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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 2007 UTC vs.
Revision 1.553 by root, Tue May 18 21:30:16 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";
54	our $WRITE_RUNTIME_WATCHER;	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(!)
		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 $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
229	}	403	}
230		404
231	=item cf::lock_wait $string	405	=item cf::lock_wait $string
232		406
233	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
234		408
235	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
236		410
237	Wait until the given lock is available and then acquires it and returns	411	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,	412	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	413	for example when the coroutine gets canceled), the lock is automatically
240	returned.	414	returned.
241		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
242	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
244		421
245	=cut	422	=item $locked = cf::lock_active $string
246		423
247	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
248		429
249	sub lock_wait($) {	430	sub lock_wait($) {
250	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	432	}
258		433
259	sub lock_acquire($) {	434	sub lock_acquire($) {
260	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
261		437
262	# wait, to be sure we are not locked	438	sub lock_active($) {
263	lock_wait $key;	439	$LOCKS->count ($_[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	}	440	}
272		441
273	sub freeze_mainloop {	442	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
275		444
276	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	446	}
278	$WRITE_RUNTIME_WATCHER->start;	447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
279	};	512	}
280	$WRITE_RUNTIME_WATCHER->stop;	513	};
281	$TICK_WATCHER->stop;	514
282	$guard	515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
283	}	528	}
284		529
285	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
286		531
287	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		537
293	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
294		539
295	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
296		541
297	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
300		546
301	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
304	fast or be very important.	550	fast or be very important.
…		…
306	=cut	552	=cut
307		553
308	sub sync_job(&) {	554	sub sync_job(&) {
309	my ($job) = @_;	555	my ($job) = @_;
310		556
311	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
312	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
314		562
315	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	564
317	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
318		566
319	my $busy = 1;	567	my $busy = 1;
320	my @res;	568	my @res;
321		569
322	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	572	@res = eval { $job->() };
324	warn $@ if $@;	573	error $@ if $@;
325	undef $busy;	574	undef $busy;
326	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
327		576
328	while ($busy) {	577	while ($busy) {
329	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
330	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
331		588
332	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
333	} else {	590	} else {
334	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
335		592
…		…
355	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
356		613
357	$coro	614	$coro
358	}	615	}
359		616
360	sub write_runtime {	617	=item fork_call { }, @args
361	my $runtime = cf::localdir . "/runtime";
362		618
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
364	or return;	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
365		623
366	my $value = $cf::RUNTIME + 90 + 10;	624	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		625
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	626	sub post_fork {
371	and return;	627	reset_signals;
		628	}
372		629
373	# always fsync - this file is important	630	sub fork_call(&@) {
374	aio_fsync $fh	631	my ($cb, @args) = @_;
375	and return;
376		632
377	close $fh	633	# we seemingly have to make a local copy of the whole thing,
378	or return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
379		636
380	aio_rename "$runtime~", $runtime	637	my @res = Coro::Util::fork_eval {
381	and return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
382		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
383	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	821	}
385		822
386	=back	823	=back
387		824
388	=cut	825	=cut
389		826
390	#############################################################################	827	#############################################################################
391		828
392	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
393		830
394	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
397		834
398	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	837	Deliantra).
401		838
402	=over 4	839	=over 4
403		840
404	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
405		842
…		…
449	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
450		887
451	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
453		890
454	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
456		893
457	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
458		895
459	=over 4	896	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
569		1006
570	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		1011
575	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
577		1014
578	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
583		1020
584	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		1023
587	} elsif (ref $type) {	1024	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
589		1026
590	} else {	1027	} else {
591	shift @arg;	1028	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
593	}	1030	}
594	}	1031	}
595	}	1032	}
596		1033
597	sub _object_attach {	1034	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
608	}	1045	}
609		1046
610	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
611	} else {	1048	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1050	}
614		1051
615	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
616	}	1053	}
617		1054
…		…
619	if (ref $_[0]) {	1056	if (ref $_[0]) {
620	_object_attach @_;	1057	_object_attach @_;
621	} else {	1058	} else {
622	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
623	}	1060	}
		1061	_recalc_want;
624	};	1062	};
625		1063
626	# all those should be optimised	1064	# all those should be optimised
627	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1070	reattach ($obj);
633	} else {	1071	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
635	}	1073	}
		1074	_recalc_want;
636	};	1075	};
637		1076
638	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
640		1079
…		…
655	";	1094	";
656	die if $@;	1095	die if $@;
657	}	1096	}
658		1097
659	our $override;	1098	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1100
662	sub override {	1101	sub override {
663	$override = 1;	1102	$override = 1;
664	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
665	}	1104	}
666		1105
667	sub do_invoke {	1106	sub do_invoke {
668	my $event = shift;	1107	my $event = shift;
669	my $callbacks = shift;	1108	my $callbacks = shift;
670		1109
671	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
672		1111
673	local $override;	1112	local $override;
674		1113
675	for (@$callbacks) {	1114	for (@$callbacks) {
676	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
677		1116
678	if ($@) {	1117	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1119	override;
682	}	1120	}
683		1121
684	return 1 if $override;	1122	return 1 if $override;
685	}	1123	}
686		1124
687	0	1125	0
688	}	1126	}
689		1127
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1129
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1131
694	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
695		1133
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1137
700	=back	1138	=back
701		1139
702	=cut	1140	=cut
703		1141
704	#############################################################################	1142	#############################################################################
705	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
706		1186
707	sub reattach {	1187	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1189	my ($obj) = @_;
710		1190
		1191	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1193
713	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
714		1195
715	@$registry = ();	1196	@$registry = ();
716		1197
…		…
721	for (@$attach) {	1202	for (@$attach) {
722	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
724	}	1205	}
725	} else {	1206	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1208	}
728	}	1209	}
729	}	1210	}
730		1211
731	cf::attachable->attach (	1212	cf::attachable->attach (
732	prio => -1000000,	1213	prio => -1000000,
733	on_instantiate => sub {	1214	on_instantiate => sub {
734	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
735		1216
736	$data = from_json $data;	1217	$data = decode_json $data;
737		1218
738	for (@$data) {	1219	for (@$data) {
739	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
740		1221
741	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1238	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
759		1240
760	sync_job {	1241	sync_job {
761	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
764		1247
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	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;
		1253	aio_fsync $fh;
		1254	}
769	close $fh;	1255	aio_close $fh;
770		1256
771	if (@$objs) {	1257	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	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;
		1264	aio_fsync $fh;
		1265	}
777	close $fh;	1266	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
779	}	1268	}
780	} else {	1269	} else {
781	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
782	}	1271	}
783		1272
784	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1277	} else {
786	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
787	}	1279	}
788	} else {	1280	} else {
789	aio_unlink $filename;	1281	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
791	}	1283	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1284	};
799	}	1285	}
800		1286
801	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
803		1289
…		…
808		1294
809	sub object_thawer_load {	1295	sub object_thawer_load {
810	my ($filename) = @_;	1296	my ($filename) = @_;
811		1297
812	my ($data, $av);	1298	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1299
817	(aio_load $filename, $data) >= 0	1300	(aio_load $filename, $data) >= 0
818	or return;	1301	or return;
819		1302
820	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
822	or return;	1305	or return;
		1306
823	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
824	}	1309	}
825		1310
		1311	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
828	return ($data, $av);	1316	($data, $av)
829	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
830		1324
831	#############################################################################	1325	#############################################################################
832	# command handling &c	1326	# command handling &c
833		1327
834	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1342	}
849		1343
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1345
852	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
853		1351
854	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
855	called.	1353	called.
856		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
857	=cut	1366	=cut
858		1367
859	sub register_extcmd {	1368	sub register_extcmd {
860	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
861		1370
862	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
863	}	1372	}
864		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
865	cf::player->attach (	1382	cf::player->attach (
866	on_command => sub {	1383	on_unknown_command => sub {
867	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
868		1385
869	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
870	or return;	1387	or return;
871		1388
…		…
876	cf::override;	1393	cf::override;
877	},	1394	},
878	on_extcmd => sub {	1395	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
880		1397
881	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1399
883	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
889	} else {	1415	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1417	}
892		1418
893	cf::override;	1419	cf::override;
894	},	1420	},
895	);	1421	);
896		1422
		1423	# "readahead" all extensions
897	sub load_extension {	1424	sub cache_extensions {
898	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
899		1426
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1430	}
925	die $@;
926	}	1431	};
927		1432
928	push @EXTS, $pkg;	1433	$grp
929	}	1434	}
930		1435
931	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
932	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1443	next unless -r $path;
934	eval {	1444
935	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
936	1	1508	}
937	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
938	}	1519	};
939	}	1520	}
940		1521
941	#############################################################################	1522	#############################################################################
942		1523
		1524	=back
		1525
943	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
944		1527
945	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
946		1529
947	=cut	1530	=cut
948		1531
949	package cf::player;	1532	package cf::player;
950		1533
…		…
952		1535
953	=head3 cf::player	1536	=head3 cf::player
954		1537
955	=over 4	1538	=over 4
956		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
957	=item cf::player::find $login	1554	=item cf::player::find $login
958		1555
959	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
960		1557
961	=cut	1558	=cut
962		1559
963	sub playerdir($) {	1560	sub playerdir($) {
964	cf::localdir	1561	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1563	}
970		1564
971	sub path($) {	1565	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1567
974	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
975	}	1569	}
976		1570
977	sub find_active($) {	1571	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
982		1576
983	sub exists($) {	1577	sub exists($) {
984	my ($login) = @_;	1578	my ($login) = @_;
985		1579
986	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
988	}	1582	}
989		1583
990	sub find($) {	1584	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1586	my $login = $_[0];
993		1587
994	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
995		1589
996	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
998	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1000	}	1607	}
1001	}	1608	}
1002	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1003		1623
1004	sub save($) {	1624	sub save($) {
1005	my ($pl) = @_;	1625	my ($pl) = @_;
1006		1626
1007	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1013		1633
1014	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1016		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1017	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1018	Coro::cede;	1643	cf::cede_to_tick;
1019	}	1644	}
1020		1645
1021	sub new($) {	1646	sub new($) {
1022	my ($login) = @_;	1647	my ($login) = @_;
1023		1648
…		…
1029	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1030		1655
1031	$self	1656	$self
1032	}	1657	}
1033		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1034	=item $pl->quit_character	1669	=item $pl->quit_character
1035		1670
1036	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1038		1673
1039	=cut	1674	=cut
1040		1675
1041	sub quit_character {	1676	sub quit_character {
1042	my ($pl) = @_;	1677	my ($pl) = @_;
1043		1678
		1679	my $name = $pl->ob->name;
		1680
1044	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1683
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1048	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1050	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1051		1692
1052	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1697	$pl->destroy;
		1698
		1699	my $prefix = qr<^~\Q$name\E/>;
		1700
		1701	# nuke player maps
		1702	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1703
1057	IO::AIO::aio_rmtree $temp;	1704	IO::AIO::aio_rmtree $temp;
		1705	}
		1706
		1707	=item $pl->kick
		1708
		1709	Kicks a player out of the game. This destroys the connection.
		1710
		1711	=cut
		1712
		1713	sub kick {
		1714	my ($pl, $kicker) = @_;
		1715
		1716	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1717	$pl->killer ("kicked");
		1718	$pl->ns->destroy;
1058	}	1719	}
1059		1720
1060	=item cf::player::list_logins	1721	=item cf::player::list_logins
1061		1722
1062	Returns am arrayref of all valid playernames in the system, can take a	1723	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1064		1725
1065	=cut	1726	=cut
1066		1727
1067	sub list_logins {	1728	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1730	or return [];
1070		1731
1071	my @logins;	1732	my @logins;
1072		1733
1073	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1077		1744
1078	utf8::decode $login;	1745	utf8::decode $login;
1079	push @logins, $login;	1746	push @logins, $login;
1080	}	1747	}
1081		1748
1082	\@logins	1749	\@logins
1083	}	1750	}
1084		1751
1085	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1086		1755
1087	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1088	player. May block.	1757	player. May block.
1089		1758
1090	=cut	1759	=cut
…		…
1108	}	1777	}
1109		1778
1110	\@paths	1779	\@paths
1111	}	1780	}
1112		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1114		1787
1115	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1116		1789
1117	=cut	1790	=cut
1118		1791
1119	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1121		1794
1122	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1796	}
1126		1797
1127	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1128		1840
1129	=back	1841	=back
1130
1131		1842
1132	=head3 cf::map	1843	=head3 cf::map
1133		1844
1134	=over 4	1845	=over 4
1135		1846
…		…
1147	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1149		1860
1150	sub generate_random_map {	1861	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1152	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1867	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1158	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1175		1889
1176	sub register {	1890	sub register {
1177	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1178	my $pkg = caller;	1892	my $pkg = caller;
1179		1893
1180	no strict;
1181	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1182		1895
1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184	}	1897	}
1185		1898
1186	# also paths starting with '/'	1899	# also paths starting with '/'
1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1188		1901
1189	sub thawer_merge {	1902	sub thawer_merge {
1190	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1191		1904
1192	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
1193	local $self->{path};	1906	local $self->{path};
1194	local $self->{load_path};	1907	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1908
1198	$self->SUPER::thawer_merge ($merge);	1909	$self->SUPER::thawer_merge ($merge);
1199	}	1910	}
1200		1911
1201	sub normalise {	1912	sub normalise {
1202	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1203		1914
1204	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1205		1916
1206	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1207		1918
1208	# map plan:	1919	# map plan:
1209	#	1920	#
…		…
1224	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1225	$path = "$base/$path";	1936	$path = "$base/$path";
1226	}	1937	}
1227		1938
1228	for ($path) {	1939	for ($path) {
1229	redo if s{//}{/};
1230	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1231	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1232	}	1942	}
1233		1943
1234	$path	1944	$path
…		…
1248	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1249	return $self;	1959	return $self;
1250	}	1960	}
1251	}	1961	}
1252		1962
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1254	()	1964	()
1255	}	1965	}
1256		1966
1257	sub init {	1967	sub init {
1258	my ($self) = @_;	1968	my ($self) = @_;
…		…
1273		1983
1274	# the original (read-only) location	1984	# the original (read-only) location
1275	sub load_path {	1985	sub load_path {
1276	my ($self) = @_;	1986	my ($self) = @_;
1277		1987
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1988	"$MAPDIR/$self->{path}.map"
1279	}	1989	}
1280		1990
1281	# the temporary/swap location	1991	# the temporary/swap location
1282	sub save_path {	1992	sub save_path {
1283	my ($self) = @_;	1993	my ($self) = @_;
1284		1994
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1996	"$TMPDIR/$path.map"
1287	}	1997	}
1288		1998
1289	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1290	sub uniq_path {	2000	sub uniq_path {
1291	my ($self) = @_;	2001	my ($self) = @_;
1292		2002
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2004	"$UNIQUEDIR/$path"
1295	}	2005	}
1296		2006
1297	# and all this just because we cannot iterate over	2007	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	2008	my ($self) = @_;
1301		2009
1302	$_->change_map_light ($change)	2010	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	2011
		2012	$self->do_decay_objects;
1304	}	2013	}
1305		2014
1306	sub unlink_save {	2015	sub unlink_save {
1307	my ($self) = @_;	2016	my ($self) = @_;
1308		2017
1309	utf8::encode (my $save = $self->save_path);	2018	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2019	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2020	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	2021	}
1318		2022
1319	sub load_header_from($) {	2023	sub load_header_from($) {
1320	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1321		2025
1322	utf8::encode $path;	2026	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1328		2035
1329	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1330		2037
1331	1	2038	1
1332	}	2039	}
…		…
1371	$self->load_header_orig	2078	$self->load_header_orig
1372	or return;	2079	or return;
1373	$self->prepare_orig;	2080	$self->prepare_orig;
1374	}	2081	}
1375		2082
		2083	$self->{deny_reset} = 1
		2084	if $self->no_reset;
		2085
		2086	$self->default_region (cf::region::find_by_path $self->{path})
		2087	unless $self->default_region;
		2088
1376	1	2089	1
1377	}	2090	}
1378		2091
1379	sub find;	2092	sub find;
1380	sub find {	2093	sub find {
1381	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1382		2095
		2096	cf::cede_to_tick;
		2097
1383	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1384		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2102
1387	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1390	or return;	2105	or return;
1391		2106
1392	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1393		2108
1394	$map->load_header	2109	$map->load_header
1395	or return;	2110	or return;
1396		2111
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1400	$map->reset;	2117	$map->reset;
1401	undef $guard;
1402	return find $path;	2118	return find $path;
1403	}	2119	}
1404		2120
1405	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1406	}	2122	}
1407	}	2123	}
1408		2124
1409	sub pre_load { }	2125	sub pre_load { }
1410	sub post_load { }	2126	#sub post_load { } # XS
1411		2127
1412	sub load {	2128	sub load {
1413	my ($self) = @_;	2129	my ($self) = @_;
1414		2130
1415	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1416		2132
1417	my $path = $self->{path};	2133	my $path = $self->{path};
		2134
		2135	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1419		2137
		2138	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2140
1422	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1423		2142
1424	$self->alloc;	2143	$self->alloc;
1425		2144
1426	$self->pre_load;	2145	$self->pre_load;
		2146	cf::cede_to_tick;
1427		2147
1428	$self->_load_objects ($self->{load_path}, 1)	2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
		2150	$self->_load_objects ($f)
1429	or return;	2151	or return;
1430		2152
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1432	if delete $self->{load_original};	2154	if delete $self->{load_original};
1433		2155
1434	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2157	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2160	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1439	}	2164	}
1440	}	2165	}
1441		2166
1442	Coro::cede;	2167	$f->resolve_delayed_derefs;
1443		2168
		2169	cf::cede_to_tick;
1444	# now do the right thing for maps	2170	# now do the right thing for maps
1445	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2173	unless $self->difficulty;
1455	Coro::cede;	2174	cf::cede_to_tick;
		2175
		2176	unless ($self->{deny_activate}) {
		2177	$self->decay_objects;
		2178	$self->fix_auto_apply;
		2179	$self->update_buttons;
		2180	cf::cede_to_tick;
1456	$self->activate;	2181	$self->activate;
		2182	}
		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
		2187	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2188	}
1458		2189
1459	$self->post_load;	2190	$self->post_load;
1460		2191
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2192	1
1462	}	2193	}
1463		2194
		2195	# customize the map for a given player, i.e.
		2196	# return the _real_ map. used by e.g. per-player
		2197	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2198	sub customise_for {
1465	my ($self, $ob) = @_;	2199	my ($self, $ob) = @_;
1466		2200
1467	return find "~" . $ob->name . "/" . $self->{path}	2201	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2202	if $self->per_player;
1469		2203
		2204	# return find "?party/" . $ob->name . "/" . $self->{path}
		2205	# if $self->per_party;
		2206
1470	$self	2207	$self
1471	}	2208	}
1472		2209
1473	# find and load all maps in the 3x3 area around a map	2210	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2211	sub load_neighbours {
1475	my ($map) = @_;	2212	my ($map) = @_;
1476		2213
1477	my @diag; # diagonal neighbours	2214	my @neigh; # diagonal neighbours
1478		2215
1479	for (0 .. 3) {	2216	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2217	my $neigh = $map->tile_path ($_)
1481	or next;	2218	or next;
1482	$neigh = find $neigh, $map	2219	$neigh = find $neigh, $map
1483	or next;	2220	or next;
1484	$neigh->load;	2221	$neigh->load;
1485		2222
		2223	# now find the diagonal neighbours
		2224	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2225	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2226	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2227	}
1489		2228
1490	for (@diag) {	2229	for (grep defined $_->[0], @neigh) {
		2230	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2231	my $neigh = find $path, $origin
1492	or next;	2232	or next;
1493	$neigh->load;	2233	$neigh->load;
1494	}	2234	}
1495	}	2235	}
1496		2236
1497	sub find_sync {	2237	sub find_sync {
1498	my ($path, $origin) = @_;	2238	my ($path, $origin) = @_;
1499		2239
1500	cf::sync_job { find $path, $origin }	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	find $path, $origin
1501	}	2244	}
1502		2245
1503	sub do_load_sync {	2246	sub do_load_sync {
1504	my ($map) = @_;	2247	my ($map) = @_;
1505		2248
1506	cf::sync_job { $map->load };	2249	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2250	if $Coro::current == $Coro::main;
		2251
		2252	$map->load;
1507	}	2253	}
1508		2254
1509	our %MAP_PREFETCH;	2255	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2256	our $MAP_PREFETCHER = undef;
1511		2257
1512	sub find_async {	2258	sub find_async {
1513	my ($path, $origin) = @_;	2259	my ($path, $origin, $load) = @_;
1514		2260
1515	$path = normalise $path, $origin && $origin->{path};	2261	$path = normalise $path, $origin && $origin->{path};
1516		2262
1517	if (my $map = $cf::MAP{$path}) {	2263	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2264	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2265	}
1520		2266
1521	undef $MAP_PREFETCH{$path};	2267	$MAP_PREFETCH{$path} |= $load;
		2268
1522	$MAP_PREFETCHER ||= cf::async {	2269	$MAP_PREFETCHER ||= cf::async {
		2270	$Coro::current->{desc} = "map prefetcher";
		2271
1523	while (%MAP_PREFETCH) {	2272	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2273	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2274	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2275	$map->load if $v;
		2276	}
1528		2277
1529	delete $MAP_PREFETCH{$path};	2278	delete $MAP_PREFETCH{$k};
1530	}	2279	}
1531	}	2280	}
1532	undef $MAP_PREFETCHER;	2281	undef $MAP_PREFETCHER;
1533	};	2282	};
1534	$MAP_PREFETCHER->prio (6);	2283	$MAP_PREFETCHER->prio (6);
1535		2284
1536	()	2285	()
1537	}	2286	}
1538		2287
		2288	# common code, used by both ->save and ->swapout
1539	sub save {	2289	sub _save {
1540	my ($self) = @_;	2290	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2291
1544	$self->{last_save} = $cf::RUNTIME;	2292	$self->{last_save} = $cf::RUNTIME;
1545		2293
1546	return unless $self->dirty;	2294	return unless $self->dirty;
1547		2295
…		…
1553	return if $self->{deny_save};	2301	return if $self->{deny_save};
1554		2302
1555	local $self->{last_access} = $self->last_access;#d#	2303	local $self->{last_access} = $self->last_access;#d#
1556		2304
1557	cf::async {	2305	cf::async {
		2306	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2307	$_->contr->save for $self->players;
1559	};	2308	};
		2309
		2310	cf::get_slot 0.02;
1560		2311
1561	if ($uniq) {	2312	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2313	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2314	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2315	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2316	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2317	}
1567	}	2318	}
1568		2319
		2320	sub save {
		2321	my ($self) = @_;
		2322
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
		2325	$self->_save;
		2326	}
		2327
1569	sub swap_out {	2328	sub swap_out {
1570	my ($self) = @_;	2329	my ($self) = @_;
1571		2330
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2332
		2333	return if $self->in_memory != cf::MAP_ACTIVE;
		2334	return if $self->{deny_save};
1577	return if $self->players;	2335	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2336
		2337	# first deactivate the map and "unlink" it from the core
		2338	$self->deactivate;
		2339	$_->clear_links_to ($self) for values %cf::MAP;
		2340	$self->in_memory (cf::MAP_SWAPPED);
		2341
		2342	# then atomically save
		2343	$self->_save;
		2344
		2345	# then free the map
1581	$self->clear;	2346	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2347	}
1584		2348
1585	sub reset_at {	2349	sub reset_at {
1586	my ($self) = @_;	2350	my ($self) = @_;
1587		2351
1588	# TODO: safety, remove and allow resettable per-player maps	2352	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2353	return 1e99 if $self->{deny_reset};
1591		2354
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2355	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2356	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2357
…		…
1605	my ($self) = @_;	2368	my ($self) = @_;
1606		2369
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2370	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2371
1609	return if $self->players;	2372	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2373
1612	warn "resetting map ", $self->path;#d#	2374	cf::trace "resetting map ", $self->path, "\n";
		2375
		2376	$self->in_memory (cf::MAP_SWAPPED);
		2377
		2378	# need to save uniques path
		2379	unless ($self->{deny_save}) {
		2380	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2381
		2382	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2383	if $uniq;
		2384	}
1613		2385
1614	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1615		2387
1616	$self->in_memory (cf::MAP_SWAPPED);	2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2390	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2391
1621	$self->unlink_save;	2392	$self->unlink_save;
1622	$self->destroy;	2393	$self->destroy;
1623	}	2394	}
1624		2395
1625	my $nuke_counter = "aaaa";	2396	my $nuke_counter = "aaaa";
1626		2397
1627	sub nuke {	2398	sub nuke {
1628	my ($self) = @_;	2399	my ($self) = @_;
1629		2400
		2401	{
		2402	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2403
1630	delete $cf::MAP{$self->path};	2404	delete $cf::MAP{$self->path};
1631		2405
1632	$self->unlink_save;	2406	$self->unlink_save;
1633		2407
1634	bless $self, "cf::map";	2408	bless $self, "cf::map::wrap";
1635	delete $self->{deny_reset};	2409	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2410	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2411	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2412	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2413
1640	$cf::MAP{$self->path} = $self;	2414	$cf::MAP{$self->path} = $self;
		2415	}
1641		2416
1642	$self->reset; # polite request, might not happen	2417	$self->reset; # polite request, might not happen
		2418	}
		2419
		2420	=item $maps = cf::map::tmp_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	maps. May block.
		2424
		2425	=cut
		2426
		2427	sub tmp_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise $_
		2433	: ()
		2434	} @{ aio_readdir $TMPDIR or [] }
		2435	]
		2436	}
		2437
		2438	=item $maps = cf::map::random_maps
		2439
		2440	Returns an arrayref with all map paths of currently instantiated and saved
		2441	random maps. May block.
		2442
		2443	=cut
		2444
		2445	sub random_maps() {
		2446	[
		2447	map {
		2448	utf8::decode $_;
		2449	/\.map$/
		2450	? normalise "?random/$_"
		2451	: ()
		2452	} @{ aio_readdir $RANDOMDIR or [] }
		2453	]
1643	}	2454	}
1644		2455
1645	=item cf::map::unique_maps	2456	=item cf::map::unique_maps
1646		2457
1647	Returns an arrayref of paths of all shared maps that have	2458	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2459	instantiated unique items. May block.
1649		2460
1650	=cut	2461	=cut
1651		2462
1652	sub unique_maps() {	2463	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2464	[
1654	or return;	2465	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2466	utf8::decode $_;
1660	next if /\.pst$/;	2467	s/\.map$//; # TODO future compatibility hack
1661	next unless /^$PATH_SEP/o;	2468	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1662		2469	? ()
1663	push @paths, cf::map::normalise $_;	2470	: normalise $_
		2471	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2472	]
1665
1666	\@paths
1667	}	2473	}
1668		2474
1669	package cf;	2475	=item cf::map::static_maps
		2476
		2477	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2478	file in the shared directory excluding F</styles> and F</editor>). May
		2479	block.
		2480
		2481	=cut
		2482
		2483	sub static_maps() {
		2484	my @dirs = "";
		2485	my @maps;
		2486
		2487	while (@dirs) {
		2488	my $dir = shift @dirs;
		2489
		2490	next if $dir eq "/styles" || $dir eq "/editor";
		2491
		2492	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2493	or return;
		2494
		2495	for (@$files) {
		2496	s/\.map$// or next;
		2497	utf8::decode $_;
		2498	push @maps, "$dir/$_";
		2499	}
		2500
		2501	push @dirs, map "$dir/$_", @$dirs;
		2502	}
		2503
		2504	\@maps
		2505	}
1670		2506
1671	=back	2507	=back
1672		2508
1673	=head3 cf::object	2509	=head3 cf::object
1674		2510
…		…
1678		2514
1679	=over 4	2515	=over 4
1680		2516
1681	=item $ob->inv_recursive	2517	=item $ob->inv_recursive
1682		2518
1683	Returns the inventory of the object _and_ their inventories, recursively.	2519	Returns the inventory of the object I<and> their inventories, recursively,
		2520	but I<not> the object itself.
1684		2521
1685	=cut	2522	=cut
1686		2523
1687	sub inv_recursive_;	2524	sub inv_recursive_;
1688	sub inv_recursive_ {	2525	sub inv_recursive_ {
…		…
1691		2528
1692	sub inv_recursive {	2529	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2530	inv_recursive_ inv $_[0]
1694	}	2531	}
1695		2532
		2533	=item $ref = $ob->ref
		2534
		2535	Creates and returns a persistent reference to an object that can be stored as a string.
		2536
		2537	=item $ob = cf::object::deref ($refstring)
		2538
		2539	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2540	even if the object actually exists. May block.
		2541
		2542	=cut
		2543
		2544	sub deref {
		2545	my ($ref) = @_;
		2546
		2547	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2548	my ($uuid, $name) = ($1, $2);
		2549	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2550	or return;
		2551	$pl->ob->uuid eq $uuid
		2552	or return;
		2553
		2554	$pl->ob
		2555	} else {
		2556	warn "$ref: cannot resolve object reference\n";
		2557	undef
		2558	}
		2559	}
		2560
1696	package cf;	2561	package cf;
1697		2562
1698	=back	2563	=back
1699		2564
1700	=head3 cf::object::player	2565	=head3 cf::object::player
…		…
1706	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2571	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1707	can be C<undef>. Does the right thing when the player is currently in a	2572	can be C<undef>. Does the right thing when the player is currently in a
1708	dialogue with the given NPC character.	2573	dialogue with the given NPC character.
1709		2574
1710	=cut	2575	=cut
		2576
		2577	our $SAY_CHANNEL = {
		2578	id => "say",
		2579	title => "Map",
		2580	reply => "say ",
		2581	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2582	};
		2583
		2584	our $CHAT_CHANNEL = {
		2585	id => "chat",
		2586	title => "Chat",
		2587	reply => "chat ",
		2588	tooltip => "Player chat and shouts, global to the server.",
		2589	};
1711		2590
1712	# rough implementation of a future "reply" method that works	2591	# rough implementation of a future "reply" method that works
1713	# with dialog boxes.	2592	# with dialog boxes.
1714	#TODO: the first argument must go, split into a $npc->reply_to ( method	2593	#TODO: the first argument must go, split into a $npc->reply_to ( method
1715	sub cf::object::player::reply($$$;$) {	2594	sub cf::object::player::reply($$$;$) {
…		…
1717		2596
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2597	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2598
1720	if ($self->{record_replies}) {	2599	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2600	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2601
1722	} else {	2602	} else {
		2603	my $pl = $self->contr;
		2604
		2605	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2606	my $dialog = $pl->{npc_dialog};
		2607	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2608
		2609	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2610	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2611	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2612	}
1725	}	2613	}
		2614	}
		2615
		2616	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2617
		2618	=cut
		2619
		2620	sub cf::object::send_msg {
		2621	my $pl = shift->contr
		2622	or return;
		2623	$pl->send_msg (@_);
1726	}	2624	}
1727		2625
1728	=item $player_object->may ("access")	2626	=item $player_object->may ("access")
1729		2627
1730	Returns wether the given player is authorized to access resource "access"	2628	Returns wether the given player is authorized to access resource "access"
…		…
1743		2641
1744	=item $player_object->enter_link	2642	=item $player_object->enter_link
1745		2643
1746	Freezes the player and moves him/her to a special map (C<{link}>).	2644	Freezes the player and moves him/her to a special map (C<{link}>).
1747		2645
1748	The player should be reasonably safe there for short amounts of time. You	2646	The player should be reasonably safe there for short amounts of time (e.g.
1749	I<MUST> call C<leave_link> as soon as possible, though.	2647	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2648	though, as the player cannot control the character while it is on the link
		2649	map.
1750		2650
1751	Will never block.	2651	Will never block.
1752		2652
1753	=item $player_object->leave_link ($map, $x, $y)	2653	=item $player_object->leave_link ($map, $x, $y)
1754		2654
…		…
1774	sub cf::object::player::enter_link {	2674	sub cf::object::player::enter_link {
1775	my ($self) = @_;	2675	my ($self) = @_;
1776		2676
1777	$self->deactivate_recursive;	2677	$self->deactivate_recursive;
1778		2678
		2679	++$self->{_link_recursion};
		2680
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2681	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2682
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2683	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2684	if $self->map && $self->map->{path} ne "{link}";
1783		2685
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2686	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1785	}	2687	}
1786		2688
1787	sub cf::object::player::leave_link {	2689	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2690	my ($self, $map, $x, $y) = @_;
		2691
		2692	return unless $self->contr->active;
1789		2693
1790	my $link_pos = delete $self->{_link_pos};	2694	my $link_pos = delete $self->{_link_pos};
1791		2695
1792	unless ($map) {	2696	unless ($map) {
1793	# restore original map position	2697	# restore original map position
…		…
1804	($x, $y) = (-1, -1)	2708	($x, $y) = (-1, -1)
1805	unless (defined $x) && (defined $y);	2709	unless (defined $x) && (defined $y);
1806		2710
1807	# use -1 or undef as default coordinates, not 0, 0	2711	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2712	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2713	if $x <= 0 && $y <= 0;
1810		2714
1811	$map->load;	2715	$map->load;
1812	$map->load_diag;	2716	$map->load_neighbours;
1813		2717
1814	return unless $self->contr->active;	2718	return unless $self->contr->active;
		2719
		2720	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2721	if ($self->enter_map ($map, $x, $y)) {
		2722	# entering was successful
		2723	delete $self->{_link_recursion};
		2724	# only activate afterwards, to support waiting in hooks
1815	$self->activate_recursive;	2725	$self->activate_recursive;
1816	$self->enter_map ($map, $x, $y);
1817	}
1818
1819	cf::player->attach (
1820	on_logout => sub {
1821	my ($pl) = @_;
1822
1823	# abort map switching before logout
1824	if ($pl->ob->{_link_pos}) {
1825	cf::sync_job {
1826	$pl->ob->leave_link
1827	};
1828	}
1829	},	2726	}
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2727
1833	# try to abort aborted map switching on player login :)	2728	}
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850		2729
1851	=item $player_object->goto ($path, $x, $y)	2730	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1852		2731
		2732	Moves the player to the given map-path and coordinates by first freezing
		2733	her, loading and preparing them map, calling the provided $check callback
		2734	that has to return the map if sucecssful, and then unfreezes the player on
		2735	the new (success) or old (failed) map position. In either case, $done will
		2736	be called at the end of this process.
		2737
		2738	Note that $check will be called with a potentially non-loaded map, so if
		2739	it needs a loaded map it has to call C<< ->load >>.
		2740
1853	=cut	2741	=cut
		2742
		2743	our $GOTOGEN;
1854		2744
1855	sub cf::object::player::goto {	2745	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2746	my ($self, $path, $x, $y, $check, $done) = @_;
		2747
		2748	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2749	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2750	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2751	($path, $x, $y) = @$EMERGENCY_POSITION;
		2752	}
		2753
		2754	# do generation counting so two concurrent goto's will be executed in-order
		2755	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2756
1858	$self->enter_link;	2757	$self->enter_link;
1859		2758
1860	(async {	2759	(async {
		2760	$Coro::current->{desc} = "player::goto $path $x $y";
		2761
		2762	# *tag paths override both path and x|y
		2763	if ($path =~ /^\*(.*)$/) {
		2764	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2765	my $ob = $obs[rand @obs];
		2766
		2767	# see if we actually can go there
		2768	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2769	$ob = $obs[rand @obs];
		2770	} else {
		2771	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2772	}
		2773	# else put us there anyways for now #d#
		2774
		2775	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2776	} else {
		2777	($path, $x, $y) = (undef, undef, undef);
		2778	}
		2779	}
		2780
1861	my $map = eval {	2781	my $map = eval {
1862	my $map = cf::map::find $path;	2782	my $map = defined $path ? cf::map::find $path : undef;
		2783
		2784	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2785	$map = $map->customise_for ($self);
		2786	$map = $check->($map, $x, $y, $self) if $check && $map;
		2787	} else {
		2788	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2789	}
		2790
1864	$map	2791	$map
		2792	};
		2793
		2794	if ($@) {
		2795	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2796	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2797	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2798
		2799	if ($gen == $self->{_goto_generation}) {
		2800	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2801	$self->leave_link ($map, $x, $y);
		2802	}
		2803
		2804	$done->($self) if $done;
1869	})->prio (1);	2805	})->prio (1);
1870	}	2806	}
1871		2807
1872	=item $player_object->enter_exit ($exit_object)	2808	=item $player_object->enter_exit ($exit_object)
1873		2809
…		…
1893	}	2829	}
1894		2830
1895	sub prepare_random_map {	2831	sub prepare_random_map {
1896	my ($exit) = @_;	2832	my ($exit) = @_;
1897		2833
1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1899
1900	# all this does is basically replace the /! path by	2834	# all this does is basically replace the /! path by
1901	# a new random map path (?random/...) with a seed	2835	# a new random map path (?random/...) with a seed
1902	# that depends on the exit object	2836	# that depends on the exit object
1903		2837
1904	my $rmp = parse_random_map_params $exit->msg;	2838	my $rmp = parse_random_map_params $exit->msg;
…		…
1906	if ($exit->map) {	2840	if ($exit->map) {
1907	$rmp->{region} = $exit->region->name;	2841	$rmp->{region} = $exit->region->name;
1908	$rmp->{origin_map} = $exit->map->path;	2842	$rmp->{origin_map} = $exit->map->path;
1909	$rmp->{origin_x} = $exit->x;	2843	$rmp->{origin_x} = $exit->x;
1910	$rmp->{origin_y} = $exit->y;	2844	$rmp->{origin_y} = $exit->y;
		2845
		2846	$exit->map->touch;
1911	}	2847	}
1912		2848
1913	$rmp->{random_seed} ||= $exit->random_seed;	2849	$rmp->{random_seed} ||= $exit->random_seed;
1914		2850
1915	my $data = cf::to_json $rmp;	2851	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1916	my $md5 = Digest::MD5::md5_hex $data;	2852	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2853	my $meta = "$RANDOMDIR/$md5.meta";
1918		2854
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2855	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2856	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2857	undef $fh;
1922	aio_rename "$meta~", $meta;	2858	aio_rename "$meta~", $meta;
1923		2859
		2860	my $slaying = "?random/$md5";
		2861
		2862	if ($exit->valid) {
1924	$exit->slaying ("?random/$md5");	2863	$exit->slaying ("?random/$md5");
1925	$exit->msg (undef);	2864	$exit->msg (undef);
		2865	}
1926	}	2866	}
1927	}	2867	}
1928		2868
1929	sub cf::object::player::enter_exit {	2869	sub cf::object::player::enter_exit {
1930	my ($self, $exit) = @_;	2870	my ($self, $exit) = @_;
1931		2871
1932	return unless $self->type == cf::PLAYER;	2872	return unless $self->type == cf::PLAYER;
1933		2873
1934	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
1936	cf::sync_job { prepare_random_map $exit };
1937	}
1938
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;
1942
1943	$self->enter_link;	2874	$self->enter_link;
1944		2875
1945	(async {	2876	(async {
1946	$self->deactivate_recursive; # just to be sure	2877	$Coro::current->{desc} = "enter_exit";
		2878
1947	unless (eval {	2879	unless (eval {
		2880	$self->deactivate_recursive; # just to be sure
		2881
		2882	# random map handling
		2883	{
		2884	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2885
		2886	prepare_random_map $exit
		2887	if $exit->slaying eq "/!";
		2888	}
		2889
		2890	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2891	my $x = $exit->stats->hp;
		2892	my $y = $exit->stats->sp;
		2893
1948	$self->goto ($slaying, $hp, $sp);	2894	$self->goto ($map, $x, $y);
1949		2895
		2896	# if exit is damned, update players death & WoR home-position
		2897	$self->contr->savebed ($map, $x, $y)
		2898	if $exit->flag (cf::FLAG_DAMNED);
		2899
1950	1;	2900	1
1951	}) {	2901	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2902	$self->message ("Something went wrong deep within the deliantra server. "
1953	. "I'll try to bring you back to the map you were before. "	2903	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2904	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2905	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2906
1957	warn "ERROR in enter_exit: $@";	2907	error "ERROR in enter_exit: $@";
1958	$self->leave_link;	2908	$self->leave_link;
1959	}	2909	}
1960	})->prio (1);	2910	})->prio (1);
1961	}	2911	}
1962		2912
…		…
1973		2923
1974	sub cf::client::send_drawinfo {	2924	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2925	my ($self, $text, $flags) = @_;
1976		2926
1977	utf8::encode $text;	2927	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2928	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2929	}
1980		2930
		2931	=item $client->send_big_packet ($pkt)
		2932
		2933	Like C<send_packet>, but tries to compress large packets, and fragments
		2934	them as required.
		2935
		2936	=cut
		2937
		2938	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2939
		2940	sub cf::client::send_big_packet {
		2941	my ($self, $pkt) = @_;
		2942
		2943	# try lzf for large packets
		2944	$pkt = "lzf " . Compress::LZF::compress $pkt
		2945	if 1024 <= length $pkt and $self->{can_lzf};
		2946
		2947	# split very large packets
		2948	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2949	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2950	$pkt = "frag";
		2951	}
		2952
		2953	$self->send_packet ($pkt);
		2954	}
		2955
		2956	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2957
		2958	Send a drawinfo or msg packet to the client, formatting the msg for the
		2959	client if neccessary. C<$type> should be a string identifying the type of
		2960	the message, with C<log> being the default. If C<$color> is negative, suppress
		2961	the message unless the client supports the msg packet.
		2962
		2963	=cut
		2964
		2965	# non-persistent channels (usually the info channel)
		2966	our %CHANNEL = (
		2967	"c/motd" => {
		2968	id => "infobox",
		2969	title => "MOTD",
		2970	reply => undef,
		2971	tooltip => "The message of the day",
		2972	},
		2973	"c/identify" => {
		2974	id => "infobox",
		2975	title => "Identify",
		2976	reply => undef,
		2977	tooltip => "Items recently identified",
		2978	},
		2979	"c/examine" => {
		2980	id => "infobox",
		2981	title => "Examine",
		2982	reply => undef,
		2983	tooltip => "Signs and other items you examined",
		2984	},
		2985	"c/shopinfo" => {
		2986	id => "infobox",
		2987	title => "Shop Info",
		2988	reply => undef,
		2989	tooltip => "What your bargaining skill tells you about the shop",
		2990	},
		2991	"c/book" => {
		2992	id => "infobox",
		2993	title => "Book",
		2994	reply => undef,
		2995	tooltip => "The contents of a note or book",
		2996	},
		2997	"c/lookat" => {
		2998	id => "infobox",
		2999	title => "Look",
		3000	reply => undef,
		3001	tooltip => "What you saw there",
		3002	},
		3003	"c/who" => {
		3004	id => "infobox",
		3005	title => "Players",
		3006	reply => undef,
		3007	tooltip => "Shows players who are currently online",
		3008	},
		3009	"c/body" => {
		3010	id => "infobox",
		3011	title => "Body Parts",
		3012	reply => undef,
		3013	tooltip => "Shows which body parts you posess and are available",
		3014	},
		3015	"c/statistics" => {
		3016	id => "infobox",
		3017	title => "Statistics",
		3018	reply => undef,
		3019	tooltip => "Shows your primary statistics",
		3020	},
		3021	"c/skills" => {
		3022	id => "infobox",
		3023	title => "Skills",
		3024	reply => undef,
		3025	tooltip => "Shows your experience per skill and item power",
		3026	},
		3027	"c/shopitems" => {
		3028	id => "infobox",
		3029	title => "Shop Items",
		3030	reply => undef,
		3031	tooltip => "Shows the items currently for sale in this shop",
		3032	},
		3033	"c/resistances" => {
		3034	id => "infobox",
		3035	title => "Resistances",
		3036	reply => undef,
		3037	tooltip => "Shows your resistances",
		3038	},
		3039	"c/pets" => {
		3040	id => "infobox",
		3041	title => "Pets",
		3042	reply => undef,
		3043	tooltip => "Shows information abotu your pets/a specific pet",
		3044	},
		3045	"c/perceiveself" => {
		3046	id => "infobox",
		3047	title => "Perceive Self",
		3048	reply => undef,
		3049	tooltip => "You gained detailed knowledge about yourself",
		3050	},
		3051	"c/uptime" => {
		3052	id => "infobox",
		3053	title => "Uptime",
		3054	reply => undef,
		3055	tooltip => "How long the server has been running since last restart",
		3056	},
		3057	"c/mapinfo" => {
		3058	id => "infobox",
		3059	title => "Map Info",
		3060	reply => undef,
		3061	tooltip => "Information related to the maps",
		3062	},
		3063	"c/party" => {
		3064	id => "party",
		3065	title => "Party",
		3066	reply => "gsay ",
		3067	tooltip => "Messages and chat related to your party",
		3068	},
		3069	"c/death" => {
		3070	id => "death",
		3071	title => "Death",
		3072	reply => undef,
		3073	tooltip => "Reason for and more info about your most recent death",
		3074	},
		3075	"c/say" => $SAY_CHANNEL,
		3076	"c/chat" => $CHAT_CHANNEL,
		3077	);
		3078
		3079	sub cf::client::send_msg {
		3080	my ($self, $channel, $msg, $color, @extra) = @_;
		3081
		3082	$msg = $self->pl->expand_cfpod ($msg)
		3083	unless $color & cf::NDI_VERBATIM;
		3084
		3085	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3086
		3087	# check predefined channels, for the benefit of C
		3088	if ($CHANNEL{$channel}) {
		3089	$channel = $CHANNEL{$channel};
		3090
		3091	$self->ext_msg (channel_info => $channel);
		3092	$channel = $channel->{id};
		3093
		3094	} elsif (ref $channel) {
		3095	# send meta info to client, if not yet sent
		3096	unless (exists $self->{channel}{$channel->{id}}) {
		3097	$self->{channel}{$channel->{id}} = $channel;
		3098	$self->ext_msg (channel_info => $channel);
		3099	}
		3100
		3101	$channel = $channel->{id};
		3102	}
		3103
		3104	return unless @extra || length $msg;
		3105
		3106	# default colour, mask it out
		3107	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3108	if $color & cf::NDI_DEF;
		3109
		3110	my $pkt = "msg "
		3111	. $self->{json_coder}->encode (
		3112	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3113	);
		3114
		3115	$self->send_big_packet ($pkt);
		3116	}
		3117
		3118	=item $client->ext_msg ($type, @msg)
		3119
		3120	Sends an ext event to the client.
		3121
		3122	=cut
		3123
		3124	sub cf::client::ext_msg($$@) {
		3125	my ($self, $type, @msg) = @_;
		3126
		3127	if ($self->extcmd == 2) {
		3128	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3129	} elsif ($self->extcmd == 1) { # TODO: remove
		3130	push @msg, msgtype => "event_$type";
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
		3134
		3135	=item $client->ext_reply ($msgid, @msg)
		3136
		3137	Sends an ext reply to the client.
		3138
		3139	=cut
		3140
		3141	sub cf::client::ext_reply($$@) {
		3142	my ($self, $id, @msg) = @_;
		3143
		3144	if ($self->extcmd == 2) {
		3145	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3146	} elsif ($self->extcmd == 1) {
		3147	#TODO: version 1, remove
		3148	unshift @msg, msgtype => "reply", msgid => $id;
		3149	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3150	}
		3151	}
1981		3152
1982	=item $success = $client->query ($flags, "text", \&cb)	3153	=item $success = $client->query ($flags, "text", \&cb)
1983		3154
1984	Queues a query to the client, calling the given callback with	3155	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3156	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3157	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		3158
1988	Queries can fail, so check the return code. Or don't, as queries will become	3159	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	3160	become reliable at some point in the future.
1990		3161
1991	=cut	3162	=cut
1992		3163
1993	sub cf::client::query {	3164	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	3165	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	3173	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3174	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		3175
2005	$self->send_packet ($self->{query_queue}[0][0])	3176	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	3177	if @{ $self->{query_queue} } == 1;
		3178
		3179	1
2007	}	3180	}
2008		3181
2009	cf::client->attach (	3182	cf::client->attach (
		3183	on_connect => sub {
		3184	my ($ns) = @_;
		3185
		3186	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3187	},
2010	on_reply => sub {	3188	on_reply => sub {
2011	my ($ns, $msg) = @_;	3189	my ($ns, $msg) = @_;
2012		3190
2013	# this weird shuffling is so that direct followup queries	3191	# this weird shuffling is so that direct followup queries
2014	# get handled first	3192	# get handled first
…		…
2026	} else {	3204	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3205	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	3206	}
2029	}	3207	}
2030	},	3208	},
		3209	on_exticmd => sub {
		3210	my ($ns, $buf) = @_;
		3211
		3212	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3213
		3214	if (ref $msg) {
		3215	my ($type, $reply, @payload) =
		3216	"ARRAY" eq ref $msg
		3217	? @$msg
		3218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3219
		3220	my @reply;
		3221
		3222	if (my $cb = $EXTICMD{$type}) {
		3223	@reply = $cb->($ns, @payload);
		3224	}
		3225
		3226	$ns->ext_reply ($reply, @reply)
		3227	if $reply;
		3228
		3229	} else {
		3230	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3231	}
		3232
		3233	cf::override;
		3234	},
2031	);	3235	);
2032		3236
2033	=item $client->async (\&cb)	3237	=item $client->async (\&cb)
2034		3238
2035	Create a new coroutine, running the specified callback. The coroutine will	3239	Create a new coroutine, running the specified callback. The coroutine will
…		…
2051		3255
2052	$coro	3256	$coro
2053	}	3257	}
2054		3258
2055	cf::client->attach (	3259	cf::client->attach (
2056	on_destroy => sub {	3260	on_client_destroy => sub {
2057	my ($ns) = @_;	3261	my ($ns) = @_;
2058		3262
2059	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2060	},	3264	},
2061	);	3265	);
…		…
2076	our $safe = new Safe "safe";	3280	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	3281	our $safe_hole = new Safe::Hole;
2078		3282
2079	$SIG{FPE} = 'IGNORE';	3283	$SIG{FPE} = 'IGNORE';
2080		3284
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3285	$safe->permit_only (Opcode::opset qw(
		3286	:base_core :base_mem :base_orig :base_math :base_loop
		3287	grepstart grepwhile mapstart mapwhile
		3288	sort time
		3289	));
2082		3290
2083	# here we export the classes and methods available to script code	3291	# here we export the classes and methods available to script code
2084		3292
2085	=pod	3293	=pod
2086		3294
2087	The following fucntions and emthods are available within a safe environment:	3295	The following functions and methods are available within a safe environment:
2088		3296
2089	cf::object contr pay_amount pay_player map	3297	cf::object
		3298	contr pay_amount pay_player map x y force_find force_add destroy
		3299	insert remove name archname title slaying race decrease split
		3300	value
		3301
2090	cf::object::player player	3302	cf::object::player
2091	cf::player peaceful	3303	player
2092	cf::map trigger	3304
		3305	cf::player
		3306	peaceful
		3307
		3308	cf::map
		3309	trigger
2093		3310
2094	=cut	3311	=cut
2095		3312
2096	for (	3313	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	3314	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3315	insert remove inv nrof name archname title slaying race
		3316	decrease split destroy change_exp value msg lore send_msg)],
2098	["cf::object::player" => qw(player)],	3317	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	3318	["cf::player" => qw(peaceful send_msg)],
2100	["cf::map" => qw(trigger)],	3319	["cf::map" => qw(trigger)],
2101	) {	3320	) {
2102	no strict 'refs';
2103	my ($pkg, @funs) = @$_;	3321	my ($pkg, @funs) = @$_;
2104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3322	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2105	for @funs;	3323	for @funs;
2106	}	3324	}
2107		3325
…		…
2122		3340
2123	my $qcode = $code;	3341	my $qcode = $code;
2124	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3342	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2125	$qcode =~ s/\n/\\n/g;	3343	$qcode =~ s/\n/\\n/g;
2126		3344
		3345	%vars = (_dummy => 0) unless %vars;
		3346
		3347	my @res;
2127	local $_;	3348	local $_;
2128	local @safe::cf::_safe_eval_args = values %vars;
2129		3349
2130	my $eval =	3350	my $eval =
2131	"do {\n"	3351	"do {\n"
2132	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3352	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2133	. "#line 0 \"{$qcode}\"\n"	3353	. "#line 0 \"{$qcode}\"\n"
2134	. $code	3354	. $code
2135	. "\n}"	3355	. "\n}"
2136	;	3356	;
2137		3357
		3358	if ($CFG{safe_eval}) {
2138	sub_generation_inc;	3359	sub_generation_inc;
		3360	local @safe::cf::_safe_eval_args = values %vars;
2139	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3361	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2140	sub_generation_inc;	3362	sub_generation_inc;
		3363	} else {
		3364	local @cf::_safe_eval_args = values %vars;
		3365	@res = wantarray ? eval eval : scalar eval $eval;
		3366	}
2141		3367
2142	if ($@) {	3368	if ($@) {
2143	warn "$@";	3369	warn "$@",
2144	warn "while executing safe code '$code'\n";	3370	"while executing safe code '$code'\n",
2145	warn "with arguments " . (join " ", %vars) . "\n";	3371	"with arguments " . (join " ", %vars) . "\n";
2146	}	3372	}
2147		3373
2148	wantarray ? @res : $res[0]	3374	wantarray ? @res : $res[0]
2149	}	3375	}
2150		3376
…		…
2164	=cut	3390	=cut
2165		3391
2166	sub register_script_function {	3392	sub register_script_function {
2167	my ($fun, $cb) = @_;	3393	my ($fun, $cb) = @_;
2168		3394
2169	no strict 'refs';	3395	$fun = "safe::$fun" if $CFG{safe_eval};
2170	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3396	*$fun = $safe_hole->wrap ($cb);
2171	}	3397	}
2172		3398
2173	=back	3399	=back
2174		3400
2175	=cut	3401	=cut
2176
2177	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	sub db_load() {
2203	unless ($DB) {
2204	$DB = BDB::db_create $DB_ENV;
2205
2206	cf::sync_job {
2207	eval {
2208	$DB->set_flags (BDB::CHKSUM);
2209
2210	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212	cf::cleanup "db_open(db): $!" if $!;
2213	};
2214	cf::cleanup "db_open(db): $@" if $@;
2215	};
2216
2217	my $path = cf::localdir . "/database.pst";
2218	if (stat $path) {
2219	cf::sync_job {
2220	my $pst = Storable::retrieve $path;
2221
2222	cf::db_put (board => data => $pst->{board});
2223	cf::db_put (guildrules => data => $pst->{guildrules});
2224	cf::db_put (rent => balance => $pst->{rent}{balance});
2225	BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227	unlink $path;
2228	};
2229	}
2230	}
2231	}
2232
2233	sub db_get($$) {
2234	my $key = "$_[0]/$_[1]";
2235
2236	cf::sync_job {
2237	BDB::db_get $DB, undef, $key, my $data;
2238
2239	$! ? ()
2240	: Compress::LZF::sthaw $data
2241	}
2242	}
2243
2244	sub db_put($$$) {
2245	BDB::dbreq_pri 4;
2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2247	}
2248		3402
2249	#############################################################################	3403	#############################################################################
2250	# the server's init and main functions	3404	# the server's init and main functions
2251		3405
		3406	sub load_facedata($) {
		3407	my ($path) = @_;
		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
		3415	trace "loading facedata from $path\n";
		3416
		3417	0 < aio_load $path, my $facedata
		3418	or die "$path: $!";
		3419
		3420	$facedata = Coro::Storable::thaw $facedata;
		3421
		3422	$facedata->{version} == 2
		3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3424
		3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3427	$facedata->{resource}{"res/exp_table"} = {
		3428	type => FT_RSRC,
		3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
		3431	};
		3432	cf::cede_to_tick;
		3433
		3434	{
		3435	my $faces = $facedata->{faceinfo};
		3436
		3437	while (my ($face, $info) = each %$faces) {
		3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3439
		3440	cf::face::set_visibility $idx, $info->{visibility};
		3441	cf::face::set_magicmap $idx, $info->{magicmap};
		3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447
		3448	while (my ($face, $info) = each %$faces) {
		3449	next unless $info->{smooth};
		3450
		3451	my $idx = cf::face::find $face
		3452	or next;
		3453
		3454	if (my $smooth = cf::face::find $info->{smooth}) {
		3455	cf::face::set_smooth $idx, $smooth;
		3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3457	} else {
		3458	error "smooth face '$info->{smooth}' not found for face '$face'";
		3459	}
		3460
		3461	cf::cede_to_tick;
		3462	}
		3463	}
		3464
		3465	{
		3466	my $anims = $facedata->{animinfo};
		3467
		3468	while (my ($anim, $info) = each %$anims) {
		3469	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3470	cf::cede_to_tick;
		3471	}
		3472
		3473	cf::anim::invalidate_all; # d'oh
		3474	}
		3475
		3476	{
		3477	my $res = $facedata->{resource};
		3478
		3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
		3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
		3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
		3495	1
		3496	}
		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
2252	sub load_resources {	3506	sub load_resource_file($) {
2253	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
		3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	load_resource_file "$MAPDIR/regions"
2254	or die "unable to load regions file\n";#d#	3522	or die "unable to load regions file\n";
2255	}
2256		3523
2257	sub cfg_load {	3524	for (cf::region::list) {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3525	$_->{match} = qr/$_->{match}/
2259	or return;	3526	if exists $_->{match};
		3527	}
		3528	}
2260		3529
2261	local $/;	3530	sub reload_facedata {
2262	*CFG = YAML::Syck::Load <$fh>;	3531	load_facedata "$DATADIR/facedata"
		3532	or die "unable to load facedata\n";
		3533	}
2263		3534
		3535	sub reload_archetypes {
		3536	load_resource_file "$DATADIR/archetypes"
		3537	or die "unable to load archetypes\n";
		3538	}
		3539
		3540	sub reload_treasures {
		3541	load_resource_file "$DATADIR/treasures"
		3542	or die "unable to load treasurelists\n";
		3543	}
		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
		3568	sub reload_resources {
		3569	trace "reloading resource files...\n";
		3570
		3571	reload_exp_table;
		3572	reload_materials;
		3573	reload_facedata;
		3574	reload_sound;
		3575	reload_archetypes;
		3576	reload_regions;
		3577	reload_treasures;
		3578
		3579	trace "finished reloading resource files\n";
		3580	}
		3581
		3582	sub reload_config {
		3583	trace "reloading config file...\n";
		3584
		3585	0 < aio_load "$CONFDIR/config", my $config
		3586	or die "$CONFDIR/config: $!";
		3587
		3588	utf8::decode $config;
		3589	*CFG = yaml_load $config;
		3590
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2265		3592
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2268		3595
2269	if (exists $CFG{mlockall}) {	3596	if (exists $CFG{mlockall}) {
…		…
2273	};	3600	};
2274	warn $@ if $@;	3601	warn $@ if $@;
2275	}	3602	}
2276	}	3603	}
2277		3604
2278	sub init {	3605	sub pidfile() {
2279	load_resources;	3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
2280	}	3631	}
2281		3632
2282	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2283	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2284	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2285	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2286	(async {	3646	(async {
2287	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
2288	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
2289	};	3650	};
2290		3651
2291	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
2292	db_load;	3653
		3654	cf::sync_job {
		3655	cf::incloader::init ();
		3656
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662
		3663	reload_resources;
		3664	reload_config;
		3665	db_init;
		3666
		3667	cf::init_uuid;
		3668	cf::init_signals;
		3669	cf::init_skills;
		3670
		3671	cf::init_beforeplay;
		3672
		3673	atomic;
		3674
2293	load_extensions;	3675	load_extensions;
2294		3676
2295	$TICK_WATCHER->start;	3677	utime time, time, $RUNTIMEFILE;
2296	Event::loop;	3678
		3679	# no (long-running) fork's whatsoever before this point(!)
		3680	use POSIX ();
		3681	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3682
		3683	cf::_post_init 0;
		3684	};
		3685
		3686	cf::object::thawer::errors_are_fatal 0;
		3687	info "parse errors in files are no longer fatal from this point on.\n";
		3688
		3689	my $free_main; $free_main = EV::idle sub {
		3690	undef $free_main;
		3691	undef &main; # free gobs of memory :)
		3692	};
		3693
		3694	goto &main_loop;
2297	}	3695	}
2298		3696
2299	#############################################################################	3697	#############################################################################
2300	# initialisation and cleanup	3698	# initialisation and cleanup
2301		3699
2302	# install some emergency cleanup handlers	3700	# install some emergency cleanup handlers
2303	BEGIN {	3701	BEGIN {
		3702	our %SIGWATCHER = ();
2304	for my $signal (qw(INT HUP TERM)) {	3703	for my $signal (qw(INT HUP TERM)) {
2305	Event->signal (	3704	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2306	reentrant => 0,
2307	data => WF_AUTOCANCEL,
2308	signal => $signal,
2309	prio => 0,
2310	cb => sub {
2311	cf::cleanup "SIG$signal";	3705	cf::cleanup "SIG$signal";
2312	},
2313	);	3706	};
		3707	}
		3708	}
		3709
		3710	sub write_runtime_sync {
		3711	my $t0 = AE::time;
		3712
		3713	# first touch the runtime file to show we are still running:
		3714	# the fsync below can take a very very long time.
		3715
		3716	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3717
		3718	my $guard = cf::lock_acquire "write_runtime";
		3719
		3720	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3721	or return;
		3722
		3723	my $value = $cf::RUNTIME + 90 + 10;
		3724	# 10 is the runtime save interval, for a monotonic clock
		3725	# 60 allows for the watchdog to kill the server.
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	# touch it again to show we are up-to-date
		3735	aio_utime $fh, undef, undef;
		3736
		3737	close $fh
		3738	or return;
		3739
		3740	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3741	and return;
		3742
		3743	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3744
2314	}	3745	1
		3746	}
		3747
		3748	our $uuid_lock;
		3749	our $uuid_skip;
		3750
		3751	sub write_uuid_sync($) {
		3752	$uuid_skip ||= $_[0];
		3753
		3754	return if $uuid_lock;
		3755	local $uuid_lock = 1;
		3756
		3757	my $uuid = "$LOCALDIR/uuid";
		3758
		3759	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3760	or return;
		3761
		3762	my $value = uuid_seq uuid_cur;
		3763
		3764	unless ($value) {
		3765	info "cowardly refusing to write zero uuid value!\n";
		3766	return;
		3767	}
		3768
		3769	my $value = uuid_str $value + $uuid_skip;
		3770	$uuid_skip = 0;
		3771
		3772	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3773	and return;
		3774
		3775	# always fsync - this file is important
		3776	aio_fsync $fh
		3777	and return;
		3778
		3779	close $fh
		3780	or return;
		3781
		3782	aio_rename "$uuid~", $uuid
		3783	and return;
		3784
		3785	trace "uuid file written ($value).\n";
		3786
		3787	1
		3788
		3789	}
		3790
		3791	sub write_uuid($$) {
		3792	my ($skip, $sync) = @_;
		3793
		3794	$sync ? write_uuid_sync $skip
		3795	: async { write_uuid_sync $skip };
2315	}	3796	}
2316		3797
2317	sub emergency_save() {	3798	sub emergency_save() {
2318	my $freeze_guard = cf::freeze_mainloop;	3799	my $freeze_guard = cf::freeze_mainloop;
2319		3800
2320	warn "enter emergency perl save\n";	3801	info "emergency_perl_save: enter\n";
		3802
		3803	# this is a trade-off: we want to be very quick here, so
		3804	# save all maps without fsync, and later call a global sync
		3805	# (which in turn might be very very slow)
		3806	local $USE_FSYNC = 0;
2321		3807
2322	cf::sync_job {	3808	cf::sync_job {
		3809	cf::write_runtime_sync; # external watchdog should not bark
		3810
2323	# use a peculiar iteration method to avoid tripping on perl	3811	# use a peculiar iteration method to avoid tripping on perl
2324	# refcount bugs in for. also avoids problems with players	3812	# refcount bugs in for. also avoids problems with players
2325	# and maps saved/destroyed asynchronously.	3813	# and maps saved/destroyed asynchronously.
2326	warn "begin emergency player save\n";	3814	info "emergency_perl_save: begin player save\n";
2327	for my $login (keys %cf::PLAYER) {	3815	for my $login (keys %cf::PLAYER) {
2328	my $pl = $cf::PLAYER{$login} or next;	3816	my $pl = $cf::PLAYER{$login} or next;
2329	$pl->valid or next;	3817	$pl->valid or next;
		3818	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2330	$pl->save;	3819	$pl->save;
2331	}	3820	}
2332	warn "end emergency player save\n";	3821	info "emergency_perl_save: end player save\n";
2333		3822
2334	warn "begin emergency map save\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin map save\n";
2335	for my $path (keys %cf::MAP) {	3826	for my $path (keys %cf::MAP) {
2336	my $map = $cf::MAP{$path} or next;	3827	my $map = $cf::MAP{$path} or next;
2337	$map->valid or next;	3828	$map->valid or next;
2338	$map->save;	3829	$map->save;
2339	}	3830	}
2340	warn "end emergency map save\n";	3831	info "emergency_perl_save: end map save\n";
2341		3832
2342	warn "begin emergency database checkpoint\n";	3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	info "emergency_perl_save: begin database checkpoint\n";
2343	BDB::db_env_txn_checkpoint $DB_ENV;	3836	BDB::db_env_txn_checkpoint $DB_ENV;
2344	warn "end emergency database checkpoint\n";	3837	info "emergency_perl_save: end database checkpoint\n";
		3838
		3839	info "emergency_perl_save: begin write uuid\n";
		3840	write_uuid_sync 1;
		3841	info "emergency_perl_save: end write uuid\n";
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: syncing database to disk";
		3846	BDB::db_env_txn_checkpoint $DB_ENV;
		3847
		3848	info "emergency_perl_save: starting sync\n";
		3849	IO::AIO::aio_sync sub {
		3850	info "emergency_perl_save: finished sync\n";
		3851	};
		3852
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
		3855	trace "emergency_perl_save: flushing outstanding aio requests";
		3856	while (IO::AIO::nreqs || BDB::nreqs) {
		3857	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3858	}
		3859
		3860	cf::write_runtime_sync; # external watchdog should not bark
2345	};	3861	};
2346		3862
2347	warn "leave emergency perl save\n";	3863	info "emergency_perl_save: leave\n";
2348	}	3864	}
2349		3865
		3866	sub post_cleanup {
		3867	my ($make_core) = @_;
		3868
		3869	IO::AIO::flush;
		3870
		3871	error Carp::longmess "post_cleanup backtrace"
		3872	if $make_core;
		3873
		3874	my $fh = pidfile;
		3875	unlink $PIDFILE if <$fh> == $$;
		3876	}
		3877
		3878	# a safer delete_package, copied from Symbol
		3879	sub clear_package($) {
		3880	my $pkg = shift;
		3881
		3882	# expand to full symbol table name if needed
		3883	unless ($pkg =~ /^main::.*::$/) {
		3884	$pkg = "main$pkg" if $pkg =~ /^::/;
		3885	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3886	$pkg .= '::' unless $pkg =~ /::$/;
		3887	}
		3888
		3889	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3890	my $stem_symtab = *{$stem}{HASH};
		3891
		3892	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3893	or return;
		3894
		3895	# clear all symbols
		3896	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3897	for my $name (keys %$leaf_symtab) {
		3898	_gv_clear *{"$pkg$name"};
		3899	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3900	}
		3901	}
		3902
2350	sub reload() {	3903	sub do_reload_perl() {
2351	# can/must only be called in main	3904	# can/must only be called in main
2352	if ($Coro::current != $Coro::main) {	3905	unless (in_main) {
2353	warn "can only reload from main coroutine";	3906	error "can only reload from main coroutine";
2354	return;	3907	return;
2355	}	3908	}
2356		3909
2357	warn "reloading...";	3910	return if $RELOAD++;
2358		3911
2359	warn "cancelling server ticker";	3912	my $t1 = AE::time;
2360	$TICK_WATCHER->cancel;
2361		3913
		3914	while ($RELOAD) {
		3915	cf::get_slot 0.1, -1, "reload_perl";
		3916	info "perl_reload: reloading...";
		3917
		3918	trace "perl_reload: entering sync_job";
		3919
		3920	cf::sync_job {
2362	cf::emergency_save;	3921	#cf::emergency_save;
2363		3922
2364	eval {
2365	# if anything goes wrong in here, we should simply crash as we already saved
2366
2367	warn "cancelling all WF_AUTOCANCEL watchers";
2368	for (Event::all_watchers) {
2369	$_->cancel if $_->data & WF_AUTOCANCEL;
2370	}
2371
2372	warn "syncing database to disk";
2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374
2375	warn "flushing outstanding aio requests";
2376	for (;;) {
2377	BDB::flush;
2378	IO::AIO::flush;
2379	Coro::cede;
2380	last unless IO::AIO::nreqs || BDB::nreqs;
2381	warn "iterate...";
2382	}
2383
2384	warn "cancelling all extension coros";	3923	trace "perl_reload: cancelling all extension coros";
2385	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2386	%EXT_CORO = ();	3925	%EXT_CORO = ();
2387		3926
2388	warn "removing commands";	3927	trace "perl_reload: removing commands";
2389	%COMMAND = ();	3928	%COMMAND = ();
2390		3929
2391	warn "removing ext commands";	3930	trace "perl_reload: removing ext/exti commands";
2392	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2393		3933
2394	warn "unloading/nuking all extensions";	3934	trace "perl_reload: unloading/nuking all extensions";
2395	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2396	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2397		3937
2398	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2399	eval {	3939	eval {
2400	$cb->($pkg);	3940	$cb->($pkg);
2401	1	3941	1
2402	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2403	}	3947	}
2404		3948
2405	warn "... nuking $pkg";
2406	Symbol::delete_package $pkg;
2407	}
2408
2409	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2410	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2411	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2412		3952
2413	warn "... unloading $k";	3953	trace "... unloading $k";
2414	delete $INC{$k};	3954	delete $INC{$k};
2415		3955
2416	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2417	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2418		3958
2419	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2420	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2421	}	3964	}
2422		3965
2423	Symbol::delete_package $k;
2424	}
2425
2426	warn "getting rid of safe::, as good as possible";	3966	trace "perl_reload: getting rid of safe::, as good as possible";
2427	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2428	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2429		3969
2430	warn "unloading cf.pm \"a bit\"";	3970	trace "perl_reload: unloading cf.pm \"a bit\"";
2431	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
		3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2432		3973
2433	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2434	# and global variables created in xs	3975	# and global variables created in xs
2435	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2436		3977
2437	warn "unload completed, starting to reload now";	3978	info "perl_reload: unload completed, starting to reload now";
2438		3979
2439	warn "reloading cf.pm";	3980	trace "perl_reload: reloading cf.pm";
2440	require cf;	3981	require cf;
2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2442		3983
2443	warn "loading config and database again";	3984	trace "perl_reload: loading config and database again";
2444	cf::cfg_load;	3985	cf::reload_config;
2445	cf::db_load;
2446		3986
2447	warn "loading extensions";	3987	trace "perl_reload: loading extensions";
2448	cf::load_extensions;	3988	cf::load_extensions;
2449		3989
		3990	if ($REATTACH_ON_RELOAD) {
2450	warn "reattaching attachments to objects/players";	3991	trace "perl_reload: reattaching attachments to objects/players";
2451	_global_reattach;	3992	_global_reattach; # objects, sockets
2452	warn "reattaching attachments to maps";	3993	trace "perl_reload: reattaching attachments to maps";
2453	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
		3995	trace "perl_reload: reattaching attachments to players";
		3996	reattach $_ for values %PLAYER;
		3997	}
2454		3998
2455	warn "loading reloadable resources";	3999	cf::_post_init 1;
2456	load_resources;
2457		4000
2458	warn "restarting server ticker";	4001	trace "perl_reload: leaving sync_job";
2459		4002
2460	$TICK_WATCHER->start;	4003	1
		4004	} or do {
		4005	error $@;
		4006	cf::cleanup "perl_reload: error, exiting.";
		4007	};
		4008
		4009	--$RELOAD;
		4010	}
		4011
		4012	$t1 = AE::time - $t1;
		4013	info "perl_reload: completed in ${t1}s\n";
		4014	};
		4015
		4016	our $RELOAD_WATCHER; # used only during reload
		4017
		4018	sub reload_perl() {
		4019	# doing reload synchronously and two reloads happen back-to-back,
		4020	# coro crashes during coro_state_free->destroy here.
		4021
		4022	$RELOAD_WATCHER ||= cf::async {
		4023	Coro::AIO::aio_wait cache_extensions;
		4024
		4025	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4026	do_reload_perl;
		4027	undef $RELOAD_WATCHER;
		4028	};
2461	};	4029	};
2462		4030	}
2463	if ($@) {
2464	warn $@;
2465	warn "error while reloading, exiting.";
2466	exit 1;
2467	}
2468
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		4031
2474	register_command "reload" => sub {	4032	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	4033	my ($who, $arg) = @_;
2476		4034
2477	if ($who->flag (FLAG_WIZ)) {	4035	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	4036	$who->message ("reloading server.");
2479		4037	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	4038	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	4039	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	4040	};
2492	}	4041	}
2493	};	4042	};
2494		4043
2495	unshift @INC, $LIBDIR;	4044	#############################################################################
2496		4045
2497	my $bug_warning = 0;	4046	my $bug_warning = 0;
2498		4047
2499	$TICK_WATCHER = Event->timer (	4048	our @WAIT_FOR_TICK;
2500	reentrant => 0,	4049	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	4050
2502	prio => 0,	4051	sub wait_for_tick() {
2503	at => $NEXT_TICK || $TICK,	4052	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	4053
2505	cb => sub {	4054	my $signal = new Coro::Signal;
		4055	push @WAIT_FOR_TICK, $signal;
		4056	$signal->wait;
		4057	}
		4058
		4059	sub wait_for_tick_begin() {
		4060	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4061
		4062	my $signal = new Coro::Signal;
		4063	push @WAIT_FOR_TICK_BEGIN, $signal;
		4064	$signal->wait;
		4065	}
		4066
		4067	sub tick {
2506	if ($Coro::current != $Coro::main) {	4068	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4069	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	4070	unless ++$bug_warning > 10;
2509	return;	4071	return;
2510	}	4072	}
2511		4073
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	4074	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		4075
2518	$WAIT_FOR_TICK->broadcast;	4076	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2520		4077
2521	Event::sweep;	4078	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2522	Coro::cede_notself;	4079	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4080	Coro::async_pool {
		4081	$Coro::current->{desc} = "runtime saver";
		4082	write_runtime_sync
		4083	or error "ERROR: unable to write runtime file: $!";
		4084	};
		4085	}
		4086
		4087	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4088	$sig->send;
		4089	}
		4090	while (my $sig = shift @WAIT_FOR_TICK) {
		4091	$sig->send;
		4092	}
		4093
		4094	$LOAD = ($NOW - $TICK_START) / $TICK;
		4095	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4096
		4097	if (0) {
		4098	if ($NEXT_TICK) {
		4099	my $jitter = $TICK_START - $NEXT_TICK;
		4100	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4101	debug "jitter $JITTER\n";#d#
2523		4102	}
2524	# my $AFTER = Event::time;
2525	# warn $AFTER - $NOW;#d#
2526
2527	# if we are delayed by four ticks or more, skip them all
2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2529
2530	$TICK_WATCHER->at ($NEXT_TICK);
2531	$TICK_WATCHER->start;
2532	},	4103	}
2533	);	4104	}
2534		4105
2535	{	4106	{
2536	BDB::max_poll_time $TICK * 0.1;	4107	# configure BDB
2537	$BDB_POLL_WATCHER = Event->io (	4108
2538	reentrant => 0,
2539	fd => BDB::poll_fileno,
2540	poll => 'r',
2541	prio => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => \&BDB::poll_cb,
2544	);
2545	BDB::min_parallel 8;	4109	BDB::min_parallel 16;
2546		4110	BDB::max_poll_reqs $TICK * 0.1;
2547	BDB::set_sync_prepare {	4111	$AnyEvent::BDB::WATCHER->priority (1);
2548	my $status;
2549	my $current = $Coro::current;
2550	(
2551	sub {
2552	$status = $!;
2553	$current->ready; undef $current;
2554	},
2555	sub {
2556	Coro::schedule while defined $current;
2557	$! = $status;
2558	},
2559	)
2560	};
2561		4112
2562	unless ($DB_ENV) {	4113	unless ($DB_ENV) {
2563	$DB_ENV = BDB::db_env_create;	4114	$DB_ENV = BDB::db_env_create;
		4115	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4116	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4117	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4118	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4119	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2564		4120
2565	cf::sync_job {	4121	cf::sync_job {
2566	eval {	4122	eval {
2567	BDB::db_env_open	4123	BDB::db_env_open
2568	$DB_ENV,	4124	$DB_ENV,
2569	$BDB_ENV_DIR,	4125	$BDBDIR,
2570	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4126	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4127	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572	0666;	4128	0666;
2573		4129
2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4130	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575
2576	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2577	$DB_ENV->set_lk_detect;
2578	};	4131	};
2579		4132
2580	cf::cleanup "db_env_open(db): $@" if $@;	4133	cf::cleanup "db_env_open(db): $@" if $@;
2581	};	4134	};
2582	}	4135	}
		4136
		4137	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4138	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4139	};
		4140	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4141	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4142	};
		4143	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4144	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4145	};
2583	}	4146	}
2584		4147
2585	{	4148	{
		4149	# configure IO::AIO
		4150
2586	IO::AIO::min_parallel 8;	4151	IO::AIO::min_parallel 8;
2587
2588	undef $Coro::AIO::WATCHER;
2589	IO::AIO::max_poll_time $TICK * 0.1;	4152	IO::AIO::max_poll_time $TICK * 0.1;
2590	$AIO_POLL_WATCHER = Event->io (	4153	undef $AnyEvent::AIO::WATCHER;
2591	reentrant => 0,
2592	fd => IO::AIO::poll_fileno,
2593	poll => 'r',
2594	prio => 6,
2595	data => WF_AUTOCANCEL,
2596	cb => \&IO::AIO::poll_cb,
2597	);
2598	}	4154	}
2599		4155
2600	$WRITE_RUNTIME_WATCHER = Event->timer (	4156	our $_log_backtrace;
2601	reentrant => 0,	4157	our $_log_backtrace_last;
2602	data => WF_AUTOCANCEL,	4158
2603	after => 1,	4159	sub _log_backtrace {
2604	interval => 10,	4160	my ($msg, @addr) = @_;
2605	prio => 6, # keep it lowest so it acts like a watchdog	4161
2606	cb => Coro::unblock_sub {	4162	$msg =~ s/\n$//;
2607	write_runtime	4163
2608	or warn "ERROR: unable to write runtime file: $!";	4164	if ($_log_backtrace_last eq $msg) {
		4165	LOG llevInfo, "[ABT] $msg\n";
		4166	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4167	# limit the # of concurrent backtraces
		4168	} elsif ($_log_backtrace < 2) {
		4169	$_log_backtrace_last = $msg;
		4170	++$_log_backtrace;
		4171	my $perl_bt = Carp::longmess $msg;
		4172	async {
		4173	$Coro::current->{desc} = "abt $msg";
		4174
		4175	my @bt = fork_call {
		4176	@addr = map { sprintf "%x", $_ } @addr;
		4177	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4178	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4179	or die "addr2line: $!";
		4180
		4181	my @funcs;
		4182	my @res = <$fh>;
		4183	chomp for @res;
		4184	while (@res) {
		4185	my ($func, $line) = splice @res, 0, 2, ();
		4186	push @funcs, "[$func] $line";
		4187	}
		4188
		4189	@funcs
		4190	};
		4191
		4192	LOG llevInfo, "[ABT] $perl_bt\n";
		4193	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4194	LOG llevInfo, "[ABT] $_\n" for @bt;
		4195	--$_log_backtrace;
		4196	};
		4197	} else {
		4198	LOG llevInfo, "[ABT] $msg\n";
		4199	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2609	},	4200	}
2610	);	4201	}
		4202
		4203	# load additional modules
		4204	require "cf/$_.pm" for @EXTRA_MODULES;
		4205	cf::_connect_to_perl_2;
2611		4206
2612	END { cf::emergency_save }	4207	END { cf::emergency_save }
2613		4208
2614	1	4209	1
2615		4210

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