = $facedata->{animinfo};
		3457
		3458	while (my ($anim, $info) = each %$anims) {
		3459	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3460	cf::cede_to_tick;
		3461	}
		3462
		3463	cf::anim::invalidate_all; # d'oh
		3464	}
		3465
		3466	{
		3467	my $res = $facedata->{resource};
		3468
		3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
		3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3472
		3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3474	cf::face::set_type $idx, $info->{type};
		3475	} else {
		3476	$RESOURCE{$name} = $info; # unused
		3477	}
		3478
		3479	cf::cede_to_tick;
		3480	}
		3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3484
		3485	1
		3486	}
		3487
		3488	register_exticmd fx_want => sub {
		3489	my ($ns, $want) = @_;
		3490
		3491	while (my ($k, $v) = each %$want) {
		3492	$ns->fx_want ($k, $v);
		3493	}
		3494	};
		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
		3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
		3511	load_resource_file "$MAPDIR/regions"
		3512	or die "unable to load regions file\n";
		3513
		3514	for (cf::region::list) {
		3515	$_->{match} = qr/$_->{match}/
		3516	if exists $_->{match};
		3517	}
		3518	}
		3519
		3520	sub reload_facedata {
		3521	load_facedata "$DATADIR/facedata"
		3522	or die "unable to load facedata\n";
		3523	}
		3524
		3525	sub reload_archetypes {
		3526	load_resource_file "$DATADIR/archetypes"
		3527	or die "unable to load archetypes\n";
		3528	}
		3529
		3530	sub reload_treasures {
		3531	load_resource_file "$DATADIR/treasures"
		3532	or die "unable to load treasurelists\n";
		3533	}
		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
2291	or next;	3545	or next;
2292	if (my $smooth = cf::face::find $info->{smooth}) {
2293	cf::face::set_smooth $idx, $smooth;
2294	} else {
2295	warn "smooth face '$info->{smooth}' not found for face '$face'";
2296	}
2297	Coro::cede;
2298	}
2299		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2300	1	3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
2301	}	3556	}
2302		3557
2303	sub reload_resources {	3558	sub reload_resources {
2304	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3559	trace "reloading resource files...\n";
2305	or die "unable to load regions file\n";#d#	3560
		3561	reload_exp_table;
		3562	reload_materials;
2306	load_facedata	3563	reload_facedata;
2307	or die "unable to load facedata\n";#d#	3564	reload_sound;
2308	}	3565	reload_archetypes;
2309
2310	sub init {
2311	reload_resources;	3566	reload_regions;
2312	}	3567	reload_treasures;
2313		3568
2314	sub cfg_load {	3569	trace "finished reloading resource files\n";
2315	open my $fh, "<:utf8", cf::confdir . "/config"	3570	}
2316	or return;
2317		3571
2318	local $/;	3572	sub reload_config {
2319	*CFG = YAML::Syck::Load <$fh>;	3573	trace "reloading config file...\n";
2320		3574
		3575	0 < aio_load "$CONFDIR/config", my $config
		3576	or die "$CONFDIR/config: $!";
		3577
		3578	utf8::decode $config;
		3579	*CFG = yaml_load $config;
		3580
2321	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2322		3582
2323	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2324	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2325		3585
2326	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2330	};	3590	};
2331	warn $@ if $@;	3591	warn $@ if $@;
2332	}	3592	}
2333	}	3593	}
2334		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
2335	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
2336	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2337	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2338	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2339	(async {	3636	(async {
2340	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2341	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2342	};	3640	};
2343		3641
2344	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
		3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
2345	db_init;	3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
2346	load_extensions;	3665	load_extensions;
2347		3666
2348	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2349	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
2350	}	3685	}
2351		3686
2352	#############################################################################	3687	#############################################################################
2353	# initialisation and cleanup	3688	# initialisation and cleanup
2354		3689
2355	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2356	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2357	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2358	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2359	reentrant => 0,
2360	data => WF_AUTOCANCEL,
2361	signal => $signal,
2362	prio => 0,
2363	cb => sub {
2364	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2365	},
2366	);	3696	};
		3697	}
		3698	}
		3699
		3700	sub write_runtime_sync {
		3701	my $t0 = AE::time;
		3702
		3703	# first touch the runtime file to show we are still running:
		3704	# the fsync below can take a very very long time.
		3705
		3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3707
		3708	my $guard = cf::lock_acquire "write_runtime";
		3709
		3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3711	or return;
		3712
		3713	my $value = $cf::RUNTIME + 90 + 10;
		3714	# 10 is the runtime save interval, for a monotonic clock
		3715	# 60 allows for the watchdog to kill the server.
		3716
		3717	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3718	and return;
		3719
		3720	# always fsync - this file is important
		3721	aio_fsync $fh
		3722	and return;
		3723
		3724	# touch it again to show we are up-to-date
		3725	aio_utime $fh, undef, undef;
		3726
		3727	close $fh
		3728	or return;
		3729
		3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3731	and return;
		3732
		3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3734
2367	}	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
2368	}	3786	}
2369		3787
2370	sub emergency_save() {	3788	sub emergency_save() {
2371	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2372		3790
2373	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
2374		3797
2375	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2376	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2377	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2378	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2379	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2380	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2381	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2382	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2383	$pl->save;	3809	$pl->save;
2384	}	3810	}
2385	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2386		3812
2387	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
2388	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2389	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2390	$map->valid or next;	3818	$map->valid or next;
2391	$map->save;	3819	$map->save;
2392	}	3820	}
2393	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
2394		3822
2395	warn "begin emergency database checkpoint\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
2396	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2397	warn "end emergency database checkpoint\n";	3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2398	};	3851	};
2399		3852
2400	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2401	}	3854	}
2402		3855
2403	sub post_cleanup {	3856	sub post_cleanup {
2404	my ($make_core) = @_;	3857	my ($make_core) = @_;
2405		3858
		3859	IO::AIO::flush;
		3860
2406	warn Carp::longmess "post_cleanup backtrace"	3861	error Carp::longmess "post_cleanup backtrace"
2407	if $make_core;	3862	if $make_core;
2408	}
2409		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
		3891	}
		3892
2410	sub reload() {	3893	sub do_reload_perl() {
2411	# can/must only be called in main	3894	# can/must only be called in main
2412	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2413	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2414	return;	3897	return;
2415	}	3898	}
2416		3899
2417	warn "reloading...";	3900	return if $RELOAD++;
2418		3901
2419	warn "entering sync_job";	3902	my $t1 = AE::time;
2420		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
2421	cf::sync_job {	3910	cf::sync_job {
2422	cf::write_runtime; # external watchdog should not bark
2423	cf::emergency_save;	3911	#cf::emergency_save;
2424	cf::write_runtime; # external watchdog should not bark
2425		3912
2426	warn "syncing database to disk";
2427	BDB::db_env_txn_checkpoint $DB_ENV;
2428
2429	# if anything goes wrong in here, we should simply crash as we already saved
2430
2431	warn "cancelling all WF_AUTOCANCEL watchers";
2432	for (Event::all_watchers) {
2433	$_->cancel if $_->data & WF_AUTOCANCEL;
2434	}
2435
2436	warn "flushing outstanding aio requests";
2437	for (;;) {
2438	BDB::flush;
2439	IO::AIO::flush;
2440	Coro::cede;
2441	last unless IO::AIO::nreqs || BDB::nreqs;
2442	warn "iterate...";
2443	}
2444
2445	++$RELOAD;
2446
2447	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
2448	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2449	%EXT_CORO = ();	3915	%EXT_CORO = ();
2450		3916
2451	warn "removing commands";	3917	trace "perl_reload: removing commands";
2452	%COMMAND = ();	3918	%COMMAND = ();
2453		3919
2454	warn "removing ext commands";	3920	trace "perl_reload: removing ext/exti commands";
2455	%EXTCMD = ();	3921	%EXTCMD = ();
		3922	%EXTICMD = ();
2456		3923
2457	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2458	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2459	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2460		3927
2461	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2462	eval {	3929	eval {
2463	$cb->($pkg);	3930	$cb->($pkg);
2464	1	3931	1
2465	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
2466	}	3937	}
2467		3938
2468	warn "... nuking $pkg";
2469	Symbol::delete_package $pkg;
2470	}
2471
2472	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2473	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2474	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2475		3942
2476	warn "... unloading $k";	3943	trace "... unloading $k";
2477	delete $INC{$k};	3944	delete $INC{$k};
2478		3945
2479	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2480	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2481		3948
2482	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2483	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2484	}	3954	}
2485		3955
2486	Symbol::delete_package $k;
2487	}
2488
2489	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2490	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2491	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2492		3959
2493	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2494	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
		3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2495		3963
2496	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2497	# and global variables created in xs	3965	# and global variables created in xs
2498	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2499		3967
2500	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
2501		3969
2502	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
2503	require cf;	3971	require cf;
2504	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2505		3973
2506	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
2507	cf::cfg_load;	3975	cf::reload_config;
2508		3976
2509	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
2510	cf::load_extensions;	3978	cf::load_extensions;
2511		3979
		3980	if ($REATTACH_ON_RELOAD) {
2512	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
2513	_global_reattach; # objects, sockets	3982	_global_reattach; # objects, sockets
2514	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
2515	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
2516	warn "reattaching attachments to players";	3985	trace "perl_reload: reattaching attachments to players";
2517	reattach $_ for values %PLAYER;	3986	reattach $_ for values %PLAYER;
		3987	}
2518		3988
2519	warn "loading reloadable resources";	3989	cf::_post_init 1;
2520	reload_resources;
2521		3990
2522	warn "leaving sync_job";	3991	trace "perl_reload: leaving sync_job";
2523		3992
2524	1	3993	1
2525	} or do {	3994	} or do {
2526	warn $@;	3995	error $@;
2527	warn "error while reloading, exiting.";	3996	cf::cleanup "perl_reload: error, exiting.";
2528	exit 1;	3997	};
		3998
		3999	--$RELOAD;
		4000	}
		4001
		4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
		4004	};
		4005
		4006	our $RELOAD_WATCHER; # used only during reload
		4007
		4008	sub reload_perl() {
		4009	# doing reload synchronously and two reloads happen back-to-back,
		4010	# coro crashes during coro_state_free->destroy here.
		4011
		4012	$RELOAD_WATCHER ||= cf::async {
		4013	Coro::AIO::aio_wait cache_extensions;
		4014
		4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4016	do_reload_perl;
		4017	undef $RELOAD_WATCHER;
		4018	};
2529	};	4019	};
2530		4020	}
2531	warn "reloaded";
2532	};
2533
2534	our $RELOAD_WATCHER; # used only during reload
2535		4021
2536	register_command "reload" => sub {	4022	register_command "reload" => sub {
2537	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
2538		4024
2539	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
2540	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
2541		4027	async {
2542	# doing reload synchronously and two reloads happen back-to-back,	4028	$Coro::current->{desc} = "perl_reload";
2543	# coro crashes during coro_state_free->destroy here.
2544
2545	$RELOAD_WATCHER ||= Event->timer (
2546	reentrant => 0,
2547	after => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => sub {
2550	reload;	4029	reload_perl;
2551	undef $RELOAD_WATCHER;
2552	},
2553	);	4030	};
2554	}	4031	}
2555	};	4032	};
2556		4033
2557	unshift @INC, $LIBDIR;	4034	#############################################################################
2558		4035
2559	my $bug_warning = 0;	4036	my $bug_warning = 0;
2560		4037
2561	$TICK_WATCHER = Event->timer (	4038	our @WAIT_FOR_TICK;
2562	reentrant => 0,	4039	our @WAIT_FOR_TICK_BEGIN;
2563	parked => 1,	4040
2564	prio => 0,	4041	sub wait_for_tick() {
2565	at => $NEXT_TICK || $TICK,	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2566	data => WF_AUTOCANCEL,	4043
2567	cb => sub {	4044	my $signal = new Coro::Signal;
		4045	push @WAIT_FOR_TICK, $signal;
		4046	$signal->wait;
		4047	}
		4048
		4049	sub wait_for_tick_begin() {
		4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4051
		4052	my $signal = new Coro::Signal;
		4053	push @WAIT_FOR_TICK_BEGIN, $signal;
		4054	$signal->wait;
		4055	}
		4056
		4057	sub tick {
2568	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
2569	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2570	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
2571	return;	4061	return;
2572	}	4062	}
2573		4063
2574	$NOW = Event::time;
2575
2576	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
2577	$RUNTIME += $TICK;
2578	$NEXT_TICK += $TICK;
2579		4065
		4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4067
2580	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2581	$NEXT_RUNTIME_WRITE = $NOW + 10;	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2582	Coro::async_pool {	4070	Coro::async_pool {
		4071	$Coro::current->{desc} = "runtime saver";
2583	write_runtime	4072	write_runtime_sync
2584	or warn "ERROR: unable to write runtime file: $!";	4073	or error "ERROR: unable to write runtime file: $!";
2585	};
2586	}	4074	};
2587
2588	$WAIT_FOR_TICK->broadcast;
2589	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2590
2591	# my $AFTER = Event::time;
2592	# warn $AFTER - $NOW;#d#
2593
2594	# if we are delayed by four ticks or more, skip them all
2595	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2596
2597	$TICK_WATCHER->at ($NEXT_TICK);
2598	$TICK_WATCHER->start;
2599	},	4075	}
2600	);	4076
		4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4078	$sig->send;
		4079	}
		4080	while (my $sig = shift @WAIT_FOR_TICK) {
		4081	$sig->send;
		4082	}
		4083
		4084	$LOAD = ($NOW - $TICK_START) / $TICK;
		4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4086
		4087	if (0) {
		4088	if ($NEXT_TICK) {
		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
		4093	}
		4094	}
2601		4095
2602	{	4096	{
2603	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
2604	$BDB_POLL_WATCHER = Event->io (	4098
2605	reentrant => 0,
2606	fd => BDB::poll_fileno,
2607	poll => 'r',
2608	prio => 0,
2609	data => WF_AUTOCANCEL,
2610	cb => \&BDB::poll_cb,
2611	);
2612	BDB::min_parallel 8;	4099	BDB::min_parallel 16;
2613		4100	BDB::max_poll_reqs $TICK * 0.1;
2614	BDB::set_sync_prepare {	4101	$AnyEvent::BDB::WATCHER->priority (1);
2615	my $status;
2616	my $current = $Coro::current;
2617	(
2618	sub {
2619	$status = $!;
2620	$current->ready; undef $current;
2621	},
2622	sub {
2623	Coro::schedule while defined $current;
2624	$! = $status;
2625	},
2626	)
2627	};
2628		4102
2629	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
2630	$DB_ENV = BDB::db_env_create;	4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2631		4110
2632	cf::sync_job {	4111	cf::sync_job {
2633	eval {	4112	eval {
2634	BDB::db_env_open	4113	BDB::db_env_open
2635	$DB_ENV,	4114	$DB_ENV,
2636	$BDB_ENV_DIR,	4115	$BDBDIR,
2637	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2638	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2639	0666;	4118	0666;
2640		4119
2641	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2642
2643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2644	$DB_ENV->set_lk_detect;
2645	};	4121	};
2646		4122
2647	cf::cleanup "db_env_open(db): $@" if $@;	4123	cf::cleanup "db_env_open(db): $@" if $@;
2648	};	4124	};
2649	}	4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
2650	}	4136	}
2651		4137
2652	{	4138	{
		4139	# configure IO::AIO
		4140
2653	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
2654
2655	undef $Coro::AIO::WATCHER;
2656	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
2657	$AIO_POLL_WATCHER = Event->io (	4143	undef $AnyEvent::AIO::WATCHER;
2658	reentrant => 0,
2659	data => WF_AUTOCANCEL,
2660	fd => IO::AIO::poll_fileno,
2661	poll => 'r',
2662	prio => 6,
2663	cb => \&IO::AIO::poll_cb,
2664	);
2665	}	4144	}
		4145
		4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
		4148
		4149	sub _log_backtrace {
		4150	my ($msg, @addr) = @_;
		4151
		4152	$msg =~ s/\n$//;
		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4157	# limit the # of concurrent backtraces
		4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
		4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
		4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
		4165	my @bt = fork_call {
		4166	@addr = map { sprintf "%x", $_ } @addr;
		4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4169	or die "addr2line: $!";
		4170
		4171	my @funcs;
		4172	my @res = <$fh>;
		4173	chomp for @res;
		4174	while (@res) {
		4175	my ($func, $line) = splice @res, 0, 2, ();
		4176	push @funcs, "[$func] $line";
		4177	}
		4178
		4179	@funcs
		4180	};
		4181
		4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4184	LOG llevInfo, "[ABT] $_\n" for @bt;
		4185	--$_log_backtrace;
		4186	};
		4187	} else {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4190	}
		4191	}
		4192
		4193	# load additional modules
		4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
2666		4196
2667	END { cf::emergency_save }	4197	END { cf::emergency_save }
2668		4198
2669	1	4199	1
2670		4200

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