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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use 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) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1268	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1867	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
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}	1869	(cf::region::find $rmp->{region})
1281	)	1870	)
1282	}	1871	}
1283		1872
1284	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1285		1874
…		…
1291		1880
1292	sub register {	1881	sub register {
1293	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	1883	my $pkg = caller;
1295		1884
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		1886
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1888	}
1301		1889
1302	# also paths starting with '/'	1890	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1892
1305	sub thawer_merge {	1893	sub thawer_merge {
1306	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1307		1895
1308	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
1309	local $self->{path};	1897	local $self->{path};
1310	local $self->{load_path};	1898	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1899
1314	$self->SUPER::thawer_merge ($merge);	1900	$self->SUPER::thawer_merge ($merge);
1315	}	1901	}
1316		1902
1317	sub normalise {	1903	sub normalise {
1318	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1319		1905
1320	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
1321		1907
1322	$path =~ s/\.map$//;	1908	$path =~ s/\.map$//;
1323		1909
1324	# map plan:	1910	# map plan:
1325	#	1911	#
…		…
1340	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1341	$path = "$base/$path";	1927	$path = "$base/$path";
1342	}	1928	}
1343		1929
1344	for ($path) {	1930	for ($path) {
1345	redo if s{//}{/};
1346	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1347	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1348	}	1933	}
1349		1934
1350	$path	1935	$path
…		…
1364	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1365	return $self;	1950	return $self;
1366	}	1951	}
1367	}	1952	}
1368		1953
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	1955	()
1371	}	1956	}
1372		1957
1373	sub init {	1958	sub init {
1374	my ($self) = @_;	1959	my ($self) = @_;
…		…
1396		1981
1397	# the temporary/swap location	1982	# the temporary/swap location
1398	sub save_path {	1983	sub save_path {
1399	my ($self) = @_;	1984	my ($self) = @_;
1400		1985
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1987	"$TMPDIR/$path.map"
1403	}	1988	}
1404		1989
1405	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1406	sub uniq_path {	1991	sub uniq_path {
1407	my ($self) = @_;	1992	my ($self) = @_;
1408		1993
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1995	"$UNIQUEDIR/$path"
1411	}	1996	}
1412		1997
1413	# and all this just because we cannot iterate over	1998	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1999	my ($self) = @_;
1417		2000
1418	$_->change_map_light ($change)	2001	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	2002
		2003	$self->do_decay_objects;
1420	}	2004	}
1421		2005
1422	sub unlink_save {	2006	sub unlink_save {
1423	my ($self) = @_;	2007	my ($self) = @_;
1424		2008
…		…
1429		2013
1430	sub load_header_from($) {	2014	sub load_header_from($) {
1431	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1432		2016
1433	utf8::encode $path;	2017	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2019	or return;
		2020
		2021	$self->_load_header ($f)
		2022	or return;
		2023
		2024	local $MAP_LOADING{$self->{path}} = $self;
		2025	$f->resolve_delayed_derefs;
1439		2026
1440	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1441		2028
1442	1	2029	1
1443	}	2030	}
…		…
1482	$self->load_header_orig	2069	$self->load_header_orig
1483	or return;	2070	or return;
1484	$self->prepare_orig;	2071	$self->prepare_orig;
1485	}	2072	}
1486		2073
		2074	$self->{deny_reset} = 1
		2075	if $self->no_reset;
		2076
1487	$self->default_region (cf::region::find_by_path $self->{path})	2077	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2078	unless $self->default_region;
1489		2079
1490	1	2080	1
1491	}	2081	}
1492		2082
1493	sub find;	2083	sub find;
1494	sub find {	2084	sub find {
1495	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1496		2086
		2087	cf::cede_to_tick;
		2088
1497	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1498		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2093
1501	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1504	or return;	2096	or return;
1505		2097
1506	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1507		2099
1508	$map->load_header	2100	$map->load_header
1509	or return;	2101	or return;
1510		2102
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2104	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1514	$map->reset;	2108	$map->reset;
1515	undef $guard;
1516	return find $path;	2109	return find $path;
1517	}	2110	}
1518		2111
1519	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1520	}	2113	}
1521	}	2114	}
1522		2115
1523	sub pre_load { }	2116	sub pre_load { }
1524	sub post_load { }	2117	#sub post_load { } # XS
1525		2118
1526	sub load {	2119	sub load {
1527	my ($self) = @_;	2120	my ($self) = @_;
1528		2121
1529	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
1530		2123
1531	my $path = $self->{path};	2124	my $path = $self->{path};
1532		2125
1533	{	2126	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1535		2128
		2129	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2131
1538	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1539		2133
1540	$self->alloc;	2134	$self->alloc;
1541		2135
1542	$self->pre_load;	2136	$self->pre_load;
1543	Coro::cede;	2137	cf::cede_to_tick;
1544		2138
		2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2141	$self->_load_objects ($f)
1546	or return;	2142	or return;
1547		2143
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1549	if delete $self->{load_original};	2145	if delete $self->{load_original};
1550		2146
1551	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2148	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2151	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1556	}	2155	}
1557	}	2156	}
1558		2157
1559	Coro::cede;	2158	$f->resolve_delayed_derefs;
		2159
		2160	cf::cede_to_tick;
1560	# now do the right thing for maps	2161	# now do the right thing for maps
1561	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2164	unless $self->difficulty;
1564	Coro::cede;	2165	cf::cede_to_tick;
1565		2166
1566	unless ($self->{deny_activate}) {	2167	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2168	$self->decay_objects;
1568	$self->fix_auto_apply;	2169	$self->fix_auto_apply;
1569	$self->update_buttons;	2170	$self->update_buttons;
1570	Coro::cede;	2171	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2172	$self->activate;
1574	}	2173	}
1575		2174
		2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
		2177
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2178	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2179	}
1578		2180
1579	$self->post_load;	2181	$self->post_load;
1580	}
1581		2182
		2183	1
		2184	}
		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2189	sub customise_for {
1583	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1584		2191
1585	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2193	if $self->per_player;
1587		2194
		2195	# return find "?party/" . $ob->name . "/" . $self->{path}
		2196	# if $self->per_party;
		2197
1588	$self	2198	$self
1589	}	2199	}
1590		2200
1591	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2202	sub load_neighbours {
1593	my ($map) = @_;	2203	my ($map) = @_;
1594		2204
1595	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1596		2206
1597	for (0 .. 3) {	2207	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1599	or next;	2209	or next;
1600	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1601	or next;	2211	or next;
1602	$neigh->load;	2212	$neigh->load;
1603		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2218	}
1607		2219
1608	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1610	or next;	2223	or next;
1611	$neigh->load;	2224	$neigh->load;
1612	}	2225	}
1613	}	2226	}
1614		2227
1615	sub find_sync {	2228	sub find_sync {
1616	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1617		2230
1618	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1619	}	2235	}
1620		2236
1621	sub do_load_sync {	2237	sub do_load_sync {
1622	my ($map) = @_;	2238	my ($map) = @_;
1623		2239
1624	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1625	}	2244	}
1626		2245
1627	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
1629		2248
1630	sub find_async {	2249	sub find_async {
1631	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1632		2251
1633	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
1634		2253
1635	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2256	}
1638		2257
1639	undef $MAP_PREFETCH{$path};	2258	$MAP_PREFETCH{$path} |= $load;
		2259
1640	$MAP_PREFETCHER ||= cf::async {	2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
1641	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2265	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2266	$map->load if $v;
		2267	}
1646		2268
1647	delete $MAP_PREFETCH{$path};	2269	delete $MAP_PREFETCH{$k};
1648	}	2270	}
1649	}	2271	}
1650	undef $MAP_PREFETCHER;	2272	undef $MAP_PREFETCHER;
1651	};	2273	};
1652	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
1653		2275
1654	()	2276	()
1655	}	2277	}
1656		2278
		2279	# common code, used by both ->save and ->swapout
1657	sub save {	2280	sub _save {
1658	my ($self) = @_;	2281	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2282
1662	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1663		2284
1664	return unless $self->dirty;	2285	return unless $self->dirty;
1665		2286
…		…
1671	return if $self->{deny_save};	2292	return if $self->{deny_save};
1672		2293
1673	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
1674		2295
1675	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
1677	};	2299	};
		2300
		2301	cf::get_slot 0.02;
1678		2302
1679	if ($uniq) {	2303	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2306	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2308	}
1685	}	2309	}
1686		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
1687	sub swap_out {	2319	sub swap_out {
1688	my ($self) = @_;	2320	my ($self) = @_;
1689		2321
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1695	return if $self->players;	2326	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
1699	$self->clear;	2337	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2338	}
1702		2339
1703	sub reset_at {	2340	sub reset_at {
1704	my ($self) = @_;	2341	my ($self) = @_;
1705		2342
1706	# TODO: safety, remove and allow resettable per-player maps	2343	# 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};	2344	return 1e99 if $self->{deny_reset};
1709		2345
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2346	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2347	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2348
…		…
1723	my ($self) = @_;	2359	my ($self) = @_;
1724		2360
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2362
1727	return if $self->players;	2363	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2364
1730	warn "resetting map ", $self->path;#d#	2365	cf::trace "resetting map ", $self->path, "\n";
1731		2366
1732	$self->in_memory (cf::MAP_SWAPPED);	2367	$self->in_memory (cf::MAP_SWAPPED);
1733		2368
1734	# need to save uniques path	2369	# need to save uniques path
1735	unless ($self->{deny_save}) {	2370	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2374	if $uniq;
1740	}	2375	}
1741		2376
1742	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
1743		2378
		2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2381	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2382
1748	$self->unlink_save;	2383	$self->unlink_save;
1749	$self->destroy;	2384	$self->destroy;
1750	}	2385	}
1751		2386
1752	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
1753		2388
1754	sub nuke {	2389	sub nuke {
1755	my ($self) = @_;	2390	my ($self) = @_;
1756		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
1757	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
1758		2396
1759	$self->unlink_save;	2397	$self->unlink_save;
1760		2398
1761	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2404
1767	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
1768		2407
1769	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
		2409	}
		2410
		2411	=item $maps = cf::map::tmp_maps
		2412
		2413	Returns an arrayref with all map paths of currently instantiated and saved
		2414	maps. May block.
		2415
		2416	=cut
		2417
		2418	sub tmp_maps() {
		2419	[
		2420	map {
		2421	utf8::decode $_;
		2422	/\.map$/
		2423	? normalise $_
		2424	: ()
		2425	} @{ aio_readdir $TMPDIR or [] }
		2426	]
		2427	}
		2428
		2429	=item $maps = cf::map::random_maps
		2430
		2431	Returns an arrayref with all map paths of currently instantiated and saved
		2432	random maps. May block.
		2433
		2434	=cut
		2435
		2436	sub random_maps() {
		2437	[
		2438	map {
		2439	utf8::decode $_;
		2440	/\.map$/
		2441	? normalise "?random/$_"
		2442	: ()
		2443	} @{ aio_readdir $RANDOMDIR or [] }
		2444	]
1770	}	2445	}
1771		2446
1772	=item cf::map::unique_maps	2447	=item cf::map::unique_maps
1773		2448
1774	Returns an arrayref of paths of all shared maps that have	2449	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2450	instantiated unique items. May block.
1776		2451
1777	=cut	2452	=cut
1778		2453
1779	sub unique_maps() {	2454	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2455	[
1781	or return;	2456	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2457	utf8::decode $_;
1787	next if /\.pst$/;	2458	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2460	? ()
1790	push @paths, cf::map::normalise $_;	2461	: normalise $_
		2462	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2463	]
1792
1793	\@paths
1794	}	2464	}
1795		2465
1796	package cf;	2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
		2487	s/\.map$// or next;
		2488	utf8::decode $_;
		2489	push @maps, "$dir/$_";
		2490	}
		2491
		2492	push @dirs, map "$dir/$_", @$dirs;
		2493	}
		2494
		2495	\@maps
		2496	}
1797		2497
1798	=back	2498	=back
1799		2499
1800	=head3 cf::object	2500	=head3 cf::object
1801		2501
…		…
1805		2505
1806	=over 4	2506	=over 4
1807		2507
1808	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
1809		2509
1810	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
1811		2512
1812	=cut	2513	=cut
1813		2514
1814	sub inv_recursive_;	2515	sub inv_recursive_;
1815	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
1818		2519
1819	sub inv_recursive {	2520	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
1821	}	2522	}
1822		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
1823	package cf;	2552	package cf;
1824		2553
1825	=back	2554	=back
1826		2555
1827	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2563	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
1836		2565
1837	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
1838		2581
1839	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2583	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
1844		2587
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2588	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2589
1847	if ($self->{record_replies}) {	2590	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2591	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2592
1849	} else {	2593	} else {
		2594	my $pl = $self->contr;
		2595
		2596	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2597	my $dialog = $pl->{npc_dialog};
		2598	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2599
		2600	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2603	}
1852	}	2604	}
		2605	}
		2606
		2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2608
		2609	=cut
		2610
		2611	sub cf::object::send_msg {
		2612	my $pl = shift->contr
		2613	or return;
		2614	$pl->send_msg (@_);
1853	}	2615	}
1854		2616
1855	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
1856		2618
1857	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
1870		2632
1871	=item $player_object->enter_link	2633	=item $player_object->enter_link
1872		2634
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2636
1875	The player should be reasonably safe there for short amounts of time. You	2637	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
1877		2641
1878	Will never block.	2642	Will never block.
1879		2643
1880	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
1881		2645
…		…
1901	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2666	my ($self) = @_;
1903		2667
1904	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
1905		2669
		2670	++$self->{_link_recursion};
		2671
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2673
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map && $self->map->{path} ne "{link}";	2675	if $self->map && $self->map->{path} ne "{link}";
1910		2676
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2678	}
1913		2679
1914	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
1916		2682
…		…
1933	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
1934	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
1935		2701
1936	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
1939		2705
1940	$map->load;	2706	$map->load;
1941	$map->load_diag;	2707	$map->load_neighbours;
1942		2708
1943	return unless $self->contr->active;	2709	return unless $self->contr->active;
1944	$self->activate_recursive;
1945		2710
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2712	if ($self->enter_map ($map, $x, $y)) {
1948	}	2713	# entering was successful
		2714	delete $self->{_link_recursion};
		2715	# only activate afterwards, to support waiting in hooks
		2716	$self->activate_recursive;
		2717	}
1949		2718
		2719	}
		2720
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1951		2722
1952	Moves the player to the given map-path and coordinates by first freezing	2723	Moves the player to the given map-path and coordinates by first freezing
1953	her, loading and preparing them map, calling the provided $check callback	2724	her, loading and preparing them map, calling the provided $check callback
1954	that has to return the map if sucecssful, and then unfreezes the player on	2725	that has to return the map if sucecssful, and then unfreezes the player on
1955	the new (success) or old (failed) map position.	2726	the new (success) or old (failed) map position. In either case, $done will
		2727	be called at the end of this process.
		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
1956		2731
1957	=cut	2732	=cut
1958		2733
1959	our $GOTOGEN;	2734	our $GOTOGEN;
1960		2735
1961	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
1963		2744
1964	# do generation counting so two concurrent goto's will be executed in-order	2745	# do generation counting so two concurrent goto's will be executed in-order
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2747
1967	$self->enter_link;	2748	$self->enter_link;
1968		2749
1969	(async {	2750	(async {
		2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
1970	my $map = eval {	2772	my $map = eval {
1971	my $map = cf::map::find $path;	2773	my $map = defined $path ? cf::map::find $path : undef;
1972		2774
1973	if ($map) {	2775	if ($map) {
1974	$map = $map->customise_for ($self);	2776	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2777	$map = $check->($map, $x, $y, $self) if $check && $map;
1976	} else {	2778	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2780	}
1979		2781
1980	$map	2782	$map
1981	};	2783	};
1982		2784
…		…
1987		2789
1988	if ($gen == $self->{_goto_generation}) {	2790	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2791	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
1991	}	2793	}
		2794
		2795	$done->($self) if $done;
1992	})->prio (1);	2796	})->prio (1);
1993	}	2797	}
1994		2798
1995	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
1996		2800
…		…
2016	}	2820	}
2017		2821
2018	sub prepare_random_map {	2822	sub prepare_random_map {
2019	my ($exit) = @_;	2823	my ($exit) = @_;
2020		2824
2021	my $guard = cf::lock_acquire "exit_prepare:$exit";
2022
2023	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
2024	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
2025	# that depends on the exit object	2827	# that depends on the exit object
2026		2828
2027	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
…		…
2029	if ($exit->map) {	2831	if ($exit->map) {
2030	$rmp->{region} = $exit->region->name;	2832	$rmp->{region} = $exit->region->name;
2031	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
2032	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
2033	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
2034	}	2838	}
2035		2839
2036	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
2037		2841
2038	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2039	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
2040	my $meta = "$RANDOMDIR/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
2041		2845
2042	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2043	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
2044	undef $fh;	2848	undef $fh;
2045	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
2046		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
2047	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
2048	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
2049	}	2857	}
2050	}	2858	}
2051		2859
2052	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
2053	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
2054		2862
2055	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
2056		2864
2057	if ($exit->slaying eq "/!") {
2058	#TODO: this should de-fi-ni-te-ly not be a sync-job
2059	# the problem is that $exit might not survive long enough
2060	# so it needs to be done right now, right here
2061	cf::sync_job { prepare_random_map $exit };
2062	}
2063
2064	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2065	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;
2067
2068	$self->enter_link;	2865	$self->enter_link;
2069		2866
2070	(async {	2867	(async {
2071	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
2072	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
		2877	prepare_random_map $exit
		2878	if $exit->slaying eq "/!";
		2879	}
		2880
		2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
		2884
2073	$self->goto ($slaying, $hp, $sp);	2885	$self->goto ($map, $x, $y);
2074		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
2075	1;	2891	1
2076	}) {	2892	}) {
2077	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
2078	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
2079	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
2080	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
2081		2897
2082	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
2083	$self->leave_link;	2899	$self->leave_link;
2084	}	2900	}
2085	})->prio (1);	2901	})->prio (1);
2086	}	2902	}
2087		2903
…		…
2101		2917
2102	utf8::encode $text;	2918	utf8::encode $text;
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2104	}	2920	}
2105		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
		2945	}
		2946
		2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2948
		2949	Send a drawinfo or msg packet to the client, formatting the msg for the
		2950	client if neccessary. C<$type> should be a string identifying the type of
		2951	the message, with C<log> being the default. If C<$color> is negative, suppress
		2952	the message unless the client supports the msg packet.
		2953
		2954	=cut
		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
		3070	sub cf::client::send_msg {
		3071	my ($self, $channel, $msg, $color, @extra) = @_;
		3072
		3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
		3075
		3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3077
		3078	# check predefined channels, for the benefit of C
		3079	if ($CHANNEL{$channel}) {
		3080	$channel = $CHANNEL{$channel};
		3081
		3082	$self->ext_msg (channel_info => $channel);
		3083	$channel = $channel->{id};
		3084
		3085	} elsif (ref $channel) {
		3086	# send meta info to client, if not yet sent
		3087	unless (exists $self->{channel}{$channel->{id}}) {
		3088	$self->{channel}{$channel->{id}} = $channel;
		3089	$self->ext_msg (channel_info => $channel);
		3090	}
		3091
		3092	$channel = $channel->{id};
		3093	}
		3094
		3095	return unless @extra || length $msg;
		3096
		3097	# default colour, mask it out
		3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3099	if $color & cf::NDI_DEF;
		3100
		3101	my $pkt = "msg "
		3102	. $self->{json_coder}->encode (
		3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3104	);
		3105
		3106	$self->send_big_packet ($pkt);
		3107	}
		3108
2106	=item $client->ext_event ($type, %msg)	3109	=item $client->ext_msg ($type, @msg)
2107		3110
2108	Sends an exti event to the client.	3111	Sends an ext event to the client.
2109		3112
2110	=cut	3113	=cut
2111		3114
2112	sub cf::client::ext_event($$%) {	3115	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	3116	my ($self, $type, @msg) = @_;
2114		3117
		3118	if ($self->extcmd == 2) {
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	3121	push @msg, msgtype => "event_$type";
2116	$self->send_packet ("ext " . cf::to_json \%msg);	3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3141	}
2117	}	3142	}
2118		3143
2119	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
2120		3145
2121	Queues a query to the client, calling the given callback with	3146	Queues a query to the client, calling the given callback with
2122	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3147	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2123	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3148	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124		3149
2125	Queries can fail, so check the return code. Or don't, as queries will become	3150	Queries can fail, so check the return code. Or don't, as queries will
2126	reliable at some point in the future.	3151	become reliable at some point in the future.
2127		3152
2128	=cut	3153	=cut
2129		3154
2130	sub cf::client::query {	3155	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	3156	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	3164	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3165	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		3166
2142	$self->send_packet ($self->{query_queue}[0][0])	3167	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	3168	if @{ $self->{query_queue} } == 1;
		3169
		3170	1
2144	}	3171	}
2145		3172
2146	cf::client->attach (	3173	cf::client->attach (
		3174	on_connect => sub {
		3175	my ($ns) = @_;
		3176
		3177	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3178	},
2147	on_reply => sub {	3179	on_reply => sub {
2148	my ($ns, $msg) = @_;	3180	my ($ns, $msg) = @_;
2149		3181
2150	# this weird shuffling is so that direct followup queries	3182	# this weird shuffling is so that direct followup queries
2151	# get handled first	3183	# get handled first
…		…
2163	} else {	3195	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3196	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	3197	}
2166	}	3198	}
2167	},	3199	},
		3200	on_exticmd => sub {
		3201	my ($ns, $buf) = @_;
		3202
		3203	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3204
		3205	if (ref $msg) {
		3206	my ($type, $reply, @payload) =
		3207	"ARRAY" eq ref $msg
		3208	? @$msg
		3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3210
		3211	my @reply;
		3212
		3213	if (my $cb = $EXTICMD{$type}) {
		3214	@reply = $cb->($ns, @payload);
		3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
		3220	} else {
		3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3222	}
		3223
		3224	cf::override;
		3225	},
2168	);	3226	);
2169		3227
2170	=item $client->async (\&cb)	3228	=item $client->async (\&cb)
2171		3229
2172	Create a new coroutine, running the specified callback. The coroutine will	3230	Create a new coroutine, running the specified callback. The coroutine will
…		…
2188		3246
2189	$coro	3247	$coro
2190	}	3248	}
2191		3249
2192	cf::client->attach (	3250	cf::client->attach (
2193	on_destroy => sub {	3251	on_client_destroy => sub {
2194	my ($ns) = @_;	3252	my ($ns) = @_;
2195		3253
2196	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2197	},	3255	},
2198	);	3256	);
…		…
2213	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2215		3273
2216	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2217		3275
2218	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3276	$safe->permit_only (Opcode::opset qw(
		3277	:base_core :base_mem :base_orig :base_math :base_loop
		3278	grepstart grepwhile mapstart mapwhile
		3279	sort time
		3280	));
2219		3281
2220	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2221		3283
2222	=pod	3284	=pod
2223		3285
2224	The following functions and methods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2225		3287
2226	cf::object contr pay_amount pay_player map	3288	cf::object
		3289	contr pay_amount pay_player map x y force_find force_add destroy
		3290	insert remove name archname title slaying race decrease split
		3291	value
		3292
2227	cf::object::player player	3293	cf::object::player
2228	cf::player peaceful	3294	player
2229	cf::map trigger	3295
		3296	cf::player
		3297	peaceful
		3298
		3299	cf::map
		3300	trigger
2230		3301
2231	=cut	3302	=cut
2232		3303
2233	for (	3304	for (
2234	["cf::object" => qw(contr pay_amount pay_player map)],	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2235	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2237	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2238	) {	3311	) {
2239	no strict 'refs';
2240	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2242	for @funs;	3314	for @funs;
2243	}	3315	}
2244		3316
…		…
2259		3331
2260	my $qcode = $code;	3332	my $qcode = $code;
2261	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2262	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2263		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2264	local $_;	3339	local $_;
2265	local @safe::cf::_safe_eval_args = values %vars;
2266		3340
2267	my $eval =	3341	my $eval =
2268	"do {\n"	3342	"do {\n"
2269	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2270	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2271	. $code	3345	. $code
2272	. "\n}"	3346	. "\n}"
2273	;	3347	;
2274		3348
		3349	if ($CFG{safe_eval}) {
2275	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2276	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2277	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2278		3358
2279	if ($@) {	3359	if ($@) {
2280	warn "$@";	3360	warn "$@",
2281	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2282	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2283	}	3363	}
2284		3364
2285	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2286	}	3366	}
2287		3367
…		…
2301	=cut	3381	=cut
2302		3382
2303	sub register_script_function {	3383	sub register_script_function {
2304	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2305		3385
2306	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2307	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2308	}	3388	}
2309		3389
2310	=back	3390	=back
2311		3391
2312	=cut	3392	=cut
2313
2314	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487		3393
2488	#############################################################################	3394	#############################################################################
2489	# the server's init and main functions	3395	# the server's init and main functions
2490		3396
2491	sub load_facedata($) {	3397	sub load_facedata($) {
2492	my ($path) = @_;	3398	my ($path) = @_;
2493		3399
		3400	# HACK to clear player env face cache, we need some signal framework
		3401	# for this (global event?)
		3402	%ext::player_env::MUSIC_FACE_CACHE = ();
		3403
		3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3405
2494	warn "loading facedata from $path\n";	3406	trace "loading facedata from $path\n";
2495		3407
2496	my $facedata;
2497	0 < aio_load $path, $facedata	3408	0 < aio_load $path, my $facedata
2498	or die "$path: $!";	3409	or die "$path: $!";
2499		3410
2500	$facedata = Coro::Storable::thaw $facedata;	3411	$facedata = Coro::Storable::thaw $facedata;
2501		3412
2502	$facedata->{version} == 2	3413	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		3415
		3416	# patch in the exptable
		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3418	$facedata->{resource}{"res/exp_table"} = {
		3419	type => FT_RSRC,
		3420	data => $exp_table,
		3421	hash => (Digest::MD5::md5 $exp_table),
		3422	};
		3423	cf::cede_to_tick;
		3424
2505	{	3425	{
2506	my $faces = $facedata->{faceinfo};	3426	my $faces = $facedata->{faceinfo};
2507		3427
2508	while (my ($face, $info) = each %$faces) {	3428	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3430
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3431	cf::face::set_visibility $idx, $info->{visibility};
		3432	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2513	Coro::cede;	3435
		3436	cf::cede_to_tick;
2514	}	3437	}
2515		3438
2516	while (my ($face, $info) = each %$faces) {	3439	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3440	next unless $info->{smooth};
		3441
2518	my $idx = cf::face::find $face	3442	my $idx = cf::face::find $face
2519	or next;	3443	or next;
		3444
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3445	if (my $smooth = cf::face::find $info->{smooth}) {
		3446	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3448	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3449	error "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3450	}
2525	Coro::cede;	3451
		3452	cf::cede_to_tick;
2526	}	3453	}
2527	}	3454	}
2528		3455
2529	{	3456	{
2530	my $anims = $facedata->{animinfo};	3457	my $anims = $facedata->{animinfo};
2531		3458
2532	while (my ($anim, $info) = each %$anims) {	3459	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3460	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	3461	cf::cede_to_tick;
2535	}	3462	}
2536		3463
2537	cf::anim::invalidate_all; # d'oh	3464	cf::anim::invalidate_all; # d'oh
2538	}	3465	}
2539		3466
		3467	{
		3468	my $res = $facedata->{resource};
		3469
		3470	while (my ($name, $info) = each %$res) {
		3471	if (defined $info->{type}) {
		3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3473
		3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3475	cf::face::set_type $idx, $info->{type};
		3476	} else {
		3477	$RESOURCE{$name} = $info; # unused
		3478	}
		3479
		3480	cf::cede_to_tick;
		3481	}
		3482	}
		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
2540	1	3486	1
2541	}	3487	}
2542		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($ns, $want) = @_;
		3491
		3492	while (my ($k, $v) = each %$want) {
		3493	$ns->fx_want ($k, $v);
		3494	}
		3495	};
		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
2543	sub reload_regions {	3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
2544	load_resource_file "$MAPDIR/regions"	3512	load_resource_file "$MAPDIR/regions"
2545	or die "unable to load regions file\n";	3513	or die "unable to load regions file\n";
		3514
		3515	for (cf::region::list) {
		3516	$_->{match} = qr/$_->{match}/
		3517	if exists $_->{match};
		3518	}
2546	}	3519	}
2547		3520
2548	sub reload_facedata {	3521	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3522	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	3523	or die "unable to load facedata\n";
…		…
2558	sub reload_treasures {	3531	sub reload_treasures {
2559	load_resource_file "$DATADIR/treasures"	3532	load_resource_file "$DATADIR/treasures"
2560	or die "unable to load treasurelists\n";	3533	or die "unable to load treasurelists\n";
2561	}	3534	}
2562		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
2563	sub reload_resources {	3559	sub reload_resources {
2564	warn "reloading resource files...\n";	3560	trace "reloading resource files...\n";
2565		3561
		3562	reload_exp_table;
		3563	reload_materials;
		3564	reload_facedata;
		3565	reload_sound;
		3566	reload_archetypes;
2566	reload_regions;	3567	reload_regions;
2567	reload_facedata;
2568	reload_archetypes;
2569	reload_treasures;	3568	reload_treasures;
2570		3569
2571	warn "finished reloading resource files\n";	3570	trace "finished reloading resource files\n";
2572	}	3571	}
2573		3572
2574	sub init {	3573	sub reload_config {
2575	reload_resources;	3574	trace "reloading config file...\n";
2576	}
2577		3575
2578	sub cfg_load {	3576	0 < aio_load "$CONFDIR/config", my $config
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3577	or die "$CONFDIR/config: $!";
2580	or return;
2581		3578
2582	local $/;	3579	utf8::decode $config;
2583	*CFG = YAML::Syck::Load <$fh>;	3580	*CFG = yaml_load $config;
2584		3581
2585	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2586		3583
2587	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2588	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2589		3586
2590	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2594	};	3591	};
2595	warn $@ if $@;	3592	warn $@ if $@;
2596	}	3593	}
2597	}	3594	}
2598		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
2599	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
2600	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2602	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2603	(async {	3637	(async {
2604	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
2605	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
2606	};	3641	};
2607		3642
2608	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
		3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
2609	db_init;	3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
2610	load_extensions;	3666	load_extensions;
2611		3667
2612	$TICK_WATCHER->start;	3668	utime time, time, $RUNTIMEFILE;
2613	Event::loop;	3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
2614	}	3686	}
2615		3687
2616	#############################################################################	3688	#############################################################################
2617	# initialisation and cleanup	3689	# initialisation and cleanup
2618		3690
2619	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2620	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2621	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2622	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2623	reentrant => 0,
2624	data => WF_AUTOCANCEL,
2625	signal => $signal,
2626	prio => 0,
2627	cb => sub {
2628	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
2629	},
2630	);	3697	};
		3698	}
		3699	}
		3700
		3701	sub write_runtime_sync {
		3702	my $t0 = AE::time;
		3703
		3704	# first touch the runtime file to show we are still running:
		3705	# the fsync below can take a very very long time.
		3706
		3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3708
		3709	my $guard = cf::lock_acquire "write_runtime";
		3710
		3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3712	or return;
		3713
		3714	my $value = $cf::RUNTIME + 90 + 10;
		3715	# 10 is the runtime save interval, for a monotonic clock
		3716	# 60 allows for the watchdog to kill the server.
		3717
		3718	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3719	and return;
		3720
		3721	# always fsync - this file is important
		3722	aio_fsync $fh
		3723	and return;
		3724
		3725	# touch it again to show we are up-to-date
		3726	aio_utime $fh, undef, undef;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3732	and return;
		3733
		3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3735
2631	}	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
2632	}	3787	}
2633		3788
2634	sub emergency_save() {	3789	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2636		3791
2637	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
2638		3798
2639	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2640	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2641	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2642	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2643	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2644	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2645	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2646	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2647	$pl->save;	3810	$pl->save;
2648	}	3811	}
2649	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2650		3813
2651	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
2652	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2653	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2654	$map->valid or next;	3819	$map->valid or next;
2655	$map->save;	3820	$map->save;
2656	}	3821	}
2657	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
2658		3823
2659	warn "begin emergency database checkpoint\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3827	BDB::db_env_txn_checkpoint $DB_ENV;
2661	warn "end emergency database checkpoint\n";	3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2662	};	3852	};
2663		3853
2664	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2665	}	3855	}
2666		3856
2667	sub post_cleanup {	3857	sub post_cleanup {
2668	my ($make_core) = @_;	3858	my ($make_core) = @_;
2669		3859
		3860	IO::AIO::flush;
		3861
2670	warn Carp::longmess "post_cleanup backtrace"	3862	error Carp::longmess "post_cleanup backtrace"
2671	if $make_core;	3863	if $make_core;
		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
2672	}	3892	}
2673		3893
2674	sub do_reload_perl() {	3894	sub do_reload_perl() {
2675	# can/must only be called in main	3895	# can/must only be called in main
2676	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2677	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
2678	return;	3898	return;
2679	}	3899	}
2680		3900
2681	warn "reloading...";	3901	return if $RELOAD++;
2682		3902
2683	warn "entering sync_job";	3903	my $t1 = AE::time;
2684		3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
2685	cf::sync_job {	3911	cf::sync_job {
2686	cf::write_runtime; # external watchdog should not bark
2687	cf::emergency_save;	3912	#cf::emergency_save;
2688	cf::write_runtime; # external watchdog should not bark
2689		3913
2690	warn "syncing database to disk";
2691	BDB::db_env_txn_checkpoint $DB_ENV;
2692
2693	# if anything goes wrong in here, we should simply crash as we already saved
2694
2695	warn "cancelling all WF_AUTOCANCEL watchers";
2696	for (Event::all_watchers) {
2697	$_->cancel if $_->data & WF_AUTOCANCEL;
2698	}
2699
2700	warn "flushing outstanding aio requests";
2701	for (;;) {
2702	BDB::flush;
2703	IO::AIO::flush;
2704	Coro::cede;
2705	last unless IO::AIO::nreqs || BDB::nreqs;
2706	warn "iterate...";
2707	}
2708
2709	++$RELOAD;
2710
2711	warn "cancelling all extension coros";	3914	trace "perl_reload: cancelling all extension coros";
2712	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
2713	%EXT_CORO = ();	3916	%EXT_CORO = ();
2714		3917
2715	warn "removing commands";	3918	trace "perl_reload: removing commands";
2716	%COMMAND = ();	3919	%COMMAND = ();
2717		3920
2718	warn "removing ext commands";	3921	trace "perl_reload: removing ext/exti commands";
2719	%EXTCMD = ();	3922	%EXTCMD = ();
		3923	%EXTICMD = ();
2720		3924
2721	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
2724		3928
2725	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
2726	eval {	3930	eval {
2727	$cb->($pkg);	3931	$cb->($pkg);
2728	1	3932	1
2729	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
2730	}	3938	}
2731		3939
2732	warn "... nuking $pkg";
2733	Symbol::delete_package $pkg;
2734	}
2735
2736	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2737	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
2738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2739		3943
2740	warn "... unloading $k";	3944	trace "... unloading $k";
2741	delete $INC{$k};	3945	delete $INC{$k};
2742		3946
2743	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
2744	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
2745		3949
2746	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
2747	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
2748	}	3955	}
2749		3956
2750	Symbol::delete_package $k;
2751	}
2752
2753	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
2754	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
2755	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2756		3960
2757	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
2758	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
2759	delete $INC{"cf/pod.pm"};	3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2760		3964
2761	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
2762	# and global variables created in xs	3966	# and global variables created in xs
2763	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
2764		3968
2765	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
2766		3970
2767	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
2768	require cf;	3972	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
2770		3974
2771	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
2772	cf::cfg_load;	3976	cf::reload_config;
2773		3977
2774	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
2775	cf::load_extensions;	3979	cf::load_extensions;
2776		3980
		3981	if ($REATTACH_ON_RELOAD) {
2777	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
2778	_global_reattach; # objects, sockets	3983	_global_reattach; # objects, sockets
2779	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
2780	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
2781	warn "reattaching attachments to players";	3986	trace "perl_reload: reattaching attachments to players";
2782	reattach $_ for values %PLAYER;	3987	reattach $_ for values %PLAYER;
		3988	}
2783		3989
2784	warn "leaving sync_job";	3990	cf::_post_init 1;
2785		3991
		3992	trace "perl_reload: leaving sync_job";
		3993
2786	1	3994	1
2787	} or do {	3995	} or do {
2788	warn $@;	3996	error $@;
2789	warn "error while reloading, exiting.";	3997	cf::cleanup "perl_reload: error, exiting.";
2790	exit 1;	3998	};
		3999
		4000	--$RELOAD;
2791	};	4001	}
2792		4002
2793	warn "reloaded";	4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
2794	};	4005	};
2795		4006
2796	our $RELOAD_WATCHER; # used only during reload	4007	our $RELOAD_WATCHER; # used only during reload
2797		4008
2798	sub reload_perl() {	4009	sub reload_perl() {
2799	# doing reload synchronously and two reloads happen back-to-back,	4010	# doing reload synchronously and two reloads happen back-to-back,
2800	# coro crashes during coro_state_free->destroy here.	4011	# coro crashes during coro_state_free->destroy here.
2801		4012
2802	$RELOAD_WATCHER ||= Event->timer (	4013	$RELOAD_WATCHER ||= cf::async {
2803	reentrant => 0,	4014	Coro::AIO::aio_wait cache_extensions;
2804	after => 0,	4015
2805	data => WF_AUTOCANCEL,	4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2806	cb => sub {
2807	do_reload_perl;	4017	do_reload_perl;
2808	undef $RELOAD_WATCHER;	4018	undef $RELOAD_WATCHER;
2809	},	4019	};
2810	);	4020	};
2811	}	4021	}
2812		4022
2813	register_command "reload" => sub {	4023	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
2815		4025
2816	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
		4028	async {
		4029	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	4030	reload_perl;
		4031	};
2819	}	4032	}
2820	};	4033	};
2821		4034
2822	unshift @INC, $LIBDIR;	4035	#############################################################################
2823		4036
2824	my $bug_warning = 0;	4037	my $bug_warning = 0;
2825		4038
2826	our @WAIT_FOR_TICK;	4039	our @WAIT_FOR_TICK;
2827	our @WAIT_FOR_TICK_BEGIN;	4040	our @WAIT_FOR_TICK_BEGIN;
2828		4041
2829	sub wait_for_tick {	4042	sub wait_for_tick() {
2830	return unless $TICK_WATCHER->is_active;
2831	return if $Coro::current == $Coro::main;	4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2832		4044
2833	my $signal = new Coro::Signal;	4045	my $signal = new Coro::Signal;
2834	push @WAIT_FOR_TICK, $signal;	4046	push @WAIT_FOR_TICK, $signal;
2835	$signal->wait;	4047	$signal->wait;
2836	}	4048	}
2837		4049
2838	sub wait_for_tick_begin {	4050	sub wait_for_tick_begin() {
2839	return unless $TICK_WATCHER->is_active;
2840	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2841		4052
2842	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	4054	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	4055	$signal->wait;
2845	}	4056	}
2846		4057
2847	my $min = 1e6;#d#	4058	sub tick {
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,
2851	parked => 1,
2852	prio => 0,
2853	at => $NEXT_TICK || $TICK,
2854	data => WF_AUTOCANCEL,
2855	cb => sub {
2856	if ($Coro::current != $Coro::main) {	4059	if ($Coro::current != $Coro::main) {
2857	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2858	unless ++$bug_warning > 10;	4061	unless ++$bug_warning > 10;
2859	return;	4062	return;
2860	}	4063	}
2861		4064
2862	$NOW = $tick_start = Event::time;
2863
2864	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
2865		4066
2866	0 && sync_job {#d#	4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2867	for(1..10) {
2868	my $t = Event::time;
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2870	or die;
2871		4068
2872	$map->width (50);	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2873	$map->height (50);	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2874	$map->alloc;	4071	Coro::async_pool {
2875	$map->_load_objects ("/tmp/x.map", 1);	4072	$Coro::current->{desc} = "runtime saver";
2876	my $t = Event::time - $t;	4073	write_runtime_sync
2877		4074	or error "ERROR: unable to write runtime file: $!";
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};	4075	};
		4076	}
2888		4077
2889	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;
2891
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {
2895	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";
2897	};
2898	}
2899
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	4079	$sig->send;
2905	}	4080	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	4081	while (my $sig = shift @WAIT_FOR_TICK) {
2907	$sig->send;	4082	$sig->send;
2908	}	4083	}
2909		4084
2910	$NOW = Event::time;	4085	$LOAD = ($NOW - $TICK_START) / $TICK;
2911
2912	# if we are delayed by four ticks or more, skip them all
2913	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2914
2915	$TICK_WATCHER->at ($NEXT_TICK);
2916	$TICK_WATCHER->start;
2917
2918	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		4087
2921	_post_tick;	4088	if (0) {
2922		4089	if ($NEXT_TICK) {
2923		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
		4093	}
2924	},	4094	}
2925	);	4095	}
2926		4096
2927	{	4097	{
2928	BDB::max_poll_time $TICK * 0.1;	4098	# configure BDB
2929	$BDB_POLL_WATCHER = Event->io (	4099
2930	reentrant => 0,
2931	fd => BDB::poll_fileno,
2932	poll => 'r',
2933	prio => 0,
2934	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,
2936	);
2937	BDB::min_parallel 8;	4100	BDB::min_parallel 16;
2938		4101	BDB::max_poll_reqs $TICK * 0.1;
2939	BDB::set_sync_prepare {	4102	$AnyEvent::BDB::WATCHER->priority (1);
2940	my $status;
2941	my $current = $Coro::current;
2942	(
2943	sub {
2944	$status = $!;
2945	$current->ready; undef $current;
2946	},
2947	sub {
2948	Coro::schedule while defined $current;
2949	$! = $status;
2950	},
2951	)
2952	};
2953		4103
2954	unless ($DB_ENV) {	4104	unless ($DB_ENV) {
2955	$DB_ENV = BDB::db_env_create;	4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2956		4111
2957	cf::sync_job {	4112	cf::sync_job {
2958	eval {	4113	eval {
2959	BDB::db_env_open	4114	BDB::db_env_open
2960	$DB_ENV,	4115	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	4119	0666;
2965		4120
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	4122	};
2971		4123
2972	cf::cleanup "db_env_open(db): $@" if $@;	4124	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	4125	};
2974	}	4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
2975	}	4137	}
2976		4138
2977	{	4139	{
		4140	# configure IO::AIO
		4141
2978	IO::AIO::min_parallel 8;	4142	IO::AIO::min_parallel 8;
2979
2980	undef $Coro::AIO::WATCHER;
2981	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
2982	$AIO_POLL_WATCHER = Event->io (	4144	undef $AnyEvent::AIO::WATCHER;
2983	reentrant => 0,
2984	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,
2986	poll => 'r',
2987	prio => 6,
2988	cb => \&IO::AIO::poll_cb,
2989	);
2990	}	4145	}
2991		4146
2992	my $_log_backtrace;	4147	our $_log_backtrace;
		4148	our $_log_backtrace_last;
2993		4149
2994	sub _log_backtrace {	4150	sub _log_backtrace {
2995	my ($msg, @addr) = @_;	4151	my ($msg, @addr) = @_;
2996		4152
2997	$msg =~ s/\n//;	4153	$msg =~ s/\n$//;
2998		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2999	# limit the # of concurrent backtraces	4158	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
3001	++$_log_backtrace;	4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
3002	async {	4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
3003	my @bt = fork_call {	4166	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	4167	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3007	or die "addr2line: $!";	4170	or die "addr2line: $!";
…		…
3015	}	4178	}
3016		4179
3017	@funcs	4180	@funcs
3018	};	4181	};
3019		4182
3020	LOG llevInfo, "[ABT] $msg\n";	4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3021	LOG llevInfo, "[ABT] $_\n" for @bt;	4185	LOG llevInfo, "[ABT] $_\n" for @bt;
3022	--$_log_backtrace;	4186	--$_log_backtrace;
3023	};	4187	};
3024	} else {	4188	} else {
3025	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $msg\n";
3026	LOG llevInfo, "[ABT] [suppressed]\n";	4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3027	}	4191	}
3028	}	4192	}
3029		4193
3030	# load additional modules	4194	# load additional modules
3031	use cf::pod;	4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
3032		4197
3033	END { cf::emergency_save }	4198	END { cf::emergency_save }
3034		4199
3035	1	4200	1
3036		4201

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