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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 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;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	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	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		145
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
98		155
99	binmode STDOUT;	156	binmode STDOUT;
100	binmode STDERR;	157	binmode STDERR;
101		158
102	# read virtual server time, if available	159	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
107	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
108		167
109	mkdir $_	168	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		170
112	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
113		172
114	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		189
116	#############################################################################	190	#############################################################################
117		191
118	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
119		193
…		…
155		229
156	The raw value load value from the last tick.	230	The raw value load value from the last tick.
157		231
158	=item %cf::CFG	232	=item %cf::CFG
159		233
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	235	from wherever your confdir points to.
162		236
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		238
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	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	240	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.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
169	=back	260	=back
170		261
171	=cut	262	=cut
172		263
173	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	271	my $msg = join "", @_;
176		272
177	$msg .= "\n"	273	$msg .= "\n"
178	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
179		275
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		277
182	utf8::encode $msg;
183	LOG llevError, $msg;	278	LOG llevWarn, $msg;
184	};	279	};
185	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
186		294
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		302
194	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	304	# within the Safe compartment.
196	for my $pkg (qw(	305	for my $pkg (qw(
197	cf::global cf::attachable	306	cf::global cf::attachable
198	cf::object cf::object::player	307	cf::object cf::object::player
199	cf::client cf::player	308	cf::client cf::player
200	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
201	cf::map cf::party cf::region	311	cf::party cf::region
202	)) {	312	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	314	}
206		315
207	$Event::DIED = sub {	316	$EV::DIED = sub {
208	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
209	};	318	};
		319
		320	#############################################################################
210		321
211	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
212		323
213	=over 4	324	=over 4
214		325
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	345	$d
235	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
236	}	347	}
237		348
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
241		350
242	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
243		352
244	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
245		354
246	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
247		356
		357	=cut
		358
		359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		360
		361	sub encode_json($) { $json_coder->encode ($_[0]) }
		362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
		405	}
		406
248	=item cf::lock_wait $string	407	=item cf::lock_wait $string
249		408
250	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
251		410
252	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
253		412
254	Wait until the given lock is available and then acquires it and returns	413	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,	414	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	415	for example when the coroutine gets canceled), the lock is automatically
257	returned.	416	returned.
258		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
259	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
261		423
262	=item $locked = cf::lock_active $string	424	=item $locked = cf::lock_active $string
263		425
264	Return true if the lock is currently active, i.e. somebody has locked it.	426	Return true if the lock is currently active, i.e. somebody has locked it.
265		427
266	=cut	428	=cut
267		429
268	our %LOCK;	430	our $LOCKS = new Coro::SemaphoreSet;
269		431
270	sub lock_wait($) {	432	sub lock_wait($) {
271	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	434	}
279		435
280	sub lock_acquire($) {	436	sub lock_acquire($) {
281	my ($key) = @_;	437	$LOCKS->guard ($_[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	}	438	}
293		439
294	sub lock_active($) {	440	sub lock_active($) {
295	my ($key) = @_;	441	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	442	}
299		443
300	sub freeze_mainloop {	444	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
302		446
303	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	448	}
		449
		450	=item cf::periodic $interval, $cb
		451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
305	};	514	}
306	$TICK_WATCHER->stop;	515	};
307	$guard	516
		517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
308	}	530	}
309		531
310	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
311		533
312	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		539
318	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
319		541
320	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
321		543
322	The design of crossfire+ requires that the main coro ($Coro::main) is	544	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	545	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		547	acceptable.
325		548
326	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	551	server will be frozen during this time, so the block should either finish
329	fast or be very important.	552	fast or be very important.
…		…
331	=cut	554	=cut
332		555
333	sub sync_job(&) {	556	sub sync_job(&) {
334	my ($job) = @_;	557	my ($job) = @_;
335		558
336	if ($Coro::current == $Coro::main) {	559	if (in_main) {
337	my $time = Event::time;	560	my $time = AE::time;
338		561
339	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
341		564
342	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	566
344	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
345		568
346	my $busy = 1;	569	my $busy = 1;
347	my @res;	570	my @res;
348		571
349	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	574	@res = eval { $job->() };
351	warn $@ if $@;	575	error $@ if $@;
352	undef $busy;	576	undef $busy;
353	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
354		578
355	while ($busy) {	579	while ($busy) {
356	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
357	}	584	}
		585	}
358		586
359	$time = Event::time - $time;	587	my $time = AE::time - $time;
360		588
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	589	$TICK_START += $time; # do not account sync jobs to server load
365		590
366	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
367	} else {	592	} else {
368	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
369		594
…		…
389	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
390		615
391	$coro	616	$coro
392	}	617	}
393		618
394	sub write_runtime {	619	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		620
397	# first touch the runtime file to show we are still running:	621	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	622	process, returning the results. Everything must be serialisable with
		623	Coro::Storable. May, of course, block. Note that the executed sub may
		624	never block itself or use any form of event handling.
399		625
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	626	=cut
401	utime undef, undef, $fh;	627
		628	sub post_fork {
		629	reset_signals;
		630	}
		631
		632	sub fork_call(&@) {
		633	my ($cb, @args) = @_;
		634
		635	# we seemingly have to make a local copy of the whole thing,
		636	# otherwise perl prematurely frees the stuff :/
		637	# TODO: investigate and fix (likely this will be rather laborious)
		638
		639	my @res = Coro::Util::fork_eval {
		640	cf::post_fork;
		641	&$cb
		642	} @args;
		643
		644	wantarray ? @res : $res[-1]
		645	}
		646
		647	sub objinfo {
		648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
		683	}
		684
		685	=item $value = cf::db_get $family => $key
		686
		687	Returns a single value from the environment database.
		688
		689	=item cf::db_put $family => $key => $value
		690
		691	Stores the given C<$value> in the family. It can currently store binary
		692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
		699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
402	}	715	};
		716	cf::cleanup "db_open(db): $@" if $@;
403		717
404	my $guard = cf::lock_acquire "write_runtime";	718	$db
		719	}
405		720
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	721	our $DB;
407	or return;
408		722
409	my $value = $cf::RUNTIME + 90 + 10;	723	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	724	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	725	}
412		726
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	727	sub db_get($$) {
414	and return;	728	my $key = "$_[0]/$_[1]";
415		729
416	# always fsync - this file is important	730	cf::error "db_get called from main context"
417	aio_fsync $fh	731	if $Coro::current == $Coro::main;
418	and return;
419		732
420	# touch it again to show we are up-to-date	733	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		734
423	close $fh	735	$! ? ()
424	or return;	736	: $data
		737	}
425		738
426	aio_rename "$runtime~", $runtime	739	sub db_put($$$) {
427	and return;	740	BDB::dbreq_pri 4;
		741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		742	}
428		743
429	warn "runtime file written.\n";#d#	744	=item cf::cache $id => [$paths...], $processversion => $process
430		745
		746	Generic caching function that returns the value of the resource $id,
		747	caching and regenerating as required.
		748
		749	This function can block.
		750
		751	=cut
		752
		753	sub cache {
		754	my ($id, $src, $processversion, $process) = @_;
		755
		756	my $meta =
		757	join "\x00",
		758	$processversion,
		759	map {
		760	aio_stat $_
		761	and Carp::croak "$_: $!";
		762
		763	($_, (stat _)[7,9])
		764	} @$src;
		765
		766	my $dbmeta = db_get cache => "$id/meta";
		767	if ($dbmeta ne $meta) {
		768	# changed, we may need to process
		769
		770	my @data;
		771	my $md5;
		772
		773	for (0 .. $#$src) {
		774	0 <= aio_load $src->[$_], $data[$_]
		775	or Carp::croak "$src->[$_]: $!";
		776	}
		777
		778	# if processing is expensive, check
		779	# checksum first
		780	if (1) {
		781	$md5 =
		782	join "\x00",
		783	$processversion,
		784	map {
		785	cf::cede_to_tick;
		786	($src->[$_], Digest::MD5::md5_hex $data[$_])
		787	} 0.. $#$src;
		788
		789
		790	my $dbmd5 = db_get cache => "$id/md5";
		791	if ($dbmd5 eq $md5) {
		792	db_put cache => "$id/meta", $meta;
		793
		794	return db_get cache => "$id/data";
		795	}
		796	}
		797
		798	my $t1 = Time::HiRes::time;
		799	my $data = $process->(\@data);
		800	my $t2 = Time::HiRes::time;
		801
		802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		803
		804	db_put cache => "$id/data", $data;
		805	db_put cache => "$id/md5" , $md5;
		806	db_put cache => "$id/meta", $meta;
		807
		808	return $data;
431	1	809	}
		810
		811	db_get cache => "$id/data"
432	}	812	}
433		813
434	=item cf::datalog type => key => value, ...	814	=item cf::datalog type => key => value, ...
435		815
436	Log a datalog packet of the given type with the given key-value pairs.	816	Log a datalog packet of the given type with the given key-value pairs.
437		817
438	=cut	818	=cut
439		819
440	sub datalog($@) {	820	sub datalog($@) {
441	my ($type, %kv) = @_;	821	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	823	}
444		824
445	=back	825	=back
446		826
447	=cut	827	=cut
448		828
449	#############################################################################	829	#############################################################################
450		830
451	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
452		832
453	Many objects in crossfire are so-called attachable objects. That means you can	833	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
456		836
457	In the following description, CLASS can be any of C<global>, C<object>	837	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	839	Deliantra).
460		840
461	=over 4	841	=over 4
462		842
463	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
464		844
…		…
508	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
509		889
510	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
512		892
513	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	894	that are attached at load/instantiate time, thus the need for a name.
515		895
516	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
517		897
518	=over 4	898	=over 4
…		…
642		1022
643	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1025
646	} elsif (ref $type) {	1026	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
648		1028
649	} else {	1029	} else {
650	shift @arg;	1030	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
652	}	1032	}
653	}	1033	}
654	}	1034	}
655		1035
656	sub _object_attach {	1036	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
667	}	1047	}
668		1048
669	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
670	} else {	1050	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1052	}
673		1053
674	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
675	}	1055	}
676		1056
…		…
716	";	1096	";
717	die if $@;	1097	die if $@;
718	}	1098	}
719		1099
720	our $override;	1100	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1101	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1102
723	sub override {	1103	sub override {
724	$override = 1;	1104	$override = 1;
725	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
726	}	1106	}
727		1107
728	sub do_invoke {	1108	sub do_invoke {
729	my $event = shift;	1109	my $event = shift;
730	my $callbacks = shift;	1110	my $callbacks = shift;
731		1111
732	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
733		1113
734	local $override;	1114	local $override;
735		1115
736	for (@$callbacks) {	1116	for (@$callbacks) {
737	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
738		1118
739	if ($@) {	1119	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1121	override;
743	}	1122	}
744		1123
745	return 1 if $override;	1124	return 1 if $override;
746	}	1125	}
747		1126
748	0	1127	0
749	}	1128	}
750		1129
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1131
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1133
755	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
756		1135
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1136	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1137	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1139
761	=back	1140	=back
762		1141
763	=cut	1142	=cut
764		1143
765	#############################################################################	1144	#############################################################################
766	# object support	1145	# object support
		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
		1180	sub _can_merge {
		1181	my ($ob1, $ob2) = @_;
		1182
		1183	++$SLOW_MERGES;#d#
		1184
		1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
		1187	}
767		1188
768	sub reattach {	1189	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1191	my ($obj) = @_;
771		1192
		1193	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1195
774	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
775		1197
776	@$registry = ();	1198	@$registry = ();
777		1199
…		…
782	for (@$attach) {	1204	for (@$attach) {
783	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
785	}	1207	}
786	} else {	1208	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1210	}
789	}	1211	}
790	}	1212	}
791		1213
792	cf::attachable->attach (	1214	cf::attachable->attach (
793	prio => -1000000,	1215	prio => -1000000,
794	on_instantiate => sub {	1216	on_instantiate => sub {
795	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
796		1218
797	$data = from_json $data;	1219	$data = decode_json $data;
798		1220
799	for (@$data) {	1221	for (@$data) {
800	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
801		1223
802	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1240	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
820		1242
821	sync_job {	1243	sync_job {
822	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
825		1249
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($cf::USE_FSYNC) {
		1254	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;
		1255	aio_fsync $fh;
		1256	}
830	close $fh;	1257	aio_close $fh;
831		1258
832	if (@$objs) {	1259	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($cf::USE_FSYNC) {
		1265	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;
		1266	aio_fsync $fh;
		1267	}
838	close $fh;	1268	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
840	}	1270	}
841	} else {	1271	} else {
842	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
843	}	1273	}
844		1274
845	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1279	} else {
847	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
848	}	1281	}
849	} else {	1282	} else {
850	aio_unlink $filename;	1283	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
852	}	1285	}
853	}	1286	};
854	}	1287	}
855		1288
856	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
858		1291
…		…
870	or return;	1303	or return;
871		1304
872	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
874	or return;	1307	or return;
		1308
875	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
876	}	1311	}
877		1312
		1313	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
880	return ($data, $av);	1318	($data, $av)
881	}	1319	}
		1320
		1321	=head2 COMMAND CALLBACKS
		1322
		1323	=over 4
		1324
		1325	=cut
882		1326
883	#############################################################################	1327	#############################################################################
884	# command handling &c	1328	# command handling &c
885		1329
886	=item cf::register_command $name => \&callback($ob,$args);	1330	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1343	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1344	}
901		1345
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1346	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1347
904	Register a callbackf ro execution when the client sends an extcmd packet.	1348	Register a callback for execution when the client sends an (synchronous)
		1349	extcmd packet. Ext commands will be processed in the order they are
		1350	received by the server, like other user commands. The first argument is
		1351	the logged-in player. Ext commands can only be processed after a player
		1352	has logged in successfully.
905		1353
906	If the callback returns something, it is sent back as if reply was being	1354	If the callback returns something, it is sent back as if reply was being
907	called.	1355	called.
908		1356
		1357	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1358
		1359	Register a callback for execution when the client sends an (asynchronous)
		1360	exticmd packet. Exti commands are processed by the server as soon as they
		1361	are received, i.e. out of order w.r.t. other commands. The first argument
		1362	is a client socket. Exti commands can be received anytime, even before
		1363	log-in.
		1364
		1365	If the callback returns something, it is sent back as if reply was being
		1366	called.
		1367
909	=cut	1368	=cut
910		1369
911	sub register_extcmd {	1370	sub register_extcmd {
912	my ($name, $cb) = @_;	1371	my ($name, $cb) = @_;
913		1372
914	$EXTCMD{$name} = $cb;	1373	$EXTCMD{$name} = $cb;
915	}	1374	}
916		1375
		1376	sub register_exticmd {
		1377	my ($name, $cb) = @_;
		1378
		1379	$EXTICMD{$name} = $cb;
		1380	}
		1381
		1382	use File::Glob ();
		1383
917	cf::player->attach (	1384	cf::player->attach (
918	on_command => sub {	1385	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
920		1387
921	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
922	or return;	1389	or return;
923		1390
…		…
928	cf::override;	1395	cf::override;
929	},	1396	},
930	on_extcmd => sub {	1397	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
932		1399
933	my $msg = eval { from_json $buf };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1401
935	if (ref $msg) {	1402	if (ref $msg) {
		1403	my ($type, $reply, @payload) =
		1404	"ARRAY" eq ref $msg
		1405	? @$msg
		1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1407
		1408	my @reply;
		1409
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
941	} else {	1417	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1419	}
944		1420
945	cf::override;	1421	cf::override;
946	},	1422	},
947	);	1423	);
948		1424
		1425	# "readahead" all extensions
949	sub load_extension {	1426	sub cache_extensions {
950	my ($path) = @_;	1427	my $grp = IO::AIO::aio_group;
951		1428
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1430	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1432	}
977	die $@;
978	}	1433	};
979		1434
980	push @EXTS, $pkg;	1435	$grp
981	}	1436	}
982		1437
983	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
		1441	cf::sync_job {
		1442	my %todo;
		1443
984	for my $ext (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1445	next unless -r $path;
986	eval {	1446
987	load_extension $ext;	1447	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1448	my $base = $1;
		1449	my $pkg = $1;
		1450	$pkg =~ s/[^[:word:]]/_/g;
		1451	$pkg = "ext::$pkg";
		1452
		1453	open my $fh, "<:utf8", $path
		1454	or die "$path: $!";
		1455
		1456	my $source = do { local $/; <$fh> };
		1457
		1458	my %ext = (
		1459	path => $path,
		1460	base => $base,
		1461	pkg => $pkg,
		1462	);
		1463
		1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1466
		1467	$ext{source} =
		1468	"package $pkg; use common::sense;\n"
		1469	. "#line 1 \"$path\"\n{\n"
		1470	. $source
		1471	. "\n};\n1";
		1472
		1473	$todo{$base} = \%ext;
		1474	}
		1475
		1476	my $pass = 0;
		1477	my %done;
		1478	while (%todo) {
		1479	my $progress;
		1480
		1481	++$pass;
		1482
		1483	ext:
		1484	while (my ($k, $v) = each %todo) {
		1485	for (split /,\s*/, $v->{meta}{depends}) {
		1486	next ext
		1487	unless exists $done{$_};
		1488	}
		1489
		1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1491
		1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
		1495	error "$v->{path}: $@\n";
		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499
		1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1501	delete $todo{$k};
		1502	} else {
		1503	$done{$k} = delete $todo{$k};
		1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
		1509	}
988	1	1510	}
989	} or warn "$ext not loaded: $@";	1511
		1512	unless ($progress) {
		1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
		1520	}
990	}	1521	};
991	}	1522	}
992		1523
993	#############################################################################	1524	#############################################################################
994		1525
		1526	=back
		1527
995	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
996		1529
997	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
998		1531
999	=cut	1532	=cut
1000		1533
1001	package cf::player;	1534	package cf::player;
1002		1535
1003	use Coro::AIO;	1536	use Coro::AIO;
1004		1537
1005	=head3 cf::player	1538	=head3 cf::player
1006		1539
1007	=over 4	1540	=over 4
		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
1008		1555
1009	=item cf::player::find $login	1556	=item cf::player::find $login
1010		1557
1011	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
1012		1559
…		…
1031		1578
1032	sub exists($) {	1579	sub exists($) {
1033	my ($login) = @_;	1580	my ($login) = @_;
1034		1581
1035	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
1037	}	1584	}
1038		1585
1039	sub find($) {	1586	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1588	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1598	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1599
1053	my $pl = load_pl path $login	1600	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
1056	}	1609	}
1057	}	1610	}
1058	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
1059		1625
1060	sub save($) {	1626	sub save($) {
1061	my ($pl) = @_;	1627	my ($pl) = @_;
1062		1628
1063	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1069		1635
1070	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1072		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1073	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1074	Coro::cede;	1645	cf::cede_to_tick;
1075	}	1646	}
1076		1647
1077	sub new($) {	1648	sub new($) {
1078	my ($login) = @_;	1649	my ($login) = @_;
1079		1650
…		…
1085	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1086		1657
1087	$self	1658	$self
1088	}	1659	}
1089		1660
		1661	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1662
		1663	=cut
		1664
		1665	sub send_msg {
		1666	my $ns = shift->ns
		1667	or return;
		1668	$ns->send_msg (@_);
		1669	}
		1670
1090	=item $pl->quit_character	1671	=item $pl->quit_character
1091		1672
1092	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1094		1675
…		…
1098	my ($pl) = @_;	1679	my ($pl) = @_;
1099		1680
1100	my $name = $pl->ob->name;	1681	my $name = $pl->ob->name;
1101		1682
1102	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1685
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1106	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1108	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1109		1694
1110	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1112	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
…		…
1147	or return [];	1732	or return [];
1148		1733
1149	my @logins;	1734	my @logins;
1150		1735
1151	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1155		1746
1156	utf8::decode $login;	1747	utf8::decode $login;
1157	push @logins, $login;	1748	push @logins, $login;
1158	}	1749	}
1159		1750
1160	\@logins	1751	\@logins
1161	}	1752	}
1162		1753
1163	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1164		1757
1165	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1166	player. May block.	1759	player. May block.
1167		1760
1168	=cut	1761	=cut
…		…
1186	}	1779	}
1187		1780
1188	\@paths	1781	\@paths
1189	}	1782	}
1190		1783
		1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1785
		1786	Expand deliantra pod fragments into protocol xml.
		1787
1191	=item $player->ext_reply ($msgid, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1192		1789
1193	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1194		1791
1195	=cut	1792	=cut
1196		1793
1197	sub ext_reply($$%) {	1794	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1199		1796
1200	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1798	}
1204		1799
1205	=item $player->ext_event ($type, %msg)	1800	=item $player->ext_msg ($type, @msg)
1206		1801
1207	Sends an ext event to the client.	1802	Sends an ext event to the client.
1208		1803
1209	=cut	1804	=cut
1210		1805
1211	sub ext_event($$%) {	1806	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1807	my ($self, $type, @msg) = @_;
1213		1808
1214	$self->ns->ext_event ($type, %msg);	1809	$self->ns->ext_msg ($type, @msg);
1215	}	1810	}
1216		1811
1217	=head3 cf::region	1812	=head3 cf::region
1218		1813
1219	=over 4	1814	=over 4
…		…
1222		1817
1223	package cf::region;	1818	package cf::region;
1224		1819
1225	=item cf::region::find_by_path $path	1820	=item cf::region::find_by_path $path
1226		1821
1227	Tries to decuce the probable region for a map knowing only its path.	1822	Tries to decuce the likely region for a map knowing only its path.
1228		1823
1229	=cut	1824	=cut
1230		1825
1231	sub find_by_path($) {	1826	sub find_by_path($) {
1232	my ($path) = @_;	1827	my ($path) = @_;
1233		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
		1830
1234	my ($match, $specificity);	1831	my ($match, $specificity);
1235		1832
1236	for my $region (list) {	1833	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1834	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1835	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1836	if $region->specificity > $specificity;
1240	}	1837	}
1241	}	1838	}
1242		1839
…		…
1263	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1265		1862
1266	sub generate_random_map {	1863	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1268	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1269	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1280	(cf::region::find $rmp->{region}), $rmp->{custom}
1281	)
1282	}	1869	}
1283		1870
1284	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1285		1872
1286	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1291		1878
1292	sub register {	1879	sub register {
1293	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	1881	my $pkg = caller;
1295		1882
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		1884
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1886	}
1301		1887
1302	# also paths starting with '/'	1888	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1890
1305	sub thawer_merge {	1891	sub thawer_merge {
1306	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1307		1893
1308	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
1309	local $self->{path};	1895	local $self->{path};
1310	local $self->{load_path};	1896	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1897
1314	$self->SUPER::thawer_merge ($merge);	1898	$self->SUPER::thawer_merge ($merge);
1315	}	1899	}
1316		1900
1317	sub normalise {	1901	sub normalise {
1318	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1319		1903
1320	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1321		1905
1322	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1323		1907
1324	# map plan:	1908	# map plan:
1325	#	1909	#
…		…
1340	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1341	$path = "$base/$path";	1925	$path = "$base/$path";
1342	}	1926	}
1343		1927
1344	for ($path) {	1928	for ($path) {
1345	redo if s{//}{/};
1346	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1347	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1348	}	1931	}
1349		1932
1350	$path	1933	$path
…		…
1364	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1365	return $self;	1948	return $self;
1366	}	1949	}
1367	}	1950	}
1368		1951
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	1953	()
1371	}	1954	}
1372		1955
1373	sub init {	1956	sub init {
1374	my ($self) = @_;	1957	my ($self) = @_;
…		…
1396		1979
1397	# the temporary/swap location	1980	# the temporary/swap location
1398	sub save_path {	1981	sub save_path {
1399	my ($self) = @_;	1982	my ($self) = @_;
1400		1983
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1985	"$TMPDIR/$path.map"
1403	}	1986	}
1404		1987
1405	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1406	sub uniq_path {	1989	sub uniq_path {
1407	my ($self) = @_;	1990	my ($self) = @_;
1408		1991
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1993	"$UNIQUEDIR/$path"
1411	}	1994	}
1412		1995
1413	# and all this just because we cannot iterate over	1996	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1997	my ($self) = @_;
1417		1998
1418	$_->change_map_light ($change)	1999	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	2000
		2001	$self->do_decay_objects;
1420	}	2002	}
1421		2003
1422	sub unlink_save {	2004	sub unlink_save {
1423	my ($self) = @_;	2005	my ($self) = @_;
1424		2006
…		…
1429		2011
1430	sub load_header_from($) {	2012	sub load_header_from($) {
1431	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1432		2014
1433	utf8::encode $path;	2015	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1439		2024
1440	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1441		2026
1442	1	2027	1
1443	}	2028	}
…		…
1482	$self->load_header_orig	2067	$self->load_header_orig
1483	or return;	2068	or return;
1484	$self->prepare_orig;	2069	$self->prepare_orig;
1485	}	2070	}
1486		2071
		2072	$self->{deny_reset} = 1
		2073	if $self->no_reset;
		2074
1487	$self->default_region (cf::region::find_by_path $self->{path})	2075	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2076	unless $self->default_region;
1489		2077
1490	1	2078	1
1491	}	2079	}
1492		2080
1493	sub find;	2081	sub find;
1494	sub find {	2082	sub find {
1495	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1496		2084
		2085	cf::cede_to_tick;
		2086
1497	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1498		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2091
1501	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1504	or return;	2094	or return;
1505		2095
1506	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1507		2097
1508	$map->load_header	2098	$map->load_header
1509	or return;	2099	or return;
1510		2100
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1514	$map->reset;	2106	$map->reset;
1515	undef $guard;
1516	return find $path;	2107	return find $path;
1517	}	2108	}
1518		2109
1519	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1520	}	2111	}
1521	}	2112	}
1522		2113
1523	sub pre_load { }	2114	sub pre_load { }
1524	sub post_load { }	2115	#sub post_load { } # XS
1525		2116
1526	sub load {	2117	sub load {
1527	my ($self) = @_;	2118	my ($self) = @_;
1528		2119
1529	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1530		2121
1531	my $path = $self->{path};	2122	my $path = $self->{path};
1532		2123
1533	{	2124	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1535		2126
		2127	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2129
1538	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1539		2131
1540	$self->alloc;	2132	$self->alloc;
1541		2133
1542	$self->pre_load;	2134	$self->pre_load;
1543	Coro::cede;	2135	cf::cede_to_tick;
1544		2136
		2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2139	$self->_load_objects ($f)
1546	or return;	2140	or return;
1547		2141
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1549	if delete $self->{load_original};	2143	if delete $self->{load_original};
1550		2144
1551	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2146	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2149	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1556	}	2153	}
1557	}	2154	}
1558		2155
1559	Coro::cede;	2156	$f->resolve_delayed_derefs;
		2157
		2158	cf::cede_to_tick;
1560	# now do the right thing for maps	2159	# now do the right thing for maps
1561	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2162	unless $self->difficulty;
1564	Coro::cede;	2163	cf::cede_to_tick;
1565		2164
1566	unless ($self->{deny_activate}) {	2165	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2166	$self->decay_objects;
1568	$self->fix_auto_apply;	2167	$self->fix_auto_apply;
1569	$self->update_buttons;	2168	$self->update_buttons;
1570	Coro::cede;	2169	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2170	$self->activate;
1574	}	2171	}
1575		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2176	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2177	}
1578		2178
1579	$self->post_load;	2179	$self->post_load;
1580	}
1581		2180
		2181	1
		2182	}
		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2187	sub customise_for {
1583	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1584		2189
1585	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2191	if $self->per_player;
1587		2192
		2193	# return find "?party/" . $ob->name . "/" . $self->{path}
		2194	# if $self->per_party;
		2195
1588	$self	2196	$self
1589	}	2197	}
1590		2198
1591	# find and load all maps in the 3x3 area around a map	2199	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2200	sub load_neighbours {
1593	my ($map) = @_;	2201	my ($map) = @_;
1594		2202
1595	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1596		2204
1597	for (0 .. 3) {	2205	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1599	or next;	2207	or next;
1600	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1601	or next;	2209	or next;
1602	$neigh->load;	2210	$neigh->load;
1603		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2216	}
1607		2217
1608	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1610	or next;	2221	or next;
1611	$neigh->load;	2222	$neigh->load;
1612	}	2223	}
1613	}	2224	}
1614		2225
1615	sub find_sync {	2226	sub find_sync {
1616	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1617		2228
1618	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1619	}	2233	}
1620		2234
1621	sub do_load_sync {	2235	sub do_load_sync {
1622	my ($map) = @_;	2236	my ($map) = @_;
1623		2237
1624	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1625	}	2242	}
1626		2243
1627	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1629		2246
1630	sub find_async {	2247	sub find_async {
1631	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1632		2249
1633	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1634		2251
1635	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2254	}
1638		2255
1639	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1640	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1641	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2263	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2264	$map->load if $v;
		2265	}
1646		2266
1647	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1648	}	2268	}
1649	}	2269	}
1650	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1651	};	2271	};
1652	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1653		2273
1654	()	2274	()
1655	}	2275	}
1656		2276
		2277	# common code, used by both ->save and ->swapout
1657	sub save {	2278	sub _save {
1658	my ($self) = @_;	2279	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2280
1662	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1663		2282
1664	return unless $self->dirty;	2283	return unless $self->dirty;
1665		2284
…		…
1671	return if $self->{deny_save};	2290	return if $self->{deny_save};
1672		2291
1673	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1674		2293
1675	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1677	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1678		2300
1679	if ($uniq) {	2301	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2304	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2306	}
1685	}	2307	}
1686		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1687	sub swap_out {	2317	sub swap_out {
1688	my ($self) = @_;	2318	my ($self) = @_;
1689		2319
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1695	return if $self->players;	2324	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
1699	$self->clear;	2335	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2336	}
1702		2337
1703	sub reset_at {	2338	sub reset_at {
1704	my ($self) = @_;	2339	my ($self) = @_;
1705		2340
1706	# TODO: safety, remove and allow resettable per-player maps	2341	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2342	return 1e99 if $self->{deny_reset};
1709		2343
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2346
…		…
1723	my ($self) = @_;	2357	my ($self) = @_;
1724		2358
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2360
1727	return if $self->players;	2361	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2362
1730	warn "resetting map ", $self->path;#d#	2363	cf::trace "resetting map ", $self->path, "\n";
1731		2364
1732	$self->in_memory (cf::MAP_SWAPPED);	2365	$self->in_memory (cf::MAP_SWAPPED);
1733		2366
1734	# need to save uniques path	2367	# need to save uniques path
1735	unless ($self->{deny_save}) {	2368	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2372	if $uniq;
1740	}	2373	}
1741		2374
1742	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1743		2376
		2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2379	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2380
1748	$self->unlink_save;	2381	$self->unlink_save;
1749	$self->destroy;	2382	$self->destroy;
1750	}	2383	}
1751		2384
1752	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1753		2386
1754	sub nuke {	2387	sub nuke {
1755	my ($self) = @_;	2388	my ($self) = @_;
1756		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
1757	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
1758		2394
1759	$self->unlink_save;	2395	$self->unlink_save;
1760		2396
1761	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2402
1767	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
1768		2405
1769	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
		2407	}
		2408
		2409	=item $maps = cf::map::tmp_maps
		2410
		2411	Returns an arrayref with all map paths of currently instantiated and saved
		2412	maps. May block.
		2413
		2414	=cut
		2415
		2416	sub tmp_maps() {
		2417	[
		2418	map {
		2419	utf8::decode $_;
		2420	/\.map$/
		2421	? normalise $_
		2422	: ()
		2423	} @{ aio_readdir $TMPDIR or [] }
		2424	]
		2425	}
		2426
		2427	=item $maps = cf::map::random_maps
		2428
		2429	Returns an arrayref with all map paths of currently instantiated and saved
		2430	random maps. May block.
		2431
		2432	=cut
		2433
		2434	sub random_maps() {
		2435	[
		2436	map {
		2437	utf8::decode $_;
		2438	/\.map$/
		2439	? normalise "?random/$_"
		2440	: ()
		2441	} @{ aio_readdir $RANDOMDIR or [] }
		2442	]
1770	}	2443	}
1771		2444
1772	=item cf::map::unique_maps	2445	=item cf::map::unique_maps
1773		2446
1774	Returns an arrayref of paths of all shared maps that have	2447	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2448	instantiated unique items. May block.
1776		2449
1777	=cut	2450	=cut
1778		2451
1779	sub unique_maps() {	2452	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2453	[
1781	or return;	2454	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2455	utf8::decode $_;
1787	next if /\.pst$/;	2456	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2458	? ()
1790	push @paths, cf::map::normalise $_;	2459	: normalise $_
		2460	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2461	]
1792
1793	\@paths
1794	}	2462	}
1795		2463
1796	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
1797		2495
1798	=back	2496	=back
1799		2497
1800	=head3 cf::object	2498	=head3 cf::object
1801		2499
…		…
1805		2503
1806	=over 4	2504	=over 4
1807		2505
1808	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
1809		2507
1810	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
1811		2510
1812	=cut	2511	=cut
1813		2512
1814	sub inv_recursive_;	2513	sub inv_recursive_;
1815	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
1818		2517
1819	sub inv_recursive {	2518	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
1821	}	2520	}
1822		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
1823	package cf;	2550	package cf;
1824		2551
1825	=back	2552	=back
1826		2553
1827	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2561	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
1836		2563
1837	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
1838		2579
1839	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2581	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
1844		2585
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2586	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2587
1847	if ($self->{record_replies}) {	2588	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2589	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2590
1849	} else {	2591	} else {
		2592	my $pl = $self->contr;
		2593
		2594	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2595	my $dialog = $pl->{npc_dialog};
		2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2597
		2598	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2601	}
1852	}	2602	}
		2603	}
		2604
		2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	=cut
		2608
		2609	sub cf::object::send_msg {
		2610	my $pl = shift->contr
		2611	or return;
		2612	$pl->send_msg (@_);
1853	}	2613	}
1854		2614
1855	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
1856		2616
1857	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
1870		2630
1871	=item $player_object->enter_link	2631	=item $player_object->enter_link
1872		2632
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2634
1875	The player should be reasonably safe there for short amounts of time. You	2635	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
1877		2639
1878	Will never block.	2640	Will never block.
1879		2641
1880	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
1881		2643
…		…
1901	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2664	my ($self) = @_;
1903		2665
1904	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
1905		2667
		2668	++$self->{_link_recursion};
		2669
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2671
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2673	if $self->map && $self->map->{path} ne "{link}";
1910		2674
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2676	}
1913		2677
1914	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
		2680
		2681	return unless $self->contr->active;
1916		2682
1917	my $link_pos = delete $self->{_link_pos};	2683	my $link_pos = delete $self->{_link_pos};
1918		2684
1919	unless ($map) {	2685	unless ($map) {
1920	# restore original map position	2686	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
1933		2699
1934	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
1937		2703
1938	$map->load;	2704	$map->load;
1939	$map->load_diag;	2705	$map->load_neighbours;
1940		2706
1941	return unless $self->contr->active;	2707	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2708
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2710	if ($self->enter_map ($map, $x, $y)) {
1946	}	2711	# entering was successful
1947		2712	delete $self->{_link_recursion};
1948	cf::player->attach (	2713	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2714	$self->activate_recursive;
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},	2715	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2716
1962	# try to abort aborted map switching on player login :)	2717	}
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2718
1980	=item $player_object->goto ($path, $x, $y)	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		2720
		2721	Moves the player to the given map-path and coordinates by first freezing
		2722	her, loading and preparing them map, calling the provided $check callback
		2723	that has to return the map if sucecssful, and then unfreezes the player on
		2724	the new (success) or old (failed) map position. In either case, $done will
		2725	be called at the end of this process.
		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
		2729
1982	=cut	2730	=cut
		2731
		2732	our $GOTOGEN;
1983		2733
1984	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
		2742
		2743	# do generation counting so two concurrent goto's will be executed in-order
		2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2745
1987	$self->enter_link;	2746	$self->enter_link;
1988		2747
1989	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
1990	my $map = eval {	2770	my $map = eval {
1991	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
		2772
		2773	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2774	$map = $map->customise_for ($self);
		2775	$map = $check->($map, $x, $y, $self) if $check && $map;
		2776	} else {
		2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	}
		2779
1993	$map	2780	$map
		2781	};
		2782
		2783	if ($@) {
		2784	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2785	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2786	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2787
		2788	if ($gen == $self->{_goto_generation}) {
		2789	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
		2791	}
		2792
		2793	$done->($self) if $done;
1998	})->prio (1);	2794	})->prio (1);
1999	}	2795	}
2000		2796
2001	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
2002		2798
…		…
2022	}	2818	}
2023		2819
2024	sub prepare_random_map {	2820	sub prepare_random_map {
2025	my ($exit) = @_;	2821	my ($exit) = @_;
2026		2822
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2825	# that depends on the exit object
2032		2826
2033	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2829	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
2040	}	2836	}
2041		2837
2042	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
2043		2839
2044	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
2047		2843
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2846	undef $fh;
2051	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
2052		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
2055	}	2855	}
2056	}	2856	}
2057		2857
2058	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
2060		2860
2061	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
2062		2862
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2863	$self->enter_link;
2075		2864
2076	(async {	2865	(async {
2077	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
2078	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
2079	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
2080		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
2081	1;	2889	1
2082	}) {	2890	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2895
2088	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
2089	$self->leave_link;	2897	$self->leave_link;
2090	}	2898	}
2091	})->prio (1);	2899	})->prio (1);
2092	}	2900	}
2093		2901
…		…
2107		2915
2108	utf8::encode $text;	2916	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2918	}
2111		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
		2943	}
		2944
		2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2946
		2947	Send a drawinfo or msg packet to the client, formatting the msg for the
		2948	client if neccessary. C<$type> should be a string identifying the type of
		2949	the message, with C<log> being the default. If C<$color> is negative, suppress
		2950	the message unless the client supports the msg packet.
		2951
		2952	=cut
		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
		3068	sub cf::client::send_msg {
		3069	my ($self, $channel, $msg, $color, @extra) = @_;
		3070
		3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
		3073
		3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
		3083	} elsif (ref $channel) {
		3084	# send meta info to client, if not yet sent
		3085	unless (exists $self->{channel}{$channel->{id}}) {
		3086	$self->{channel}{$channel->{id}} = $channel;
		3087	$self->ext_msg (channel_info => $channel);
		3088	}
		3089
		3090	$channel = $channel->{id};
		3091	}
		3092
		3093	return unless @extra || length $msg;
		3094
		3095	# default colour, mask it out
		3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3097	if $color & cf::NDI_DEF;
		3098
		3099	my $pkt = "msg "
		3100	. $self->{json_coder}->encode (
		3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3102	);
		3103
		3104	$self->send_big_packet ($pkt);
		3105	}
		3106
2112	=item $client->ext_event ($type, %msg)	3107	=item $client->ext_msg ($type, @msg)
2113		3108
2114	Sends an exti event to the client.	3109	Sends an ext event to the client.
2115		3110
2116	=cut	3111	=cut
2117		3112
2118	sub cf::client::ext_event($$%) {	3113	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3114	my ($self, $type, @msg) = @_;
2120		3115
		3116	if ($self->extcmd == 2) {
		3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3118	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3119	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3121	}
		3122	}
		3123
		3124	=item $client->ext_reply ($msgid, @msg)
		3125
		3126	Sends an ext reply to the client.
		3127
		3128	=cut
		3129
		3130	sub cf::client::ext_reply($$@) {
		3131	my ($self, $id, @msg) = @_;
		3132
		3133	if ($self->extcmd == 2) {
		3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3135	} elsif ($self->extcmd == 1) {
		3136	#TODO: version 1, remove
		3137	unshift @msg, msgtype => "reply", msgid => $id;
		3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3139	}
2123	}	3140	}
2124		3141
2125	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
2126		3143
2127	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3145	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3146	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		3147
2131	Queries can fail, so check the return code. Or don't, as queries will become	3148	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	3149	become reliable at some point in the future.
2133		3150
2134	=cut	3151	=cut
2135		3152
2136	sub cf::client::query {	3153	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3154	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3162	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3163	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3164
2148	$self->send_packet ($self->{query_queue}[0][0])	3165	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3166	if @{ $self->{query_queue} } == 1;
		3167
		3168	1
2150	}	3169	}
2151		3170
2152	cf::client->attach (	3171	cf::client->attach (
		3172	on_connect => sub {
		3173	my ($ns) = @_;
		3174
		3175	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3176	},
2153	on_reply => sub {	3177	on_reply => sub {
2154	my ($ns, $msg) = @_;	3178	my ($ns, $msg) = @_;
2155		3179
2156	# this weird shuffling is so that direct followup queries	3180	# this weird shuffling is so that direct followup queries
2157	# get handled first	3181	# get handled first
…		…
2169	} else {	3193	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3194	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3195	}
2172	}	3196	}
2173	},	3197	},
		3198	on_exticmd => sub {
		3199	my ($ns, $buf) = @_;
		3200
		3201	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3202
		3203	if (ref $msg) {
		3204	my ($type, $reply, @payload) =
		3205	"ARRAY" eq ref $msg
		3206	? @$msg
		3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3208
		3209	my @reply;
		3210
		3211	if (my $cb = $EXTICMD{$type}) {
		3212	@reply = $cb->($ns, @payload);
		3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
		3218	} else {
		3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3220	}
		3221
		3222	cf::override;
		3223	},
2174	);	3224	);
2175		3225
2176	=item $client->async (\&cb)	3226	=item $client->async (\&cb)
2177		3227
2178	Create a new coroutine, running the specified callback. The coroutine will	3228	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3244
2195	$coro	3245	$coro
2196	}	3246	}
2197		3247
2198	cf::client->attach (	3248	cf::client->attach (
2199	on_destroy => sub {	3249	on_client_destroy => sub {
2200	my ($ns) = @_;	3250	my ($ns) = @_;
2201		3251
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3253	},
2204	);	3254	);
…		…
2219	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2221		3271
2222	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2223		3273
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3274	$safe->permit_only (Opcode::opset qw(
		3275	:base_core :base_mem :base_orig :base_math :base_loop
		3276	grepstart grepwhile mapstart mapwhile
		3277	sort time
		3278	));
2225		3279
2226	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2227		3281
2228	=pod	3282	=pod
2229		3283
2230	The following functions and methods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2231		3285
2232	cf::object contr pay_amount pay_player map	3286	cf::object
		3287	contr pay_amount pay_player map x y force_find force_add destroy
		3288	insert remove name archname title slaying race decrease split
		3289	value
		3290
2233	cf::object::player player	3291	cf::object::player
2234	cf::player peaceful	3292	player
2235	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2236		3299
2237	=cut	3300	=cut
2238		3301
2239	for (	3302	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2244	) {	3309	) {
2245	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2248	for @funs;	3312	for @funs;
2249	}	3313	}
2250		3314
…		…
2265		3329
2266	my $qcode = $code;	3330	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2269		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2270	local $_;	3337	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3338
2273	my $eval =	3339	my $eval =
2274	"do {\n"	3340	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3343	. $code
2278	. "\n}"	3344	. "\n}"
2279	;	3345	;
2280		3346
		3347	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2284		3356
2285	if ($@) {	3357	if ($@) {
2286	warn "$@";	3358	warn "$@",
2287	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2288	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2289	}	3361	}
2290		3362
2291	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2292	}	3364	}
2293		3365
…		…
2307	=cut	3379	=cut
2308		3380
2309	sub register_script_function {	3381	sub register_script_function {
2310	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2311		3383
2312	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2314	}	3386	}
2315		3387
2316	=back	3388	=back
2317		3389
2318	=cut	3390	=cut
2319
2320	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493		3391
2494	#############################################################################	3392	#############################################################################
2495	# the server's init and main functions	3393	# the server's init and main functions
2496		3394
2497	sub load_facedata($) {	3395	sub load_facedata($) {
2498	my ($path) = @_;	3396	my ($path) = @_;
2499		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
		3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3403
2500	warn "loading facedata from $path\n";	3404	trace "loading facedata from $path\n";
2501		3405
2502	my $facedata;
2503	0 < aio_load $path, $facedata	3406	0 < aio_load $path, my $facedata
2504	or die "$path: $!";	3407	or die "$path: $!";
2505		3408
2506	$facedata = Coro::Storable::thaw $facedata;	3409	$facedata = Coro::Storable::thaw $facedata;
2507		3410
2508	$facedata->{version} == 2	3411	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3413
		3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3416	$facedata->{resource}{"res/exp_table"} = {
		3417	type => FT_RSRC,
		3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
		3420	};
		3421	cf::cede_to_tick;
		3422
2511	{	3423	{
2512	my $faces = $facedata->{faceinfo};	3424	my $faces = $facedata->{faceinfo};
2513		3425
2514	while (my ($face, $info) = each %$faces) {	3426	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3428
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3429	cf::face::set_visibility $idx, $info->{visibility};
		3430	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3434
		3435	cf::cede_to_tick;
2520	}	3436	}
2521		3437
2522	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3439	next unless $info->{smooth};
		3440
2524	my $idx = cf::face::find $face	3441	my $idx = cf::face::find $face
2525	or next;	3442	or next;
		3443
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3444	if (my $smooth = cf::face::find $info->{smooth}) {
		3445	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3447	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3448	error "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3449	}
2531	Coro::cede;	3450
		3451	cf::cede_to_tick;
2532	}	3452	}
2533	}	3453	}
2534		3454
2535	{	3455	{
2536	my $anims = $facedata->{animinfo};	3456	my $anims = $facedata->{animinfo};
2537		3457
2538	while (my ($anim, $info) = each %$anims) {	3458	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3459	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3460	cf::cede_to_tick;
2541	}	3461	}
2542		3462
2543	cf::anim::invalidate_all; # d'oh	3463	cf::anim::invalidate_all; # d'oh
2544	}	3464	}
2545		3465
		3466	{
		3467	my $res = $facedata->{resource};
		3468
		3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
		3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3472
		3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3474	cf::face::set_type $idx, $info->{type};
		3475	} else {
		3476	$RESOURCE{$name} = $info; # unused
		3477	}
		3478
		3479	cf::cede_to_tick;
		3480	}
		3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3484
2546	1	3485	1
2547	}	3486	}
2548		3487
		3488	register_exticmd fx_want => sub {
		3489	my ($ns, $want) = @_;
		3490
		3491	while (my ($k, $v) = each %$want) {
		3492	$ns->fx_want ($k, $v);
		3493	}
		3494	};
		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
2549	sub reload_regions {	3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
2550	load_resource_file "$MAPDIR/regions"	3511	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3512	or die "unable to load regions file\n";
		3513
		3514	for (cf::region::list) {
		3515	$_->{match} = qr/$_->{match}/
		3516	if exists $_->{match};
		3517	}
2552	}	3518	}
2553		3519
2554	sub reload_facedata {	3520	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3521	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3522	or die "unable to load facedata\n";
…		…
2564	sub reload_treasures {	3530	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3531	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3532	or die "unable to load treasurelists\n";
2567	}	3533	}
2568		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
2569	sub reload_resources {	3558	sub reload_resources {
2570	warn "reloading resource files...\n";	3559	trace "reloading resource files...\n";
2571		3560
		3561	reload_exp_table;
		3562	reload_materials;
		3563	reload_facedata;
		3564	reload_sound;
		3565	reload_archetypes;
2572	reload_regions;	3566	reload_regions;
2573	reload_facedata;
2574	reload_archetypes;
2575	reload_treasures;	3567	reload_treasures;
2576		3568
2577	warn "finished reloading resource files\n";	3569	trace "finished reloading resource files\n";
2578	}	3570	}
2579		3571
2580	sub init {	3572	sub reload_config {
2581	reload_resources;	3573	trace "reloading config file...\n";
2582	}
2583		3574
2584	sub cfg_load {	3575	0 < aio_load "$CONFDIR/config", my $config
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3576	or die "$CONFDIR/config: $!";
2586	or return;
2587		3577
2588	local $/;	3578	utf8::decode $config;
2589	*CFG = YAML::Syck::Load <$fh>;	3579	*CFG = yaml_load $config;
2590		3580
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2592		3582
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595		3585
2596	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2600	};	3590	};
2601	warn $@ if $@;	3591	warn $@ if $@;
2602	}	3592	}
2603	}	3593	}
2604		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
2605	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
2606	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3636	(async {
2610	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2612	};	3640	};
2613		3641
2614	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
		3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
2615	db_init;	3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
2616	load_extensions;	3665	load_extensions;
2617		3666
2618	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
2620	}	3685	}
2621		3686
2622	#############################################################################	3687	#############################################################################
2623	# initialisation and cleanup	3688	# initialisation and cleanup
2624		3689
2625	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2626	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2635	},
2636	);	3696	};
		3697	}
		3698	}
		3699
		3700	sub write_runtime_sync {
		3701	my $t0 = AE::time;
		3702
		3703	# first touch the runtime file to show we are still running:
		3704	# the fsync below can take a very very long time.
		3705
		3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3707
		3708	my $guard = cf::lock_acquire "write_runtime";
		3709
		3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3711	or return;
		3712
		3713	my $value = $cf::RUNTIME + 90 + 10;
		3714	# 10 is the runtime save interval, for a monotonic clock
		3715	# 60 allows for the watchdog to kill the server.
		3716
		3717	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3718	and return;
		3719
		3720	# always fsync - this file is important
		3721	aio_fsync $fh
		3722	and return;
		3723
		3724	# touch it again to show we are up-to-date
		3725	aio_utime $fh, undef, undef;
		3726
		3727	close $fh
		3728	or return;
		3729
		3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3731	and return;
		3732
		3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3734
2637	}	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
2638	}	3786	}
2639		3787
2640	sub emergency_save() {	3788	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2642		3790
2643	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
2644		3797
2645	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2646	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3809	$pl->save;
2654	}	3810	}
2655	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2656		3812
2657	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3818	$map->valid or next;
2661	$map->save;	3819	$map->save;
2662	}	3820	}
2663	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
2664		3822
2665	warn "begin emergency database checkpoint\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2668	};	3851	};
2669		3852
2670	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2671	}	3854	}
2672		3855
2673	sub post_cleanup {	3856	sub post_cleanup {
2674	my ($make_core) = @_;	3857	my ($make_core) = @_;
2675		3858
		3859	IO::AIO::flush;
		3860
2676	warn Carp::longmess "post_cleanup backtrace"	3861	error Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3862	if $make_core;
		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
2678	}	3891	}
2679		3892
2680	sub do_reload_perl() {	3893	sub do_reload_perl() {
2681	# can/must only be called in main	3894	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2683	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2684	return;	3897	return;
2685	}	3898	}
2686		3899
2687	warn "reloading...";	3900	return if $RELOAD++;
2688		3901
2689	warn "entering sync_job";	3902	my $t1 = AE::time;
2690		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
2691	cf::sync_job {	3910	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark
2693	cf::emergency_save;	3911	#cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark
2695		3912
2696	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;
2698
2699	# if anything goes wrong in here, we should simply crash as we already saved
2700
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();	3915	%EXT_CORO = ();
2720		3916
2721	warn "removing commands";	3917	trace "perl_reload: removing commands";
2722	%COMMAND = ();	3918	%COMMAND = ();
2723		3919
2724	warn "removing ext commands";	3920	trace "perl_reload: removing ext/exti commands";
2725	%EXTCMD = ();	3921	%EXTCMD = ();
		3922	%EXTICMD = ();
2726		3923
2727	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2730		3927
2731	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2732	eval {	3929	eval {
2733	$cb->($pkg);	3930	$cb->($pkg);
2734	1	3931	1
2735	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
2736	}	3937	}
2737		3938
2738	warn "... nuking $pkg";
2739	Symbol::delete_package $pkg;
2740	}
2741
2742	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2743	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3942
2746	warn "... unloading $k";	3943	trace "... unloading $k";
2747	delete $INC{$k};	3944	delete $INC{$k};
2748		3945
2749	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2751		3948
2752	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2753	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2754	}	3954	}
2755		3955
2756	Symbol::delete_package $k;
2757	}
2758
2759	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3959
2763	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		3963
2767	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3965	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2770		3967
2771	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
2772		3969
2773	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
2774	require cf;	3971	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2776		3973
2777	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
2778	cf::cfg_load;	3975	cf::reload_config;
2779		3976
2780	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
2781	cf::load_extensions;	3978	cf::load_extensions;
2782		3979
		3980	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3982	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3985	trace "perl_reload: reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3986	reattach $_ for values %PLAYER;
		3987	}
2789		3988
2790	warn "leaving sync_job";	3989	cf::_post_init 1;
2791		3990
		3991	trace "perl_reload: leaving sync_job";
		3992
2792	1	3993	1
2793	} or do {	3994	} or do {
2794	warn $@;	3995	error $@;
2795	warn "error while reloading, exiting.";	3996	cf::cleanup "perl_reload: error, exiting.";
2796	exit 1;	3997	};
		3998
		3999	--$RELOAD;
2797	};	4000	}
2798		4001
2799	warn "reloaded";	4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
2800	};	4004	};
2801		4005
2802	our $RELOAD_WATCHER; # used only during reload	4006	our $RELOAD_WATCHER; # used only during reload
2803		4007
2804	sub reload_perl() {	4008	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	4009	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	4010	# coro crashes during coro_state_free->destroy here.
2807		4011
2808	$RELOAD_WATCHER ||= Event->timer (	4012	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	4013	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	4014
2811	data => WF_AUTOCANCEL,	4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	4016	do_reload_perl;
2814	undef $RELOAD_WATCHER;	4017	undef $RELOAD_WATCHER;
2815	},	4018	};
2816	);	4019	};
2817	}	4020	}
2818		4021
2819	register_command "reload" => sub {	4022	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
2821		4024
2822	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
		4027	async {
		4028	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	4029	reload_perl;
		4030	};
2825	}	4031	}
2826	};	4032	};
2827		4033
2828	unshift @INC, $LIBDIR;	4034	#############################################################################
2829		4035
2830	my $bug_warning = 0;	4036	my $bug_warning = 0;
2831		4037
2832	our @WAIT_FOR_TICK;	4038	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	4039	our @WAIT_FOR_TICK_BEGIN;
2834		4040
2835	sub wait_for_tick {	4041	sub wait_for_tick() {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4043
2839	my $signal = new Coro::Signal;	4044	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	4045	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	4046	$signal->wait;
2842	}	4047	}
2843		4048
2844	sub wait_for_tick_begin {	4049	sub wait_for_tick_begin() {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2847		4051
2848	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	4053	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	4054	$signal->wait;
2851	}	4055	}
2852		4056
2853	$TICK_WATCHER = Event->timer (	4057	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
2863	return;	4061	return;
2864	}	4062	}
2865		4063
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
2869		4065
2870	$RUNTIME += $TICK;	4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2871	$NEXT_TICK += $TICK;
2872		4067
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	4070	Coro::async_pool {
		4071	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	4072	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	4073	or error "ERROR: unable to write runtime file: $!";
2878	};
2879	}	4074	};
		4075	}
2880		4076
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	4078	$sig->send;
2886	}	4079	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	4080	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	4081	$sig->send;
2889	}	4082	}
2890		4083
2891	$NOW = Event::time;	4084	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		4086
2902	_post_tick;	4087	if (0) {
2903		4088	if ($NEXT_TICK) {
2904		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
2905	},	4093	}
2906	);	4094	}
2907		4095
2908	{	4096	{
2909	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	4098
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	4099	BDB::min_parallel 16;
2919		4100	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4101	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		4102
2935	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		4110
2938	cf::sync_job {	4111	cf::sync_job {
2939	eval {	4112	eval {
2940	BDB::db_env_open	4113	BDB::db_env_open
2941	$DB_ENV,	4114	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4118	0666;
2946		4119
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	4121	};
2952		4122
2953	cf::cleanup "db_env_open(db): $@" if $@;	4123	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4124	};
2955	}	4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
2956	}	4136	}
2957		4137
2958	{	4138	{
		4139	# configure IO::AIO
		4140
2959	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4143	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	4144	}
2972		4145
2973	my $_log_backtrace;	4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
2974		4148
2975	sub _log_backtrace {	4149	sub _log_backtrace {
2976	my ($msg, @addr) = @_;	4150	my ($msg, @addr) = @_;
2977		4151
2978	$msg =~ s/\n//;	4152	$msg =~ s/\n$//;
2979		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2980	# limit the # of concurrent backtraces	4157	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
2982	++$_log_backtrace;	4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
2983	async {	4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
2984	my @bt = fork_call {	4165	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4166	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	4169	or die "addr2line: $!";
…		…
2996	}	4177	}
2997		4178
2998	@funcs	4179	@funcs
2999	};	4180	};
3000		4181
3001	LOG llevInfo, "[ABT] $msg\n";	4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4184	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4185	--$_log_backtrace;
3004	};	4186	};
3005	} else {	4187	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4188	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3008	}	4190	}
3009	}	4191	}
3010		4192
3011	# load additional modules	4193	# load additional modules
3012	use cf::pod;	4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
3013		4196
3014	END { cf::emergency_save }	4197	END { cf::emergency_save }
3015		4198
3016	1	4199	1
3017		4200

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