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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 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 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	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";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	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
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		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::"} };
87		187
88	#############################################################################	188	#############################################################################
89		189
90	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
91		191
…		…
98	=item $cf::RUNTIME	198	=item $cf::RUNTIME
99		199
100	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
101	every server tick.	201	every server tick.
102		202
103	=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
104		206
105	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		211
108	=item $cf::NOW	212	=item $cf::NOW
109		213
110	The time of the last (current) server tick.	214	The time of the last (current) server tick.
111		215
112	=item $cf::TICK	216	=item $cf::TICK
113		217
114	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	230	=item %cf::CFG
117		231
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	233	from wherever your confdir points to.
120		234
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		236
123	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
124	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
125	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.
126	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.
127		257
128	=back	258	=back
129		259
130	=cut	260	=cut
131		261
132	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
133	*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 {
134	my $msg = join "", @_;	269	my $msg = join "", @_;
135	utf8::encode $msg;
136		270
137	$msg .= "\n"	271	$msg .= "\n"
138	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
139		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
140	LOG llevError, $msg;	276	LOG llevWarn, $msg;
141	};	277	};
142	}	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	};
143		292
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		300
151	# 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
152	# within the Safe compartment.	302	# within the Safe compartment.
153	for my $pkg (qw(	303	for my $pkg (qw(
154	cf::global cf::attachable	304	cf::global cf::attachable
155	cf::object cf::object::player	305	cf::object cf::object::player
156	cf::client cf::player	306	cf::client cf::player
157	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
158	cf::map cf::party cf::region	309	cf::party cf::region
159	)) {	310	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	312	}
163		313
164	$Event::DIED = sub {	314	$EV::DIED = sub {
165	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
166	};	316	};
		317
		318	#############################################################################
167		319
168	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
169		321
170	=over 4	322	=over 4
171		323
…		…
190	$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;
191	$d	343	$d
192	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
193	}	345	}
194		346
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
198		348
199	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
200		350
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
209		352
210	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
211		354
212	=cut	355	=cut
213		356
214	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
216	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	}
217	}	403	}
218		404
219	=item cf::lock_wait $string	405	=item cf::lock_wait $string
220		406
221	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
222		408
223	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
224		410
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
228	returned.	414	returned.
229		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
230	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
231	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
232		421
233	=cut	422	=item $locked = cf::lock_active $string
234		423
235	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
236		429
237	sub lock_wait($) {	430	sub lock_wait($) {
238	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	432	}
246		433
247	sub lock_acquire($) {	434	sub lock_acquire($) {
248	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
249		437
250	# wait, to be sure we are not locked	438	sub lock_active($) {
251	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	440	}
260		441
261	sub freeze_mainloop {	442	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
263		444
264	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	446	}
266	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
267	};	512	}
268	$WRITE_RUNTIME_WATCHER->stop;	513	};
269	$TICK_WATCHER->stop;	514
270	$guard	515	sub get_slot($;$$) {
		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	$sig->wait;
271	}	528	}
272		529
273	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
274		531
275	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		537
281	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
282		539
283	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
284		541
285	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
288		546
289	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
292	fast or be very important.	550	fast or be very important.
…		…
294	=cut	552	=cut
295		553
296	sub sync_job(&) {	554	sub sync_job(&) {
297	my ($job) = @_;	555	my ($job) = @_;
298		556
299	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
300	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
302		562
303	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	564
305	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
306		566
307	my $busy = 1;	567	my $busy = 1;
308	my @res;	568	my @res;
309		569
310	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	572	@res = eval { $job->() };
312	warn $@ if $@;	573	error $@ if $@;
313	undef $busy;	574	undef $busy;
314	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
315		576
316	while ($busy) {	577	while ($busy) {
317	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
318	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
319		588
320	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
321	} else {	590	} else {
322	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
323		592
…		…
343	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
344		613
345	$coro	614	$coro
346	}	615	}
347		616
348	sub write_runtime {	617	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		618
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
352	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.
353		623
354	my $value = $cf::RUNTIME + 90 + 10;	624	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		625
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	626	sub post_fork {
359	and return;	627	reset_signals;
		628	}
360		629
361	aio_fsync $fh	630	sub fork_call(&@) {
362	and return;	631	my ($cb, @args) = @_;
363		632
364	close $fh	633	# we seemingly have to make a local copy of the whole thing,
365	or return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
366		636
367	aio_rename "$runtime~", $runtime	637	my @res = Coro::Util::fork_eval {
368	and return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
369		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
370	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 });
371	}	821	}
372		822
373	=back	823	=back
374		824
375	=cut	825	=cut
376		826
377	#############################################################################	827	#############################################################################
378		828
379	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
380		830
381	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
382	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")
383	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
384		834
385	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>
386	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
387	crossfire+).	837	Deliantra).
388		838
389	=over 4	839	=over 4
390		840
391	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
392		842
…		…
436	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
437		887
438	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
440		890
441	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
442	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.
443		893
444	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
445		895
446	=over 4	896	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
556		1006
557	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		1011
562	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
564		1014
565	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
570		1020
571	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		1023
574	} elsif (ref $type) {	1024	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
576		1026
577	} else {	1027	} else {
578	shift @arg;	1028	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
580	}	1030	}
581	}	1031	}
582	}	1032	}
583		1033
584	sub _object_attach {	1034	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
595	}	1045	}
596		1046
597	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
598	} else {	1048	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1050	}
601		1051
602	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
603	}	1053	}
604		1054
…		…
606	if (ref $_[0]) {	1056	if (ref $_[0]) {
607	_object_attach @_;	1057	_object_attach @_;
608	} else {	1058	} else {
609	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
610	}	1060	}
		1061	_recalc_want;
611	};	1062	};
612		1063
613	# all those should be optimised	1064	# all those should be optimised
614	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1070	reattach ($obj);
620	} else {	1071	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
622	}	1073	}
		1074	_recalc_want;
623	};	1075	};
624		1076
625	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
627		1079
…		…
642	";	1094	";
643	die if $@;	1095	die if $@;
644	}	1096	}
645		1097
646	our $override;	1098	our $override;
647	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?
648		1100
649	sub override {	1101	sub override {
650	$override = 1;	1102	$override = 1;
651	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
652	}	1104	}
653		1105
654	sub do_invoke {	1106	sub do_invoke {
655	my $event = shift;	1107	my $event = shift;
656	my $callbacks = shift;	1108	my $callbacks = shift;
657		1109
658	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
659		1111
660	local $override;	1112	local $override;
661		1113
662	for (@$callbacks) {	1114	for (@$callbacks) {
663	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
664		1116
665	if ($@) {	1117	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1119	override;
669	}	1120	}
670		1121
671	return 1 if $override;	1122	return 1 if $override;
672	}	1123	}
673		1124
674	0	1125	0
675	}	1126	}
676		1127
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1129
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1131
681	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
682		1133
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1137
687	=back	1138	=back
688		1139
689	=cut	1140	=cut
690		1141
691	#############################################################################	1142	#############################################################################
692	# 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, $ob2
		1185	}
693		1186
694	sub reattach {	1187	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1189	my ($obj) = @_;
697		1190
		1191	# no longer needed after getting rid of delete_package?
698	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
699		1193
700	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
701		1195
702	@$registry = ();	1196	@$registry = ();
703		1197
…		…
708	for (@$attach) {	1202	for (@$attach) {
709	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
711	}	1205	}
712	} else {	1206	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1208	}
715	}	1209	}
716	}	1210	}
717		1211
718	cf::attachable->attach (	1212	cf::attachable->attach (
719	prio => -1000000,	1213	prio => -1000000,
720	on_instantiate => sub {	1214	on_instantiate => sub {
721	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
722		1216
723	$data = from_json $data;	1217	$data = decode_json $data;
724		1218
725	for (@$data) {	1219	for (@$data) {
726	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
727		1221
728	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1238	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
746		1240
747	sync_job {	1241	sync_job {
748	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
751		1247
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
755	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
756	close $fh;	1255	aio_close $fh;
757		1256
758	if (@$objs) {	1257	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
		1262	if ($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;
763	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
764	close $fh;	1266	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
766	}	1268	}
767	} else {	1269	} else {
768	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
769	}	1271	}
770		1272
771	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1277	} else {
773	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
774	}	1279	}
775	} else {	1280	} else {
776	aio_unlink $filename;	1281	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
778	}	1283	}
779	}	1284	};
780	}	1285	}
781		1286
782	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
784		1289
…		…
796	or return;	1301	or return;
797		1302
798	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
800	or return;	1305	or return;
		1306
801	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
802	}	1309	}
803		1310
		1311	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
806	return ($data, $av);	1316	($data, $av)
807	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
808		1324
809	#############################################################################	1325	#############################################################################
810	# command handling &c	1326	# command handling &c
811		1327
812	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1342	}
827		1343
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1345
830	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.
831		1351
832	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
833	called.	1353	called.
834		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
835	=cut	1366	=cut
836		1367
837	sub register_extcmd {	1368	sub register_extcmd {
838	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
839		1370
840	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
841	}	1372	}
842		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
843	cf::player->attach (	1382	cf::player->attach (
844	on_command => sub {	1383	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
846		1385
847	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
848	or return;	1387	or return;
849		1388
…		…
854	cf::override;	1393	cf::override;
855	},	1394	},
856	on_extcmd => sub {	1395	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
858		1397
859	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1399
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
867	} else {	1415	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1417	}
870		1418
871	cf::override;	1419	cf::override;
872	},	1420	},
873	);	1421	);
874		1422
		1423	# "readahead" all extensions
875	sub load_extension {	1424	sub cache_extensions {
876	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
877		1426
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1430	}
903	die $@;
904	}	1431	};
905		1432
906	push @EXTS, $pkg;	1433	$grp
907	}	1434	}
908		1435
909	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
910	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1443	next unless -r $path;
912	eval {	1444
913	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 $active;
		1507	}
914	1	1508	}
915	} or warn "$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	}
916	}	1519	};
917	}	1520	}
918		1521
919	#############################################################################	1522	#############################################################################
920		1523
		1524	=back
		1525
921	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
922		1527
923	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
924		1529
925	=cut	1530	=cut
926		1531
927	package cf::player;	1532	package cf::player;
928		1533
…		…
930		1535
931	=head3 cf::player	1536	=head3 cf::player
932		1537
933	=over 4	1538	=over 4
934		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
935	=item cf::player::find $login	1554	=item cf::player::find $login
936		1555
937	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
938		1557
939	=cut	1558	=cut
940		1559
941	sub playerdir($) {	1560	sub playerdir($) {
942	cf::localdir	1561	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1563	}
948		1564
949	sub path($) {	1565	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1567
952	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
953	}	1569	}
954		1570
955	sub find_active($) {	1571	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
960		1576
961	sub exists($) {	1577	sub exists($) {
962	my ($login) = @_;	1578	my ($login) = @_;
963		1579
964	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
966	}	1582	}
967		1583
968	sub find($) {	1584	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1586	my $login = $_[0];
971		1587
972	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
973		1589
974	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
975	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
976	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;
977	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
978	}	1607	}
979	}	1608	}
980	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
981		1623
982	sub save($) {	1624	sub save($) {
983	my ($pl) = @_;	1625	my ($pl) = @_;
984		1626
985	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
991		1633
992	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
994		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
995	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
996	Coro::cede;	1643	cf::cede_to_tick;
997	}	1644	}
998		1645
999	sub new($) {	1646	sub new($) {
1000	my ($login) = @_;	1647	my ($login) = @_;
1001		1648
…		…
1007	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1008		1655
1009	$self	1656	$self
1010	}	1657	}
1011		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
1012	=item $pl->quit_character	1669	=item $pl->quit_character
1013		1670
1014	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1016		1673
1017	=cut	1674	=cut
1018		1675
1019	sub quit_character {	1676	sub quit_character {
1020	my ($pl) = @_;	1677	my ($pl) = @_;
1021		1678
		1679	my $name = $pl->ob->name;
		1680
1022	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1023	$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
1024		1683
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1026	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1028	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1029		1692
1030	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1719	}
1037		1720
1038	=item cf::player::list_logins	1721	=item cf::player::list_logins
1039		1722
1040	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
1041	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1042		1725
1043	=cut	1726	=cut
1044		1727
1045	sub list_logins {	1728	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1730	or return [];
1048		1731
1049	my @logins;	1732	my @logins;
1050		1733
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1055		1744
1056	utf8::decode $login;	1745	utf8::decode $login;
1057	push @logins, $login;	1746	push @logins, $login;
1058	}	1747	}
1059		1748
1060	\@logins	1749	\@logins
1061	}	1750	}
1062		1751
1063	=item $player->maps	1752	=item $player->maps
1064		1753
		1754	=item cf::player::maps $login
		1755
1065	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1066	player. May block.	1757	player. May block.
1067		1758
1068	=cut	1759	=cut
1069		1760
1070	sub maps($) {	1761	sub maps($) {
1071	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1765
1073	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1074	or return;	1767	or return;
1075		1768
1076	my @paths;	1769	my @paths;
…		…
1078	for (@$files) {	1771	for (@$files) {
1079	utf8::decode $_;	1772	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1774	next unless /^$PATH_SEP/o;
1082		1775
1083	s/\.map$//;	1776	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1777	}
1086		1778
1087	\@paths	1779	\@paths
1088	}	1780	}
1089		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1091		1787
1092	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1093		1789
1094	=cut	1790	=cut
1095		1791
1096	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1098		1794
1099	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1796	}
1103		1797
1104	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	}
1105		1840
1106	=back	1841	=back
1107
1108		1842
1109	=head3 cf::map	1843	=head3 cf::map
1110		1844
1111	=over 4	1845	=over 4
1112		1846
…		…
1124	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1126		1860
1127	sub generate_random_map {	1861	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1129	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1867	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1869	(cf::region::find $rmp->{region})
1142	)	1870	)
1143	}	1871	}
1144		1872
1145	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1146		1874
…		…
1152		1880
1153	sub register {	1881	sub register {
1154	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1155	my $pkg = caller;	1883	my $pkg = caller;
1156		1884
1157	no strict;
1158	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1159		1886
1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161	}	1888	}
1162		1889
1163	# also paths starting with '/'	1890	# also paths starting with '/'
1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1165		1892
1166	sub thawer_merge {	1893	sub thawer_merge {
1167	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1168		1895
1169	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
1170	local $self->{path};	1897	local $self->{path};
1171	local $self->{load_path};	1898	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1899
1175	$self->SUPER::thawer_merge ($merge);	1900	$self->SUPER::thawer_merge ($merge);
1176	}	1901	}
1177		1902
1178	sub normalise {	1903	sub normalise {
1179	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1180		1905
1181	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
		1907
		1908	$path =~ s/\.map$//;
1182		1909
1183	# map plan:	1910	# map plan:
1184	#	1911	#
1185	# /! non-realised random map exit (special hack!)	1912	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1913	# {... are special paths that are not being touched
…		…
1199	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1200	$path = "$base/$path";	1927	$path = "$base/$path";
1201	}	1928	}
1202		1929
1203	for ($path) {	1930	for ($path) {
1204	redo if s{//}{/};
1205	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1206	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1207	}	1933	}
1208		1934
1209	$path	1935	$path
…		…
1223	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1224	return $self;	1950	return $self;
1225	}	1951	}
1226	}	1952	}
1227		1953
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1229	()	1955	()
1230	}	1956	}
1231		1957
1232	sub init {	1958	sub init {
1233	my ($self) = @_;	1959	my ($self) = @_;
…		…
1248		1974
1249	# the original (read-only) location	1975	# the original (read-only) location
1250	sub load_path {	1976	sub load_path {
1251	my ($self) = @_;	1977	my ($self) = @_;
1252		1978
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1979	"$MAPDIR/$self->{path}.map"
1254	}	1980	}
1255		1981
1256	# the temporary/swap location	1982	# the temporary/swap location
1257	sub save_path {	1983	sub save_path {
1258	my ($self) = @_;	1984	my ($self) = @_;
1259		1985
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1987	"$TMPDIR/$path.map"
1262	}	1988	}
1263		1989
1264	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1265	sub uniq_path {	1991	sub uniq_path {
1266	my ($self) = @_;	1992	my ($self) = @_;
1267		1993
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1995	"$UNIQUEDIR/$path"
1270	}	1996	}
1271		1997
1272	# and all this just because we cannot iterate over	1998	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	1999	my ($self) = @_;
1276		2000
1277	$_->change_map_light ($change)	2001	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	2002
		2003	$self->do_decay_objects;
1279	}	2004	}
1280		2005
1281	sub unlink_save {	2006	sub unlink_save {
1282	my ($self) = @_;	2007	my ($self) = @_;
1283		2008
…		…
1288		2013
1289	sub load_header_from($) {	2014	sub load_header_from($) {
1290	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1291		2016
1292	utf8::encode $path;	2017	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1294	or return;	2019	or return;
1295		2020
1296	$self->_load_header ($path)	2021	$self->_load_header ($f)
1297	or return;	2022	or return;
		2023
		2024	local $MAP_LOADING{$self->{path}} = $self;
		2025	$f->resolve_delayed_derefs;
1298		2026
1299	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1300		2028
1301	1	2029	1
1302	}	2030	}
…		…
1341	$self->load_header_orig	2069	$self->load_header_orig
1342	or return;	2070	or return;
1343	$self->prepare_orig;	2071	$self->prepare_orig;
1344	}	2072	}
1345		2073
		2074	$self->{deny_reset} = 1
		2075	if $self->no_reset;
		2076
		2077	$self->default_region (cf::region::find_by_path $self->{path})
		2078	unless $self->default_region;
		2079
1346	1	2080	1
1347	}	2081	}
1348		2082
1349	sub find;	2083	sub find;
1350	sub find {	2084	sub find {
1351	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1352		2086
		2087	cf::cede_to_tick;
		2088
1353	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1354		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1356		2093
1357	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1360	or return;	2096	or return;
1361		2097
1362	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1363		2099
1364	$map->load_header	2100	$map->load_header
1365	or return;	2101	or return;
1366		2102
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2104	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1370	$map->reset;	2108	$map->reset;
1371	undef $guard;
1372	return find $path;	2109	return find $path;
1373	}	2110	}
1374		2111
1375	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1376	}	2113	}
1377	}	2114	}
1378		2115
1379	sub pre_load { }	2116	sub pre_load { }
1380	sub post_load { }	2117	#sub post_load { } # XS
1381		2118
1382	sub load {	2119	sub load {
1383	my ($self) = @_;	2120	my ($self) = @_;
1384		2121
1385	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
1386		2123
1387	my $path = $self->{path};	2124	my $path = $self->{path};
		2125
		2126	{
1388	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1389		2128
		2129	return unless $self->valid;
1390	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1391		2131
1392	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1393		2133
1394	$self->alloc;	2134	$self->alloc;
1395		2135
1396	$self->pre_load;	2136	$self->pre_load;
		2137	cf::cede_to_tick;
1397		2138
1398	$self->_load_objects ($self->{load_path}, 1)	2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
		2141	$self->_load_objects ($f)
1399	or return;	2142	or return;
1400		2143
1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1402	if delete $self->{load_original};	2145	if delete $self->{load_original};
1403		2146
1404	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1405	utf8::encode $uniq;	2148	utf8::encode $uniq;
1406	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1407	$self->clear_unique_items;	2151	$self->clear_unique_items;
1408	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1409	}	2155	}
1410	}	2156	}
1411		2157
1412	Coro::cede;	2158	$f->resolve_delayed_derefs;
1413		2159
		2160	cf::cede_to_tick;
1414	# now do the right thing for maps	2161	# now do the right thing for maps
1415	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1416
1417	unless ($self->{deny_activate}) {
1418	$self->decay_objects;
1419	$self->fix_auto_apply;
1420	$self->update_buttons;
1421	Coro::cede;
1422	$self->set_darkness_map;
1423	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1424	unless $self->difficulty;	2164	unless $self->difficulty;
1425	Coro::cede;	2165	cf::cede_to_tick;
		2166
		2167	unless ($self->{deny_activate}) {
		2168	$self->decay_objects;
		2169	$self->fix_auto_apply;
		2170	$self->update_buttons;
		2171	cf::cede_to_tick;
1426	$self->activate;	2172	$self->activate;
		2173	}
		2174
		2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
		2177
		2178	$self->in_memory (cf::MAP_ACTIVE);
1427	}	2179	}
1428		2180
1429	$self->post_load;	2181	$self->post_load;
1430		2182
1431	$self->in_memory (cf::MAP_IN_MEMORY);	2183	1
1432	}	2184	}
1433		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1434	sub customise_for {	2189	sub customise_for {
1435	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1436		2191
1437	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1438	if $self->per_player;	2193	if $self->per_player;
1439		2194
		2195	# return find "?party/" . $ob->name . "/" . $self->{path}
		2196	# if $self->per_party;
		2197
1440	$self	2198	$self
1441	}	2199	}
1442		2200
1443	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1444	sub load_diag {	2202	sub load_neighbours {
1445	my ($map) = @_;	2203	my ($map) = @_;
1446		2204
1447	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1448		2206
1449	for (0 .. 3) {	2207	for (0 .. 3) {
1450	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1451	or next;	2209	or next;
1452	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1453	or next;	2211	or next;
1454	$neigh->load;	2212	$neigh->load;
1455		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1458	}	2218	}
1459		2219
1460	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1461	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1462	or next;	2223	or next;
1463	$neigh->load;	2224	$neigh->load;
1464	}	2225	}
1465	}	2226	}
1466		2227
1467	sub find_sync {	2228	sub find_sync {
1468	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1469		2230
1470	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1471	}	2235	}
1472		2236
1473	sub do_load_sync {	2237	sub do_load_sync {
1474	my ($map) = @_;	2238	my ($map) = @_;
1475		2239
1476	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1477	}	2244	}
1478		2245
1479	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1480	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
1481		2248
1482	sub find_async {	2249	sub find_async {
1483	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1484		2251
1485	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
1486		2253
1487	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1489	}	2256	}
1490		2257
1491	undef $MAP_PREFETCH{$path};	2258	$MAP_PREFETCH{$path} |= $load;
		2259
1492	$MAP_PREFETCHER ||= cf::async {	2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
1493	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
1494	for my $path (keys %MAP_PREFETCH) {	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
1495	my $map = find $path	2265	if (my $map = find $k) {
1496	or next;
1497	$map->load;	2266	$map->load if $v;
		2267	}
1498		2268
1499	delete $MAP_PREFETCH{$path};	2269	delete $MAP_PREFETCH{$k};
1500	}	2270	}
1501	}	2271	}
1502	undef $MAP_PREFETCHER;	2272	undef $MAP_PREFETCHER;
1503	};	2273	};
1504	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
1505		2275
1506	()	2276	()
1507	}	2277	}
1508		2278
		2279	# common code, used by both ->save and ->swapout
1509	sub save {	2280	sub _save {
1510	my ($self) = @_;	2281	my ($self) = @_;
1511
1512	my $lock = cf::lock_acquire "map_data:" . $self->path;
1513		2282
1514	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1515		2284
1516	return unless $self->dirty;	2285	return unless $self->dirty;
1517		2286
…		…
1523	return if $self->{deny_save};	2292	return if $self->{deny_save};
1524		2293
1525	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
1526		2295
1527	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
1528	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
1529	};	2299	};
		2300
		2301	cf::get_slot 0.02;
1530		2302
1531	if ($uniq) {	2303	if ($uniq) {
1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1533	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1534	} else {	2306	} else {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1536	}	2308	}
1537	}	2309	}
1538		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
1539	sub swap_out {	2319	sub swap_out {
1540	my ($self) = @_;	2320	my ($self) = @_;
1541		2321
1542	# save first because save cedes
1543	$self->save;
1544
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1547	return if $self->players;	2326	return if $self->players;
1548	return if $self->in_memory != cf::MAP_IN_MEMORY;
1549	return if $self->{deny_save};
1550		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
1551	$self->clear;	2337	$self->clear;
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	}	2338	}
1554		2339
1555	sub reset_at {	2340	sub reset_at {
1556	my ($self) = @_;	2341	my ($self) = @_;
1557		2342
1558	# TODO: safety, remove and allow resettable per-player maps	2343	# TODO: safety, remove and allow resettable per-player maps
1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1560	return 1e99 if $self->{deny_reset};	2344	return 1e99 if $self->{deny_reset};
1561		2345
1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2346	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2347	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564		2348
…		…
1575	my ($self) = @_;	2359	my ($self) = @_;
1576		2360
1577	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2362
1579	return if $self->players;	2363	return if $self->players;
1580	return if $self->isa ("ext::map_per_player");#d#
1581		2364
1582	warn "resetting map ", $self->path;#d#	2365	cf::trace "resetting map ", $self->path, "\n";
		2366
		2367	$self->in_memory (cf::MAP_SWAPPED);
		2368
		2369	# need to save uniques path
		2370	unless ($self->{deny_save}) {
		2371	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2372
		2373	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2374	if $uniq;
		2375	}
1583		2376
1584	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
1585		2378
1586	$self->in_memory (cf::MAP_SWAPPED);	2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
1587	$self->clear;	2381	$self->clear;
1588
1589	$_->clear_links_to ($self) for values %cf::MAP;
1590		2382
1591	$self->unlink_save;	2383	$self->unlink_save;
1592	$self->destroy;	2384	$self->destroy;
1593	}	2385	}
1594		2386
1595	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
1596		2388
1597	sub nuke {	2389	sub nuke {
1598	my ($self) = @_;	2390	my ($self) = @_;
1599		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
1600	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
1601		2396
1602	$self->unlink_save;	2397	$self->unlink_save;
1603		2398
1604	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
1605	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
1606	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
1607	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1609		2404
1610	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
1611		2407
1612	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
		2409	}
		2410
		2411	=item $maps = cf::map::tmp_maps
		2412
		2413	Returns an arrayref with all map paths of currently instantiated and saved
		2414	maps. May block.
		2415
		2416	=cut
		2417
		2418	sub tmp_maps() {
		2419	[
		2420	map {
		2421	utf8::decode $_;
		2422	/\.map$/
		2423	? normalise $_
		2424	: ()
		2425	} @{ aio_readdir $TMPDIR or [] }
		2426	]
		2427	}
		2428
		2429	=item $maps = cf::map::random_maps
		2430
		2431	Returns an arrayref with all map paths of currently instantiated and saved
		2432	random maps. May block.
		2433
		2434	=cut
		2435
		2436	sub random_maps() {
		2437	[
		2438	map {
		2439	utf8::decode $_;
		2440	/\.map$/
		2441	? normalise "?random/$_"
		2442	: ()
		2443	} @{ aio_readdir $RANDOMDIR or [] }
		2444	]
1613	}	2445	}
1614		2446
1615	=item cf::map::unique_maps	2447	=item cf::map::unique_maps
1616		2448
1617	Returns an arrayref of paths of all shared maps that have	2449	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2450	instantiated unique items. May block.
1619		2451
1620	=cut	2452	=cut
1621		2453
1622	sub unique_maps() {	2454	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2455	[
1624	or return;	2456	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2457	utf8::decode $_;
1630	next if /\.pst$/;	2458	s/\.map$//; # TODO future compatibility hack
1631	next unless /^$PATH_SEP/o;	2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2460	? ()
		2461	: normalise $_
		2462	} @{ aio_readdir $UNIQUEDIR or [] }
		2463	]
		2464	}
1632		2465
		2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
1633	s/\.map$//;	2487	s/\.map$// or next;
1634	push @paths, $_;	2488	utf8::decode $_;
1635	}	2489	push @maps, "$dir/$_";
		2490	}
1636		2491
1637	\@paths	2492	push @dirs, map "$dir/$_", @$dirs;
1638	}	2493	}
1639		2494
1640	package cf;	2495	\@maps
		2496	}
1641		2497
1642	=back	2498	=back
1643		2499
1644	=head3 cf::object	2500	=head3 cf::object
1645		2501
…		…
1649		2505
1650	=over 4	2506	=over 4
1651		2507
1652	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
1653		2509
1654	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
1655		2512
1656	=cut	2513	=cut
1657		2514
1658	sub inv_recursive_;	2515	sub inv_recursive_;
1659	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
1662		2519
1663	sub inv_recursive {	2520	sub inv_recursive {
1664	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
1665	}	2522	}
1666		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
1667	package cf;	2552	package cf;
1668		2553
1669	=back	2554	=back
1670		2555
1671	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
1677	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1678	can be C<undef>. Does the right thing when the player is currently in a	2563	can be C<undef>. Does the right thing when the player is currently in a
1679	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
1680		2565
1681	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
1682		2581
1683	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
1684	# with dialog boxes.	2583	# with dialog boxes.
1685	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
1686	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
1688		2587
1689	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2588	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1690		2589
1691	if ($self->{record_replies}) {	2590	if ($self->{record_replies}) {
1692	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2591	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2592
1693	} else {	2593	} else {
		2594	my $pl = $self->contr;
		2595
		2596	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2597	my $dialog = $pl->{npc_dialog};
		2598	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2599
		2600	} else {
1694	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
1695	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2603	}
1696	}	2604	}
		2605	}
		2606
		2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2608
		2609	=cut
		2610
		2611	sub cf::object::send_msg {
		2612	my $pl = shift->contr
		2613	or return;
		2614	$pl->send_msg (@_);
1697	}	2615	}
1698		2616
1699	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
1700		2618
1701	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
1714		2632
1715	=item $player_object->enter_link	2633	=item $player_object->enter_link
1716		2634
1717	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
1718		2636
1719	The player should be reasonably safe there for short amounts of time. You	2637	The player should be reasonably safe there for short amounts of time (e.g.
1720	I<MUST> call C<leave_link> as soon as possible, though.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
1721		2641
1722	Will never block.	2642	Will never block.
1723		2643
1724	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
1725		2645
…		…
1745	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
1746	my ($self) = @_;	2666	my ($self) = @_;
1747		2667
1748	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
1749		2669
		2670	++$self->{_link_recursion};
		2671
1750	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
1751		2673
1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753	if $self->map;	2675	if $self->map && $self->map->{path} ne "{link}";
1754		2676
1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1756	}	2678	}
1757		2679
1758	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
1759	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
		2682
		2683	return unless $self->contr->active;
1760		2684
1761	my $link_pos = delete $self->{_link_pos};	2685	my $link_pos = delete $self->{_link_pos};
1762		2686
1763	unless ($map) {	2687	unless ($map) {
1764	# restore original map position	2688	# restore original map position
…		…
1775	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
1776	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
1777		2701
1778	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
1779	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
1780	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
1781		2705
1782	$map->load;	2706	$map->load;
1783	$map->load_diag;	2707	$map->load_neighbours;
1784		2708
1785	return unless $self->contr->active;	2709	return unless $self->contr->active;
		2710
		2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2712	if ($self->enter_map ($map, $x, $y)) {
		2713	# entering was successful
		2714	delete $self->{_link_recursion};
		2715	# only activate afterwards, to support waiting in hooks
1786	$self->activate_recursive;	2716	$self->activate_recursive;
1787	$self->enter_map ($map, $x, $y);
1788	}
1789
1790	cf::player->attach (
1791	on_logout => sub {
1792	my ($pl) = @_;
1793
1794	# abort map switching before logout
1795	if ($pl->ob->{_link_pos}) {
1796	cf::sync_job {
1797	$pl->ob->leave_link
1798	};
1799	}
1800	},	2717	}
1801	on_login => sub {
1802	my ($pl) = @_;
1803		2718
1804	# try to abort aborted map switching on player login :)	2719	}
1805	# should happen only on crashes
1806	if ($pl->ob->{_link_pos}) {
1807	$pl->ob->enter_link;
1808	(async {
1809	# we need this sleep as the login has a concurrent enter_exit running
1810	# and this sleep increases chances of the player not ending up in scorn
1811	$pl->ob->reply (undef,
1812	"There was an internal problem at your last logout, "
1813	. "the server will try to bring you to your intended destination in a second.",
1814	cf::NDI_RED);
1815	Coro::Timer::sleep 1;
1816	$pl->ob->leave_link;
1817	})->prio (2);
1818	}
1819	},
1820	);
1821		2720
1822	=item $player_object->goto ($path, $x, $y)	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1823		2722
		2723	Moves the player to the given map-path and coordinates by first freezing
		2724	her, loading and preparing them map, calling the provided $check callback
		2725	that has to return the map if sucecssful, and then unfreezes the player on
		2726	the new (success) or old (failed) map position. In either case, $done will
		2727	be called at the end of this process.
		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
		2731
1824	=cut	2732	=cut
		2733
		2734	our $GOTOGEN;
1825		2735
1826	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
1827	my ($self, $path, $x, $y) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
		2744
		2745	# do generation counting so two concurrent goto's will be executed in-order
		2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828		2747
1829	$self->enter_link;	2748	$self->enter_link;
1830		2749
1831	(async {	2750	(async {
		2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
1832	my $map = eval {	2772	my $map = eval {
1833	my $map = cf::map::find $path;	2773	my $map = defined $path ? cf::map::find $path : undef;
		2774
		2775	if ($map) {
1834	$map = $map->customise_for ($self) if $map;	2776	$map = $map->customise_for ($self);
		2777	$map = $check->($map, $x, $y, $self) if $check && $map;
		2778	} else {
		2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2780	}
		2781
1835	$map	2782	$map
		2783	};
		2784
		2785	if ($@) {
		2786	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	LOG llevError | logBacktrace, Carp::longmess $@;
1836	} or	2788	}
1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838		2789
		2790	if ($gen == $self->{_goto_generation}) {
		2791	delete $self->{_goto_generation};
1839	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
		2793	}
		2794
		2795	$done->($self) if $done;
1840	})->prio (1);	2796	})->prio (1);
1841	}	2797	}
1842		2798
1843	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
1844		2800
…		…
1864	}	2820	}
1865		2821
1866	sub prepare_random_map {	2822	sub prepare_random_map {
1867	my ($exit) = @_;	2823	my ($exit) = @_;
1868		2824
1869	my $guard = cf::lock_acquire "exit_prepare:$exit";
1870
1871	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
1872	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
1873	# that depends on the exit object	2827	# that depends on the exit object
1874		2828
1875	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
…		…
1877	if ($exit->map) {	2831	if ($exit->map) {
1878	$rmp->{region} = $exit->region->name;	2832	$rmp->{region} = $exit->region->name;
1879	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
1880	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
1881	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
1882	}	2838	}
1883		2839
1884	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
1885		2841
1886	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1887	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
1889		2845
1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
1892	undef $fh;	2848	undef $fh;
1893	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
1894		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
1895	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
1896	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
1897	}	2857	}
1898	}	2858	}
1899		2859
1900	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
1901	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
1902		2862
1903	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
1904		2864
1905	if ($exit->slaying eq "/!") {
1906	#TODO: this should de-fi-ni-te-ly not be a sync-job
1907	cf::sync_job { prepare_random_map $exit };
1908	}
1909
1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911	my $hp = $exit->stats->hp;
1912	my $sp = $exit->stats->sp;
1913
1914	$self->enter_link;	2865	$self->enter_link;
1915		2866
1916	(async {	2867	(async {
1917	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
1918	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
		2877	prepare_random_map $exit
		2878	if $exit->slaying eq "/!";
		2879	}
		2880
		2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
		2884
1919	$self->goto ($slaying, $hp, $sp);	2885	$self->goto ($map, $x, $y);
1920		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
1921	1;	2891	1
1922	}) {	2892	}) {
1923	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
1924	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
1925	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
1926	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
1927		2897
1928	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
1929	$self->leave_link;	2899	$self->leave_link;
1930	}	2900	}
1931	})->prio (1);	2901	})->prio (1);
1932	}	2902	}
1933		2903
…		…
1944		2914
1945	sub cf::client::send_drawinfo {	2915	sub cf::client::send_drawinfo {
1946	my ($self, $text, $flags) = @_;	2916	my ($self, $text, $flags) = @_;
1947		2917
1948	utf8::encode $text;	2918	utf8::encode $text;
1949	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950	}	2920	}
1951		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
		2945	}
		2946
		2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2948
		2949	Send a drawinfo or msg packet to the client, formatting the msg for the
		2950	client if neccessary. C<$type> should be a string identifying the type of
		2951	the message, with C<log> being the default. If C<$color> is negative, suppress
		2952	the message unless the client supports the msg packet.
		2953
		2954	=cut
		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
		3070	sub cf::client::send_msg {
		3071	my ($self, $channel, $msg, $color, @extra) = @_;
		3072
		3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
		3075
		3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3077
		3078	# check predefined channels, for the benefit of C
		3079	if ($CHANNEL{$channel}) {
		3080	$channel = $CHANNEL{$channel};
		3081
		3082	$self->ext_msg (channel_info => $channel);
		3083	$channel = $channel->{id};
		3084
		3085	} elsif (ref $channel) {
		3086	# send meta info to client, if not yet sent
		3087	unless (exists $self->{channel}{$channel->{id}}) {
		3088	$self->{channel}{$channel->{id}} = $channel;
		3089	$self->ext_msg (channel_info => $channel);
		3090	}
		3091
		3092	$channel = $channel->{id};
		3093	}
		3094
		3095	return unless @extra || length $msg;
		3096
		3097	# default colour, mask it out
		3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3099	if $color & cf::NDI_DEF;
		3100
		3101	my $pkt = "msg "
		3102	. $self->{json_coder}->encode (
		3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3104	);
		3105
		3106	$self->send_big_packet ($pkt);
		3107	}
		3108
		3109	=item $client->ext_msg ($type, @msg)
		3110
		3111	Sends an ext event to the client.
		3112
		3113	=cut
		3114
		3115	sub cf::client::ext_msg($$@) {
		3116	my ($self, $type, @msg) = @_;
		3117
		3118	if ($self->extcmd == 2) {
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
		3121	push @msg, msgtype => "event_$type";
		3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3141	}
		3142	}
1952		3143
1953	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
1954		3145
1955	Queues a query to the client, calling the given callback with	3146	Queues a query to the client, calling the given callback with
1956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3147	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3148	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1958		3149
1959	Queries can fail, so check the return code. Or don't, as queries will become	3150	Queries can fail, so check the return code. Or don't, as queries will
1960	reliable at some point in the future.	3151	become reliable at some point in the future.
1961		3152
1962	=cut	3153	=cut
1963		3154
1964	sub cf::client::query {	3155	sub cf::client::query {
1965	my ($self, $flags, $text, $cb) = @_;	3156	my ($self, $flags, $text, $cb) = @_;
…		…
1973	utf8::encode $text;	3164	utf8::encode $text;
1974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3165	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1975		3166
1976	$self->send_packet ($self->{query_queue}[0][0])	3167	$self->send_packet ($self->{query_queue}[0][0])
1977	if @{ $self->{query_queue} } == 1;	3168	if @{ $self->{query_queue} } == 1;
		3169
		3170	1
1978	}	3171	}
1979		3172
1980	cf::client->attach (	3173	cf::client->attach (
		3174	on_connect => sub {
		3175	my ($ns) = @_;
		3176
		3177	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3178	},
1981	on_reply => sub {	3179	on_reply => sub {
1982	my ($ns, $msg) = @_;	3180	my ($ns, $msg) = @_;
1983		3181
1984	# this weird shuffling is so that direct followup queries	3182	# this weird shuffling is so that direct followup queries
1985	# get handled first	3183	# get handled first
1986	my $queue = delete $ns->{query_queue}	3184	my $queue = delete $ns->{query_queue}
1987	or return; # be conservative, not sure how that can happen, but we saw a crash here	3185	or return; # be conservative, not sure how that can happen, but we saw a crash here
1988		3186
1989	(shift @$queue)->[1]->($msg);	3187	(shift @$queue)->[1]->($msg);
		3188	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990		3189
1991	push @{ $ns->{query_queue} }, @$queue;	3190	push @{ $ns->{query_queue} }, @$queue;
1992		3191
1993	if (@{ $ns->{query_queue} } == @$queue) {	3192	if (@{ $ns->{query_queue} } == @$queue) {
1994	if (@$queue) {	3193	if (@$queue) {
…		…
1996	} else {	3195	} else {
1997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3196	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1998	}	3197	}
1999	}	3198	}
2000	},	3199	},
		3200	on_exticmd => sub {
		3201	my ($ns, $buf) = @_;
		3202
		3203	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3204
		3205	if (ref $msg) {
		3206	my ($type, $reply, @payload) =
		3207	"ARRAY" eq ref $msg
		3208	? @$msg
		3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3210
		3211	my @reply;
		3212
		3213	if (my $cb = $EXTICMD{$type}) {
		3214	@reply = $cb->($ns, @payload);
		3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
		3220	} else {
		3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3222	}
		3223
		3224	cf::override;
		3225	},
2001	);	3226	);
2002		3227
2003	=item $client->async (\&cb)	3228	=item $client->async (\&cb)
2004		3229
2005	Create a new coroutine, running the specified callback. The coroutine will	3230	Create a new coroutine, running the specified callback. The coroutine will
…		…
2021		3246
2022	$coro	3247	$coro
2023	}	3248	}
2024		3249
2025	cf::client->attach (	3250	cf::client->attach (
2026	on_destroy => sub {	3251	on_client_destroy => sub {
2027	my ($ns) = @_;	3252	my ($ns) = @_;
2028		3253
2029	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2030	},	3255	},
2031	);	3256	);
…		…
2046	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2047	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2048		3273
2049	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2050		3275
2051	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3276	$safe->permit_only (Opcode::opset qw(
		3277	:base_core :base_mem :base_orig :base_math :base_loop
		3278	grepstart grepwhile mapstart mapwhile
		3279	sort time
		3280	));
2052		3281
2053	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2054		3283
2055	=pod	3284	=pod
2056		3285
2057	The following fucntions and emthods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2058		3287
2059	cf::object contr pay_amount pay_player map	3288	cf::object
		3289	contr pay_amount pay_player map x y force_find force_add destroy
		3290	insert remove name archname title slaying race decrease split
		3291	value
		3292
2060	cf::object::player player	3293	cf::object::player
2061	cf::player peaceful	3294	player
2062	cf::map trigger	3295
		3296	cf::player
		3297	peaceful
		3298
		3299	cf::map
		3300	trigger
2063		3301
2064	=cut	3302	=cut
2065		3303
2066	for (	3304	for (
2067	["cf::object" => qw(contr pay_amount pay_player map)],	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2068	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2069	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2070	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2071	) {	3311	) {
2072	no strict 'refs';
2073	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2074	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2075	for @funs;	3314	for @funs;
2076	}	3315	}
2077		3316
…		…
2092		3331
2093	my $qcode = $code;	3332	my $qcode = $code;
2094	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2095	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2096		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2097	local $_;	3339	local $_;
2098	local @safe::cf::_safe_eval_args = values %vars;
2099		3340
2100	my $eval =	3341	my $eval =
2101	"do {\n"	3342	"do {\n"
2102	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2103	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2104	. $code	3345	. $code
2105	. "\n}"	3346	. "\n}"
2106	;	3347	;
2107		3348
		3349	if ($CFG{safe_eval}) {
2108	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2109	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2110	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2111		3358
2112	if ($@) {	3359	if ($@) {
2113	warn "$@";	3360	warn "$@",
2114	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2115	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2116	}	3363	}
2117		3364
2118	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2119	}	3366	}
2120		3367
…		…
2134	=cut	3381	=cut
2135		3382
2136	sub register_script_function {	3383	sub register_script_function {
2137	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2138		3385
2139	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2140	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2141	}	3388	}
2142		3389
2143	=back	3390	=back
2144		3391
2145	=cut	3392	=cut
2146		3393
2147	#############################################################################	3394	#############################################################################
		3395	# the server's init and main functions
2148		3396
2149	=head2 EXTENSION DATABASE SUPPORT	3397	sub load_facedata($) {
		3398	my ($path) = @_;
2150		3399
2151	Crossfire maintains a very simple database for extension use. It can	3400	# HACK to clear player env face cache, we need some signal framework
2152	currently store anything that can be serialised using Storable, which	3401	# for this (global event?)
2153	excludes objects.	3402	%ext::player_env::MUSIC_FACE_CACHE = ();
2154		3403
2155	The parameter C<$family> should best start with the name of the extension	3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2156	using it, it should be unique.
2157		3405
2158	=over 4	3406	trace "loading facedata from $path\n";
2159		3407
2160	=item $hashref = cf::db_get $family	3408	0 < aio_load $path, my $facedata
		3409	or die "$path: $!";
2161		3410
2162	Return a hashref for use by the extension C<$family>, which can be	3411	$facedata = Coro::Storable::thaw $facedata;
2163	modified. After modifications, you have to call C<cf::db_dirty> or
2164	C<cf::db_sync>.
2165		3412
2166	=item $value = cf::db_get $family => $key	3413	$facedata->{version} == 2
		3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2167		3415
2168	Returns a single value from the database	3416	# patch in the exptable
2169		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2170	=item cf::db_put $family => $hashref	3418	$facedata->{resource}{"res/exp_table"} = {
2171		3419	type => FT_RSRC,
2172	Stores the given family hashref into the database. Updates are delayed, if	3420	data => $exp_table,
2173	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3421	hash => (Digest::MD5::md5 $exp_table),
2174
2175	=item cf::db_put $family => $key => $value
2176
2177	Stores the given C<$value> in the family hash. Updates are delayed, if you
2178	want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180	=item cf::db_dirty
2181
2182	Marks the database as dirty, to be updated at a later time.
2183
2184	=item cf::db_sync
2185
2186	Immediately write the database to disk I<if it is dirty>.
2187
2188	=cut
2189
2190	our $DB;
2191
2192	{
2193	my $path = cf::localdir . "/database.pst";
2194
2195	sub db_load() {
2196	$DB = stat $path ? Storable::retrieve $path : { };
2197	}	3422	};
		3423	cf::cede_to_tick;
2198		3424
2199	my $pid;
2200
2201	sub db_save() {
2202	waitpid $pid, 0 if $pid;
2203	if (0 == ($pid = fork)) {
2204	$DB->{_meta}{version} = 1;
2205	Storable::nstore $DB, "$path~";
2206	rename "$path~", $path;
2207	cf::_exit 0 if defined $pid;
2208	}
2209	}	3425	{
		3426	my $faces = $facedata->{faceinfo};
2210		3427
2211	my $dirty;	3428	while (my ($face, $info) = each %$faces) {
		3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2212		3430
2213	sub db_sync() {	3431	cf::face::set_visibility $idx, $info->{visibility};
2214	db_save if $dirty;	3432	cf::face::set_magicmap $idx, $info->{magicmap};
2215	undef $dirty;	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2216	}	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2217		3435
2218	my $idle = Event->idle (	3436	cf::cede_to_tick;
2219	reentrant => 0,
2220	min => 10,
2221	max => 20,
2222	repeat => 0,
2223	data => WF_AUTOCANCEL,
2224	cb => \&db_sync,
2225	);
2226
2227	sub db_dirty() {
2228	$dirty = 1;
2229	$idle->start;
2230	}
2231
2232	sub db_get($;$) {
2233	@_ >= 2
2234	? $DB->{$_[0]}{$_[1]}
2235	: ($DB->{$_[0]} ||= { })
2236	}
2237
2238	sub db_put($$;$) {
2239	if (@_ >= 3) {
2240	$DB->{$_[0]}{$_[1]} = $_[2];
2241	} else {
2242	$DB->{$_[0]} = $_[1];
2243	}
2244	db_dirty;
2245	}
2246
2247	cf::global->attach (
2248	prio => 10000,
2249	on_cleanup => sub {
2250	db_sync;
2251	},	3437	}
2252	);
2253	}
2254		3438
2255	#############################################################################	3439	while (my ($face, $info) = each %$faces) {
2256	# the server's main()	3440	next unless $info->{smooth};
2257		3441
2258	sub cfg_load {	3442	my $idx = cf::face::find $face
2259	open my $fh, "<:utf8", cf::confdir . "/config"	3443	or next;
2260	or return;
2261		3444
2262	local $/;	3445	if (my $smooth = cf::face::find $info->{smooth}) {
2263	*CFG = YAML::Syck::Load <$fh>;	3446	cf::face::set_smooth $idx, $smooth;
		3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3448	} else {
		3449	error "smooth face '$info->{smooth}' not found for face '$face'";
		3450	}
2264		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	{
		3457	my $anims = $facedata->{animinfo};
		3458
		3459	while (my ($anim, $info) = each %$anims) {
		3460	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3461	cf::cede_to_tick;
		3462	}
		3463
		3464	cf::anim::invalidate_all; # d'oh
		3465	}
		3466
		3467	{
		3468	my $res = $facedata->{resource};
		3469
		3470	while (my ($name, $info) = each %$res) {
		3471	if (defined $info->{type}) {
		3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3473
		3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3475	cf::face::set_type $idx, $info->{type};
		3476	} else {
		3477	$RESOURCE{$name} = $info; # unused
		3478	}
		3479
		3480	cf::cede_to_tick;
		3481	}
		3482	}
		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
		3486	1
		3487	}
		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($ns, $want) = @_;
		3491
		3492	while (my ($k, $v) = each %$want) {
		3493	$ns->fx_want ($k, $v);
		3494	}
		3495	};
		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
		3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	load_resource_file "$MAPDIR/regions"
		3513	or die "unable to load regions file\n";
		3514
		3515	for (cf::region::list) {
		3516	$_->{match} = qr/$_->{match}/
		3517	if exists $_->{match};
		3518	}
		3519	}
		3520
		3521	sub reload_facedata {
		3522	load_facedata "$DATADIR/facedata"
		3523	or die "unable to load facedata\n";
		3524	}
		3525
		3526	sub reload_archetypes {
		3527	load_resource_file "$DATADIR/archetypes"
		3528	or die "unable to load archetypes\n";
		3529	}
		3530
		3531	sub reload_treasures {
		3532	load_resource_file "$DATADIR/treasures"
		3533	or die "unable to load treasurelists\n";
		3534	}
		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
		3559	sub reload_resources {
		3560	trace "reloading resource files...\n";
		3561
		3562	reload_exp_table;
		3563	reload_materials;
		3564	reload_facedata;
		3565	reload_sound;
		3566	reload_archetypes;
		3567	reload_regions;
		3568	reload_treasures;
		3569
		3570	trace "finished reloading resource files\n";
		3571	}
		3572
		3573	sub reload_config {
		3574	trace "reloading config file...\n";
		3575
		3576	0 < aio_load "$CONFDIR/config", my $config
		3577	or die "$CONFDIR/config: $!";
		3578
		3579	utf8::decode $config;
		3580	*CFG = yaml_load $config;
		3581
2265	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2266		3583
2267	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2268	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2269		3586
2270	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2274	};	3591	};
2275	warn $@ if $@;	3592	warn $@ if $@;
2276	}	3593	}
2277	}	3594	}
2278		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
2279	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
2280	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3637	(async {
2284	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
2285	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
2286	};	3641	};
2287		3642
2288	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
2289	db_load;	3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
		3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
2290	load_extensions;	3666	load_extensions;
2291		3667
2292	$TICK_WATCHER->start;	3668	utime time, time, $RUNTIMEFILE;
2293	Event::loop;	3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
2294	}	3686	}
2295		3687
2296	#############################################################################	3688	#############################################################################
2297	# initialisation and cleanup	3689	# initialisation and cleanup
2298		3690
2299	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2300	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
2309	},
2310	);	3697	};
		3698	}
		3699	}
		3700
		3701	sub write_runtime_sync {
		3702	my $t0 = AE::time;
		3703
		3704	# first touch the runtime file to show we are still running:
		3705	# the fsync below can take a very very long time.
		3706
		3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3708
		3709	my $guard = cf::lock_acquire "write_runtime";
		3710
		3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3712	or return;
		3713
		3714	my $value = $cf::RUNTIME + 90 + 10;
		3715	# 10 is the runtime save interval, for a monotonic clock
		3716	# 60 allows for the watchdog to kill the server.
		3717
		3718	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3719	and return;
		3720
		3721	# always fsync - this file is important
		3722	aio_fsync $fh
		3723	and return;
		3724
		3725	# touch it again to show we are up-to-date
		3726	aio_utime $fh, undef, undef;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3732	and return;
		3733
		3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3735
2311	}	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
2312	}	3787	}
2313		3788
2314	sub emergency_save() {	3789	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2316		3791
2317	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
2318		3798
2319	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2320	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2321	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2322	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2324	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3810	$pl->save;
2328	}	3811	}
2329	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2330		3813
2331	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
2332	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2333	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	3819	$map->valid or next;
2335	$map->save;	3820	$map->save;
2336	}	3821	}
2337	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
		3823
		3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
		3827	BDB::db_env_txn_checkpoint $DB_ENV;
		3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2338	};	3852	};
2339		3853
2340	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2341	}	3855	}
2342		3856
		3857	sub post_cleanup {
		3858	my ($make_core) = @_;
		3859
		3860	IO::AIO::flush;
		3861
		3862	error Carp::longmess "post_cleanup backtrace"
		3863	if $make_core;
		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
		3892	}
		3893
2343	sub reload() {	3894	sub do_reload_perl() {
2344	# can/must only be called in main	3895	# can/must only be called in main
2345	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2346	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
2347	return;	3898	return;
2348	}	3899	}
2349		3900
2350	warn "reloading...";	3901	return if $RELOAD++;
2351		3902
2352	warn "cancelling server ticker";	3903	my $t1 = AE::time;
2353	$TICK_WATCHER->cancel;
2354		3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
		3911	cf::sync_job {
2355	cf::emergency_save;	3912	#cf::emergency_save;
2356		3913
2357	eval {
2358	# if anything goes wrong in here, we should simply crash as we already saved
2359
2360	warn "syncing database to disk";
2361	cf::db_sync;
2362
2363	warn "cancelling all WF_AUTOCANCEL watchers";
2364	for (Event::all_watchers) {
2365	$_->cancel if $_->data & WF_AUTOCANCEL;
2366	}
2367
2368	warn "flushing outstanding aio requests";
2369	for (;;) {
2370	IO::AIO::flush;
2371	Coro::cede;
2372	last unless IO::AIO::nreqs;
2373	warn "iterate...";
2374	}
2375
2376	warn "cancelling all extension coros";	3914	trace "perl_reload: cancelling all extension coros";
2377	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
2378	%EXT_CORO = ();	3916	%EXT_CORO = ();
2379		3917
2380	warn "removing commands";	3918	trace "perl_reload: removing commands";
2381	%COMMAND = ();	3919	%COMMAND = ();
2382		3920
2383	warn "removing ext commands";	3921	trace "perl_reload: removing ext/exti commands";
2384	%EXTCMD = ();	3922	%EXTCMD = ();
		3923	%EXTICMD = ();
2385		3924
2386	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
2387	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
2388	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
2389		3928
2390	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
2391	eval {	3930	eval {
2392	$cb->($pkg);	3931	$cb->($pkg);
2393	1	3932	1
2394	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
2395	}	3938	}
2396		3939
2397	warn "... nuking $pkg";
2398	Symbol::delete_package $pkg;
2399	}
2400
2401	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2402	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
2403	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2404		3943
2405	warn "... unloading $k";	3944	trace "... unloading $k";
2406	delete $INC{$k};	3945	delete $INC{$k};
2407		3946
2408	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
2409	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
2410		3949
2411	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
2412	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
2413	}	3955	}
2414		3956
2415	Symbol::delete_package $k;
2416	}
2417
2418	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
2419	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421		3960
2422	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
2423	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
		3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2424		3964
2425	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
2426	# and global variables created in xs	3966	# and global variables created in xs
2427	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
2428		3968
2429	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
2430		3970
2431	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
2432	require cf;	3972	require cf;
2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
2434		3974
2435	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
2436	cf::cfg_load;	3976	cf::reload_config;
2437	cf::db_load;
2438		3977
2439	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
2440	cf::load_extensions;	3979	cf::load_extensions;
2441		3980
		3981	if ($REATTACH_ON_RELOAD) {
2442	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
2443	_global_reattach;	3983	_global_reattach; # objects, sockets
2444	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
2445	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
		3986	trace "perl_reload: reattaching attachments to players";
		3987	reattach $_ for values %PLAYER;
		3988	}
2446		3989
2447	warn "restarting server ticker";	3990	cf::_post_init 1;
2448		3991
2449	$TICK_WATCHER->start;	3992	trace "perl_reload: leaving sync_job";
		3993
		3994	1
		3995	} or do {
		3996	error $@;
		3997	cf::cleanup "perl_reload: error, exiting.";
		3998	};
		3999
		4000	--$RELOAD;
		4001	}
		4002
		4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
		4005	};
		4006
		4007	our $RELOAD_WATCHER; # used only during reload
		4008
		4009	sub reload_perl() {
		4010	# doing reload synchronously and two reloads happen back-to-back,
		4011	# coro crashes during coro_state_free->destroy here.
		4012
		4013	$RELOAD_WATCHER ||= cf::async {
		4014	Coro::AIO::aio_wait cache_extensions;
		4015
		4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4017	do_reload_perl;
		4018	undef $RELOAD_WATCHER;
		4019	};
2450	};	4020	};
2451		4021	}
2452	if ($@) {
2453	warn $@;
2454	warn "error while reloading, exiting.";
2455	exit 1;
2456	}
2457
2458	warn "reloaded";
2459	};
2460
2461	our $RELOAD_WATCHER; # used only during reload
2462		4022
2463	register_command "reload" => sub {	4023	register_command "reload" => sub {
2464	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
2465		4025
2466	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
2467	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
2468		4028	async {
2469	# doing reload synchronously and two reloads happen back-to-back,	4029	$Coro::current->{desc} = "perl_reload";
2470	# coro crashes during coro_state_free->destroy here.
2471
2472	$RELOAD_WATCHER ||= Event->timer (
2473	reentrant => 0,
2474	after => 0,
2475	data => WF_AUTOCANCEL,
2476	cb => sub {
2477	reload;	4030	reload_perl;
2478	undef $RELOAD_WATCHER;
2479	},
2480	);	4031	};
2481	}	4032	}
2482	};	4033	};
2483		4034
2484	unshift @INC, $LIBDIR;	4035	#############################################################################
2485		4036
2486	my $bug_warning = 0;	4037	my $bug_warning = 0;
2487		4038
2488	$TICK_WATCHER = Event->timer (	4039	our @WAIT_FOR_TICK;
2489	reentrant => 0,	4040	our @WAIT_FOR_TICK_BEGIN;
2490	parked => 1,	4041
2491	prio => 0,	4042	sub wait_for_tick() {
2492	at => $NEXT_TICK || $TICK,	4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2493	data => WF_AUTOCANCEL,	4044
2494	cb => sub {	4045	my $signal = new Coro::Signal;
		4046	push @WAIT_FOR_TICK, $signal;
		4047	$signal->wait;
		4048	}
		4049
		4050	sub wait_for_tick_begin() {
		4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4052
		4053	my $signal = new Coro::Signal;
		4054	push @WAIT_FOR_TICK_BEGIN, $signal;
		4055	$signal->wait;
		4056	}
		4057
		4058	sub tick {
2495	if ($Coro::current != $Coro::main) {	4059	if ($Coro::current != $Coro::main) {
2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497	unless ++$bug_warning > 10;	4061	unless ++$bug_warning > 10;
2498	return;	4062	return;
2499	}	4063	}
2500		4064
2501	$NOW = Event::time;
2502
2503	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
2504	$RUNTIME += $TICK;
2505	$NEXT_TICK += $TICK;
2506		4066
2507	$WAIT_FOR_TICK->broadcast;	4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2509		4068
2510	Event::sweep;	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2511	Coro::cede_notself;	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4071	Coro::async_pool {
		4072	$Coro::current->{desc} = "runtime saver";
		4073	write_runtime_sync
		4074	or error "ERROR: unable to write runtime file: $!";
		4075	};
		4076	}
		4077
		4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4079	$sig->send;
		4080	}
		4081	while (my $sig = shift @WAIT_FOR_TICK) {
		4082	$sig->send;
		4083	}
		4084
		4085	$LOAD = ($NOW - $TICK_START) / $TICK;
		4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4087
		4088	if (0) {
		4089	if ($NEXT_TICK) {
		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
2512		4093	}
2513	# my $AFTER = Event::time;
2514	# warn $AFTER - $NOW;#d#
2515
2516	# if we are delayed by four ticks or more, skip them all
2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2518
2519	$TICK_WATCHER->at ($NEXT_TICK);
2520	$TICK_WATCHER->start;
2521	},	4094	}
2522	);	4095	}
2523		4096
		4097	{
		4098	# configure BDB
		4099
		4100	BDB::min_parallel 16;
		4101	BDB::max_poll_reqs $TICK * 0.1;
		4102	$AnyEvent::BDB::WATCHER->priority (1);
		4103
		4104	unless ($DB_ENV) {
		4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4111
		4112	cf::sync_job {
		4113	eval {
		4114	BDB::db_env_open
		4115	$DB_ENV,
		4116	$BDBDIR,
		4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4119	0666;
		4120
		4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4122	};
		4123
		4124	cf::cleanup "db_env_open(db): $@" if $@;
		4125	};
		4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
		4137	}
		4138
		4139	{
		4140	# configure IO::AIO
		4141
		4142	IO::AIO::min_parallel 8;
2524	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
		4144	undef $AnyEvent::AIO::WATCHER;
		4145	}
2525		4146
2526	undef $Coro::AIO::WATCHER;	4147	our $_log_backtrace;
2527	$AIO_POLL_WATCHER = Event->io (	4148	our $_log_backtrace_last;
2528	reentrant => 0,
2529	fd => IO::AIO::poll_fileno,
2530	poll => 'r',
2531	prio => 6,
2532	data => WF_AUTOCANCEL,
2533	cb => \&IO::AIO::poll_cb,
2534	);
2535		4149
2536	$WRITE_RUNTIME_WATCHER = Event->timer (	4150	sub _log_backtrace {
2537	reentrant => 0,	4151	my ($msg, @addr) = @_;
2538	data => WF_AUTOCANCEL,	4152
2539	after => 1,	4153	$msg =~ s/\n$//;
2540	interval => 10,	4154
2541	prio => 6, # keep it lowest so it acts like a watchdog	4155	if ($_log_backtrace_last eq $msg) {
2542	cb => Coro::unblock_sub {	4156	LOG llevInfo, "[ABT] $msg\n";
2543	write_runtime	4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2544	or warn "ERROR: unable to write runtime file: $!";	4158	# limit the # of concurrent backtraces
		4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
		4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
		4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
		4166	my @bt = fork_call {
		4167	@addr = map { sprintf "%x", $_ } @addr;
		4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4170	or die "addr2line: $!";
		4171
		4172	my @funcs;
		4173	my @res = <$fh>;
		4174	chomp for @res;
		4175	while (@res) {
		4176	my ($func, $line) = splice @res, 0, 2, ();
		4177	push @funcs, "[$func] $line";
		4178	}
		4179
		4180	@funcs
		4181	};
		4182
		4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4185	LOG llevInfo, "[ABT] $_\n" for @bt;
		4186	--$_log_backtrace;
		4187	};
		4188	} else {
		4189	LOG llevInfo, "[ABT] $msg\n";
		4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2545	},	4191	}
2546	);	4192	}
		4193
		4194	# load additional modules
		4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
2547		4197
2548	END { cf::emergency_save }	4198	END { cf::emergency_save }
2549		4199
2550	1	4200	1
2551		4201

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