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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.556 by root, Sat Jul 3 01:49:18 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	IO::AIO::aio_utime $runtime, undef, undef;	624	=cut
401		625
402	my $guard = cf::lock_acquire "write_runtime";	626	sub post_fork {
		627	reset_signals;
		628	}
403		629
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	630	sub fork_call(&@) {
405	or return;	631	my ($cb, @args) = @_;
406		632
407	my $value = $cf::RUNTIME + 90 + 10;	633	# we seemingly have to make a local copy of the whole thing,
408	# 10 is the runtime save interval, for a monotonic clock	634	# otherwise perl prematurely frees the stuff :/
409	# 60 allows for the watchdog to kill the server.	635	# TODO: investigate and fix (likely this will be rather laborious)
410		636
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	637	my @res = Coro::Util::fork_eval {
412	and return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
413		641
414	# always fsync - this file is important	642	wantarray ? @res : $res[-1]
415	aio_fsync $fh	643	}
416	and return;
417		644
418	# touch it again to show we are up-to-date	645	sub objinfo {
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
430	}	810	}
431		811
432	=item cf::datalog type => key => value, ...	812	=item cf::datalog type => key => value, ...
433		813
434	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.
435		815
436	=cut	816	=cut
437		817
438	sub datalog($@) {	818	sub datalog($@) {
439	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	821	}
442		822
443	=back	823	=back
444		824
445	=cut	825	=cut
446		826
447	#############################################################################	827	#############################################################################
448		828
449	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
450		830
451	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
452	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")
453	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
454		834
455	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>
456	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
457	crossfire+).	837	Deliantra).
458		838
459	=over 4	839	=over 4
460		840
461	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
462		842
…		…
506	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
507		887
508	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
510		890
511	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
512	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.
513		893
514	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
515		895
516	=over 4	896	=over 4
…		…
640		1020
641	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		1023
644	} elsif (ref $type) {	1024	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
646		1026
647	} else {	1027	} else {
648	shift @arg;	1028	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
650	}	1030	}
651	}	1031	}
652	}	1032	}
653		1033
654	sub _object_attach {	1034	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
665	}	1045	}
666		1046
667	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
668	} else {	1048	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1050	}
671		1051
672	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
673	}	1053	}
674		1054
…		…
714	";	1094	";
715	die if $@;	1095	die if $@;
716	}	1096	}
717		1097
718	our $override;	1098	our $override;
719	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?
720		1100
721	sub override {	1101	sub override {
722	$override = 1;	1102	$override = 1;
723	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
724	}	1104	}
725		1105
726	sub do_invoke {	1106	sub do_invoke {
727	my $event = shift;	1107	my $event = shift;
728	my $callbacks = shift;	1108	my $callbacks = shift;
729		1109
730	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
731		1111
732	local $override;	1112	local $override;
733		1113
734	for (@$callbacks) {	1114	for (@$callbacks) {
735	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
736		1116
737	if ($@) {	1117	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1119	override;
741	}	1120	}
742		1121
743	return 1 if $override;	1122	return 1 if $override;
744	}	1123	}
745		1124
746	0	1125	0
747	}	1126	}
748		1127
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1129
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1131
753	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
754		1133
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1137
759	=back	1138	=back
760		1139
761	=cut	1140	=cut
762		1141
763	#############################################################################	1142	#############################################################################
764	# 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, $ob2
		1185	}
765		1186
766	sub reattach {	1187	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1189	my ($obj) = @_;
769		1190
		1191	# no longer needed after getting rid of delete_package?
770	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
771		1193
772	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
773		1195
774	@$registry = ();	1196	@$registry = ();
775		1197
…		…
780	for (@$attach) {	1202	for (@$attach) {
781	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
783	}	1205	}
784	} else {	1206	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1208	}
787	}	1209	}
788	}	1210	}
789		1211
790	cf::attachable->attach (	1212	cf::attachable->attach (
791	prio => -1000000,	1213	prio => -1000000,
792	on_instantiate => sub {	1214	on_instantiate => sub {
793	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
794		1216
795	$data = from_json $data;	1217	$data = decode_json $data;
796		1218
797	for (@$data) {	1219	for (@$data) {
798	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
799		1221
800	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1238	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
818		1240
819	sync_job {	1241	sync_job {
820	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
823		1247
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1255	aio_close $fh;
829		1256
830	if (@$objs) {	1257	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1266	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
838	}	1268	}
839	} else {	1269	} else {
840	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
841	}	1271	}
842		1272
843	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1277	} else {
845	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
846	}	1279	}
847	} else {	1280	} else {
848	aio_unlink $filename;	1281	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
850	}	1283	}
851	}	1284	};
852	}	1285	}
853		1286
854	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
856		1289
…		…
868	or return;	1301	or return;
869		1302
870	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
872	or return;	1305	or return;
		1306
873	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
874	}	1309	}
875		1310
		1311	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
878	return ($data, $av);	1316	($data, $av)
879	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
880		1324
881	#############################################################################	1325	#############################################################################
882	# command handling &c	1326	# command handling &c
883		1327
884	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1342	}
899		1343
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1345
902	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.
903		1351
904	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
905	called.	1353	called.
906		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
907	=cut	1366	=cut
908		1367
909	sub register_extcmd {	1368	sub register_extcmd {
910	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
911		1370
912	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
913	}	1372	}
914		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
915	cf::player->attach (	1382	cf::player->attach (
916	on_command => sub {	1383	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
918		1385
919	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
920	or return;	1387	or return;
921		1388
…		…
926	cf::override;	1393	cf::override;
927	},	1394	},
928	on_extcmd => sub {	1395	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
930		1397
931	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1399
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
939	} else {	1415	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1417	}
942		1418
943	cf::override;	1419	cf::override;
944	},	1420	},
945	);	1421	);
946		1422
		1423	# "readahead" all extensions
947	sub load_extension {	1424	sub cache_extensions {
948	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
949		1426
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1430	}
975	die $@;
976	}	1431	};
977		1432
978	push @EXTS, $pkg;	1433	$grp
979	}	1434	}
980		1435
981	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
982	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1443	next unless -r $path;
984	eval {	1444
985	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 $active;
		1507	}
986	1	1508	}
987	} or warn "$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	}
988	}	1519	};
989	}	1520	}
990		1521
991	#############################################################################	1522	#############################################################################
992		1523
		1524	=back
		1525
993	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
994		1527
995	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
996		1529
997	=cut	1530	=cut
998		1531
999	package cf::player;	1532	package cf::player;
1000		1533
1001	use Coro::AIO;	1534	use Coro::AIO;
1002		1535
1003	=head3 cf::player	1536	=head3 cf::player
1004		1537
1005	=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	}
1006		1553
1007	=item cf::player::find $login	1554	=item cf::player::find $login
1008		1555
1009	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1010		1557
…		…
1029		1576
1030	sub exists($) {	1577	sub exists($) {
1031	my ($login) = @_;	1578	my ($login) = @_;
1032		1579
1033	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1035	}	1582	}
1036		1583
1037	sub find($) {	1584	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1586	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1597
1051	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1054	}	1607	}
1055	}	1608	}
1056	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
1057		1623
1058	sub save($) {	1624	sub save($) {
1059	my ($pl) = @_;	1625	my ($pl) = @_;
1060		1626
1061	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1067		1633
1068	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1072	Coro::cede;	1643	cf::cede_to_tick;
1073	}	1644	}
1074		1645
1075	sub new($) {	1646	sub new($) {
1076	my ($login) = @_;	1647	my ($login) = @_;
1077		1648
…		…
1083	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1084		1655
1085	$self	1656	$self
1086	}	1657	}
1087		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
1088	=item $pl->quit_character	1669	=item $pl->quit_character
1089		1670
1090	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1092		1673
…		…
1096	my ($pl) = @_;	1677	my ($pl) = @_;
1097		1678
1098	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1099		1680
1100	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1101	$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
1102		1683
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1104	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1106	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1107		1692
1108	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1110	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1145	or return [];	1730	or return [];
1146		1731
1147	my @logins;	1732	my @logins;
1148		1733
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1153		1744
1154	utf8::decode $login;	1745	utf8::decode $login;
1155	push @logins, $login;	1746	push @logins, $login;
1156	}	1747	}
1157		1748
1158	\@logins	1749	\@logins
1159	}	1750	}
1160		1751
1161	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1162		1755
1163	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1164	player. May block.	1757	player. May block.
1165		1758
1166	=cut	1759	=cut
…		…
1184	}	1777	}
1185		1778
1186	\@paths	1779	\@paths
1187	}	1780	}
1188		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1189	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1190		1787
1191	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1192		1789
1193	=cut	1790	=cut
1194		1791
1195	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1197		1794
1198	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1796	}
1202		1797
1203	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1204		1799
1205	Sends an ext event to the client.	1800	Sends an ext event to the client.
1206		1801
1207	=cut	1802	=cut
1208		1803
1209	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1211		1806
1212	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1213	}	1808	}
1214		1809
1215	=head3 cf::region	1810	=head3 cf::region
1216		1811
1217	=over 4	1812	=over 4
…		…
1220		1815
1221	package cf::region;	1816	package cf::region;
1222		1817
1223	=item cf::region::find_by_path $path	1818	=item cf::region::find_by_path $path
1224		1819
1225	Tries to decuce the probable region for a map knowing only its path.	1820	Tries to decuce the likely region for a map knowing only its path.
1226		1821
1227	=cut	1822	=cut
1228		1823
1229	sub find_by_path($) {	1824	sub find_by_path($) {
1230	my ($path) = @_;	1825	my ($path) = @_;
1231		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1232	my ($match, $specificity);	1829	my ($match, $specificity);
1233		1830
1234	for my $region (list) {	1831	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1238	}	1835	}
1239	}	1836	}
1240		1837
…		…
1261	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1263		1860
1264	sub generate_random_map {	1861	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1266	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1267	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1279	)
1280	}	1867	}
1281		1868
1282	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1283		1870
1284	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1289		1876
1290	sub register {	1877	sub register {
1291	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	1879	my $pkg = caller;
1293		1880
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		1882
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	1884	}
1299		1885
1300	# also paths starting with '/'	1886	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		1888
1303	sub thawer_merge {	1889	sub thawer_merge {
1304	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1305		1891
1306	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
1307	local $self->{path};	1893	local $self->{path};
1308	local $self->{load_path};	1894	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1895
1312	$self->SUPER::thawer_merge ($merge);	1896	$self->SUPER::thawer_merge ($merge);
1313	}	1897	}
1314		1898
1315	sub normalise {	1899	sub normalise {
1316	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1317		1901
1318	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1319		1903
1320	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1321		1905
1322	# map plan:	1906	# map plan:
1323	#	1907	#
…		…
1338	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1339	$path = "$base/$path";	1923	$path = "$base/$path";
1340	}	1924	}
1341		1925
1342	for ($path) {	1926	for ($path) {
1343	redo if s{//}{/};
1344	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1345	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1346	}	1929	}
1347		1930
1348	$path	1931	$path
…		…
1362	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1363	return $self;	1946	return $self;
1364	}	1947	}
1365	}	1948	}
1366		1949
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	1951	()
1369	}	1952	}
1370		1953
1371	sub init {	1954	sub init {
1372	my ($self) = @_;	1955	my ($self) = @_;
…		…
1394		1977
1395	# the temporary/swap location	1978	# the temporary/swap location
1396	sub save_path {	1979	sub save_path {
1397	my ($self) = @_;	1980	my ($self) = @_;
1398		1981
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1401	}	1984	}
1402		1985
1403	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1404	sub uniq_path {	1987	sub uniq_path {
1405	my ($self) = @_;	1988	my ($self) = @_;
1406		1989
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1409	}	1992	}
1410		1993
1411	# and all this just because we cannot iterate over	1994	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1995	my ($self) = @_;
1415		1996
1416	$_->change_map_light ($change)	1997	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1998
		1999	$self->do_decay_objects;
1418	}	2000	}
1419		2001
1420	sub unlink_save {	2002	sub unlink_save {
1421	my ($self) = @_;	2003	my ($self) = @_;
1422		2004
…		…
1427		2009
1428	sub load_header_from($) {	2010	sub load_header_from($) {
1429	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1430		2012
1431	utf8::encode $path;	2013	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1437		2022
1438	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1439		2024
1440	1	2025	1
1441	}	2026	}
…		…
1480	$self->load_header_orig	2065	$self->load_header_orig
1481	or return;	2066	or return;
1482	$self->prepare_orig;	2067	$self->prepare_orig;
1483	}	2068	}
1484		2069
		2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
		2072
1485	$self->default_region (cf::region::find_by_path $self->{path})	2073	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2074	unless $self->default_region;
1487		2075
1488	1	2076	1
1489	}	2077	}
1490		2078
1491	sub find;	2079	sub find;
1492	sub find {	2080	sub find {
1493	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1494		2082
		2083	cf::cede_to_tick;
		2084
1495	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1496		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2089
1499	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1502	or return;	2092	or return;
1503		2093
1504	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1505		2095
1506	$map->load_header	2096	$map->load_header
1507	or return;	2097	or return;
1508		2098
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1512	$map->reset;	2104	$map->reset;
1513	undef $guard;
1514	return find $path;	2105	return find $path;
1515	}	2106	}
1516		2107
1517	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1518	}	2109	}
1519	}	2110	}
1520		2111
1521	sub pre_load { }	2112	sub pre_load { }
1522	sub post_load { }	2113	#sub post_load { } # XS
1523		2114
1524	sub load {	2115	sub load {
1525	my ($self) = @_;	2116	my ($self) = @_;
1526		2117
1527	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1528		2119
1529	my $path = $self->{path};	2120	my $path = $self->{path};
1530		2121
1531	{	2122	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1533		2124
		2125	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2127
1536	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1537		2129
1538	$self->alloc;	2130	$self->alloc;
1539		2131
1540	$self->pre_load;	2132	$self->pre_load;
1541	Coro::cede;	2133	cf::cede_to_tick;
1542		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1544	or return;	2138	or return;
1545		2139
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1547	if delete $self->{load_original};	2141	if delete $self->{load_original};
1548		2142
1549	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2144	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2147	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1554	}	2151	}
1555	}	2152	}
1556		2153
1557	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1558	# now do the right thing for maps	2157	# now do the right thing for maps
1559	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2160	unless $self->difficulty;
1562	Coro::cede;	2161	cf::cede_to_tick;
1563		2162
1564	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2164	$self->decay_objects;
1566	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1567	$self->update_buttons;	2166	$self->update_buttons;
1568	Coro::cede;	2167	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2168	$self->activate;
1572	}	2169	}
1573		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2175	}
1576		2176
1577	$self->post_load;	2177	$self->post_load;
1578	}
1579		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2185	sub customise_for {
1581	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1582		2187
1583	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2189	if $self->per_player;
1585		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
1586	$self	2194	$self
1587	}	2195	}
1588		2196
1589	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2198	sub load_neighbours {
1591	my ($map) = @_;	2199	my ($map) = @_;
1592		2200
1593	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1594		2202
1595	for (0 .. 3) {	2203	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1597	or next;	2205	or next;
1598	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1599	or next;	2207	or next;
1600	$neigh->load;	2208	$neigh->load;
1601		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2214	}
1605		2215
1606	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1608	or next;	2219	or next;
1609	$neigh->load;	2220	$neigh->load;
1610	}	2221	}
1611	}	2222	}
1612		2223
1613	sub find_sync {	2224	sub find_sync {
1614	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1615		2226
1616	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1617	}	2231	}
1618		2232
1619	sub do_load_sync {	2233	sub do_load_sync {
1620	my ($map) = @_;	2234	my ($map) = @_;
1621		2235
1622	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1623	}	2240	}
1624		2241
1625	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1627		2244
1628	sub find_async {	2245	sub find_async {
1629	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1630		2247
1631	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1632		2249
1633	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2252	}
1636		2253
1637	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1638	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1639	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2261	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2262	$map->load if $v;
		2263	}
1644		2264
1645	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1646	}	2266	}
1647	}	2267	}
1648	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1649	};	2269	};
1650	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1651		2271
1652	()	2272	()
1653	}	2273	}
1654		2274
		2275	# common code, used by both ->save and ->swapout
1655	sub save {	2276	sub _save {
1656	my ($self) = @_;	2277	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2278
1660	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1661		2280
1662	return unless $self->dirty;	2281	return unless $self->dirty;
1663		2282
…		…
1669	return if $self->{deny_save};	2288	return if $self->{deny_save};
1670		2289
1671	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1672		2291
1673	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1675	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1676		2298
1677	if ($uniq) {	2299	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2302	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2304	}
1683	}	2305	}
1684		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1685	sub swap_out {	2315	sub swap_out {
1686	my ($self) = @_;	2316	my ($self) = @_;
1687		2317
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1693	return if $self->players;	2322	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1697	$self->clear;	2333	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2334	}
1700		2335
1701	sub reset_at {	2336	sub reset_at {
1702	my ($self) = @_;	2337	my ($self) = @_;
1703		2338
1704	# TODO: safety, remove and allow resettable per-player maps	2339	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2340	return 1e99 if $self->{deny_reset};
1707		2341
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2344
…		…
1721	my ($self) = @_;	2355	my ($self) = @_;
1722		2356
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2358
1725	return if $self->players;	2359	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2360
1728	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
1729		2362
1730	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1731		2364
1732	# need to save uniques path	2365	# need to save uniques path
1733	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2370	if $uniq;
1738	}	2371	}
1739		2372
1740	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1741		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2377	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2378
1746	$self->unlink_save;	2379	$self->unlink_save;
1747	$self->destroy;	2380	$self->destroy;
1748	}	2381	}
1749		2382
1750	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1751		2384
1752	sub nuke {	2385	sub nuke {
1753	my ($self) = @_;	2386	my ($self) = @_;
1754		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
1755	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
1756		2392
1757	$self->unlink_save;	2393	$self->unlink_save;
1758		2394
1759	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2400
1765	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
1766		2403
1767	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
		2405	}
		2406
		2407	=item $maps = cf::map::tmp_maps
		2408
		2409	Returns an arrayref with all map paths of currently instantiated and saved
		2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
		2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
		2424
		2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
1768	}	2441	}
1769		2442
1770	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1771		2444
1772	Returns an arrayref of paths of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2446	instantiated unique items. May block.
1774		2447
1775	=cut	2448	=cut
1776		2449
1777	sub unique_maps() {	2450	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2451	[
1779	or return;	2452	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2453	utf8::decode $_;
1785	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2456	? ()
1788	push @paths, cf::map::normalise $_;	2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2459	]
1790
1791	\@paths
1792	}	2460	}
1793		2461
1794	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1795		2493
1796	=back	2494	=back
1797		2495
1798	=head3 cf::object	2496	=head3 cf::object
1799		2497
…		…
1803		2501
1804	=over 4	2502	=over 4
1805		2503
1806	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1807		2505
1808	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1809		2508
1810	=cut	2509	=cut
1811		2510
1812	sub inv_recursive_;	2511	sub inv_recursive_;
1813	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1816		2515
1817	sub inv_recursive {	2516	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1819	}	2518	}
1820		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1821	package cf;	2548	package cf;
1822		2549
1823	=back	2550	=back
1824		2551
1825	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1834		2561
1835	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1836		2577
1837	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2579	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1842		2583
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2585
1845	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1847	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1850	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1851	}	2611	}
1852		2612
1853	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1854		2614
1855	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1868		2628
1869	=item $player_object->enter_link	2629	=item $player_object->enter_link
1870		2630
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2632
1873	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
1875		2637
1876	Will never block.	2638	Will never block.
1877		2639
1878	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1879		2641
…		…
1899	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2662	my ($self) = @_;
1901		2663
1902	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1903		2665
		2666	++$self->{_link_recursion};
		2667
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2669
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2671	if $self->map && $self->map->{path} ne "{link}";
1908		2672
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2674	}
1911		2675
1912	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
1914		2678
…		…
1931	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1933		2697
1934	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1937		2701
1938	$map->load;	2702	$map->load;
1939	$map->load_diag;	2703	$map->load_neighbours;
1940		2704
1941	return unless $self->contr->active;	2705	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2706
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
1946	}	2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
		2712	$self->activate_recursive;
		2713	}
1947		2714
		2715	}
		2716
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2718
1950	Moves the player to the given map-path and coordinates by first freezing	2719	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2720	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2721	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
1954		2727
1955	=cut	2728	=cut
1956		2729
1957	our $GOTOGEN;	2730	our $GOTOGEN;
1958		2731
1959	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
1961		2740
1962	# do generation counting so two concurrent goto's will be executed in-order	2741	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2743
1965	$self->enter_link;	2744	$self->enter_link;
1966		2745
1967	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
1968	my $map = eval {	2768	my $map = eval {
1969	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
1970		2770
1971	if ($map) {	2771	if ($map) {
1972	$map = $map->customise_for ($self);	2772	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2773	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2774	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2776	}
1977		2777
1978	$map	2778	$map
1979	};	2779	};
1980		2780
…		…
1985		2785
1986	if ($gen == $self->{_goto_generation}) {	2786	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2787	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
1989	}	2789	}
		2790
		2791	$done->($self) if $done;
1990	})->prio (1);	2792	})->prio (1);
1991	}	2793	}
1992		2794
1993	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1994		2796
…		…
2014	}	2816	}
2015		2817
2016	sub prepare_random_map {	2818	sub prepare_random_map {
2017	my ($exit) = @_;	2819	my ($exit) = @_;
2018		2820
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2823	# that depends on the exit object
2024		2824
2025	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2827	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2032	}	2834	}
2033		2835
2034	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2035		2837
2036	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2039		2841
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2844	undef $fh;
2043	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2044		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2047	}	2853	}
2048	}	2854	}
2049		2855
2050	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2052		2858
2053	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2054		2860
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2861	$self->enter_link;
2067		2862
2068	(async {	2863	(async {
2069	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2070	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2071	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2072		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2073	1;	2887	1
2074	}) {	2888	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2893
2080	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	2895	$self->leave_link;
2082	}	2896	}
2083	})->prio (1);	2897	})->prio (1);
2084	}	2898	}
2085		2899
…		…
2099		2913
2100	utf8::encode $text;	2914	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2916	}
2103		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2104	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2105		3106
2106	Sends an exti event to the client.	3107	Sends an ext event to the client.
2107		3108
2108	=cut	3109	=cut
2109		3110
2110	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2112		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
2115	}	3138	}
2116		3139
2117	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2118		3141
2119	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		3145
2123	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	3147	become reliable at some point in the future.
2125		3148
2126	=cut	3149	=cut
2127		3150
2128	sub cf::client::query {	3151	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3160	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3162
2140	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
2142	}	3167	}
2143		3168
2144	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
2145	on_reply => sub {	3175	on_reply => sub {
2146	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
2147		3177
2148	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
2149	# get handled first	3179	# get handled first
…		…
2161	} else {	3191	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3193	}
2164	}	3194	}
2165	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
2166	);	3222	);
2167		3223
2168	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
2169		3225
2170	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3242
2187	$coro	3243	$coro
2188	}	3244	}
2189		3245
2190	cf::client->attach (	3246	cf::client->attach (
2191	on_destroy => sub {	3247	on_client_destroy => sub {
2192	my ($ns) = @_;	3248	my ($ns) = @_;
2193		3249
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3251	},
2196	);	3252	);
…		…
2211	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2213		3269
2214	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2215		3271
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2217		3277
2218	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2219		3279
2220	=pod	3280	=pod
2221		3281
2222	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2223		3283
2224	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2225	cf::object::player player	3289	cf::object::player
2226	cf::player peaceful	3290	player
2227	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2228		3297
2229	=cut	3298	=cut
2230		3299
2231	for (	3300	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2236	) {	3307	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3310	for @funs;
2241	}	3311	}
2242		3312
…		…
2257		3327
2258	my $qcode = $code;	3328	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2261		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2262	local $_;	3335	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3336
2265	my $eval =	3337	my $eval =
2266	"do {\n"	3338	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3341	. $code
2270	. "\n}"	3342	. "\n}"
2271	;	3343	;
2272		3344
		3345	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2276		3354
2277	if ($@) {	3355	if ($@) {
2278	warn "$@";	3356	warn "$@",
2279	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2281	}	3359	}
2282		3360
2283	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2284	}	3362	}
2285		3363
…		…
2299	=cut	3377	=cut
2300		3378
2301	sub register_script_function {	3379	sub register_script_function {
2302	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2303		3381
2304	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2306	}	3384	}
2307		3385
2308	=back	3386	=back
2309		3387
2310	=cut	3388	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3389
2484	#############################################################################	3390	#############################################################################
2485	# the server's init and main functions	3391	# the server's init and main functions
2486		3392
2487	sub load_facedata($) {	3393	sub load_facedata($) {
2488	my ($path) = @_;	3394	my ($path) = @_;
2489		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2490	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2491		3403
2492	my $facedata;
2493	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2494	or die "$path: $!";	3405	or die "$path: $!";
2495		3406
2496	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2497		3408
2498	$facedata->{version} == 2	3409	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
2501	{	3421	{
2502	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2503		3423
2504	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3431
		3432	cf::cede_to_tick;
2510	}	3433	}
2511		3434
2512	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3436	next unless $info->{smooth};
		3437
2514	my $idx = cf::face::find $face	3438	my $idx = cf::face::find $face
2515	or next;	3439	or next;
		3440
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3441	if (my $smooth = cf::face::find $info->{smooth}) {
		3442	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3443	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3444	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3445	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3446	}
2521	Coro::cede;	3447
		3448	cf::cede_to_tick;
2522	}	3449	}
2523	}	3450	}
2524		3451
2525	{	3452	{
2526	my $anims = $facedata->{animinfo};	3453	my $anims = $facedata->{animinfo};
2527		3454
2528	while (my ($anim, $info) = each %$anims) {	3455	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3456	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3457	cf::cede_to_tick;
2531	}	3458	}
2532		3459
2533	cf::anim::invalidate_all; # d'oh	3460	cf::anim::invalidate_all; # d'oh
2534	}	3461	}
2535		3462
		3463	{
		3464	my $res = $facedata->{resource};
		3465
		3466	while (my ($name, $info) = each %$res) {
		3467	if (defined $info->{type}) {
		3468	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3469
		3470	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3471	cf::face::set_type $idx, $info->{type};
		3472	} else {
		3473	$RESOURCE{$name} = $info; # unused
		3474	}
		3475
		3476	cf::cede_to_tick;
		3477	}
		3478	}
		3479
		3480	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3481
2536	1	3482	1
2537	}	3483	}
2538		3484
		3485	register_exticmd fx_want => sub {
		3486	my ($ns, $want) = @_;
		3487
		3488	while (my ($k, $v) = each %$want) {
		3489	$ns->fx_want ($k, $v);
		3490	}
		3491	};
		3492
		3493	sub load_resource_file($) {
		3494	my $guard = lock_acquire "load_resource_file";
		3495
		3496	my $status = load_resource_file_ $_[0];
		3497	get_slot 0.1, 100;
		3498	cf::arch::commit_load;
		3499
		3500	$status
		3501	}
		3502
2539	sub reload_regions {	3503	sub reload_regions {
		3504	# HACK to clear player env face cache, we need some signal framework
		3505	# for this (global event?)
		3506	%ext::player_env::MUSIC_FACE_CACHE = ();
		3507
2540	load_resource_file "$MAPDIR/regions"	3508	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3509	or die "unable to load regions file\n";
		3510
		3511	for (cf::region::list) {
		3512	$_->{match} = qr/$_->{match}/
		3513	if exists $_->{match};
		3514	}
2542	}	3515	}
2543		3516
2544	sub reload_facedata {	3517	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3518	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3519	or die "unable to load facedata\n";
…		…
2554	sub reload_treasures {	3527	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3528	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3529	or die "unable to load treasurelists\n";
2557	}	3530	}
2558		3531
		3532	sub reload_sound {
		3533	trace "loading sound config from $DATADIR/sound\n";
		3534
		3535	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3536	or die "$DATADIR/sound $!";
		3537
		3538	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3539
		3540	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3541	my $sound = $soundconf->{compat}[$_]
		3542	or next;
		3543
		3544	my $face = cf::face::find "sound/$sound->[1]";
		3545	cf::sound::set $sound->[0] => $face;
		3546	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3547	}
		3548
		3549	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3550	my $face = cf::face::find "sound/$v";
		3551	cf::sound::set $k => $face;
		3552	}
		3553	}
		3554
2559	sub reload_resources {	3555	sub reload_resources {
2560	warn "reloading resource files...\n";	3556	trace "reloading resource files...\n";
2561		3557
		3558	reload_exp_table;
		3559	reload_materials;
		3560	reload_facedata;
		3561	reload_sound;
		3562	reload_archetypes;
2562	reload_regions;	3563	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3564	reload_treasures;
2566		3565
2567	warn "finished reloading resource files\n";	3566	trace "finished reloading resource files\n";
2568	}	3567	}
2569		3568
2570	sub init {	3569	sub reload_config {
2571	reload_resources;	3570	trace "reloading config file...\n";
2572	}
2573		3571
2574	sub cfg_load {	3572	0 < aio_load "$CONFDIR/config", my $config
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3573	or die "$CONFDIR/config: $!";
2576	or return;
2577		3574
2578	local $/;	3575	utf8::decode $config;
2579	*CFG = YAML::Syck::Load <$fh>;	3576	*CFG = yaml_load $config;
2580		3577
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3578	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3579
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3580	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3581	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2585		3582
2586	if (exists $CFG{mlockall}) {	3583	if (exists $CFG{mlockall}) {
…		…
2590	};	3587	};
2591	warn $@ if $@;	3588	warn $@ if $@;
2592	}	3589	}
2593	}	3590	}
2594		3591
		3592	sub pidfile() {
		3593	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3594	or die "$PIDFILE: $!";
		3595	flock $fh, &Fcntl::LOCK_EX
		3596	or die "$PIDFILE: flock: $!";
		3597	$fh
		3598	}
		3599
		3600	# make sure only one server instance is running at any one time
		3601	sub atomic {
		3602	my $fh = pidfile;
		3603
		3604	my $pid = <$fh>;
		3605	kill 9, $pid if $pid > 0;
		3606
		3607	seek $fh, 0, 0;
		3608	print $fh $$;
		3609	}
		3610
		3611	sub main_loop {
		3612	trace "EV::loop starting\n";
		3613	if (1) {
		3614	EV::loop;
		3615	}
		3616	trace "EV::loop returned\n";
		3617	goto &main_loop unless $REALLY_UNLOOP;
		3618	}
		3619
2595	sub main {	3620	sub main {
		3621	cf::init_globals; # initialise logging
		3622
		3623	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3624	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3625	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3626	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3627
		3628	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3629
2596	# we must not ever block the main coroutine	3630	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3631	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3632	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3633	(async {
2600	Event::one_event;	3634	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3635	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3636	})->prio (Coro::PRIO_MAX);
2602	};	3637	};
2603		3638
2604	cfg_load;	3639	evthread_start IO::AIO::poll_fileno;
		3640
		3641	cf::sync_job {
		3642	cf::incloader::init ();
		3643
		3644	cf::init_anim;
		3645	cf::init_attackmess;
		3646	cf::init_dynamic;
		3647
		3648	cf::load_settings;
		3649
		3650	reload_resources;
		3651	reload_config;
2605	db_init;	3652	db_init;
		3653
		3654	cf::init_uuid;
		3655	cf::init_signals;
		3656	cf::init_skills;
		3657
		3658	cf::init_beforeplay;
		3659
		3660	atomic;
		3661
2606	load_extensions;	3662	load_extensions;
2607		3663
2608	$TICK_WATCHER->start;	3664	utime time, time, $RUNTIMEFILE;
2609	Event::loop;	3665
		3666	# no (long-running) fork's whatsoever before this point(!)
		3667	use POSIX ();
		3668	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3669
		3670	cf::_post_init 0;
		3671	};
		3672
		3673	cf::object::thawer::errors_are_fatal 0;
		3674	info "parse errors in files are no longer fatal from this point on.\n";
		3675
		3676	my $free_main; $free_main = EV::idle sub {
		3677	undef $free_main;
		3678	undef &main; # free gobs of memory :)
		3679	};
		3680
		3681	goto &main_loop;
2610	}	3682	}
2611		3683
2612	#############################################################################	3684	#############################################################################
2613	# initialisation and cleanup	3685	# initialisation and cleanup
2614		3686
2615	# install some emergency cleanup handlers	3687	# install some emergency cleanup handlers
2616	BEGIN {	3688	BEGIN {
		3689	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3690	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3691	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3692	cf::cleanup "SIG$signal";
2625	},
2626	);	3693	};
		3694	}
		3695	}
		3696
		3697	sub write_runtime_sync {
		3698	my $t0 = AE::time;
		3699
		3700	# first touch the runtime file to show we are still running:
		3701	# the fsync below can take a very very long time.
		3702
		3703	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3704
		3705	my $guard = cf::lock_acquire "write_runtime";
		3706
		3707	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3708	or return;
		3709
		3710	my $value = $cf::RUNTIME + 90 + 10;
		3711	# 10 is the runtime save interval, for a monotonic clock
		3712	# 60 allows for the watchdog to kill the server.
		3713
		3714	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3715	and return;
		3716
		3717	# always fsync - this file is important
		3718	aio_fsync $fh
		3719	and return;
		3720
		3721	# touch it again to show we are up-to-date
		3722	aio_utime $fh, undef, undef;
		3723
		3724	close $fh
		3725	or return;
		3726
		3727	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3728	and return;
		3729
		3730	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3731
2627	}	3732	1
		3733	}
		3734
		3735	our $uuid_lock;
		3736	our $uuid_skip;
		3737
		3738	sub write_uuid_sync($) {
		3739	$uuid_skip ||= $_[0];
		3740
		3741	return if $uuid_lock;
		3742	local $uuid_lock = 1;
		3743
		3744	my $uuid = "$LOCALDIR/uuid";
		3745
		3746	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3747	or return;
		3748
		3749	my $value = uuid_seq uuid_cur;
		3750
		3751	unless ($value) {
		3752	info "cowardly refusing to write zero uuid value!\n";
		3753	return;
		3754	}
		3755
		3756	my $value = uuid_str $value + $uuid_skip;
		3757	$uuid_skip = 0;
		3758
		3759	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3760	and return;
		3761
		3762	# always fsync - this file is important
		3763	aio_fsync $fh
		3764	and return;
		3765
		3766	close $fh
		3767	or return;
		3768
		3769	aio_rename "$uuid~", $uuid
		3770	and return;
		3771
		3772	trace "uuid file written ($value).\n";
		3773
		3774	1
		3775
		3776	}
		3777
		3778	sub write_uuid($$) {
		3779	my ($skip, $sync) = @_;
		3780
		3781	$sync ? write_uuid_sync $skip
		3782	: async { write_uuid_sync $skip };
2628	}	3783	}
2629		3784
2630	sub emergency_save() {	3785	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3786	my $freeze_guard = cf::freeze_mainloop;
2632		3787
2633	warn "enter emergency perl save\n";	3788	info "emergency_perl_save: enter\n";
		3789
		3790	# this is a trade-off: we want to be very quick here, so
		3791	# save all maps without fsync, and later call a global sync
		3792	# (which in turn might be very very slow)
		3793	local $USE_FSYNC = 0;
2634		3794
2635	cf::sync_job {	3795	cf::sync_job {
		3796	cf::write_runtime_sync; # external watchdog should not bark
		3797
2636	# use a peculiar iteration method to avoid tripping on perl	3798	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3799	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3800	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3801	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3802	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3803	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3804	$pl->valid or next;
		3805	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3806	$pl->save;
2644	}	3807	}
2645	warn "end emergency player save\n";	3808	info "emergency_perl_save: end player save\n";
2646		3809
2647	warn "begin emergency map save\n";	3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
		3812	info "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	3813	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3814	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3815	$map->valid or next;
2651	$map->save;	3816	$map->save;
2652	}	3817	}
2653	warn "end emergency map save\n";	3818	info "emergency_perl_save: end map save\n";
2654		3819
2655	warn "begin emergency database checkpoint\n";	3820	cf::write_runtime_sync; # external watchdog should not bark
		3821
		3822	info "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3823	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3824	info "emergency_perl_save: end database checkpoint\n";
		3825
		3826	info "emergency_perl_save: begin write uuid\n";
		3827	write_uuid_sync 1;
		3828	info "emergency_perl_save: end write uuid\n";
		3829
		3830	cf::write_runtime_sync; # external watchdog should not bark
		3831
		3832	trace "emergency_perl_save: syncing database to disk";
		3833	BDB::db_env_txn_checkpoint $DB_ENV;
		3834
		3835	info "emergency_perl_save: starting sync\n";
		3836	IO::AIO::aio_sync sub {
		3837	info "emergency_perl_save: finished sync\n";
		3838	};
		3839
		3840	cf::write_runtime_sync; # external watchdog should not bark
		3841
		3842	trace "emergency_perl_save: flushing outstanding aio requests";
		3843	while (IO::AIO::nreqs || BDB::nreqs) {
		3844	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3845	}
		3846
		3847	cf::write_runtime_sync; # external watchdog should not bark
2658	};	3848	};
2659		3849
2660	warn "leave emergency perl save\n";	3850	info "emergency_perl_save: leave\n";
2661	}	3851	}
2662		3852
2663	sub post_cleanup {	3853	sub post_cleanup {
2664	my ($make_core) = @_;	3854	my ($make_core) = @_;
2665		3855
		3856	IO::AIO::flush;
		3857
2666	warn Carp::longmess "post_cleanup backtrace"	3858	error Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3859	if $make_core;
		3860
		3861	my $fh = pidfile;
		3862	unlink $PIDFILE if <$fh> == $$;
		3863	}
		3864
		3865	# a safer delete_package, copied from Symbol
		3866	sub clear_package($) {
		3867	my $pkg = shift;
		3868
		3869	# expand to full symbol table name if needed
		3870	unless ($pkg =~ /^main::.*::$/) {
		3871	$pkg = "main$pkg" if $pkg =~ /^::/;
		3872	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3873	$pkg .= '::' unless $pkg =~ /::$/;
		3874	}
		3875
		3876	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3877	my $stem_symtab = *{$stem}{HASH};
		3878
		3879	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3880	or return;
		3881
		3882	# clear all symbols
		3883	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3884	for my $name (keys %$leaf_symtab) {
		3885	_gv_clear *{"$pkg$name"};
		3886	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3887	}
2668	}	3888	}
2669		3889
2670	sub do_reload_perl() {	3890	sub do_reload_perl() {
2671	# can/must only be called in main	3891	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3892	unless (in_main) {
2673	warn "can only reload from main coroutine";	3893	error "can only reload from main coroutine";
2674	return;	3894	return;
2675	}	3895	}
2676		3896
2677	warn "reloading...";	3897	return if $RELOAD++;
2678		3898
2679	warn "entering sync_job";	3899	my $t1 = AE::time;
2680		3900
		3901	while ($RELOAD) {
		3902	cf::get_slot 0.1, -1, "reload_perl";
		3903	info "perl_reload: reloading...";
		3904
		3905	trace "perl_reload: entering sync_job";
		3906
2681	cf::sync_job {	3907	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark
2683	cf::emergency_save;	3908	#cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark
2685		3909
2686	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;
2688
2689	# if anything goes wrong in here, we should simply crash as we already saved
2690
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";	3910	trace "perl_reload: cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;	3911	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();	3912	%EXT_CORO = ();
2710		3913
2711	warn "removing commands";	3914	trace "perl_reload: removing commands";
2712	%COMMAND = ();	3915	%COMMAND = ();
2713		3916
2714	warn "removing ext commands";	3917	trace "perl_reload: removing ext/exti commands";
2715	%EXTCMD = ();	3918	%EXTCMD = ();
		3919	%EXTICMD = ();
2716		3920
2717	warn "unloading/nuking all extensions";	3921	trace "perl_reload: unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3922	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3923	trace "... unloading $pkg";
2720		3924
2721	if (my $cb = $pkg->can ("unload")) {	3925	if (my $cb = $pkg->can ("unload")) {
2722	eval {	3926	eval {
2723	$cb->($pkg);	3927	$cb->($pkg);
2724	1	3928	1
2725	} or warn "$pkg unloaded, but with errors: $@";	3929	} or error "$pkg unloaded, but with errors: $@";
		3930	}
		3931
		3932	trace "... clearing $pkg";
		3933	clear_package $pkg;
2726	}	3934	}
2727		3935
2728	warn "... nuking $pkg";
2729	Symbol::delete_package $pkg;
2730	}
2731
2732	warn "unloading all perl modules loaded from $LIBDIR";	3936	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2733	while (my ($k, $v) = each %INC) {	3937	while (my ($k, $v) = each %INC) {
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3939
2736	warn "... unloading $k";	3940	trace "... unloading $k";
2737	delete $INC{$k};	3941	delete $INC{$k};
2738		3942
2739	$k =~ s/\.pm$//;	3943	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;	3944	$k =~ s/\//::/g;
2741		3945
2742	if (my $cb = $k->can ("unload_module")) {	3946	if (my $cb = $k->can ("unload_module")) {
2743	$cb->();	3947	$cb->();
		3948	}
		3949
		3950	clear_package $k;
2744	}	3951	}
2745		3952
2746	Symbol::delete_package $k;
2747	}
2748
2749	warn "getting rid of safe::, as good as possible";	3953	trace "perl_reload: getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	3954	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		3956
2753	warn "unloading cf.pm \"a bit\"";	3957	trace "perl_reload: unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	3958	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	3959	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		3960
2757	# don't, removes xs symbols, too,	3961	# don't, removes xs symbols, too,
2758	# and global variables created in xs	3962	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	3963	#clear_package __PACKAGE__;
2760		3964
2761	warn "unload completed, starting to reload now";	3965	info "perl_reload: unload completed, starting to reload now";
2762		3966
2763	warn "reloading cf.pm";	3967	trace "perl_reload: reloading cf.pm";
2764	require cf;	3968	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3969	cf::_connect_to_perl_1;
2766		3970
2767	warn "loading config and database again";	3971	trace "perl_reload: loading config and database again";
2768	cf::cfg_load;	3972	cf::reload_config;
2769		3973
2770	warn "loading extensions";	3974	trace "perl_reload: loading extensions";
2771	cf::load_extensions;	3975	cf::load_extensions;
2772		3976
		3977	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	3978	trace "perl_reload: reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	3979	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	3980	trace "perl_reload: reattaching attachments to maps";
2776	reattach $_ for values %MAP;	3981	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	3982	trace "perl_reload: reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	3983	reattach $_ for values %PLAYER;
		3984	}
2779		3985
2780	warn "leaving sync_job";	3986	cf::_post_init 1;
2781		3987
		3988	trace "perl_reload: leaving sync_job";
		3989
2782	1	3990	1
2783	} or do {	3991	} or do {
2784	warn $@;	3992	error $@;
2785	warn "error while reloading, exiting.";	3993	cf::cleanup "perl_reload: error, exiting.";
2786	exit 1;	3994	};
		3995
		3996	--$RELOAD;
2787	};	3997	}
2788		3998
2789	warn "reloaded";	3999	$t1 = AE::time - $t1;
		4000	info "perl_reload: completed in ${t1}s\n";
2790	};	4001	};
2791		4002
2792	our $RELOAD_WATCHER; # used only during reload	4003	our $RELOAD_WATCHER; # used only during reload
2793		4004
2794	sub reload_perl() {	4005	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	4006	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	4007	# coro crashes during coro_state_free->destroy here.
2797		4008
2798	$RELOAD_WATCHER ||= Event->timer (	4009	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	4010	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	4011
2801	data => WF_AUTOCANCEL,	4012	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	4013	do_reload_perl;
2804	undef $RELOAD_WATCHER;	4014	undef $RELOAD_WATCHER;
2805	},	4015	};
2806	);	4016	};
2807	}	4017	}
2808		4018
2809	register_command "reload" => sub {	4019	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	4020	my ($who, $arg) = @_;
2811		4021
2812	if ($who->flag (FLAG_WIZ)) {	4022	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	4023	$who->message ("reloading server.");
		4024	async {
		4025	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	4026	reload_perl;
		4027	};
2815	}	4028	}
2816	};	4029	};
2817		4030
2818	unshift @INC, $LIBDIR;	4031	#############################################################################
2819		4032
2820	my $bug_warning = 0;	4033	my $bug_warning = 0;
2821		4034
2822	our @WAIT_FOR_TICK;	4035	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	4036	our @WAIT_FOR_TICK_BEGIN;
2824		4037
2825	sub wait_for_tick {	4038	sub wait_for_tick() {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	4039	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2828		4040
2829	my $signal = new Coro::Signal;	4041	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	4042	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	4043	$signal->wait;
2832	}	4044	}
2833		4045
2834	sub wait_for_tick_begin {	4046	sub wait_for_tick_begin() {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	4047	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2837		4048
2838	my $signal = new Coro::Signal;	4049	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4050	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4051	$signal->wait;
2841	}	4052	}
2842		4053
2843	my $min = 1e6;#d#	4054	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4055	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	4057	unless ++$bug_warning > 10;
2855	return;	4058	return;
2856	}	4059	}
2857		4060
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	4061	cf::server_tick; # one server iteration
2861		4062
2862	0 && sync_job {#d#	4063	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2863	for(1..10) {
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867		4064
2868	$map->width (50);	4065	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2869	$map->height (50);	4066	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2870	$map->alloc;	4067	Coro::async_pool {
2871	$map->_load_objects ("/tmp/x.map", 1);	4068	$Coro::current->{desc} = "runtime saver";
2872	my $t = Event::time - $t;	4069	write_runtime_sync
2873		4070	or error "ERROR: unable to write runtime file: $!";
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4071	};
		4072	}
2884		4073
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4074	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4075	$sig->send;
2901	}	4076	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4077	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	4078	$sig->send;
2904	}	4079	}
2905		4080
2906	$NOW = Event::time;	4081	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4082	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4083
2917	_post_tick;	4084	if (0) {
2918		4085	if ($NEXT_TICK) {
2919		4086	my $jitter = $TICK_START - $NEXT_TICK;
		4087	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4088	debug "jitter $JITTER\n";#d#
		4089	}
2920	},	4090	}
2921	);	4091	}
2922		4092
2923	{	4093	{
2924	BDB::max_poll_time $TICK * 0.1;	4094	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4095
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4096	BDB::min_parallel 16;
2934		4097	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4098	$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4099
2950	unless ($DB_ENV) {	4100	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	4101	$DB_ENV = BDB::db_env_create;
		4102	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4103	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4104	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4105	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4106	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		4107
2953	cf::sync_job {	4108	cf::sync_job {
2954	eval {	4109	eval {
2955	BDB::db_env_open	4110	BDB::db_env_open
2956	$DB_ENV,	4111	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4115	0666;
2961		4116
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4118	};
2967		4119
2968	cf::cleanup "db_env_open(db): $@" if $@;	4120	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4121	};
2970	}	4122	}
		4123
		4124	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4125	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4126	};
		4127	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4128	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4129	};
		4130	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4131	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4132	};
2971	}	4133	}
2972		4134
2973	{	4135	{
		4136	# configure IO::AIO
		4137
2974	IO::AIO::min_parallel 8;	4138	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4139	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4140	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4141	}
2987		4142
2988	my $_log_backtrace;	4143	our $_log_backtrace;
		4144	our $_log_backtrace_last;
2989		4145
2990	sub _log_backtrace {	4146	sub _log_backtrace {
2991	my ($msg, @addr) = @_;	4147	my ($msg, @addr) = @_;
2992		4148
2993	$msg =~ s/\n//;	4149	$msg =~ s/\n$//;
2994		4150
		4151	if ($_log_backtrace_last eq $msg) {
		4152	LOG llevInfo, "[ABT] $msg\n";
		4153	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2995	# limit the # of concurrent backtraces	4154	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4155	} elsif ($_log_backtrace < 2) {
		4156	$_log_backtrace_last = $msg;
2997	++$_log_backtrace;	4157	++$_log_backtrace;
		4158	my $perl_bt = Carp::longmess $msg;
2998	async {	4159	async {
		4160	$Coro::current->{desc} = "abt $msg";
		4161
2999	my @bt = fork_call {	4162	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4163	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4164	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4165	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4166	or die "addr2line: $!";
…		…
3011	}	4174	}
3012		4175
3013	@funcs	4176	@funcs
3014	};	4177	};
3015		4178
3016	LOG llevInfo, "[ABT] $msg\n";	4179	LOG llevInfo, "[ABT] $perl_bt\n";
		4180	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4181	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4182	--$_log_backtrace;
3019	};	4183	};
3020	} else {	4184	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4185	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4186	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3023	}	4187	}
3024	}	4188	}
3025		4189
3026	# load additional modules	4190	# load additional modules
3027	use cf::pod;	4191	require "cf/$_.pm" for @EXTRA_MODULES;
		4192	cf::_connect_to_perl_2;
3028		4193
3029	END { cf::emergency_save }	4194	END { cf::emergency_save }
3030		4195
3031	1	4196	1
3032		4197

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