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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC vs.
Revision 1.557 by root, Tue Oct 5 21:40:05 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) = @_;
1152	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1153	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157	$rmp->{exit_on_final_map},
1158	$rmp->{xsize}, $rmp->{ysize},
1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1164	(cf::region::find $rmp->{region}), $rmp->{custom}
1165	)
1166	}	1867	}
1167		1868
1168	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1169		1870
1170	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1175		1876
1176	sub register {	1877	sub register {
1177	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1178	my $pkg = caller;	1879	my $pkg = caller;
1179		1880
1180	no strict;
1181	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1182		1882
1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184	}	1884	}
1185		1885
1186	# also paths starting with '/'	1886	# also paths starting with '/'
1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1188		1888
1189	sub thawer_merge {	1889	sub thawer_merge {
1190	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1191		1891
1192	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
1193	local $self->{path};	1893	local $self->{path};
1194	local $self->{load_path};	1894	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1895
1198	$self->SUPER::thawer_merge ($merge);	1896	$self->SUPER::thawer_merge ($merge);
1199	}	1897	}
1200		1898
1201	sub normalise {	1899	sub normalise {
1202	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1203		1901
1204	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1205		1903
1206	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1207		1905
1208	# map plan:	1906	# map plan:
1209	#	1907	#
…		…
1224	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1225	$path = "$base/$path";	1923	$path = "$base/$path";
1226	}	1924	}
1227		1925
1228	for ($path) {	1926	for ($path) {
1229	redo if s{//}{/};
1230	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1231	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1232	}	1929	}
1233		1930
1234	$path	1931	$path
…		…
1248	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1249	return $self;	1946	return $self;
1250	}	1947	}
1251	}	1948	}
1252		1949
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1254	()	1951	()
1255	}	1952	}
1256		1953
1257	sub init {	1954	sub init {
1258	my ($self) = @_;	1955	my ($self) = @_;
…		…
1273		1970
1274	# the original (read-only) location	1971	# the original (read-only) location
1275	sub load_path {	1972	sub load_path {
1276	my ($self) = @_;	1973	my ($self) = @_;
1277		1974
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1975	"$MAPDIR/$self->{path}.map"
1279	}	1976	}
1280		1977
1281	# the temporary/swap location	1978	# the temporary/swap location
1282	sub save_path {	1979	sub save_path {
1283	my ($self) = @_;	1980	my ($self) = @_;
1284		1981
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1983	"$TMPDIR/$path.map"
1287	}	1984	}
1288		1985
1289	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1290	sub uniq_path {	1987	sub uniq_path {
1291	my ($self) = @_;	1988	my ($self) = @_;
1292		1989
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1991	"$UNIQUEDIR/$path"
1295	}	1992	}
1296		1993
1297	# and all this just because we cannot iterate over	1994	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	1995	my ($self) = @_;
1301		1996
1302	$_->change_map_light ($change)	1997	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	1998
		1999	$self->do_decay_objects;
1304	}	2000	}
1305		2001
1306	sub unlink_save {	2002	sub unlink_save {
1307	my ($self) = @_;	2003	my ($self) = @_;
1308		2004
1309	utf8::encode (my $save = $self->save_path);	2005	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2006	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2007	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	}	2008	}
1318		2009
1319	sub load_header_from($) {	2010	sub load_header_from($) {
1320	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1321		2012
1322	utf8::encode $path;	2013	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1328		2022
1329	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1330		2024
1331	1	2025	1
1332	}	2026	}
…		…
1371	$self->load_header_orig	2065	$self->load_header_orig
1372	or return;	2066	or return;
1373	$self->prepare_orig;	2067	$self->prepare_orig;
1374	}	2068	}
1375		2069
		2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
		2072
		2073	$self->default_region (cf::region::find_by_path $self->{path})
		2074	unless $self->default_region;
		2075
1376	1	2076	1
1377	}	2077	}
1378		2078
1379	sub find;	2079	sub find;
1380	sub find {	2080	sub find {
1381	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1382		2082
		2083	cf::cede_to_tick;
		2084
1383	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1384		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2089
1387	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1390	or return;	2092	or return;
1391		2093
1392	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1393		2095
1394	$map->load_header	2096	$map->load_header
1395	or return;	2097	or return;
1396		2098
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1400	$map->reset;	2104	$map->reset;
1401	undef $guard;
1402	return find $path;	2105	return find $path;
1403	}	2106	}
1404		2107
1405	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1406	}	2109	}
1407	}	2110	}
1408		2111
1409	sub pre_load { }	2112	sub pre_load { }
1410	sub post_load { }	2113	#sub post_load { } # XS
1411		2114
1412	sub load {	2115	sub load {
1413	my ($self) = @_;	2116	my ($self) = @_;
1414		2117
1415	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1416		2119
1417	my $path = $self->{path};	2120	my $path = $self->{path};
		2121
		2122	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1419		2124
		2125	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2127
1422	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1423		2129
1424	$self->alloc;	2130	$self->alloc;
1425		2131
1426	$self->pre_load;	2132	$self->pre_load;
		2133	cf::cede_to_tick;
1427		2134
1428	$self->_load_objects ($self->{load_path}, 1)	2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
		2137	$self->_load_objects ($f)
1429	or return;	2138	or return;
1430		2139
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1432	if delete $self->{load_original};	2141	if delete $self->{load_original};
1433		2142
1434	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2144	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2147	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1439	}	2151	}
1440	}	2152	}
1441		2153
1442	Coro::cede;	2154	$f->resolve_delayed_derefs;
1443		2155
		2156	cf::cede_to_tick;
1444	# now do the right thing for maps	2157	# now do the right thing for maps
1445	$self->link_multipart_objects;	2158	$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)	2159	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2160	unless $self->difficulty;
1455	Coro::cede;	2161	cf::cede_to_tick;
		2162
		2163	unless ($self->{deny_activate}) {
		2164	$self->decay_objects;
		2165	$self->fix_auto_apply;
		2166	$self->update_buttons;
		2167	cf::cede_to_tick;
1456	$self->activate;	2168	$self->activate;
		2169	}
		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
		2174	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2175	}
1458		2176
1459	$self->post_load;	2177	$self->post_load;
1460		2178
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2179	1
1462	}	2180	}
1463		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2185	sub customise_for {
1465	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1466		2187
1467	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2189	if $self->per_player;
1469		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
1470	$self	2194	$self
1471	}	2195	}
1472		2196
1473	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2198	sub load_neighbours {
1475	my ($map) = @_;	2199	my ($map) = @_;
1476		2200
1477	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1478		2202
1479	for (0 .. 3) {	2203	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1481	or next;	2205	or next;
1482	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1483	or next;	2207	or next;
1484	$neigh->load;	2208	$neigh->load;
1485		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2214	}
1489		2215
1490	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1492	or next;	2219	or next;
1493	$neigh->load;	2220	$neigh->load;
1494	}	2221	}
1495	}	2222	}
1496		2223
1497	sub find_sync {	2224	sub find_sync {
1498	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1499		2226
1500	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1501	}	2231	}
1502		2232
1503	sub do_load_sync {	2233	sub do_load_sync {
1504	my ($map) = @_;	2234	my ($map) = @_;
1505		2235
1506	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1507	}	2240	}
1508		2241
1509	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1511		2244
1512	sub find_async {	2245	sub find_async {
1513	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1514		2247
1515	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1516		2249
1517	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2252	}
1520		2253
1521	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1522	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1523	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2261	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2262	$map->load if $v;
		2263	}
1528		2264
1529	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1530	}	2266	}
1531	}	2267	}
1532	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1533	};	2269	};
1534	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1535		2271
1536	()	2272	()
1537	}	2273	}
1538		2274
		2275	# common code, used by both ->save and ->swapout
1539	sub save {	2276	sub _save {
1540	my ($self) = @_;	2277	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2278
1544	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1545		2280
1546	return unless $self->dirty;	2281	return unless $self->dirty;
1547		2282
…		…
1553	return if $self->{deny_save};	2288	return if $self->{deny_save};
1554		2289
1555	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1556		2291
1557	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1559	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1560		2298
1561	if ($uniq) {	2299	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2302	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2304	}
1567	}	2305	}
1568		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1569	sub swap_out {	2315	sub swap_out {
1570	my ($self) = @_;	2316	my ($self) = @_;
1571		2317
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1577	return if $self->players;	2322	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1581	$self->clear;	2333	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2334	}
1584		2335
1585	sub reset_at {	2336	sub reset_at {
1586	my ($self) = @_;	2337	my ($self) = @_;
1587		2338
1588	# TODO: safety, remove and allow resettable per-player maps	2339	# 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};	2340	return 1e99 if $self->{deny_reset};
1591		2341
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2344
…		…
1605	my ($self) = @_;	2355	my ($self) = @_;
1606		2356
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2358
1609	return if $self->players;	2359	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2360
1612	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
1613		2362
1614	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1615		2364
1616	# need to save uniques path	2365	# need to save uniques path
1617	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2370	if $uniq;
1622	}	2371	}
1623		2372
1624	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1625		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2377	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2378
1630	$self->unlink_save;	2379	$self->unlink_save;
1631	$self->destroy;	2380	$self->destroy;
1632	}	2381	}
1633		2382
1634	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1635		2384
1636	sub nuke {	2385	sub nuke {
1637	my ($self) = @_;	2386	my ($self) = @_;
1638		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
1639	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
1640		2392
1641	$self->unlink_save;	2393	$self->unlink_save;
1642		2394
1643	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2400
1649	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
1650		2403
1651	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
		2405	}
		2406
		2407	=item $maps = cf::map::tmp_maps
		2408
		2409	Returns an arrayref with all map paths of currently instantiated and saved
		2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
		2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
		2424
		2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
1652	}	2441	}
1653		2442
1654	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1655		2444
1656	Returns an arrayref of paths of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2446	instantiated unique items. May block.
1658		2447
1659	=cut	2448	=cut
1660		2449
1661	sub unique_maps() {	2450	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2451	[
1663	or return;	2452	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2453	utf8::decode $_;
1669	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2456	? ()
1672	push @paths, cf::map::normalise $_;	2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2459	]
1674
1675	\@paths
1676	}	2460	}
1677		2461
1678	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1679		2493
1680	=back	2494	=back
1681		2495
1682	=head3 cf::object	2496	=head3 cf::object
1683		2497
…		…
1687		2501
1688	=over 4	2502	=over 4
1689		2503
1690	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1691		2505
1692	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1693		2508
1694	=cut	2509	=cut
1695		2510
1696	sub inv_recursive_;	2511	sub inv_recursive_;
1697	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1700		2515
1701	sub inv_recursive {	2516	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1703	}	2518	}
1704		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1705	package cf;	2548	package cf;
1706		2549
1707	=back	2550	=back
1708		2551
1709	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1718		2561
1719	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1720		2577
1721	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2579	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1726		2583
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2585
1729	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1731	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1734	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1735	}	2611	}
1736		2612
1737	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1738		2614
1739	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1752		2628
1753	=item $player_object->enter_link	2629	=item $player_object->enter_link
1754		2630
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2632
1757	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
1759		2637
1760	Will never block.	2638	Will never block.
1761		2639
1762	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1763		2641
…		…
1783	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2662	my ($self) = @_;
1785		2663
1786	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1787		2665
		2666	++$self->{_link_recursion};
		2667
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2669
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1792		2672
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2674	}
1795		2675
1796	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1798		2680
1799	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1800		2682
1801	unless ($map) {	2683	unless ($map) {
1802	# restore original map position	2684	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1815		2697
1816	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1819		2701
1820	$map->load;	2702	$map->load;
1821	$map->load_diag;	2703	$map->load_neighbours;
1822		2704
1823	return unless $self->contr->active;	2705	return unless $self->contr->active;
		2706
		2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2708	if ($self->enter_map ($map, $x, $y)) {
		2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
1824	$self->activate_recursive;	2712	$self->activate_recursive;
1825	$self->enter_map ($map, $x, $y);
1826	}
1827
1828	cf::player->attach (
1829	on_logout => sub {
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},	2713	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2714
1842	# try to abort aborted map switching on player login :)	2715	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2716
1860	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		2718
		2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
1862	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1863		2731
1864	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2743
1867	$self->enter_link;	2744	$self->enter_link;
1868		2745
1869	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
1870	my $map = eval {	2768	my $map = eval {
1871	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
		2774	} else {
		2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
		2777
1873	$map	2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2784	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1878	})->prio (1);	2792	})->prio (1);
1879	}	2793	}
1880		2794
1881	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1882		2796
…		…
1902	}	2816	}
1903		2817
1904	sub prepare_random_map {	2818	sub prepare_random_map {
1905	my ($exit) = @_;	2819	my ($exit) = @_;
1906		2820
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2823	# that depends on the exit object
1912		2824
1913	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2827	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
1920	}	2834	}
1921		2835
1922	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
1923		2837
1924	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
1927		2841
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2844	undef $fh;
1931	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
1932		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
1935	}	2853	}
1936	}	2854	}
1937		2855
1938	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
1940		2858
1941	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
1942		2860
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2861	$self->enter_link;
1953		2862
1954	(async {	2863	(async {
1955	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
1956	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
1957	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
1958		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
1959	1;	2887	1
1960	}) {	2888	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2893
1966	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	2895	$self->leave_link;
1968	}	2896	}
1969	})->prio (1);	2897	})->prio (1);
1970	}	2898	}
1971		2899
…		…
1982		2910
1983	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
1985		2913
1986	utf8::encode $text;	2914	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2916	}
1989		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
		3105	=item $client->ext_msg ($type, @msg)
		3106
		3107	Sends an ext event to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_msg($$@) {
		3112	my ($self, $type, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
		3117	push @msg, msgtype => "event_$type";
		3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
		3138	}
1990		3139
1991	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
1992		3141
1993	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		3145
1997	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	3147	become reliable at some point in the future.
1999		3148
2000	=cut	3149	=cut
2001		3150
2002	sub cf::client::query {	3151	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3160	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3162
2014	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
2016	}	3167	}
2017		3168
2018	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
2019	on_reply => sub {	3175	on_reply => sub {
2020	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
2021		3177
2022	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
2023	# get handled first	3179	# get handled first
…		…
2035	} else {	3191	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3193	}
2038	}	3194	}
2039	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
2040	);	3222	);
2041		3223
2042	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
2043		3225
2044	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3242
2061	$coro	3243	$coro
2062	}	3244	}
2063		3245
2064	cf::client->attach (	3246	cf::client->attach (
2065	on_destroy => sub {	3247	on_client_destroy => sub {
2066	my ($ns) = @_;	3248	my ($ns) = @_;
2067		3249
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3251	},
2070	);	3252	);
…		…
2085	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2087		3269
2088	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2089		3271
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2091		3277
2092	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2093		3279
2094	=pod	3280	=pod
2095		3281
2096	The following fucntions and emthods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2097		3283
2098	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2099	cf::object::player player	3289	cf::object::player
2100	cf::player peaceful	3290	player
2101	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2102		3297
2103	=cut	3298	=cut
2104		3299
2105	for (	3300	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2110	) {	3307	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3310	for @funs;
2115	}	3311	}
2116		3312
…		…
2131		3327
2132	my $qcode = $code;	3328	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2135		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2136	local $_;	3335	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3336
2139	my $eval =	3337	my $eval =
2140	"do {\n"	3338	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3341	. $code
2144	. "\n}"	3342	. "\n}"
2145	;	3343	;
2146		3344
		3345	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2150		3354
2151	if ($@) {	3355	if ($@) {
2152	warn "$@";	3356	warn "$@",
2153	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2155	}	3359	}
2156		3360
2157	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2158	}	3362	}
2159		3363
…		…
2173	=cut	3377	=cut
2174		3378
2175	sub register_script_function {	3379	sub register_script_function {
2176	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2177		3381
2178	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2180	}	3384	}
2181		3385
2182	=back	3386	=back
2183		3387
2184	=cut	3388	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3389
2258	#############################################################################	3390	#############################################################################
2259	# the server's init and main functions	3391	# the server's init and main functions
2260		3392
		3393	sub load_facedata($) {
		3394	my ($path) = @_;
		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
		3402	trace "loading facedata from $path\n";
		3403
		3404	0 < aio_load $path, my $facedata
		3405	or die "$path: $!";
		3406
		3407	$facedata = Coro::Storable::thaw $facedata;
		3408
		3409	$facedata->{version} == 2
		3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
		3421	{
		3422	my $faces = $facedata->{faceinfo};
		3423
		3424	while (my ($face, $info) = each %$faces) {
		3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
		3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
		3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3431	cf::face::set_data $idx, 2, "-", chr $idx & 255;
		3432
		3433	cf::cede_to_tick;
		3434	}
		3435
		3436	while (my ($face, $info) = each %$faces) {
		3437	next unless $info->{smooth};
		3438
		3439	my $idx = cf::face::find $face
		3440	or next;
		3441
		3442	if (my $smooth = cf::face::find $info->{smooth}) {
		3443	cf::face::set_smooth $idx, $smooth;
		3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3445	} else {
		3446	error "smooth face '$info->{smooth}' not found for face '$face'";
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	{
		3454	my $anims = $facedata->{animinfo};
		3455
		3456	while (my ($anim, $info) = each %$anims) {
		3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3458	cf::cede_to_tick;
		3459	}
		3460
		3461	cf::anim::invalidate_all; # d'oh
		3462	}
		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
		3483	1
		3484	}
		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
2261	sub load_resources {	3494	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
		3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
		3509	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3510	or die "unable to load regions file\n";
2264	}
2265		3511
2266	sub cfg_load {	3512	for (cf::region::list) {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3513	$_->{match} = qr/$_->{match}/
2268	or return;	3514	if exists $_->{match};
		3515	}
		3516	}
2269		3517
2270	local $/;	3518	sub reload_facedata {
2271	*CFG = YAML::Syck::Load <$fh>;	3519	load_facedata "$DATADIR/facedata"
		3520	or die "unable to load facedata\n";
		3521	}
2272		3522
		3523	sub reload_archetypes {
		3524	load_resource_file "$DATADIR/archetypes"
		3525	or die "unable to load archetypes\n";
		3526	}
		3527
		3528	sub reload_treasures {
		3529	load_resource_file "$DATADIR/treasures"
		3530	or die "unable to load treasurelists\n";
		3531	}
		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
		3556	sub reload_resources {
		3557	trace "reloading resource files...\n";
		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
		3564	reload_regions;
		3565	reload_treasures;
		3566
		3567	trace "finished reloading resource files\n";
		3568	}
		3569
		3570	sub reload_config {
		3571	trace "reloading config file...\n";
		3572
		3573	0 < aio_load "$CONFDIR/config", my $config
		3574	or die "$CONFDIR/config: $!";
		3575
		3576	utf8::decode $config;
		3577	*CFG = yaml_load $config;
		3578
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3580
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2277		3583
2278	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2282	};	3588	};
2283	warn $@ if $@;	3589	warn $@ if $@;
2284	}	3590	}
2285	}	3591	}
2286		3592
2287	sub init {	3593	sub pidfile() {
2288	load_resources;	3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3619	}
2290		3620
2291	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2292	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3634	(async {
2296	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2298	};	3638	};
2299		3639
2300	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2301	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2302	load_extensions;	3663	load_extensions;
2303		3664
2304	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2305	$WRITE_RUNTIME_WATCHER->start;	3666
2306	Event::loop;	3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2307	}	3683	}
2308		3684
2309	#############################################################################	3685	#############################################################################
2310	# initialisation and cleanup	3686	# initialisation and cleanup
2311		3687
2312	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2313	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2314	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2315	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2316	reentrant => 0,
2317	data => WF_AUTOCANCEL,
2318	signal => $signal,
2319	prio => 0,
2320	cb => sub {
2321	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2322	},
2323	);	3694	};
		3695	}
		3696	}
		3697
		3698	sub write_runtime_sync {
		3699	my $t0 = AE::time;
		3700
		3701	# first touch the runtime file to show we are still running:
		3702	# the fsync below can take a very very long time.
		3703
		3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3705
		3706	my $guard = cf::lock_acquire "write_runtime";
		3707
		3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3709	or return;
		3710
		3711	my $value = $cf::RUNTIME + 90 + 10;
		3712	# 10 is the runtime save interval, for a monotonic clock
		3713	# 60 allows for the watchdog to kill the server.
		3714
		3715	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3716	and return;
		3717
		3718	# always fsync - this file is important
		3719	aio_fsync $fh
		3720	and return;
		3721
		3722	# touch it again to show we are up-to-date
		3723	aio_utime $fh, undef, undef;
		3724
		3725	close $fh
		3726	or return;
		3727
		3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3729	and return;
		3730
		3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3732
2324	}	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2325	}	3784	}
2326		3785
2327	sub emergency_save() {	3786	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2329		3788
2330	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2331		3795
2332	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2333	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2334	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2335	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2336	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2337	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2338	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2339	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2340	$pl->save;	3807	$pl->save;
2341	}	3808	}
2342	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2343		3810
2344	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2345	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2346	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2347	$map->valid or next;	3816	$map->valid or next;
2348	$map->save;	3817	$map->save;
2349	}	3818	}
2350	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
2351		3820
2352	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
2353	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
2354	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2355	};	3849	};
2356		3850
2357	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2358	}	3852	}
2359		3853
2360	sub post_cleanup {	3854	sub post_cleanup {
2361	my ($make_core) = @_;	3855	my ($make_core) = @_;
2362		3856
		3857	IO::AIO::flush;
		3858
2363	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3860	if $make_core;
2365	}
2366		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
		3889	}
		3890
2367	sub reload() {	3891	sub do_reload_perl() {
2368	# can/must only be called in main	3892	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2370	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
2371	return;	3895	return;
2372	}	3896	}
2373		3897
2374	warn "reloading...";	3898	return if $RELOAD++;
2375		3899
2376	warn "entering sync_job";	3900	my $t1 = AE::time;
2377		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
2378	cf::sync_job {	3908	cf::sync_job {
2379	cf::write_runtime;
2380	cf::emergency_save;	3909	#cf::emergency_save;
2381	cf::write_runtime;
2382		3910
2383	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;
2385
2386	# if anything goes wrong in here, we should simply crash as we already saved
2387
2388	warn "cancelling all WF_AUTOCANCEL watchers";
2389	for (Event::all_watchers) {
2390	$_->cancel if $_->data & WF_AUTOCANCEL;
2391	}
2392
2393	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";
2400	}
2401
2402	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3913	%EXT_CORO = ();
2405		3914
2406	warn "removing commands";	3915	trace "perl_reload: removing commands";
2407	%COMMAND = ();	3916	%COMMAND = ();
2408		3917
2409	warn "removing ext commands";	3918	trace "perl_reload: removing ext/exti commands";
2410	%EXTCMD = ();	3919	%EXTCMD = ();
		3920	%EXTICMD = ();
2411		3921
2412	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
2415		3925
2416	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
2417	eval {	3927	eval {
2418	$cb->($pkg);	3928	$cb->($pkg);
2419	1	3929	1
2420	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2421	}	3935	}
2422		3936
2423	warn "... nuking $pkg";
2424	Symbol::delete_package $pkg;
2425	}
2426
2427	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2428	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3940
2431	warn "... unloading $k";	3941	trace "... unloading $k";
2432	delete $INC{$k};	3942	delete $INC{$k};
2433		3943
2434	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
2436		3946
2437	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
2438	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
2439	}	3952	}
2440		3953
2441	Symbol::delete_package $k;
2442	}
2443
2444	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3957
2448	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
		3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450		3961
2451	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3963	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
2454		3965
2455	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
2456		3967
2457	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
2458	require cf;	3969	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
2460		3971
2461	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
2462	cf::cfg_load;	3973	cf::reload_config;
2463		3974
2464	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
2465	cf::load_extensions;	3976	cf::load_extensions;
2466		3977
		3978	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
2468	_global_reattach;	3980	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
		3983	trace "perl_reload: reattaching attachments to players";
		3984	reattach $_ for values %PLAYER;
		3985	}
2471		3986
2472	warn "loading reloadable resources";	3987	cf::_post_init 1;
2473	load_resources;
2474		3988
2475	warn "leaving sync_job";	3989	trace "perl_reload: leaving sync_job";
2476		3990
2477	1	3991	1
2478	} or do {	3992	} or do {
2479	warn $@;	3993	error $@;
2480	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
2481	exit 1;	3995	};
		3996
		3997	--$RELOAD;
		3998	}
		3999
		4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
		4002	};
		4003
		4004	our $RELOAD_WATCHER; # used only during reload
		4005
		4006	sub reload_perl() {
		4007	# doing reload synchronously and two reloads happen back-to-back,
		4008	# coro crashes during coro_state_free->destroy here.
		4009
		4010	$RELOAD_WATCHER ||= cf::async {
		4011	Coro::AIO::aio_wait cache_extensions;
		4012
		4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4014	do_reload_perl;
		4015	undef $RELOAD_WATCHER;
		4016	};
2482	};	4017	};
2483		4018	}
2484	warn "reloaded";
2485	};
2486
2487	our $RELOAD_WATCHER; # used only during reload
2488		4019
2489	register_command "reload" => sub {	4020	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
2491		4022
2492	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
2494		4025	async {
2495	# doing reload synchronously and two reloads happen back-to-back,	4026	$Coro::current->{desc} = "perl_reload";
2496	# coro crashes during coro_state_free->destroy here.
2497
2498	$RELOAD_WATCHER ||= Event->timer (
2499	reentrant => 0,
2500	after => 0,
2501	data => WF_AUTOCANCEL,
2502	cb => sub {
2503	reload;	4027	reload_perl;
2504	undef $RELOAD_WATCHER;
2505	},
2506	);	4028	};
2507	}	4029	}
2508	};	4030	};
2509		4031
2510	unshift @INC, $LIBDIR;	4032	#############################################################################
2511		4033
2512	my $bug_warning = 0;	4034	my $bug_warning = 0;
2513		4035
2514	$TICK_WATCHER = Event->timer (	4036	our @WAIT_FOR_TICK;
2515	reentrant => 0,	4037	our @WAIT_FOR_TICK_BEGIN;
2516	parked => 1,	4038
2517	prio => 0,	4039	sub wait_for_tick() {
2518	at => $NEXT_TICK || $TICK,	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2519	data => WF_AUTOCANCEL,	4041
2520	cb => sub {	4042	my $signal = new Coro::Signal;
		4043	push @WAIT_FOR_TICK, $signal;
		4044	$signal->wait;
		4045	}
		4046
		4047	sub wait_for_tick_begin() {
		4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4049
		4050	my $signal = new Coro::Signal;
		4051	push @WAIT_FOR_TICK_BEGIN, $signal;
		4052	$signal->wait;
		4053	}
		4054
		4055	sub tick {
2521	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2523	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
2524	return;	4059	return;
2525	}	4060	}
2526		4061
2527	$NOW = Event::time;
2528
2529	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
2530	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;
2532		4063
2533	$WAIT_FOR_TICK->broadcast;	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2535		4065
2536	# my $AFTER = Event::time;	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2537	# warn $AFTER - $NOW;#d#	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2538		4068	Coro::async_pool {
2539	# if we are delayed by four ticks or more, skip them all	4069	$Coro::current->{desc} = "runtime saver";
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4070	write_runtime_sync
2541		4071	or error "ERROR: unable to write runtime file: $!";
2542	$TICK_WATCHER->at ($NEXT_TICK);	4072	};
2543	$TICK_WATCHER->start;
2544	},	4073	}
2545	);	4074
		4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4076	$sig->send;
		4077	}
		4078	while (my $sig = shift @WAIT_FOR_TICK) {
		4079	$sig->send;
		4080	}
		4081
		4082	$LOAD = ($NOW - $TICK_START) / $TICK;
		4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4084
		4085	if (0) {
		4086	if ($NEXT_TICK) {
		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
		4091	}
		4092	}
2546		4093
2547	{	4094	{
2548	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
2549	$BDB_POLL_WATCHER = Event->io (	4096
2550	reentrant => 0,
2551	fd => BDB::poll_fileno,
2552	poll => 'r',
2553	prio => 0,
2554	data => WF_AUTOCANCEL,
2555	cb => \&BDB::poll_cb,
2556	);
2557	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
2558		4098	BDB::max_poll_reqs $TICK * 0.1;
2559	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
2560	my $status;
2561	my $current = $Coro::current;
2562	(
2563	sub {
2564	$status = $!;
2565	$current->ready; undef $current;
2566	},
2567	sub {
2568	Coro::schedule while defined $current;
2569	$! = $status;
2570	},
2571	)
2572	};
2573		4100
2574	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
2575	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2576		4108
2577	cf::sync_job {	4109	cf::sync_job {
2578	eval {	4110	eval {
2579	BDB::db_env_open	4111	BDB::db_env_open
2580	$DB_ENV,	4112	$DB_ENV,
2581	$BDB_ENV_DIR,	4113	$BDBDIR,
2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	4116	0666;
2585		4117
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587
2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2589	$DB_ENV->set_lk_detect;
2590	};	4119	};
2591		4120
2592	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
2593	};	4122	};
2594	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
2595	}	4134	}
2596		4135
2597	{	4136	{
		4137	# configure IO::AIO
		4138
2598	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
2599
2600	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
2603	reentrant => 0,
2604	fd => IO::AIO::poll_fileno,
2605	poll => 'r',
2606	prio => 6,
2607	data => WF_AUTOCANCEL,
2608	cb => \&IO::AIO::poll_cb,
2609	);
2610	}	4142	}
2611		4143
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	4144	our $_log_backtrace;
2613	reentrant => 0,	4145	our $_log_backtrace_last;
2614	data => WF_AUTOCANCEL,
2615	parked => 1,
2616	after => 1,
2617	interval => 10,
2618	prio => 6, # keep it lowest so it acts like a watchdog
2619	cb => sub {
2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621		4146
2622	Coro::async_pool {	4147	sub _log_backtrace {
2623	write_runtime	4148	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	4149
		4150	$msg =~ s/\n$//;
		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4155	# limit the # of concurrent backtraces
		4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
		4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
		4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
		4163	my @bt = fork_call {
		4164	@addr = map { sprintf "%x", $_ } @addr;
		4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4167	or die "addr2line: $!";
		4168
		4169	my @funcs;
		4170	my @res = <$fh>;
		4171	chomp for @res;
		4172	while (@res) {
		4173	my ($func, $line) = splice @res, 0, 2, ();
		4174	push @funcs, "[$func] $line";
		4175	}
		4176
		4177	@funcs
		4178	};
		4179
		4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4182	LOG llevInfo, "[ABT] $_\n" for @bt;
		4183	--$_log_backtrace;
2625	};	4184	};
		4185	} else {
		4186	LOG llevInfo, "[ABT] $msg\n";
		4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2626	},	4188	}
2627	);	4189	}
		4190
		4191	# load additional modules
		4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
2628		4194
2629	END { cf::emergency_save }	4195	END { cf::emergency_save }
2630		4196
2631	1	4197	1
2632		4198

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