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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.557 by root, Tue Oct 5 21:40:05 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	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;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	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 $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		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.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	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	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@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';
192	@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)
193		300
194	# 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
195	# within the Safe compartment.	302	# within the Safe compartment.
196	for my $pkg (qw(	303	for my $pkg (qw(
197	cf::global cf::attachable	304	cf::global cf::attachable
198	cf::object cf::object::player	305	cf::object cf::object::player
199	cf::client cf::player	306	cf::client cf::player
200	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
201	cf::map cf::party cf::region	309	cf::party cf::region
202	)) {	310	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	312	}
206		313
207	$Event::DIED = sub {	314	$EV::DIED = sub {
208	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
209	};	316	};
		317
		318	#############################################################################
210		319
211	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
212		321
213	=over 4	322	=over 4
214		323
…		…
233	$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;
234	$d	343	$d
235	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
236	}	345	}
237		346
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
241		348
242	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
243		350
244	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
245		352
246	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
247		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[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	}
		403	}
		404
248	=item cf::lock_wait $string	405	=item cf::lock_wait $string
249		406
250	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
251		408
252	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
253		410
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
257	returned.	414	returned.
258		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
259	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
260	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
261		421
262	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
263		423
264	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
265		425
266	=cut	426	=cut
267		427
268	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
269		429
270	sub lock_wait($) {	430	sub lock_wait($) {
271	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	432	}
279		433
280	sub lock_acquire($) {	434	sub lock_acquire($) {
281	my ($key) = @_;	435	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	436	}
293		437
294	sub lock_active($) {	438	sub lock_active($) {
295	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	440	}
299		441
300	sub freeze_mainloop {	442	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
302		444
303	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	446	}
		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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
305	};	512	}
306	$TICK_WATCHER->stop;	513	};
307	$guard	514
		515	sub get_slot($;$$) {
		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	$sig->wait;
308	}	528	}
309		529
310	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
311		531
312	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		537
318	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
319		539
320	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
321		541
322	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
325		546
326	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
329	fast or be very important.	550	fast or be very important.
…		…
331	=cut	552	=cut
332		553
333	sub sync_job(&) {	554	sub sync_job(&) {
334	my ($job) = @_;	555	my ($job) = @_;
335		556
336	if ($Coro::current == $Coro::main) {	557	if (in_main) {
337	my $time = Event::time;	558	my $time = AE::time;
338		559
339	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
341		562
342	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	564
344	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
345		566
346	my $busy = 1;	567	my $busy = 1;
347	my @res;	568	my @res;
348		569
349	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	572	@res = eval { $job->() };
351	warn $@ if $@;	573	error $@ if $@;
352	undef $busy;	574	undef $busy;
353	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
354		576
355	while ($busy) {	577	while ($busy) {
356	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
357	}	582	}
		583	}
358		584
359	$time = Event::time - $time;	585	my $time = AE::time - $time;
360		586
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
365		588
366	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
367	} else {	590	} else {
368	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
369		592
…		…
389	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
390		613
391	$coro	614	$coro
392	}	615	}
393		616
394	sub write_runtime {	617	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		618
397	# first touch the runtime file to show we are still running:	619	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	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.
399		623
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	624	=cut
401	utime undef, undef, $fh;	625
		626	sub post_fork {
		627	reset_signals;
		628	}
		629
		630	sub fork_call(&@) {
		631	my ($cb, @args) = @_;
		632
		633	# we seemingly have to make a local copy of the whole thing,
		634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
		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 $!;
402	}	713	};
		714	cf::cleanup "db_open(db): $@" if $@;
403		715
404	my $guard = cf::lock_acquire "write_runtime";	716	$db
		717	}
405		718
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	719	our $DB;
407	or return;
408		720
409	my $value = $cf::RUNTIME + 90 + 10;	721	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	722	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	723	}
412		724
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	725	sub db_get($$) {
414	and return;	726	my $key = "$_[0]/$_[1]";
415		727
416	# always fsync - this file is important	728	cf::error "db_get called from main context"
417	aio_fsync $fh	729	if $Coro::current == $Coro::main;
418	and return;
419		730
420	# touch it again to show we are up-to-date	731	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		732
423	close $fh	733	$! ? ()
424	or return;	734	: $data
		735	}
425		736
426	aio_rename "$runtime~", $runtime	737	sub db_put($$$) {
427	and return;	738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
428		741
429	warn "runtime file written.\n";#d#	742	=item cf::cache $id => [$paths...], $processversion => $process
430		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 $data;
431	1	807	}
		808
		809	db_get cache => "$id/data"
432	}	810	}
433		811
434	=item cf::datalog type => key => value, ...	812	=item cf::datalog type => key => value, ...
435		813
436	Log a datalog packet of the given type with the given key-value pairs.	814	Log a datalog packet of the given type with the given key-value pairs.
437		815
438	=cut	816	=cut
439		817
440	sub datalog($@) {	818	sub datalog($@) {
441	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	821	}
444		822
445	=back	823	=back
446		824
447	=cut	825	=cut
448		826
449	#############################################################################	827	#############################################################################
450		828
451	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
452		830
453	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
454	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")
455	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
456		834
457	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>
458	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
459	crossfire+).	837	Deliantra).
460		838
461	=over 4	839	=over 4
462		840
463	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
464		842
…		…
508	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
509		887
510	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
512		890
513	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		893
516	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
517		895
518	=over 4	896	=over 4
…		…
642		1020
643	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1023
646	} elsif (ref $type) {	1024	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
648		1026
649	} else {	1027	} else {
650	shift @arg;	1028	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
652	}	1030	}
653	}	1031	}
654	}	1032	}
655		1033
656	sub _object_attach {	1034	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
667	}	1045	}
668		1046
669	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
670	} else {	1048	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1050	}
673		1051
674	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
675	}	1053	}
676		1054
…		…
716	";	1094	";
717	die if $@;	1095	die if $@;
718	}	1096	}
719		1097
720	our $override;	1098	our $override;
721	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?
722		1100
723	sub override {	1101	sub override {
724	$override = 1;	1102	$override = 1;
725	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
726	}	1104	}
727		1105
728	sub do_invoke {	1106	sub do_invoke {
729	my $event = shift;	1107	my $event = shift;
730	my $callbacks = shift;	1108	my $callbacks = shift;
731		1109
732	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
733		1111
734	local $override;	1112	local $override;
735		1113
736	for (@$callbacks) {	1114	for (@$callbacks) {
737	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
738		1116
739	if ($@) {	1117	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1119	override;
743	}	1120	}
744		1121
745	return 1 if $override;	1122	return 1 if $override;
746	}	1123	}
747		1124
748	0	1125	0
749	}	1126	}
750		1127
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1129
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1131
755	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
756		1133
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1137
761	=back	1138	=back
762		1139
763	=cut	1140	=cut
764		1141
765	#############################################################################	1142	#############################################################################
766	# 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, $ob2
		1185	}
767		1186
768	sub reattach {	1187	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1189	my ($obj) = @_;
771		1190
		1191	# no longer needed after getting rid of delete_package?
772	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
773		1193
774	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
775		1195
776	@$registry = ();	1196	@$registry = ();
777		1197
…		…
782	for (@$attach) {	1202	for (@$attach) {
783	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
785	}	1205	}
786	} else {	1206	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1208	}
789	}	1209	}
790	}	1210	}
791		1211
792	cf::attachable->attach (	1212	cf::attachable->attach (
793	prio => -1000000,	1213	prio => -1000000,
794	on_instantiate => sub {	1214	on_instantiate => sub {
795	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
796		1216
797	$data = from_json $data;	1217	$data = decode_json $data;
798		1218
799	for (@$data) {	1219	for (@$data) {
800	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
801		1221
802	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1238	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
820		1240
821	sync_job {	1241	sync_job {
822	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
825		1247
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
830	close $fh;	1255	aio_close $fh;
831		1256
832	if (@$objs) {	1257	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
838	close $fh;	1266	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
840	}	1268	}
841	} else {	1269	} else {
842	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
843	}	1271	}
844		1272
845	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1277	} else {
847	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
848	}	1279	}
849	} else {	1280	} else {
850	aio_unlink $filename;	1281	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
852	}	1283	}
853	}	1284	};
854	}	1285	}
855		1286
856	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
858		1289
…		…
870	or return;	1301	or return;
871		1302
872	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
874	or return;	1305	or return;
		1306
875	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
876	}	1309	}
877		1310
		1311	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
880	return ($data, $av);	1316	($data, $av)
881	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
882		1324
883	#############################################################################	1325	#############################################################################
884	# command handling &c	1326	# command handling &c
885		1327
886	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1342	}
901		1343
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1345
904	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.
905		1351
906	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
907	called.	1353	called.
908		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
909	=cut	1366	=cut
910		1367
911	sub register_extcmd {	1368	sub register_extcmd {
912	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
913		1370
914	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
915	}	1372	}
916		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
917	cf::player->attach (	1382	cf::player->attach (
918	on_command => sub {	1383	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
920		1385
921	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
922	or return;	1387	or return;
923		1388
…		…
928	cf::override;	1393	cf::override;
929	},	1394	},
930	on_extcmd => sub {	1395	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
932		1397
933	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1399
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
941	} else {	1415	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1417	}
944		1418
945	cf::override;	1419	cf::override;
946	},	1420	},
947	);	1421	);
948		1422
		1423	# "readahead" all extensions
949	sub load_extension {	1424	sub cache_extensions {
950	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
951		1426
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1430	}
977	die $@;
978	}	1431	};
979		1432
980	push @EXTS, $pkg;	1433	$grp
981	}	1434	}
982		1435
983	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
984	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1443	next unless -r $path;
986	eval {	1444
987	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 $active;
		1507	}
988	1	1508	}
989	} or warn "$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	}
990	}	1519	};
991	}	1520	}
992		1521
993	#############################################################################	1522	#############################################################################
994		1523
		1524	=back
		1525
995	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
996		1527
997	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
998		1529
999	=cut	1530	=cut
1000		1531
1001	package cf::player;	1532	package cf::player;
1002		1533
1003	use Coro::AIO;	1534	use Coro::AIO;
1004		1535
1005	=head3 cf::player	1536	=head3 cf::player
1006		1537
1007	=over 4	1538	=over 4
		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	}
1008		1553
1009	=item cf::player::find $login	1554	=item cf::player::find $login
1010		1555
1011	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1012		1557
…		…
1031		1576
1032	sub exists($) {	1577	sub exists($) {
1033	my ($login) = @_;	1578	my ($login) = @_;
1034		1579
1035	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1037	}	1582	}
1038		1583
1039	sub find($) {	1584	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1586	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1597
1053	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1056	}	1607	}
1057	}	1608	}
1058	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
1059		1623
1060	sub save($) {	1624	sub save($) {
1061	my ($pl) = @_;	1625	my ($pl) = @_;
1062		1626
1063	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1069		1633
1070	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1072		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
1073	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1074	Coro::cede;	1643	cf::cede_to_tick;
1075	}	1644	}
1076		1645
1077	sub new($) {	1646	sub new($) {
1078	my ($login) = @_;	1647	my ($login) = @_;
1079		1648
…		…
1085	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1086		1655
1087	$self	1656	$self
1088	}	1657	}
1089		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
1090	=item $pl->quit_character	1669	=item $pl->quit_character
1091		1670
1092	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1094		1673
…		…
1098	my ($pl) = @_;	1677	my ($pl) = @_;
1099		1678
1100	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1101		1680
1102	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1103	$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
1104		1683
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1106	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1108	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1109		1692
1110	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1112	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1147	or return [];	1730	or return [];
1148		1731
1149	my @logins;	1732	my @logins;
1150		1733
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1155		1744
1156	utf8::decode $login;	1745	utf8::decode $login;
1157	push @logins, $login;	1746	push @logins, $login;
1158	}	1747	}
1159		1748
1160	\@logins	1749	\@logins
1161	}	1750	}
1162		1751
1163	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1164		1755
1165	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1166	player. May block.	1757	player. May block.
1167		1758
1168	=cut	1759	=cut
…		…
1186	}	1777	}
1187		1778
1188	\@paths	1779	\@paths
1189	}	1780	}
1190		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1191	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1192		1787
1193	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1194		1789
1195	=cut	1790	=cut
1196		1791
1197	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1199		1794
1200	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1796	}
1204		1797
1205	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1206		1799
1207	Sends an ext event to the client.	1800	Sends an ext event to the client.
1208		1801
1209	=cut	1802	=cut
1210		1803
1211	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1213		1806
1214	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1215	}	1808	}
1216		1809
1217	=head3 cf::region	1810	=head3 cf::region
1218		1811
1219	=over 4	1812	=over 4
…		…
1222		1815
1223	package cf::region;	1816	package cf::region;
1224		1817
1225	=item cf::region::find_by_path $path	1818	=item cf::region::find_by_path $path
1226		1819
1227	Tries to decuce the probable region for a map knowing only its path.	1820	Tries to decuce the likely region for a map knowing only its path.
1228		1821
1229	=cut	1822	=cut
1230		1823
1231	sub find_by_path($) {	1824	sub find_by_path($) {
1232	my ($path) = @_;	1825	my ($path) = @_;
1233		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1234	my ($match, $specificity);	1829	my ($match, $specificity);
1235		1830
1236	for my $region (list) {	1831	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1240	}	1835	}
1241	}	1836	}
1242		1837
…		…
1263	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1265		1860
1266	sub generate_random_map {	1861	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1268	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1269	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1280	(cf::region::find $rmp->{region}), $rmp->{custom}
1281	)
1282	}	1867	}
1283		1868
1284	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1285		1870
1286	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1291		1876
1292	sub register {	1877	sub register {
1293	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	1879	my $pkg = caller;
1295		1880
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		1882
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1884	}
1301		1885
1302	# also paths starting with '/'	1886	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1888
1305	sub thawer_merge {	1889	sub thawer_merge {
1306	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1307		1891
1308	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
1309	local $self->{path};	1893	local $self->{path};
1310	local $self->{load_path};	1894	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1895
1314	$self->SUPER::thawer_merge ($merge);	1896	$self->SUPER::thawer_merge ($merge);
1315	}	1897	}
1316		1898
1317	sub normalise {	1899	sub normalise {
1318	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1319		1901
1320	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1321		1903
1322	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1323		1905
1324	# map plan:	1906	# map plan:
1325	#	1907	#
…		…
1340	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1341	$path = "$base/$path";	1923	$path = "$base/$path";
1342	}	1924	}
1343		1925
1344	for ($path) {	1926	for ($path) {
1345	redo if s{//}{/};
1346	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1347	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1348	}	1929	}
1349		1930
1350	$path	1931	$path
…		…
1364	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1365	return $self;	1946	return $self;
1366	}	1947	}
1367	}	1948	}
1368		1949
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	1951	()
1371	}	1952	}
1372		1953
1373	sub init {	1954	sub init {
1374	my ($self) = @_;	1955	my ($self) = @_;
…		…
1396		1977
1397	# the temporary/swap location	1978	# the temporary/swap location
1398	sub save_path {	1979	sub save_path {
1399	my ($self) = @_;	1980	my ($self) = @_;
1400		1981
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1403	}	1984	}
1404		1985
1405	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1406	sub uniq_path {	1987	sub uniq_path {
1407	my ($self) = @_;	1988	my ($self) = @_;
1408		1989
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1411	}	1992	}
1412		1993
1413	# and all this just because we cannot iterate over	1994	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1995	my ($self) = @_;
1417		1996
1418	$_->change_map_light ($change)	1997	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1998
		1999	$self->do_decay_objects;
1420	}	2000	}
1421		2001
1422	sub unlink_save {	2002	sub unlink_save {
1423	my ($self) = @_;	2003	my ($self) = @_;
1424		2004
…		…
1429		2009
1430	sub load_header_from($) {	2010	sub load_header_from($) {
1431	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1432		2012
1433	utf8::encode $path;	2013	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1439		2022
1440	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1441		2024
1442	1	2025	1
1443	}	2026	}
…		…
1482	$self->load_header_orig	2065	$self->load_header_orig
1483	or return;	2066	or return;
1484	$self->prepare_orig;	2067	$self->prepare_orig;
1485	}	2068	}
1486		2069
		2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
		2072
1487	$self->default_region (cf::region::find_by_path $self->{path})	2073	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2074	unless $self->default_region;
1489		2075
1490	1	2076	1
1491	}	2077	}
1492		2078
1493	sub find;	2079	sub find;
1494	sub find {	2080	sub find {
1495	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1496		2082
		2083	cf::cede_to_tick;
		2084
1497	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1498		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2089
1501	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1504	or return;	2092	or return;
1505		2093
1506	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1507		2095
1508	$map->load_header	2096	$map->load_header
1509	or return;	2097	or return;
1510		2098
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1514	$map->reset;	2104	$map->reset;
1515	undef $guard;
1516	return find $path;	2105	return find $path;
1517	}	2106	}
1518		2107
1519	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1520	}	2109	}
1521	}	2110	}
1522		2111
1523	sub pre_load { }	2112	sub pre_load { }
1524	sub post_load { }	2113	#sub post_load { } # XS
1525		2114
1526	sub load {	2115	sub load {
1527	my ($self) = @_;	2116	my ($self) = @_;
1528		2117
1529	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1530		2119
1531	my $path = $self->{path};	2120	my $path = $self->{path};
1532		2121
1533	{	2122	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1535		2124
		2125	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2127
1538	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1539		2129
1540	$self->alloc;	2130	$self->alloc;
1541		2131
1542	$self->pre_load;	2132	$self->pre_load;
1543	Coro::cede;	2133	cf::cede_to_tick;
1544		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1546	or return;	2138	or return;
1547		2139
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1549	if delete $self->{load_original};	2141	if delete $self->{load_original};
1550		2142
1551	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2144	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2147	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1556	}	2151	}
1557	}	2152	}
1558		2153
1559	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1560	# now do the right thing for maps	2157	# now do the right thing for maps
1561	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2160	unless $self->difficulty;
1564	Coro::cede;	2161	cf::cede_to_tick;
1565		2162
1566	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2164	$self->decay_objects;
1568	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1569	$self->update_buttons;	2166	$self->update_buttons;
1570	Coro::cede;	2167	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2168	$self->activate;
1574	}	2169	}
1575		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2175	}
1578		2176
1579	$self->post_load;	2177	$self->post_load;
1580	}
1581		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2185	sub customise_for {
1583	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1584		2187
1585	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2189	if $self->per_player;
1587		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
1588	$self	2194	$self
1589	}	2195	}
1590		2196
1591	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2198	sub load_neighbours {
1593	my ($map) = @_;	2199	my ($map) = @_;
1594		2200
1595	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1596		2202
1597	for (0 .. 3) {	2203	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1599	or next;	2205	or next;
1600	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1601	or next;	2207	or next;
1602	$neigh->load;	2208	$neigh->load;
1603		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2214	}
1607		2215
1608	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1610	or next;	2219	or next;
1611	$neigh->load;	2220	$neigh->load;
1612	}	2221	}
1613	}	2222	}
1614		2223
1615	sub find_sync {	2224	sub find_sync {
1616	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1617		2226
1618	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1619	}	2231	}
1620		2232
1621	sub do_load_sync {	2233	sub do_load_sync {
1622	my ($map) = @_;	2234	my ($map) = @_;
1623		2235
1624	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1625	}	2240	}
1626		2241
1627	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1629		2244
1630	sub find_async {	2245	sub find_async {
1631	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1632		2247
1633	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1634		2249
1635	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2252	}
1638		2253
1639	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1640	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1641	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2261	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2262	$map->load if $v;
		2263	}
1646		2264
1647	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1648	}	2266	}
1649	}	2267	}
1650	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1651	};	2269	};
1652	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1653		2271
1654	()	2272	()
1655	}	2273	}
1656		2274
		2275	# common code, used by both ->save and ->swapout
1657	sub save {	2276	sub _save {
1658	my ($self) = @_;	2277	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2278
1662	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1663		2280
1664	return unless $self->dirty;	2281	return unless $self->dirty;
1665		2282
…		…
1671	return if $self->{deny_save};	2288	return if $self->{deny_save};
1672		2289
1673	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1674		2291
1675	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1677	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1678		2298
1679	if ($uniq) {	2299	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2302	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2304	}
1685	}	2305	}
1686		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1687	sub swap_out {	2315	sub swap_out {
1688	my ($self) = @_;	2316	my ($self) = @_;
1689		2317
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1695	return if $self->players;	2322	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1699	$self->clear;	2333	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2334	}
1702		2335
1703	sub reset_at {	2336	sub reset_at {
1704	my ($self) = @_;	2337	my ($self) = @_;
1705		2338
1706	# TODO: safety, remove and allow resettable per-player maps	2339	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2340	return 1e99 if $self->{deny_reset};
1709		2341
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2344
…		…
1723	my ($self) = @_;	2355	my ($self) = @_;
1724		2356
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2358
1727	return if $self->players;	2359	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2360
1730	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
1731		2362
1732	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1733		2364
1734	# need to save uniques path	2365	# need to save uniques path
1735	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2370	if $uniq;
1740	}	2371	}
1741		2372
1742	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1743		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2377	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2378
1748	$self->unlink_save;	2379	$self->unlink_save;
1749	$self->destroy;	2380	$self->destroy;
1750	}	2381	}
1751		2382
1752	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1753		2384
1754	sub nuke {	2385	sub nuke {
1755	my ($self) = @_;	2386	my ($self) = @_;
1756		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
1757	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
1758		2392
1759	$self->unlink_save;	2393	$self->unlink_save;
1760		2394
1761	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2400
1767	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
1768		2403
1769	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
		2405	}
		2406
		2407	=item $maps = cf::map::tmp_maps
		2408
		2409	Returns an arrayref with all map paths of currently instantiated and saved
		2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
		2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
		2424
		2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
1770	}	2441	}
1771		2442
1772	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1773		2444
1774	Returns an arrayref of paths of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2446	instantiated unique items. May block.
1776		2447
1777	=cut	2448	=cut
1778		2449
1779	sub unique_maps() {	2450	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2451	[
1781	or return;	2452	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2453	utf8::decode $_;
1787	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2456	? ()
1790	push @paths, cf::map::normalise $_;	2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2459	]
1792
1793	\@paths
1794	}	2460	}
1795		2461
1796	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1797		2493
1798	=back	2494	=back
1799		2495
1800	=head3 cf::object	2496	=head3 cf::object
1801		2497
…		…
1805		2501
1806	=over 4	2502	=over 4
1807		2503
1808	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1809		2505
1810	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1811		2508
1812	=cut	2509	=cut
1813		2510
1814	sub inv_recursive_;	2511	sub inv_recursive_;
1815	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1818		2515
1819	sub inv_recursive {	2516	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1821	}	2518	}
1822		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1823	package cf;	2548	package cf;
1824		2549
1825	=back	2550	=back
1826		2551
1827	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1836		2561
1837	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1838		2577
1839	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2579	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1844		2583
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2585
1847	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1849	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1852	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1853	}	2611	}
1854		2612
1855	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1856		2614
1857	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1870		2628
1871	=item $player_object->enter_link	2629	=item $player_object->enter_link
1872		2630
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2632
1875	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
1877		2637
1878	Will never block.	2638	Will never block.
1879		2639
1880	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1881		2641
…		…
1901	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2662	my ($self) = @_;
1903		2663
1904	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1905		2665
		2666	++$self->{_link_recursion};
		2667
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2669
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1910		2672
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2674	}
1913		2675
1914	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1916		2680
1917	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1918		2682
1919	unless ($map) {	2683	unless ($map) {
1920	# restore original map position	2684	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1933		2697
1934	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1937		2701
1938	$map->load;	2702	$map->load;
1939	$map->load_diag;	2703	$map->load_neighbours;
1940		2704
1941	return unless $self->contr->active;	2705	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2706
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
1946	}	2709	# entering was successful
1947		2710	delete $self->{_link_recursion};
1948	cf::player->attach (	2711	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2712	$self->activate_recursive;
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},	2713	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2714
1962	# try to abort aborted map switching on player login :)	2715	}
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2716
1980	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		2718
		2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
1982	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1983		2731
1984	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2743
1987	$self->enter_link;	2744	$self->enter_link;
1988		2745
1989	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
1990	my $map = eval {	2768	my $map = eval {
1991	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
		2774	} else {
		2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
		2777
1993	$map	2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2784	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1998	})->prio (1);	2792	})->prio (1);
1999	}	2793	}
2000		2794
2001	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
2002		2796
…		…
2022	}	2816	}
2023		2817
2024	sub prepare_random_map {	2818	sub prepare_random_map {
2025	my ($exit) = @_;	2819	my ($exit) = @_;
2026		2820
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2823	# that depends on the exit object
2032		2824
2033	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2827	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2040	}	2834	}
2041		2835
2042	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2043		2837
2044	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2047		2841
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2844	undef $fh;
2051	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2052		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2055	}	2853	}
2056	}	2854	}
2057		2855
2058	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2060		2858
2061	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2062		2860
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2861	$self->enter_link;
2075		2862
2076	(async {	2863	(async {
2077	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2078	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2079	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2080		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2081	1;	2887	1
2082	}) {	2888	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2893
2088	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2089	$self->leave_link;	2895	$self->leave_link;
2090	}	2896	}
2091	})->prio (1);	2897	})->prio (1);
2092	}	2898	}
2093		2899
…		…
2107		2913
2108	utf8::encode $text;	2914	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2916	}
2111		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2112	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2113		3106
2114	Sends an exti event to the client.	3107	Sends an ext event to the client.
2115		3108
2116	=cut	3109	=cut
2117		3110
2118	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2120		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
2123	}	3138	}
2124		3139
2125	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2126		3141
2127	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		3145
2131	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	3147	become reliable at some point in the future.
2133		3148
2134	=cut	3149	=cut
2135		3150
2136	sub cf::client::query {	3151	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3160	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3162
2148	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
2150	}	3167	}
2151		3168
2152	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
2153	on_reply => sub {	3175	on_reply => sub {
2154	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
2155		3177
2156	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
2157	# get handled first	3179	# get handled first
…		…
2169	} else {	3191	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3193	}
2172	}	3194	}
2173	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
2174	);	3222	);
2175		3223
2176	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
2177		3225
2178	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3242
2195	$coro	3243	$coro
2196	}	3244	}
2197		3245
2198	cf::client->attach (	3246	cf::client->attach (
2199	on_destroy => sub {	3247	on_client_destroy => sub {
2200	my ($ns) = @_;	3248	my ($ns) = @_;
2201		3249
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3251	},
2204	);	3252	);
…		…
2219	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2221		3269
2222	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2223		3271
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2225		3277
2226	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2227		3279
2228	=pod	3280	=pod
2229		3281
2230	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2231		3283
2232	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2233	cf::object::player player	3289	cf::object::player
2234	cf::player peaceful	3290	player
2235	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2236		3297
2237	=cut	3298	=cut
2238		3299
2239	for (	3300	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2244	) {	3307	) {
2245	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2248	for @funs;	3310	for @funs;
2249	}	3311	}
2250		3312
…		…
2265		3327
2266	my $qcode = $code;	3328	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2269		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2270	local $_;	3335	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3336
2273	my $eval =	3337	my $eval =
2274	"do {\n"	3338	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3341	. $code
2278	. "\n}"	3342	. "\n}"
2279	;	3343	;
2280		3344
		3345	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2284		3354
2285	if ($@) {	3355	if ($@) {
2286	warn "$@";	3356	warn "$@",
2287	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2288	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2289	}	3359	}
2290		3360
2291	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2292	}	3362	}
2293		3363
…		…
2307	=cut	3377	=cut
2308		3378
2309	sub register_script_function {	3379	sub register_script_function {
2310	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2311		3381
2312	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2314	}	3384	}
2315		3385
2316	=back	3386	=back
2317		3387
2318	=cut	3388	=cut
2319
2320	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493		3389
2494	#############################################################################	3390	#############################################################################
2495	# the server's init and main functions	3391	# the server's init and main functions
2496		3392
2497	sub load_facedata($) {	3393	sub load_facedata($) {
2498	my ($path) = @_;	3394	my ($path) = @_;
2499		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2500	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2501		3403
2502	my $facedata;
2503	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2504	or die "$path: $!";	3405	or die "$path: $!";
2505		3406
2506	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2507		3408
2508	$facedata->{version} == 2	3409	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
2511	{	3421	{
2512	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2513		3423
2514	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3431	cf::face::set_data $idx, 2, "-", chr $idx & 255;
		3432
		3433	cf::cede_to_tick;
2520	}	3434	}
2521		3435
2522	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3437	next unless $info->{smooth};
		3438
2524	my $idx = cf::face::find $face	3439	my $idx = cf::face::find $face
2525	or next;	3440	or next;
		3441
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3442	if (my $smooth = cf::face::find $info->{smooth}) {
		3443	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3445	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3446	error "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3447	}
2531	Coro::cede;	3448
		3449	cf::cede_to_tick;
2532	}	3450	}
2533	}	3451	}
2534		3452
2535	{	3453	{
2536	my $anims = $facedata->{animinfo};	3454	my $anims = $facedata->{animinfo};
2537		3455
2538	while (my ($anim, $info) = each %$anims) {	3456	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3458	cf::cede_to_tick;
2541	}	3459	}
2542		3460
2543	cf::anim::invalidate_all; # d'oh	3461	cf::anim::invalidate_all; # d'oh
2544	}	3462	}
2545		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
2546	1	3483	1
2547	}	3484	}
2548		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
2549	sub reload_regions {	3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
2550	load_resource_file "$MAPDIR/regions"	3509	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3510	or die "unable to load regions file\n";
		3511
		3512	for (cf::region::list) {
		3513	$_->{match} = qr/$_->{match}/
		3514	if exists $_->{match};
		3515	}
2552	}	3516	}
2553		3517
2554	sub reload_facedata {	3518	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3519	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3520	or die "unable to load facedata\n";
…		…
2564	sub reload_treasures {	3528	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3529	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3530	or die "unable to load treasurelists\n";
2567	}	3531	}
2568		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
2569	sub reload_resources {	3556	sub reload_resources {
2570	warn "reloading resource files...\n";	3557	trace "reloading resource files...\n";
2571		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
2572	reload_regions;	3564	reload_regions;
2573	reload_facedata;
2574	reload_archetypes;
2575	reload_treasures;	3565	reload_treasures;
2576		3566
2577	warn "finished reloading resource files\n";	3567	trace "finished reloading resource files\n";
2578	}	3568	}
2579		3569
2580	sub init {	3570	sub reload_config {
2581	reload_resources;	3571	trace "reloading config file...\n";
2582	}
2583		3572
2584	sub cfg_load {	3573	0 < aio_load "$CONFDIR/config", my $config
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3574	or die "$CONFDIR/config: $!";
2586	or return;
2587		3575
2588	local $/;	3576	utf8::decode $config;
2589	*CFG = YAML::Syck::Load <$fh>;	3577	*CFG = yaml_load $config;
2590		3578
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2592		3580
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595		3583
2596	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2600	};	3588	};
2601	warn $@ if $@;	3589	warn $@ if $@;
2602	}	3590	}
2603	}	3591	}
2604		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2605	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2606	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3634	(async {
2610	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2612	};	3638	};
2613		3639
2614	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2615	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2616	load_extensions;	3663	load_extensions;
2617		3664
2618	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2620	}	3683	}
2621		3684
2622	#############################################################################	3685	#############################################################################
2623	# initialisation and cleanup	3686	# initialisation and cleanup
2624		3687
2625	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2626	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2635	},
2636	);	3694	};
		3695	}
		3696	}
		3697
		3698	sub write_runtime_sync {
		3699	my $t0 = AE::time;
		3700
		3701	# first touch the runtime file to show we are still running:
		3702	# the fsync below can take a very very long time.
		3703
		3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3705
		3706	my $guard = cf::lock_acquire "write_runtime";
		3707
		3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3709	or return;
		3710
		3711	my $value = $cf::RUNTIME + 90 + 10;
		3712	# 10 is the runtime save interval, for a monotonic clock
		3713	# 60 allows for the watchdog to kill the server.
		3714
		3715	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3716	and return;
		3717
		3718	# always fsync - this file is important
		3719	aio_fsync $fh
		3720	and return;
		3721
		3722	# touch it again to show we are up-to-date
		3723	aio_utime $fh, undef, undef;
		3724
		3725	close $fh
		3726	or return;
		3727
		3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3729	and return;
		3730
		3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3732
2637	}	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2638	}	3784	}
2639		3785
2640	sub emergency_save() {	3786	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2642		3788
2643	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2644		3795
2645	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2646	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3807	$pl->save;
2654	}	3808	}
2655	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2656		3810
2657	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3816	$map->valid or next;
2661	$map->save;	3817	$map->save;
2662	}	3818	}
2663	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
2664		3820
2665	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2668	};	3849	};
2669		3850
2670	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2671	}	3852	}
2672		3853
2673	sub post_cleanup {	3854	sub post_cleanup {
2674	my ($make_core) = @_;	3855	my ($make_core) = @_;
2675		3856
		3857	IO::AIO::flush;
		3858
2676	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
2678	}	3889	}
2679		3890
2680	sub do_reload_perl() {	3891	sub do_reload_perl() {
2681	# can/must only be called in main	3892	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2683	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
2684	return;	3895	return;
2685	}	3896	}
2686		3897
2687	warn "reloading...";	3898	return if $RELOAD++;
2688		3899
2689	warn "entering sync_job";	3900	my $t1 = AE::time;
2690		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
2691	cf::sync_job {	3908	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark
2693	cf::emergency_save;	3909	#cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark
2695		3910
2696	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;
2698
2699	# if anything goes wrong in here, we should simply crash as we already saved
2700
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();	3913	%EXT_CORO = ();
2720		3914
2721	warn "removing commands";	3915	trace "perl_reload: removing commands";
2722	%COMMAND = ();	3916	%COMMAND = ();
2723		3917
2724	warn "removing ext commands";	3918	trace "perl_reload: removing ext/exti commands";
2725	%EXTCMD = ();	3919	%EXTCMD = ();
		3920	%EXTICMD = ();
2726		3921
2727	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
2730		3925
2731	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
2732	eval {	3927	eval {
2733	$cb->($pkg);	3928	$cb->($pkg);
2734	1	3929	1
2735	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2736	}	3935	}
2737		3936
2738	warn "... nuking $pkg";
2739	Symbol::delete_package $pkg;
2740	}
2741
2742	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2743	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3940
2746	warn "... unloading $k";	3941	trace "... unloading $k";
2747	delete $INC{$k};	3942	delete $INC{$k};
2748		3943
2749	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
2751		3946
2752	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
2753	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
2754	}	3952	}
2755		3953
2756	Symbol::delete_package $k;
2757	}
2758
2759	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3957
2763	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		3961
2767	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3963	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
2770		3965
2771	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
2772		3967
2773	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
2774	require cf;	3969	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
2776		3971
2777	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
2778	cf::cfg_load;	3973	cf::reload_config;
2779		3974
2780	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
2781	cf::load_extensions;	3976	cf::load_extensions;
2782		3977
		3978	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
2789		3986
2790	warn "leaving sync_job";	3987	cf::_post_init 1;
2791		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
2792	1	3991	1
2793	} or do {	3992	} or do {
2794	warn $@;	3993	error $@;
2795	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
2796	exit 1;	3995	};
		3996
		3997	--$RELOAD;
2797	};	3998	}
2798		3999
2799	warn "reloaded";	4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
2800	};	4002	};
2801		4003
2802	our $RELOAD_WATCHER; # used only during reload	4004	our $RELOAD_WATCHER; # used only during reload
2803		4005
2804	sub reload_perl() {	4006	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	4007	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	4008	# coro crashes during coro_state_free->destroy here.
2807		4009
2808	$RELOAD_WATCHER ||= Event->timer (	4010	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	4011	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	4012
2811	data => WF_AUTOCANCEL,	4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	4014	do_reload_perl;
2814	undef $RELOAD_WATCHER;	4015	undef $RELOAD_WATCHER;
2815	},	4016	};
2816	);	4017	};
2817	}	4018	}
2818		4019
2819	register_command "reload" => sub {	4020	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
2821		4022
2822	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	4027	reload_perl;
		4028	};
2825	}	4029	}
2826	};	4030	};
2827		4031
2828	unshift @INC, $LIBDIR;	4032	#############################################################################
2829		4033
2830	my $bug_warning = 0;	4034	my $bug_warning = 0;
2831		4035
2832	our @WAIT_FOR_TICK;	4036	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	4037	our @WAIT_FOR_TICK_BEGIN;
2834		4038
2835	sub wait_for_tick {	4039	sub wait_for_tick() {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4041
2839	my $signal = new Coro::Signal;	4042	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	4043	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	4044	$signal->wait;
2842	}	4045	}
2843		4046
2844	sub wait_for_tick_begin {	4047	sub wait_for_tick_begin() {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2847		4049
2848	my $signal = new Coro::Signal;	4050	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	4051	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	4052	$signal->wait;
2851	}	4053	}
2852		4054
2853	$TICK_WATCHER = Event->timer (	4055	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
2863	return;	4059	return;
2864	}	4060	}
2865		4061
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
2869		4063
2870	$RUNTIME += $TICK;	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2871	$NEXT_TICK += $TICK;
2872		4065
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	4068	Coro::async_pool {
		4069	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	4070	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	4071	or error "ERROR: unable to write runtime file: $!";
2878	};
2879	}	4072	};
		4073	}
2880		4074
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	4076	$sig->send;
2886	}	4077	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	4078	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	4079	$sig->send;
2889	}	4080	}
2890		4081
2891	$NOW = Event::time;	4082	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		4084
2902	_post_tick;	4085	if (0) {
2903		4086	if ($NEXT_TICK) {
2904		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
2905	},	4091	}
2906	);	4092	}
2907		4093
2908	{	4094	{
2909	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	4096
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
2919		4098	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		4100
2935	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		4108
2938	cf::sync_job {	4109	cf::sync_job {
2939	eval {	4110	eval {
2940	BDB::db_env_open	4111	BDB::db_env_open
2941	$DB_ENV,	4112	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4116	0666;
2946		4117
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	4119	};
2952		4120
2953	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4122	};
2955	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
2956	}	4134	}
2957		4135
2958	{	4136	{
		4137	# configure IO::AIO
		4138
2959	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	4142	}
2972		4143
2973	my $_log_backtrace;	4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
2974		4146
2975	sub _log_backtrace {	4147	sub _log_backtrace {
2976	my ($msg, @addr) = @_;	4148	my ($msg, @addr) = @_;
2977		4149
2978	$msg =~ s/\n//;	4150	$msg =~ s/\n$//;
2979		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2980	# limit the # of concurrent backtraces	4155	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
2982	++$_log_backtrace;	4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
2983	async {	4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
2984	my @bt = fork_call {	4163	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4164	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	4167	or die "addr2line: $!";
…		…
2996	}	4175	}
2997		4176
2998	@funcs	4177	@funcs
2999	};	4178	};
3000		4179
3001	LOG llevInfo, "[ABT] $msg\n";	4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4182	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4183	--$_log_backtrace;
3004	};	4184	};
3005	} else {	4185	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3008	}	4188	}
3009	}	4189	}
3010		4190
3011	# load additional modules	4191	# load additional modules
3012	use cf::pod;	4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
3013		4194
3014	END { cf::emergency_save }	4195	END { cf::emergency_save }
3015		4196
3016	1	4197	1
3017		4198

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