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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.548 by root, Mon May 10 21:40:22 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		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";
29	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
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	121	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
61		130
62	our %CFG;	131	our %CFG;
63		132
64	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
66		136
67	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		140
76	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
79	binmode STDOUT;	154	binmode STDOUT;
80	binmode STDERR;	155	binmode STDERR;
81		156
82	# read virtual server time, if available	157	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
87	}	162	}
88		163
89	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	165
91	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		168
96	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
97		170
98	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		187
100	#############################################################################	188	#############################################################################
101		189
102	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
103		191
…		…
110	=item $cf::RUNTIME	198	=item $cf::RUNTIME
111		199
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	201	every server tick.
114		202
115	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		206
117	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
119		211
120	=item $cf::NOW	212	=item $cf::NOW
121		213
122	The time of the last (current) server tick.	214	The time of the last (current) server tick.
123		215
124	=item $cf::TICK	216	=item $cf::TICK
125		217
126	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
127		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
128	=item %cf::CFG	230	=item %cf::CFG
129		231
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	233	from wherever your confdir points to.
132		234
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		236
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
139		257
140	=back	258	=back
141		259
142	=cut	260	=cut
143		261
144	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	269	my $msg = join "", @_;
147	utf8::encode $msg;
148		270
149	$msg .= "\n"	271	$msg .= "\n"
150	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
151		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
152	LOG llevError, $msg;	276	LOG llevWarn, $msg;
153	};	277	};
154	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
155		292
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		300
163	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	302	# within the Safe compartment.
165	for my $pkg (qw(	303	for my $pkg (qw(
166	cf::global cf::attachable	304	cf::global cf::attachable
167	cf::object cf::object::player	305	cf::object cf::object::player
168	cf::client cf::player	306	cf::client cf::player
169	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
170	cf::map cf::party cf::region	309	cf::party cf::region
171	)) {	310	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	312	}
175		313
176	$Event::DIED = sub {	314	$EV::DIED = sub {
177	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
178	};	316	};
		317
		318	#############################################################################
179		319
180	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
181		321
182	=over 4	322	=over 4
183		323
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	343	$d
204	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
205	}	345	}
206		346
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
210		348
211	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
212		350
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
221		352
222	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
223		354
224	=cut	355	=cut
225		356
226	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
228	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
229	}	386	}
230		387
231	=item cf::lock_wait $string	388	=item cf::lock_wait $string
232		389
233	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
234		391
235	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
236		393
237	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
240	returned.	397	returned.
241		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
242	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
244		404
245	=cut	405	=item $locked = cf::lock_active $string
246		406
247	our %LOCK;	407	Return true if the lock is currently active, i.e. somebody has locked it.
		408
		409	=cut
		410
		411	our $LOCKS = new Coro::SemaphoreSet;
248		412
249	sub lock_wait($) {	413	sub lock_wait($) {
250	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	415	}
258		416
259	sub lock_acquire($) {	417	sub lock_acquire($) {
260	my ($key) = @_;	418	$LOCKS->guard ($_[0])
		419	}
261		420
262	# wait, to be sure we are not locked	421	sub lock_active($) {
263	lock_wait $key;	422	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	423	}
272		424
273	sub freeze_mainloop {	425	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
275		427
276	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	429	}
		430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
278	};	495	}
279	$TICK_WATCHER->stop;	496	};
280	$guard	497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
281	}	511	}
282		512
283	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
284		514
285	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		520
291	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
292		522
293	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
294		524
295	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
298		529
299	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
302	fast or be very important.	533	fast or be very important.
…		…
304	=cut	535	=cut
305		536
306	sub sync_job(&) {	537	sub sync_job(&) {
307	my ($job) = @_;	538	my ($job) = @_;
308		539
309	if ($Coro::current == $Coro::main) {	540	if (in_main) {
		541	my $time = AE::time;
		542
310	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
312		545
313	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	547
315	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
316		549
317	my $busy = 1;	550	my $busy = 1;
318	my @res;	551	my @res;
319		552
320	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	555	@res = eval { $job->() };
322	warn $@ if $@;	556	error $@ if $@;
323	undef $busy;	557	undef $busy;
324	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
325		559
326	while ($busy) {	560	while ($busy) {
327	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
328	}	565	}
		566	}
		567
		568	my $time = AE::time - $time;
		569
		570	$TICK_START += $time; # do not account sync jobs to server load
329		571
330	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
331	} else {	573	} else {
332	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
333		575
…		…
353	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
354		596
355	$coro	597	$coro
356	}	598	}
357		599
358	sub write_runtime {	600	=item fork_call { }, @args
359	my $runtime = cf::localdir . "/runtime";
360		601
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	602	Executes the given code block with the given arguments in a seperate
362	or return;	603	process, returning the results. Everything must be serialisable with
		604	Coro::Storable. May, of course, block. Note that the executed sub may
		605	never block itself or use any form of event handling.
363		606
364	my $value = $cf::RUNTIME + 90 + 10;	607	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		608
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	609	sub post_fork {
369	and return;	610	reset_signals;
		611	}
370		612
371	# always fsync - this file is important	613	sub fork_call(&@) {
372	aio_fsync $fh	614	my ($cb, @args) = @_;
373	and return;
374		615
375	close $fh	616	# we seemingly have to make a local copy of the whole thing,
376	or return;	617	# otherwise perl prematurely frees the stuff :/
		618	# TODO: investigate and fix (likely this will be rather laborious)
377		619
378	aio_rename "$runtime~", $runtime	620	my @res = Coro::Util::fork_eval {
379	and return;	621	cf::post_fork;
		622	&$cb
		623	} @args;
380		624
		625	wantarray ? @res : $res[-1]
		626	}
		627
		628	sub objinfo {
381	1	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
		664	}
		665
		666	=item $value = cf::db_get $family => $key
		667
		668	Returns a single value from the environment database.
		669
		670	=item cf::db_put $family => $key => $value
		671
		672	Stores the given C<$value> in the family. It can currently store binary
		673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
		680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
		701
		702	our $DB;
		703
		704	sub db_init {
		705	$DB ||= db_table "db";
		706	}
		707
		708	sub db_get($$) {
		709	my $key = "$_[0]/$_[1]";
		710
		711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
		714	BDB::db_get $DB, undef, $key, my $data;
		715
		716	$! ? ()
		717	: $data
		718	}
		719
		720	sub db_put($$$) {
		721	BDB::dbreq_pri 4;
		722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		723	}
		724
		725	=item cf::cache $id => [$paths...], $processversion => $process
		726
		727	Generic caching function that returns the value of the resource $id,
		728	caching and regenerating as required.
		729
		730	This function can block.
		731
		732	=cut
		733
		734	sub cache {
		735	my ($id, $src, $processversion, $process) = @_;
		736
		737	my $meta =
		738	join "\x00",
		739	$processversion,
		740	map {
		741	aio_stat $_
		742	and Carp::croak "$_: $!";
		743
		744	($_, (stat _)[7,9])
		745	} @$src;
		746
		747	my $dbmeta = db_get cache => "$id/meta";
		748	if ($dbmeta ne $meta) {
		749	# changed, we may need to process
		750
		751	my @data;
		752	my $md5;
		753
		754	for (0 .. $#$src) {
		755	0 <= aio_load $src->[$_], $data[$_]
		756	or Carp::croak "$src->[$_]: $!";
		757	}
		758
		759	# if processing is expensive, check
		760	# checksum first
		761	if (1) {
		762	$md5 =
		763	join "\x00",
		764	$processversion,
		765	map {
		766	cf::cede_to_tick;
		767	($src->[$_], Digest::MD5::md5_hex $data[$_])
		768	} 0.. $#$src;
		769
		770
		771	my $dbmd5 = db_get cache => "$id/md5";
		772	if ($dbmd5 eq $md5) {
		773	db_put cache => "$id/meta", $meta;
		774
		775	return db_get cache => "$id/data";
		776	}
		777	}
		778
		779	my $t1 = Time::HiRes::time;
		780	my $data = $process->(\@data);
		781	my $t2 = Time::HiRes::time;
		782
		783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		784
		785	db_put cache => "$id/data", $data;
		786	db_put cache => "$id/md5" , $md5;
		787	db_put cache => "$id/meta", $meta;
		788
		789	return $data;
		790	}
		791
		792	db_get cache => "$id/data"
		793	}
		794
		795	=item cf::datalog type => key => value, ...
		796
		797	Log a datalog packet of the given type with the given key-value pairs.
		798
		799	=cut
		800
		801	sub datalog($@) {
		802	my ($type, %kv) = @_;
		803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	804	}
383		805
384	=back	806	=back
385		807
386	=cut	808	=cut
387		809
388	#############################################################################	810	#############################################################################
389		811
390	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
391		813
392	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
395		817
396	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	820	Deliantra).
399		821
400	=over 4	822	=over 4
401		823
402	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
403		825
…		…
447	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
448		870
449	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
451		873
452	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
454		876
455	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
456		878
457	=over 4	879	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	988	$registry = $CB_TYPE[$object_type] ||= [];
567		989
568	} elsif ($type eq "subtype") {	990	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	991	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	992	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	993	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		994
573	} elsif ($type eq "package") {	995	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	996	my $pkg = shift @arg;
575		997
576	while (my ($name, $id) = each %cb_id) {	998	while (my ($name, $id) = each %cb_id) {
…		…
581		1003
582	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		1006
585	} elsif (ref $type) {	1007	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
587		1009
588	} else {	1010	} else {
589	shift @arg;	1011	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
591	}	1013	}
592	}	1014	}
593	}	1015	}
594		1016
595	sub _object_attach {	1017	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
606	}	1028	}
607		1029
608	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
609	} else {	1031	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1033	}
612		1034
613	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
614	}	1036	}
615		1037
…		…
617	if (ref $_[0]) {	1039	if (ref $_[0]) {
618	_object_attach @_;	1040	_object_attach @_;
619	} else {	1041	} else {
620	_attach shift->_attach_registry, @_;	1042	_attach shift->_attach_registry, @_;
621	}	1043	}
		1044	_recalc_want;
622	};	1045	};
623		1046
624	# all those should be optimised	1047	# all those should be optimised
625	sub cf::attachable::detach {	1048	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1052	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1053	reattach ($obj);
631	} else {	1054	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1055	Carp::croak "cannot, currently, detach class attachments";
633	}	1056	}
		1057	_recalc_want;
634	};	1058	};
635		1059
636	sub cf::attachable::attached {	1060	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1061	my ($obj, $name) = @_;
638		1062
…		…
653	";	1077	";
654	die if $@;	1078	die if $@;
655	}	1079	}
656		1080
657	our $override;	1081	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1083
660	sub override {	1084	sub override {
661	$override = 1;	1085	$override = 1;
662	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
663	}	1087	}
664		1088
665	sub do_invoke {	1089	sub do_invoke {
666	my $event = shift;	1090	my $event = shift;
667	my $callbacks = shift;	1091	my $callbacks = shift;
668		1092
669	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
670		1094
671	local $override;	1095	local $override;
672		1096
673	for (@$callbacks) {	1097	for (@$callbacks) {
674	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
675		1099
676	if ($@) {	1100	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1102	override;
680	}	1103	}
681		1104
682	return 1 if $override;	1105	return 1 if $override;
683	}	1106	}
684		1107
685	0	1108	0
686	}	1109	}
687		1110
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1112
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1114
692	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
693		1116
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1120
698	=back	1121	=back
699		1122
700	=cut	1123	=cut
701		1124
702	#############################################################################	1125	#############################################################################
703	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
704		1169
705	sub reattach {	1170	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1172	my ($obj) = @_;
708		1173
		1174	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1176
711	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
712		1178
713	@$registry = ();	1179	@$registry = ();
714		1180
…		…
719	for (@$attach) {	1185	for (@$attach) {
720	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
722	}	1188	}
723	} else {	1189	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1191	}
726	}	1192	}
727	}	1193	}
728		1194
729	cf::attachable->attach (	1195	cf::attachable->attach (
730	prio => -1000000,	1196	prio => -1000000,
731	on_instantiate => sub {	1197	on_instantiate => sub {
732	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
733		1199
734	$data = from_json $data;	1200	$data = decode_json $data;
735		1201
736	for (@$data) {	1202	for (@$data) {
737	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
738		1204
739	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1221	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
757		1223
758	sync_job {	1224	sync_job {
759	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
762		1230
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
767	close $fh;	1238	aio_close $fh;
768		1239
769	if (@$objs) {	1240	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
775	close $fh;	1249	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
777	}	1251	}
778	} else {	1252	} else {
779	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
780	}	1254	}
781		1255
782	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1260	} else {
784	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
785	}	1262	}
786	} else {	1263	} else {
787	aio_unlink $filename;	1264	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
789	}	1266	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1267	};
797	}	1268	}
798		1269
799	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
801		1272
…		…
806		1277
807	sub object_thawer_load {	1278	sub object_thawer_load {
808	my ($filename) = @_;	1279	my ($filename) = @_;
809		1280
810	my ($data, $av);	1281	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1282
815	(aio_load $filename, $data) >= 0	1283	(aio_load $filename, $data) >= 0
816	or return;	1284	or return;
817		1285
818	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
820	or return;	1288	or return;
		1289
821	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
822	}	1292	}
823		1293
		1294	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
826	return ($data, $av);	1299	($data, $av)
827	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
828		1307
829	#############################################################################	1308	#############################################################################
830	# command handling &c	1309	# command handling &c
831		1310
832	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1325	}
847		1326
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1328
850	Register a callbackf ro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
851		1334
852	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
853	called.	1336	called.
854		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
855	=cut	1349	=cut
856		1350
857	sub register_extcmd {	1351	sub register_extcmd {
858	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
859		1353
860	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
861	}	1355	}
862		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
863	cf::player->attach (	1365	cf::player->attach (
864	on_command => sub {	1366	on_unknown_command => sub {
865	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
866		1368
867	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
868	or return;	1370	or return;
869		1371
…		…
874	cf::override;	1376	cf::override;
875	},	1377	},
876	on_extcmd => sub {	1378	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
878		1380
879	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1382
881	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
887	} else {	1398	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1400	}
890		1401
891	cf::override;	1402	cf::override;
892	},	1403	},
893	);	1404	);
894		1405
		1406	# "readahead" all extensions
895	sub load_extension {	1407	sub cache_extensions {
896	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
897		1409
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1413	}
923	die $@;
924	}	1414	};
925		1415
926	push @EXTS, $pkg;	1416	$grp
927	}	1417	}
928		1418
929	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
930	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1426	next unless -r $path;
932	eval {	1427
933	load_extension $ext;	1428	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1429	my $base = $1;
		1430	my $pkg = $1;
		1431	$pkg =~ s/[^[:word:]]/_/g;
		1432	$pkg = "ext::$pkg";
		1433
		1434	open my $fh, "<:utf8", $path
		1435	or die "$path: $!";
		1436
		1437	my $source = do { local $/; <$fh> };
		1438
		1439	my %ext = (
		1440	path => $path,
		1441	base => $base,
		1442	pkg => $pkg,
		1443	);
		1444
		1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1447
		1448	$ext{source} =
		1449	"package $pkg; use common::sense;\n"
		1450	. "#line 1 \"$path\"\n{\n"
		1451	. $source
		1452	. "\n};\n1";
		1453
		1454	$todo{$base} = \%ext;
		1455	}
		1456
		1457	my $pass = 0;
		1458	my %done;
		1459	while (%todo) {
		1460	my $progress;
		1461
		1462	++$pass;
		1463
		1464	ext:
		1465	while (my ($k, $v) = each %todo) {
		1466	for (split /,\s*/, $v->{meta}{depends}) {
		1467	next ext
		1468	unless exists $done{$_};
		1469	}
		1470
		1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1472
		1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
		1476	error "$v->{path}: $@\n";
		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1479	if exists $v->{meta}{mandatory};
		1480
		1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1482	delete $todo{$k};
		1483	} else {
		1484	$done{$k} = delete $todo{$k};
		1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
		1490	}
934	1	1491	}
935	} or warn "$ext not loaded: $@";	1492
		1493	unless ($progress) {
		1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
		1501	}
936	}	1502	};
937	}	1503	}
938		1504
939	#############################################################################	1505	#############################################################################
940		1506
		1507	=back
		1508
941	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
942		1510
943	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
944		1512
945	=cut	1513	=cut
946		1514
947	package cf::player;	1515	package cf::player;
948		1516
…		…
950		1518
951	=head3 cf::player	1519	=head3 cf::player
952		1520
953	=over 4	1521	=over 4
954		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
		1536
955	=item cf::player::find $login	1537	=item cf::player::find $login
956		1538
957	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
958		1540
959	=cut	1541	=cut
960		1542
961	sub playerdir($) {	1543	sub playerdir($) {
962	cf::localdir	1544	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1545	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1546	}
968		1547
969	sub path($) {	1548	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1549	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1550
972	(playerdir $login) . "/$login.pl"	1551	(playerdir $login) . "/playerdata"
973	}	1552	}
974		1553
975	sub find_active($) {	1554	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1555	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1556	and $cf::PLAYER{$_[0]}->active
…		…
980		1559
981	sub exists($) {	1560	sub exists($) {
982	my ($login) = @_;	1561	my ($login) = @_;
983		1562
984	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
986	}	1565	}
987		1566
988	sub find($) {	1567	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1569	my $login = $_[0];
991		1570
992	my $guard = cf::lock_acquire "user_find:$login";	1571	my $guard = cf::lock_acquire "user_find:$login";
993		1572
994	$cf::PLAYER{$_[0]} || do {	1573	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1574	# rename old playerfiles to new ones
		1575	#TODO: remove when no longer required
		1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1579	aio_unlink +(playerdir $login) . "/$login.pl";
		1580
		1581	my $f = new_from_file cf::object::thawer path $login
996	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
998	}	1590	}
999	}	1591	}
1000	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1001		1606
1002	sub save($) {	1607	sub save($) {
1003	my ($pl) = @_;	1608	my ($pl) = @_;
1004		1609
1005	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1010	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1011		1616
1012	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1014		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1015	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1016	Coro::cede;	1626	cf::cede_to_tick;
1017	}	1627	}
1018		1628
1019	sub new($) {	1629	sub new($) {
1020	my ($login) = @_;	1630	my ($login) = @_;
1021		1631
…		…
1027	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1028		1638
1029	$self	1639	$self
1030	}	1640	}
1031		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1032	=item $pl->quit_character	1652	=item $pl->quit_character
1033		1653
1034	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1036		1656
1037	=cut	1657	=cut
1038		1658
1039	sub quit_character {	1659	sub quit_character {
1040	my ($pl) = @_;	1660	my ($pl) = @_;
1041		1661
		1662	my $name = $pl->ob->name;
		1663
1042	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1044		1666
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1671	ext::highscore::check ($pl->ob);
		1672
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1673	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1048	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1049		1675
1050	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1679	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1680	$pl->destroy;
		1681
		1682	my $prefix = qr<^~\Q$name\E/>;
		1683
		1684	# nuke player maps
		1685	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1686
1055	IO::AIO::aio_rmtree $temp;	1687	IO::AIO::aio_rmtree $temp;
		1688	}
		1689
		1690	=item $pl->kick
		1691
		1692	Kicks a player out of the game. This destroys the connection.
		1693
		1694	=cut
		1695
		1696	sub kick {
		1697	my ($pl, $kicker) = @_;
		1698
		1699	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1700	$pl->killer ("kicked");
		1701	$pl->ns->destroy;
1056	}	1702	}
1057		1703
1058	=item cf::player::list_logins	1704	=item cf::player::list_logins
1059		1705
1060	Returns am arrayref of all valid playernames in the system, can take a	1706	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1707	while and may block, so not sync_job-capable, ever.
1062		1708
1063	=cut	1709	=cut
1064		1710
1065	sub list_logins {	1711	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1712	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1713	or return [];
1068		1714
1069	my @logins;	1715	my @logins;
1070		1716
1071	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1075		1727
1076	utf8::decode $login;	1728	utf8::decode $login;
1077	push @logins, $login;	1729	push @logins, $login;
1078	}	1730	}
1079		1731
1080	\@logins	1732	\@logins
1081	}	1733	}
1082		1734
1083	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1084		1738
1085	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1086	player. May block.	1740	player. May block.
1087		1741
1088	=cut	1742	=cut
…		…
1106	}	1760	}
1107		1761
1108	\@paths	1762	\@paths
1109	}	1763	}
1110		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1112		1770
1113	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1114		1772
1115	=cut	1773	=cut
1116		1774
1117	sub ext_reply($$$%) {	1775	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1119		1777
1120	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1779	}
1124		1780
1125	package cf;	1781	=item $player->ext_msg ($type, @msg)
		1782
		1783	Sends an ext event to the client.
		1784
		1785	=cut
		1786
		1787	sub ext_msg($$@) {
		1788	my ($self, $type, @msg) = @_;
		1789
		1790	$self->ns->ext_msg ($type, @msg);
		1791	}
		1792
		1793	=head3 cf::region
		1794
		1795	=over 4
		1796
		1797	=cut
		1798
		1799	package cf::region;
		1800
		1801	=item cf::region::find_by_path $path
		1802
		1803	Tries to decuce the likely region for a map knowing only its path.
		1804
		1805	=cut
		1806
		1807	sub find_by_path($) {
		1808	my ($path) = @_;
		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
		1812	my ($match, $specificity);
		1813
		1814	for my $region (list) {
		1815	if ($region->{match} && $path =~ $region->{match}) {
		1816	($match, $specificity) = ($region, $region->specificity)
		1817	if $region->specificity > $specificity;
		1818	}
		1819	}
		1820
		1821	$match
		1822	}
1126		1823
1127	=back	1824	=back
1128
1129		1825
1130	=head3 cf::map	1826	=head3 cf::map
1131		1827
1132	=over 4	1828	=over 4
1133		1829
…		…
1145	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1147		1843
1148	sub generate_random_map {	1844	sub generate_random_map {
1149	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1150	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1151	$self->_create_random_map (	1850	$self->_create_random_map (
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1155	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1156	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1173		1872
1174	sub register {	1873	sub register {
1175	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1176	my $pkg = caller;	1875	my $pkg = caller;
1177		1876
1178	no strict;
1179	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1180		1878
1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1182	}	1880	}
1183		1881
1184	# also paths starting with '/'	1882	# also paths starting with '/'
1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1186		1884
1187	sub thawer_merge {	1885	sub thawer_merge {
1188	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1189		1887
1190	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
1191	local $self->{path};	1889	local $self->{path};
1192	local $self->{load_path};	1890	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1891
1196	$self->SUPER::thawer_merge ($merge);	1892	$self->SUPER::thawer_merge ($merge);
1197	}	1893	}
1198		1894
1199	sub normalise {	1895	sub normalise {
1200	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1201		1897
1202	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1203		1899
1204	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1205		1901
1206	# map plan:	1902	# map plan:
1207	#	1903	#
…		…
1246	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1247	return $self;	1943	return $self;
1248	}	1944	}
1249	}	1945	}
1250		1946
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1252	()	1948	()
1253	}	1949	}
1254		1950
1255	sub init {	1951	sub init {
1256	my ($self) = @_;	1952	my ($self) = @_;
…		…
1271		1967
1272	# the original (read-only) location	1968	# the original (read-only) location
1273	sub load_path {	1969	sub load_path {
1274	my ($self) = @_;	1970	my ($self) = @_;
1275		1971
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1972	"$MAPDIR/$self->{path}.map"
1277	}	1973	}
1278		1974
1279	# the temporary/swap location	1975	# the temporary/swap location
1280	sub save_path {	1976	sub save_path {
1281	my ($self) = @_;	1977	my ($self) = @_;
1282		1978
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1980	"$TMPDIR/$path.map"
1285	}	1981	}
1286		1982
1287	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1288	sub uniq_path {	1984	sub uniq_path {
1289	my ($self) = @_;	1985	my ($self) = @_;
1290		1986
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1988	"$UNIQUEDIR/$path"
1293	}	1989	}
1294		1990
1295	# and all this just because we cannot iterate over	1991	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	1992	my ($self) = @_;
1299		1993
1300	$_->change_map_light ($change)	1994	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	1995
		1996	$self->do_decay_objects;
1302	}	1997	}
1303		1998
1304	sub unlink_save {	1999	sub unlink_save {
1305	my ($self) = @_;	2000	my ($self) = @_;
1306		2001
1307	utf8::encode (my $save = $self->save_path);	2002	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2003	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2004	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	2005	}
1316		2006
1317	sub load_header_from($) {	2007	sub load_header_from($) {
1318	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1319		2009
1320	utf8::encode $path;	2010	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1326		2019
1327	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1328		2021
1329	1	2022	1
1330	}	2023	}
…		…
1369	$self->load_header_orig	2062	$self->load_header_orig
1370	or return;	2063	or return;
1371	$self->prepare_orig;	2064	$self->prepare_orig;
1372	}	2065	}
1373		2066
		2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
		2069
		2070	$self->default_region (cf::region::find_by_path $self->{path})
		2071	unless $self->default_region;
		2072
1374	1	2073	1
1375	}	2074	}
1376		2075
1377	sub find;	2076	sub find;
1378	sub find {	2077	sub find {
1379	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1380		2079
		2080	cf::cede_to_tick;
		2081
1381	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1382		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1384		2086
1385	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1388	or return;	2089	or return;
1389		2090
1390	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1391		2092
1392	$map->load_header	2093	$map->load_header
1393	or return;	2094	or return;
1394		2095
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1398	$map->reset;	2101	$map->reset;
1399	undef $guard;
1400	return find $path;	2102	return find $path;
1401	}	2103	}
1402		2104
1403	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1404	}	2106	}
1405	}	2107	}
1406		2108
1407	sub pre_load { }	2109	sub pre_load { }
1408	sub post_load { }	2110	#sub post_load { } # XS
1409		2111
1410	sub load {	2112	sub load {
1411	my ($self) = @_;	2113	my ($self) = @_;
1412		2114
1413	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1414		2116
1415	my $path = $self->{path};	2117	my $path = $self->{path};
		2118
		2119	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1417		2121
		2122	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2124
1420	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1421		2126
1422	$self->alloc;	2127	$self->alloc;
1423		2128
1424	$self->pre_load;	2129	$self->pre_load;
		2130	cf::cede_to_tick;
1425		2131
1426	$self->_load_objects ($self->{load_path}, 1)	2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
		2134	$self->_load_objects ($f)
1427	or return;	2135	or return;
1428		2136
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1430	if delete $self->{load_original};	2138	if delete $self->{load_original};
1431		2139
1432	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2141	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2144	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1437	}	2148	}
1438	}	2149	}
1439		2150
1440	Coro::cede;	2151	$f->resolve_delayed_derefs;
1441		2152
		2153	cf::cede_to_tick;
1442	# now do the right thing for maps	2154	# now do the right thing for maps
1443	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2157	unless $self->difficulty;
1453	Coro::cede;	2158	cf::cede_to_tick;
		2159
		2160	unless ($self->{deny_activate}) {
		2161	$self->decay_objects;
		2162	$self->fix_auto_apply;
		2163	$self->update_buttons;
		2164	cf::cede_to_tick;
1454	$self->activate;	2165	$self->activate;
		2166	}
		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
		2171	$self->in_memory (cf::MAP_ACTIVE);
1455	}	2172	}
1456		2173
1457	$self->post_load;	2174	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2175	}
1461		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1462	sub customise_for {	2180	sub customise_for {
1463	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1464		2182
1465	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2184	if $self->per_player;
1467		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
1468	$self	2189	$self
1469	}	2190	}
1470		2191
1471	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	2193	sub load_neighbours {
1473	my ($map) = @_;	2194	my ($map) = @_;
1474		2195
1475	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1476		2197
1477	for (0 .. 3) {	2198	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1479	or next;	2200	or next;
1480	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1481	or next;	2202	or next;
1482	$neigh->load;	2203	$neigh->load;
1483		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2209	}
1487		2210
1488	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1490	or next;	2214	or next;
1491	$neigh->load;	2215	$neigh->load;
1492	}	2216	}
1493	}	2217	}
1494		2218
1495	sub find_sync {	2219	sub find_sync {
1496	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1497		2221
1498	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1499	}	2226	}
1500		2227
1501	sub do_load_sync {	2228	sub do_load_sync {
1502	my ($map) = @_;	2229	my ($map) = @_;
1503		2230
1504	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1505	}	2235	}
1506		2236
1507	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1509		2239
1510	sub find_async {	2240	sub find_async {
1511	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1512		2242
1513	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1514		2244
1515	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517	}	2247	}
1518		2248
1519	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1520	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1521	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2256	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2257	$map->load if $v;
		2258	}
1526		2259
1527	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1528	}	2261	}
1529	}	2262	}
1530	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1531	};	2264	};
1532	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1533		2266
1534	()	2267	()
1535	}	2268	}
1536		2269
		2270	# common code, used by both ->save and ->swapout
1537	sub save {	2271	sub _save {
1538	my ($self) = @_;	2272	my ($self) = @_;
1539
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1541		2273
1542	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1543		2275
1544	return unless $self->dirty;	2276	return unless $self->dirty;
1545		2277
…		…
1551	return if $self->{deny_save};	2283	return if $self->{deny_save};
1552		2284
1553	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1554		2286
1555	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1557	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1558		2293
1559	if ($uniq) {	2294	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2297	} else {
1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1564	}	2299	}
1565	}	2300	}
1566		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1567	sub swap_out {	2310	sub swap_out {
1568	my ($self) = @_;	2311	my ($self) = @_;
1569		2312
1570	# save first because save cedes
1571	$self->save;
1572
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1575	return if $self->players;	2317	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};
1578		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1579	$self->clear;	2328	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2329	}
1582		2330
1583	sub reset_at {	2331	sub reset_at {
1584	my ($self) = @_;	2332	my ($self) = @_;
1585		2333
1586	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1589		2336
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2339
…		…
1603	my ($self) = @_;	2350	my ($self) = @_;
1604		2351
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2353
1607	return if $self->players;	2354	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2355
1610	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
1611		2357
1612	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1613		2359
1614	# need to save uniques path	2360	# need to save uniques path
1615	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2365	if $uniq;
1620	}	2366	}
1621		2367
1622	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1623		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2372	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2373
1628	$self->unlink_save;	2374	$self->unlink_save;
1629	$self->destroy;	2375	$self->destroy;
1630	}	2376	}
1631		2377
1632	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1633		2379
1634	sub nuke {	2380	sub nuke {
1635	my ($self) = @_;	2381	my ($self) = @_;
1636		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1637	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1638		2387
1639	$self->unlink_save;	2388	$self->unlink_save;
1640		2389
1641	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1642	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2395
1647	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1648		2398
1649	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
		2400	}
		2401
		2402	=item $maps = cf::map::tmp_maps
		2403
		2404	Returns an arrayref with all map paths of currently instantiated and saved
		2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
		2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item $maps = cf::map::random_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	random maps. May block.
		2424
		2425	=cut
		2426
		2427	sub random_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise "?random/$_"
		2433	: ()
		2434	} @{ aio_readdir $RANDOMDIR or [] }
		2435	]
1650	}	2436	}
1651		2437
1652	=item cf::map::unique_maps	2438	=item cf::map::unique_maps
1653		2439
1654	Returns an arrayref of paths of all shared maps that have	2440	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2441	instantiated unique items. May block.
1656		2442
1657	=cut	2443	=cut
1658		2444
1659	sub unique_maps() {	2445	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2446	[
1661	or return;	2447	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2448	utf8::decode $_;
1667	next if /\.pst$/;	2449	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2451	? ()
1670	push @paths, cf::map::normalise $_;	2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2454	]
1672
1673	\@paths
1674	}	2455	}
1675		2456
1676	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
1677		2488
1678	=back	2489	=back
1679		2490
1680	=head3 cf::object	2491	=head3 cf::object
1681		2492
…		…
1685		2496
1686	=over 4	2497	=over 4
1687		2498
1688	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1689		2500
1690	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
1691		2503
1692	=cut	2504	=cut
1693		2505
1694	sub inv_recursive_;	2506	sub inv_recursive_;
1695	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1698		2510
1699	sub inv_recursive {	2511	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1701	}	2513	}
1702		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
1703	package cf;	2543	package cf;
1704		2544
1705	=back	2545	=back
1706		2546
1707	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1713	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
1715	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1716		2556
1717	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
1718		2572
1719	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2574	# with dialog boxes.
1721	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
1722	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1724		2578
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2580
1727	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1729	} else {	2584	} else {
		2585	my $pl = $self->contr;
		2586
		2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2588	my $dialog = $pl->{npc_dialog};
		2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2590
		2591	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1732	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
1733	}	2606	}
1734		2607
1735	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1736		2609
1737	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1750		2623
1751	=item $player_object->enter_link	2624	=item $player_object->enter_link
1752		2625
1753	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
1754		2627
1755	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
1756	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
1757		2632
1758	Will never block.	2633	Will never block.
1759		2634
1760	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1761		2636
…		…
1781	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1782	my ($self) = @_;	2657	my ($self) = @_;
1783		2658
1784	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1785		2660
		2661	++$self->{_link_recursion};
		2662
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2664
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1790		2667
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1792	}	2669	}
1793		2670
1794	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1796		2675
1797	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1798		2677
1799	unless ($map) {	2678	unless ($map) {
1800	# restore original map position	2679	# restore original map position
…		…
1811	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1812	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1813		2692
1814	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1817		2696
1818	$map->load;	2697	$map->load;
1819	$map->load_diag;	2698	$map->load_neighbours;
1820		2699
1821	return unless $self->contr->active;	2700	return unless $self->contr->active;
1822	$self->activate_recursive;
1823		2701
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
1826	}	2704	# entering was successful
1827		2705	delete $self->{_link_recursion};
1828	cf::player->attach (	2706	# only activate afterwards, to support waiting in hooks
1829	on_logout => sub {	2707	$self->activate_recursive;
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},	2708	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2709
1842	# try to abort aborted map switching on player login :)	2710	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2711
1860	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		2713
		2714	Moves the player to the given map-path and coordinates by first freezing
		2715	her, loading and preparing them map, calling the provided $check callback
		2716	that has to return the map if sucecssful, and then unfreezes the player on
		2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
1862	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1863		2726
1864	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
		2736	# do generation counting so two concurrent goto's will be executed in-order
		2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2738
1867	$self->enter_link;	2739	$self->enter_link;
1868		2740
1869	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
1870	my $map = eval {	2763	my $map = eval {
1871	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
		2765
		2766	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2767	$map = $map->customise_for ($self);
		2768	$map = $check->($map, $x, $y, $self) if $check && $map;
		2769	} else {
		2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772
1873	$map	2773	$map
		2774	};
		2775
		2776	if ($@) {
		2777	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2779	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2780
		2781	if ($gen == $self->{_goto_generation}) {
		2782	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1878	})->prio (1);	2787	})->prio (1);
1879	}	2788	}
1880		2789
1881	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1882		2791
…		…
1902	}	2811	}
1903		2812
1904	sub prepare_random_map {	2813	sub prepare_random_map {
1905	my ($exit) = @_;	2814	my ($exit) = @_;
1906		2815
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2818	# that depends on the exit object
1912		2819
1913	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2822	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
1920	}	2829	}
1921		2830
1922	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
1923		2832
1924	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
1927		2836
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2839	undef $fh;
1931	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
1932		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
1935	}	2848	}
1936	}	2849	}
1937		2850
1938	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
1940		2853
1941	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
1942		2855
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2856	$self->enter_link;
1953		2857
1954	(async {	2858	(async {
1955	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
1956	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
1957	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
1958		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
1959	1;	2882	1
1960	}) {	2883	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2888
1966	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	2890	$self->leave_link;
1968	}	2891	}
1969	})->prio (1);	2892	})->prio (1);
1970	}	2893	}
1971		2894
…		…
1982		2905
1983	sub cf::client::send_drawinfo {	2906	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2907	my ($self, $text, $flags) = @_;
1985		2908
1986	utf8::encode $text;	2909	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2911	}
1989		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
		3100	=item $client->ext_msg ($type, @msg)
		3101
		3102	Sends an ext event to the client.
		3103
		3104	=cut
		3105
		3106	sub cf::client::ext_msg($$@) {
		3107	my ($self, $type, @msg) = @_;
		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
		3112	push @msg, msgtype => "event_$type";
		3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
1990		3134
1991	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
1992		3136
1993	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		3140
1997	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	3142	become reliable at some point in the future.
1999		3143
2000	=cut	3144	=cut
2001		3145
2002	sub cf::client::query {	3146	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3155	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3157
2014	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
2016	}	3162	}
2017		3163
2018	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
2019	on_reply => sub {	3170	on_reply => sub {
2020	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2021		3172
2022	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2023	# get handled first	3174	# get handled first
…		…
2035	} else {	3186	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3188	}
2038	}	3189	}
2039	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
2040	);	3217	);
2041		3218
2042	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2043		3220
2044	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3237
2061	$coro	3238	$coro
2062	}	3239	}
2063		3240
2064	cf::client->attach (	3241	cf::client->attach (
2065	on_destroy => sub {	3242	on_client_destroy => sub {
2066	my ($ns) = @_;	3243	my ($ns) = @_;
2067		3244
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3246	},
2070	);	3247	);
…		…
2085	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2087		3264
2088	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2089		3266
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2091		3272
2092	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2093		3274
2094	=pod	3275	=pod
2095		3276
2096	The following fucntions and emthods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2097		3278
2098	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2099	cf::object::player player	3284	cf::object::player
2100	cf::player peaceful	3285	player
2101	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2102		3292
2103	=cut	3293	=cut
2104		3294
2105	for (	3295	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2110	) {	3302	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3305	for @funs;
2115	}	3306	}
2116		3307
…		…
2131		3322
2132	my $qcode = $code;	3323	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2135		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2136	local $_;	3330	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3331
2139	my $eval =	3332	my $eval =
2140	"do {\n"	3333	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3336	. $code
2144	. "\n}"	3337	. "\n}"
2145	;	3338	;
2146		3339
		3340	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2150		3349
2151	if ($@) {	3350	if ($@) {
2152	warn "$@";	3351	warn "$@",
2153	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2155	}	3354	}
2156		3355
2157	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2158	}	3357	}
2159		3358
…		…
2173	=cut	3372	=cut
2174		3373
2175	sub register_script_function {	3374	sub register_script_function {
2176	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2177		3376
2178	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2180	}	3379	}
2181		3380
2182	=back	3381	=back
2183		3382
2184	=cut	3383	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3384
2258	#############################################################################	3385	#############################################################################
2259	# the server's init and main functions	3386	# the server's init and main functions
2260		3387
		3388	sub load_facedata($) {
		3389	my ($path) = @_;
		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3396
		3397	trace "loading facedata from $path\n";
		3398
		3399	0 < aio_load $path, my $facedata
		3400	or die "$path: $!";
		3401
		3402	$facedata = Coro::Storable::thaw $facedata;
		3403
		3404	$facedata->{version} == 2
		3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3406
		3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3409	$facedata->{resource}{"res/exp_table"} = {
		3410	type => FT_RSRC,
		3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
		3413	};
		3414	cf::cede_to_tick;
		3415
		3416	{
		3417	my $faces = $facedata->{faceinfo};
		3418
		3419	while (my ($face, $info) = each %$faces) {
		3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
		3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
		3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3426
		3427	cf::cede_to_tick;
		3428	}
		3429
		3430	while (my ($face, $info) = each %$faces) {
		3431	next unless $info->{smooth};
		3432
		3433	my $idx = cf::face::find $face
		3434	or next;
		3435
		3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
		3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3439	} else {
		3440	error "smooth face '$info->{smooth}' not found for face '$face'";
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	{
		3448	my $anims = $facedata->{animinfo};
		3449
		3450	while (my ($anim, $info) = each %$anims) {
		3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3452	cf::cede_to_tick;
		3453	}
		3454
		3455	cf::anim::invalidate_all; # d'oh
		3456	}
		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
		3477	1
		3478	}
		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
2261	sub load_resources {	3488	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
		3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
		3503	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3504	or die "unable to load regions file\n";
2264	}
2265		3505
2266	sub cfg_load {	3506	for (cf::region::list) {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3507	$_->{match} = qr/$_->{match}/
2268	or return;	3508	if exists $_->{match};
		3509	}
		3510	}
2269		3511
2270	local $/;	3512	sub reload_facedata {
2271	*CFG = YAML::Syck::Load <$fh>;	3513	load_facedata "$DATADIR/facedata"
		3514	or die "unable to load facedata\n";
		3515	}
2272		3516
		3517	sub reload_archetypes {
		3518	load_resource_file "$DATADIR/archetypes"
		3519	or die "unable to load archetypes\n";
		3520	}
		3521
		3522	sub reload_treasures {
		3523	load_resource_file "$DATADIR/treasures"
		3524	or die "unable to load treasurelists\n";
		3525	}
		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
		3550	sub reload_resources {
		3551	trace "reloading resource files...\n";
		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
		3558	reload_regions;
		3559	reload_treasures;
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub reload_config {
		3565	trace "reloading config file...\n";
		3566
		3567	0 < aio_load "$CONFDIR/config", my $config
		3568	or die "$CONFDIR/config: $!";
		3569
		3570	utf8::decode $config;
		3571	*CFG = yaml_load $config;
		3572
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3574
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2277		3577
2278	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2282	};	3582	};
2283	warn $@ if $@;	3583	warn $@ if $@;
2284	}	3584	}
2285	}	3585	}
2286		3586
2287	sub init {	3587	sub pidfile() {
2288	load_resources;	3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3613	}
2290		3614
2291	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2292	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3628	(async {
2296	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2298	};	3632	};
2299		3633
2300	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
2301	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2302	load_extensions;	3657	load_extensions;
2303		3658
2304	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2305	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2306	}	3677	}
2307		3678
2308	#############################################################################	3679	#############################################################################
2309	# initialisation and cleanup	3680	# initialisation and cleanup
2310		3681
2311	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2312	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2321	},
2322	);	3688	};
		3689	}
		3690	}
		3691
		3692	sub write_runtime_sync {
		3693	my $t0 = AE::time;
		3694
		3695	# first touch the runtime file to show we are still running:
		3696	# the fsync below can take a very very long time.
		3697
		3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3699
		3700	my $guard = cf::lock_acquire "write_runtime";
		3701
		3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3703	or return;
		3704
		3705	my $value = $cf::RUNTIME + 90 + 10;
		3706	# 10 is the runtime save interval, for a monotonic clock
		3707	# 60 allows for the watchdog to kill the server.
		3708
		3709	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3710	and return;
		3711
		3712	# always fsync - this file is important
		3713	aio_fsync $fh
		3714	and return;
		3715
		3716	# touch it again to show we are up-to-date
		3717	aio_utime $fh, undef, undef;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3723	and return;
		3724
		3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3726
2323	}	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2324	}	3778	}
2325		3779
2326	sub emergency_save() {	3780	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2328		3782
2329	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2330		3789
2331	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2332	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3801	$pl->save;
2340	}	3802	}
2341	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2342		3804
2343	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3810	$map->valid or next;
2347	$map->save;	3811	$map->save;
2348	}	3812	}
2349	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2350		3814
2351	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3843	};
2355		3844
2356	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2357	}	3846	}
2358		3847
2359	sub post_cleanup {	3848	sub post_cleanup {
2360	my ($make_core) = @_;	3849	my ($make_core) = @_;
2361		3850
		3851	IO::AIO::flush;
		3852
2362	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3854	if $make_core;
2364	}
2365		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
		3883	}
		3884
2366	sub reload() {	3885	sub do_reload_perl() {
2367	# can/must only be called in main	3886	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2369	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2370	return;	3889	return;
2371	}	3890	}
2372		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2373	warn "reloading...";	3898	info "reloading...";
2374		3899
2375	warn "entering sync_job";	3900	trace "entering sync_job";
2376		3901
2377	cf::sync_job {	3902	cf::sync_job {
2378	cf::write_runtime; # external watchdog should not bark
2379	cf::emergency_save;	3903	#cf::emergency_save;
2380	cf::write_runtime; # external watchdog should not bark
2381		3904
2382	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;
2384
2385	# if anything goes wrong in here, we should simply crash as we already saved
2386
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";
2399	}
2400
2401	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3907	%EXT_CORO = ();
2404		3908
2405	warn "removing commands";	3909	trace "removing commands";
2406	%COMMAND = ();	3910	%COMMAND = ();
2407		3911
2408	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2409	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2410		3915
2411	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2414		3919
2415	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2416	eval {	3921	eval {
2417	$cb->($pkg);	3922	$cb->($pkg);
2418	1	3923	1
2419	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2420	}	3929	}
2421		3930
2422	warn "... nuking $pkg";
2423	Symbol::delete_package $pkg;
2424	}
2425
2426	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2427	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		3934
2430	warn "... unloading $k";	3935	trace "... unloading $k";
2431	delete $INC{$k};	3936	delete $INC{$k};
2432		3937
2433	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2435		3940
2436	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2437	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2438	}	3946	}
2439		3947
2440	Symbol::delete_package $k;
2441	}
2442
2443	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3951
2447	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
		3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2449		3955
2450	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3957	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2453		3959
2454	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2455		3961
2456	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2457	require cf;	3963	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2459		3965
2460	warn "loading config and database again";	3966	trace "loading config and database again";
2461	cf::cfg_load;	3967	cf::reload_config;
2462		3968
2463	warn "loading extensions";	3969	trace "loading extensions";
2464	cf::load_extensions;	3970	cf::load_extensions;
2465		3971
		3972	if ($REATTACH_ON_RELOAD) {
2466	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2467	_global_reattach;	3974	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
		3977	trace "reattaching attachments to players";
		3978	reattach $_ for values %PLAYER;
		3979	}
2470		3980
2471	warn "loading reloadable resources";	3981	trace "running post_init jobs";
2472	load_resources;	3982	(pop @POST_INIT)->(1) while @POST_INIT;
2473		3983
2474	warn "leaving sync_job";	3984	trace "leaving sync_job";
2475		3985
2476	1	3986	1
2477	} or do {	3987	} or do {
2478	warn $@;	3988	error $@;
2479	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
2480	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
		3994	}
		3995
		3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
		3998	};
		3999
		4000	our $RELOAD_WATCHER; # used only during reload
		4001
		4002	sub reload_perl() {
		4003	# doing reload synchronously and two reloads happen back-to-back,
		4004	# coro crashes during coro_state_free->destroy here.
		4005
		4006	$RELOAD_WATCHER ||= cf::async {
		4007	Coro::AIO::aio_wait cache_extensions;
		4008
		4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4010	do_reload_perl;
		4011	undef $RELOAD_WATCHER;
		4012	};
2481	};	4013	};
2482		4014	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		4015
2488	register_command "reload" => sub {	4016	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2490		4018
2491	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
2493		4021	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	4022	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	4023	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	4024	};
2506	}	4025	}
2507	};	4026	};
2508		4027
2509	unshift @INC, $LIBDIR;	4028	#############################################################################
2510		4029
2511	my $bug_warning = 0;	4030	my $bug_warning = 0;
2512		4031
2513	$TICK_WATCHER = Event->timer (	4032	our @WAIT_FOR_TICK;
2514	reentrant => 0,	4033	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	4034
2516	prio => 0,	4035	sub wait_for_tick() {
2517	at => $NEXT_TICK || $TICK,	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2518	data => WF_AUTOCANCEL,	4037
2519	cb => sub {	4038	my $signal = new Coro::Signal;
		4039	push @WAIT_FOR_TICK, $signal;
		4040	$signal->wait;
		4041	}
		4042
		4043	sub wait_for_tick_begin() {
		4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4045
		4046	my $signal = new Coro::Signal;
		4047	push @WAIT_FOR_TICK_BEGIN, $signal;
		4048	$signal->wait;
		4049	}
		4050
		4051	sub tick {
2520	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2523	return;	4055	return;
2524	}	4056	}
2525		4057
2526	$NOW = Event::time;
2527
2528	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		4059
		4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4061
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534	Coro::async_pool {	4064	Coro::async_pool {
		4065	$Coro::current->{desc} = "runtime saver";
2535	write_runtime	4066	write_runtime_sync
2536	or warn "ERROR: unable to write runtime file: $!";	4067	or error "ERROR: unable to write runtime file: $!";
2537	};
2538	}	4068	};
2539
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},	4069	}
2553	);	4070
		4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4072	$sig->send;
		4073	}
		4074	while (my $sig = shift @WAIT_FOR_TICK) {
		4075	$sig->send;
		4076	}
		4077
		4078	$LOAD = ($NOW - $TICK_START) / $TICK;
		4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4080
		4081	if (0) {
		4082	if ($NEXT_TICK) {
		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
		4087	}
		4088	}
2554		4089
2555	{	4090	{
2556	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
2557	$BDB_POLL_WATCHER = Event->io (	4092
2558	reentrant => 0,
2559	fd => BDB::poll_fileno,
2560	poll => 'r',
2561	prio => 0,
2562	data => WF_AUTOCANCEL,
2563	cb => \&BDB::poll_cb,
2564	);
2565	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
2566		4094	BDB::max_poll_reqs $TICK * 0.1;
2567	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
2568	my $status;
2569	my $current = $Coro::current;
2570	(
2571	sub {
2572	$status = $!;
2573	$current->ready; undef $current;
2574	},
2575	sub {
2576	Coro::schedule while defined $current;
2577	$! = $status;
2578	},
2579	)
2580	};
2581		4096
2582	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
2583	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584		4104
2585	cf::sync_job {	4105	cf::sync_job {
2586	eval {	4106	eval {
2587	BDB::db_env_open	4107	BDB::db_env_open
2588	$DB_ENV,	4108	$DB_ENV,
2589	$BDB_ENV_DIR,	4109	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	4112	0666;
2593		4113
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;
2598	};	4115	};
2599		4116
2600	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
2601	};	4118	};
2602	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
2603	}	4130	}
2604		4131
2605	{	4132	{
		4133	# configure IO::AIO
		4134
2606	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
2607
2608	undef $Coro::AIO::WATCHER;
2609	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
2610	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
2611	reentrant => 0,
2612	data => WF_AUTOCANCEL,
2613	fd => IO::AIO::poll_fileno,
2614	poll => 'r',
2615	prio => 6,
2616	cb => \&IO::AIO::poll_cb,
2617	);
2618	}	4138	}
		4139
		4140	my $_log_backtrace;
		4141
		4142	sub _log_backtrace {
		4143	my ($msg, @addr) = @_;
		4144
		4145	$msg =~ s/\n//;
		4146
		4147	# limit the # of concurrent backtraces
		4148	if ($_log_backtrace < 2) {
		4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
		4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
		4154	my @bt = fork_call {
		4155	@addr = map { sprintf "%x", $_ } @addr;
		4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4158	or die "addr2line: $!";
		4159
		4160	my @funcs;
		4161	my @res = <$fh>;
		4162	chomp for @res;
		4163	while (@res) {
		4164	my ($func, $line) = splice @res, 0, 2, ();
		4165	push @funcs, "[$func] $line";
		4166	}
		4167
		4168	@funcs
		4169	};
		4170
		4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4173	LOG llevInfo, "[ABT] $_\n" for @bt;
		4174	--$_log_backtrace;
		4175	};
		4176	} else {
		4177	LOG llevInfo, "[ABT] $msg\n";
		4178	LOG llevInfo, "[ABT] [suppressed]\n";
		4179	}
		4180	}
		4181
		4182	# load additional modules
		4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
2619		4185
2620	END { cf::emergency_save }	4186	END { cf::emergency_save }
2621		4187
2622	1	4188	1
2623		4189

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