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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.258 by root, Sat Apr 21 17:43:42 2007 UTC vs.
Revision 1.546 by root, Thu May 6 22:57:49 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
95	binmode STDOUT;	154	binmode STDOUT;
96	binmode STDERR;	155	binmode STDERR;
97		156
98	# read virtual server time, if available	157	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
103	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
104		165
105	mkdir $_	166	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		168
108	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
109		170
110	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		187
112	#############################################################################	188	#############################################################################
113		189
114	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
115		191
…		…
139		215
140	=item $cf::TICK	216	=item $cf::TICK
141		217
142	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
143		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
144	=item %cf::CFG	230	=item %cf::CFG
145		231
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	233	from wherever your confdir points to.
148		234
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		236
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
155	=back	258	=back
156		259
157	=cut	260	=cut
158		261
159	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	269	my $msg = join "", @_;
162		270
163	$msg .= "\n"	271	$msg .= "\n"
164	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
165		273
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		275
168	utf8::encode $msg;
169	LOG llevError, $msg;	276	LOG llevWarn, $msg;
170	};	277	};
171	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
172		292
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		300
180	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	302	# within the Safe compartment.
182	for my $pkg (qw(	303	for my $pkg (qw(
183	cf::global cf::attachable	304	cf::global cf::attachable
184	cf::object cf::object::player	305	cf::object cf::object::player
185	cf::client cf::player	306	cf::client cf::player
186	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
187	cf::map cf::party cf::region	309	cf::party cf::region
188	)) {	310	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	312	}
192		313
193	$Event::DIED = sub {	314	$EV::DIED = sub {
194	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
195	};	316	};
		317
		318	#############################################################################
196		319
197	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
198		321
199	=over 4	322	=over 4
200		323
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	343	$d
221	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
222	}	345	}
223		346
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
227		348
228	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
229		350
230	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
231		352
232	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
233		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
		375
234	=item cf::lock_wait $string	376	=item cf::lock_wait $string
235		377
236	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
237		379
238	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
239		381
240	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
243	returned.	385	returned.
244		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
245	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
247		392
248	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
249		394
250	Return true if the lock is currently active, i.e. somebody has locked it.	395	Return true if the lock is currently active, i.e. somebody has locked it.
251		396
252	=cut	397	=cut
253		398
254	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
255		400
256	sub lock_wait($) {	401	sub lock_wait($) {
257	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	403	}
265		404
266	sub lock_acquire($) {	405	sub lock_acquire($) {
267	my ($key) = @_;	406	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	407	}
279		408
280	sub lock_active($) {	409	sub lock_active($) {
281	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	411	}
285		412
286	sub freeze_mainloop {	413	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
288		415
289	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
291	};	483	}
292	$TICK_WATCHER->stop;	484	};
293	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
294	}	499	}
295		500
296	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
297		502
298	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		508
304	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
305		510
306	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
307		512
308	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
311		517
312	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
315	fast or be very important.	521	fast or be very important.
…		…
317	=cut	523	=cut
318		524
319	sub sync_job(&) {	525	sub sync_job(&) {
320	my ($job) = @_;	526	my ($job) = @_;
321		527
322	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
323	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
325		533
326	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	535
328	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
329		537
330	my $busy = 1;	538	my $busy = 1;
331	my @res;	539	my @res;
332		540
333	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	543	@res = eval { $job->() };
335	warn $@ if $@;	544	error $@ if $@;
336	undef $busy;	545	undef $busy;
337	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
338		547
339	while ($busy) {	548	while ($busy) {
340	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
341	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
342		559
343	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
344	} else {	561	} else {
345	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
346		563
…		…
366	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
367		584
368	$coro	585	$coro
369	}	586	}
370		587
371	sub write_runtime {	588	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		589
374	my $runtime = "$LOCALDIR/runtime";	590	Executes the given code block with the given arguments in a seperate
		591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
375		594
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	=cut
377	or return;
378		596
379	my $value = $cf::RUNTIME + 90 + 10;	597	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	598	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		599
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	600	# we seemingly have to make a local copy of the whole thing,
384	and return;	601	# otherwise perl prematurely frees the stuff :/
		602	# TODO: investigate and fix (likely this will be rather laborious)
385		603
386	# always fsync - this file is important	604	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	605	reset_signals;
388	and return;	606	&$cb
		607	}, @args;
389		608
390	close $fh	609	wantarray ? @res : $res[-1]
391	or return;	610	}
392		611
393	aio_rename "$runtime~", $runtime	612	sub objinfo {
394	and return;
395
396	1	613	(
		614	"counter value" => cf::object::object_count,
		615	"objects created" => cf::object::create_count,
		616	"objects destroyed" => cf::object::destroy_count,
		617	"freelist size" => cf::object::free_count,
		618	"allocated objects" => cf::object::objects_size,
		619	"active objects" => cf::object::actives_size,
		620	)
		621	}
		622
		623	=item $coin = coin_from_name $name
		624
		625	=cut
		626
		627	our %coin_alias = (
		628	"silver" => "silvercoin",
		629	"silvercoin" => "silvercoin",
		630	"silvercoins" => "silvercoin",
		631	"gold" => "goldcoin",
		632	"goldcoin" => "goldcoin",
		633	"goldcoins" => "goldcoin",
		634	"platinum" => "platinacoin",
		635	"platinumcoin" => "platinacoin",
		636	"platinumcoins" => "platinacoin",
		637	"platina" => "platinacoin",
		638	"platinacoin" => "platinacoin",
		639	"platinacoins" => "platinacoin",
		640	"royalty" => "royalty",
		641	"royalties" => "royalty",
		642	);
		643
		644	sub coin_from_name($) {
		645	$coin_alias{$_[0]}
		646	? cf::arch::find $coin_alias{$_[0]}
		647	: undef
		648	}
		649
		650	=item $value = cf::db_get $family => $key
		651
		652	Returns a single value from the environment database.
		653
		654	=item cf::db_put $family => $key => $value
		655
		656	Stores the given C<$value> in the family. It can currently store binary
		657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
		664	=cut
		665
		666	sub db_table($) {
		667	cf::error "db_get called from main context"
		668	if $Coro::current == $Coro::main;
		669
		670	my ($name) = @_;
		671	my $db = BDB::db_create $DB_ENV;
		672
		673	eval {
		674	$db->set_flags (BDB::CHKSUM);
		675
		676	utf8::encode $name;
		677	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		678	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		679	cf::cleanup "db_open(db): $!" if $!;
		680	};
		681	cf::cleanup "db_open(db): $@" if $@;
		682
		683	$db
		684	}
		685
		686	our $DB;
		687
		688	sub db_init {
		689	$DB ||= db_table "db";
		690	}
		691
		692	sub db_get($$) {
		693	my $key = "$_[0]/$_[1]";
		694
		695	cf::error "db_get called from main context"
		696	if $Coro::current == $Coro::main;
		697
		698	BDB::db_get $DB, undef, $key, my $data;
		699
		700	$! ? ()
		701	: $data
		702	}
		703
		704	sub db_put($$$) {
		705	BDB::dbreq_pri 4;
		706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		707	}
		708
		709	=item cf::cache $id => [$paths...], $processversion => $process
		710
		711	Generic caching function that returns the value of the resource $id,
		712	caching and regenerating as required.
		713
		714	This function can block.
		715
		716	=cut
		717
		718	sub cache {
		719	my ($id, $src, $processversion, $process) = @_;
		720
		721	my $meta =
		722	join "\x00",
		723	$processversion,
		724	map {
		725	aio_stat $_
		726	and Carp::croak "$_: $!";
		727
		728	($_, (stat _)[7,9])
		729	} @$src;
		730
		731	my $dbmeta = db_get cache => "$id/meta";
		732	if ($dbmeta ne $meta) {
		733	# changed, we may need to process
		734
		735	my @data;
		736	my $md5;
		737
		738	for (0 .. $#$src) {
		739	0 <= aio_load $src->[$_], $data[$_]
		740	or Carp::croak "$src->[$_]: $!";
		741	}
		742
		743	# if processing is expensive, check
		744	# checksum first
		745	if (1) {
		746	$md5 =
		747	join "\x00",
		748	$processversion,
		749	map {
		750	cf::cede_to_tick;
		751	($src->[$_], Digest::MD5::md5_hex $data[$_])
		752	} 0.. $#$src;
		753
		754
		755	my $dbmd5 = db_get cache => "$id/md5";
		756	if ($dbmd5 eq $md5) {
		757	db_put cache => "$id/meta", $meta;
		758
		759	return db_get cache => "$id/data";
		760	}
		761	}
		762
		763	my $t1 = Time::HiRes::time;
		764	my $data = $process->(\@data);
		765	my $t2 = Time::HiRes::time;
		766
		767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		768
		769	db_put cache => "$id/data", $data;
		770	db_put cache => "$id/md5" , $md5;
		771	db_put cache => "$id/meta", $meta;
		772
		773	return $data;
		774	}
		775
		776	db_get cache => "$id/data"
397	}	777	}
398		778
399	=item cf::datalog type => key => value, ...	779	=item cf::datalog type => key => value, ...
400		780
401	Log a datalog packet of the given type with the given key-value pairs.	781	Log a datalog packet of the given type with the given key-value pairs.
402		782
403	=cut	783	=cut
404		784
405	sub datalog($@) {	785	sub datalog($@) {
406	my ($type, %kv) = @_;	786	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	788	}
409		789
410	=back	790	=back
411		791
412	=cut	792	=cut
413		793
414	#############################################################################	794	#############################################################################
415		795
416	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
417		797
418	Many objects in crossfire are so-called attachable objects. That means you can	798	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	799	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
421		801
422	In the following description, CLASS can be any of C<global>, C<object>	802	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	803	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	804	Deliantra).
425		805
426	=over 4	806	=over 4
427		807
428	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
429		809
…		…
473	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
474		854
475	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
477		857
478	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	859	that are attached at load/instantiate time, thus the need for a name.
480		860
481	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
482		862
483	=over 4	863	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	972	$registry = $CB_TYPE[$object_type] ||= [];
593		973
594	} elsif ($type eq "subtype") {	974	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	975	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	976	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	977	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		978
599	} elsif ($type eq "package") {	979	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	980	my $pkg = shift @arg;
601		981
602	while (my ($name, $id) = each %cb_id) {	982	while (my ($name, $id) = each %cb_id) {
…		…
607		987
608	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		990
611	} elsif (ref $type) {	991	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
613		993
614	} else {	994	} else {
615	shift @arg;	995	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
617	}	997	}
618	}	998	}
619	}	999	}
620		1000
621	sub _object_attach {	1001	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
632	}	1012	}
633		1013
634	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
635	} else {	1015	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1017	}
638		1018
639	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
640	}	1020	}
641		1021
…		…
643	if (ref $_[0]) {	1023	if (ref $_[0]) {
644	_object_attach @_;	1024	_object_attach @_;
645	} else {	1025	} else {
646	_attach shift->_attach_registry, @_;	1026	_attach shift->_attach_registry, @_;
647	}	1027	}
		1028	_recalc_want;
648	};	1029	};
649		1030
650	# all those should be optimised	1031	# all those should be optimised
651	sub cf::attachable::detach {	1032	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1033	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1036	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1037	reattach ($obj);
657	} else {	1038	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1039	Carp::croak "cannot, currently, detach class attachments";
659	}	1040	}
		1041	_recalc_want;
660	};	1042	};
661		1043
662	sub cf::attachable::attached {	1044	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1045	my ($obj, $name) = @_;
664		1046
…		…
679	";	1061	";
680	die if $@;	1062	die if $@;
681	}	1063	}
682		1064
683	our $override;	1065	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1066	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1067
686	sub override {	1068	sub override {
687	$override = 1;	1069	$override = 1;
688	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
689	}	1071	}
690		1072
691	sub do_invoke {	1073	sub do_invoke {
692	my $event = shift;	1074	my $event = shift;
693	my $callbacks = shift;	1075	my $callbacks = shift;
694		1076
695	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
696		1078
697	local $override;	1079	local $override;
698		1080
699	for (@$callbacks) {	1081	for (@$callbacks) {
700	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
701		1083
702	if ($@) {	1084	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1086	override;
706	}	1087	}
707		1088
708	return 1 if $override;	1089	return 1 if $override;
709	}	1090	}
710		1091
711	0	1092	0
712	}	1093	}
713		1094
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1096
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1098
718	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
719		1100
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1101	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1102	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1104
724	=back	1105	=back
725		1106
726	=cut	1107	=cut
727		1108
728	#############################################################################	1109	#############################################################################
729	# object support	1110	# object support
		1111
		1112	sub _object_equal($$);
		1113	sub _object_equal($$) {
		1114	my ($a, $b) = @_;
		1115
		1116	return 0 unless (ref $a) eq (ref $b);
		1117
		1118	if ("HASH" eq ref $a) {
		1119	my @ka = keys %$a;
		1120	my @kb = keys %$b;
		1121
		1122	return 0 if @ka != @kb;
		1123
		1124	for (0 .. $#ka) {
		1125	return 0 unless $ka[$_] eq $kb[$_];
		1126	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1127	}
		1128
		1129	} elsif ("ARRAY" eq ref $a) {
		1130
		1131	return 0 if @$a != @$b;
		1132
		1133	for (0 .. $#$a) {
		1134	return 0 unless _object_equal $a->[$_], $b->[$_];
		1135	}
		1136
		1137	} elsif ($a ne $b) {
		1138	return 0;
		1139	}
		1140
		1141	1
		1142	}
		1143
		1144	our $SLOW_MERGES;#d#
		1145	sub _can_merge {
		1146	my ($ob1, $ob2) = @_;
		1147
		1148	++$SLOW_MERGES;#d#
		1149
		1150	# we do the slow way here
		1151	return _object_equal $ob1, $ob2
		1152	}
730		1153
731	sub reattach {	1154	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1156	my ($obj) = @_;
734		1157
		1158	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1159	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1160
737	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
738		1162
739	@$registry = ();	1163	@$registry = ();
740		1164
…		…
745	for (@$attach) {	1169	for (@$attach) {
746	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
748	}	1172	}
749	} else {	1173	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1175	}
752	}	1176	}
753	}	1177	}
754		1178
755	cf::attachable->attach (	1179	cf::attachable->attach (
756	prio => -1000000,	1180	prio => -1000000,
757	on_instantiate => sub {	1181	on_instantiate => sub {
758	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
759		1183
760	$data = from_json $data;	1184	$data = decode_json $data;
761		1185
762	for (@$data) {	1186	for (@$data) {
763	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
764		1188
765	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1205	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
783		1207
784	sync_job {	1208	sync_job {
785	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
788		1214
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1218	if ($cf::USE_FSYNC) {
		1219	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;
		1220	aio_fsync $fh;
		1221	}
793	close $fh;	1222	aio_close $fh;
794		1223
795	if (@$objs) {	1224	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1225	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1229	if ($cf::USE_FSYNC) {
		1230	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;
		1231	aio_fsync $fh;
		1232	}
801	close $fh;	1233	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
803	}	1235	}
804	} else {	1236	} else {
805	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
806	}	1238	}
807		1239
808	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1244	} else {
810	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
811	}	1246	}
812	} else {	1247	} else {
813	aio_unlink $filename;	1248	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
815	}	1250	}
816	}	1251	};
817	}	1252	}
818		1253
819	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
821		1256
…		…
833	or return;	1268	or return;
834		1269
835	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
837	or return;	1272	or return;
		1273
838	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
839	}	1276	}
840		1277
		1278	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
843	return ($data, $av);	1283	($data, $av)
844	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
845		1291
846	#############################################################################	1292	#############################################################################
847	# command handling &c	1293	# command handling &c
848		1294
849	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1309	}
864		1310
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1312
867	Register a callbackf ro execution when the client sends an extcmd packet.	1313	Register a callback for execution when the client sends an (synchronous)
		1314	extcmd packet. Ext commands will be processed in the order they are
		1315	received by the server, like other user commands. The first argument is
		1316	the logged-in player. Ext commands can only be processed after a player
		1317	has logged in successfully.
868		1318
869	If the callback returns something, it is sent back as if reply was being	1319	If the callback returns something, it is sent back as if reply was being
870	called.	1320	called.
871		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
872	=cut	1333	=cut
873		1334
874	sub register_extcmd {	1335	sub register_extcmd {
875	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
876		1337
877	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
878	}	1339	}
879		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
880	cf::player->attach (	1349	cf::player->attach (
881	on_command => sub {	1350	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
883		1352
884	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
885	or return;	1354	or return;
886		1355
…		…
891	cf::override;	1360	cf::override;
892	},	1361	},
893	on_extcmd => sub {	1362	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
895		1364
896	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1366
898	if (ref $msg) {	1367	if (ref $msg) {
		1368	my ($type, $reply, @payload) =
		1369	"ARRAY" eq ref $msg
		1370	? @$msg
		1371	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1372
		1373	my @reply;
		1374
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
904	} else {	1382	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1384	}
907		1385
908	cf::override;	1386	cf::override;
909	},	1387	},
910	);	1388	);
911		1389
		1390	# "readahead" all extensions
912	sub load_extension {	1391	sub cache_extensions {
913	my ($path) = @_;	1392	my $grp = IO::AIO::aio_group;
914		1393
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1395	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1397	}
940	die $@;
941	}	1398	};
942		1399
943	push @EXTS, $pkg;	1400	$grp
944	}	1401	}
945		1402
946	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
		1406	cf::sync_job {
		1407	my %todo;
		1408
947	for my $ext (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1410	next unless -r $path;
949	eval {	1411
950	load_extension $ext;	1412	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1413	my $base = $1;
		1414	my $pkg = $1;
		1415	$pkg =~ s/[^[:word:]]/_/g;
		1416	$pkg = "ext::$pkg";
		1417
		1418	open my $fh, "<:utf8", $path
		1419	or die "$path: $!";
		1420
		1421	my $source = do { local $/; <$fh> };
		1422
		1423	my %ext = (
		1424	path => $path,
		1425	base => $base,
		1426	pkg => $pkg,
		1427	);
		1428
		1429	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1430	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1431
		1432	$ext{source} =
		1433	"package $pkg; use common::sense;\n"
		1434	. "#line 1 \"$path\"\n{\n"
		1435	. $source
		1436	. "\n};\n1";
		1437
		1438	$todo{$base} = \%ext;
		1439	}
		1440
		1441	my $pass = 0;
		1442	my %done;
		1443	while (%todo) {
		1444	my $progress;
		1445
		1446	++$pass;
		1447
		1448	ext:
		1449	while (my ($k, $v) = each %todo) {
		1450	for (split /,\s*/, $v->{meta}{depends}) {
		1451	next ext
		1452	unless exists $done{$_};
		1453	}
		1454
		1455	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1456
		1457	my $active = eval $v->{source};
		1458
		1459	if (length $@) {
		1460	error "$v->{path}: $@\n";
		1461
		1462	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464
		1465	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1466	delete $todo{$k};
		1467	} else {
		1468	$done{$k} = delete $todo{$k};
		1469	push @EXTS, $v->{pkg};
		1470	$progress = 1;
		1471
		1472	info "$v->{base}: extension inactive.\n"
		1473	unless $active;
		1474	}
951	1	1475	}
952	} or warn "$ext not loaded: $@";	1476
		1477	unless ($progress) {
		1478	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1479
		1480	while (my ($k, $v) = each %todo) {
		1481	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1482	if exists $v->{meta}{mandatory};
		1483	}
		1484	}
		1485	}
953	}	1486	};
954	}	1487	}
955		1488
956	#############################################################################	1489	#############################################################################
957		1490
		1491	=back
		1492
958	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
959		1494
960	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
961		1496
962	=cut	1497	=cut
963		1498
964	package cf::player;	1499	package cf::player;
965		1500
966	use Coro::AIO;	1501	use Coro::AIO;
967		1502
968	=head3 cf::player	1503	=head3 cf::player
969		1504
970	=over 4	1505	=over 4
		1506
		1507	=item cf::player::num_playing
		1508
		1509	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1510
		1511	=cut
		1512
		1513	sub num_playing {
		1514	scalar grep
		1515	$_->ob->map
		1516	&& !$_->hidden
		1517	&& !$_->ob->flag (cf::FLAG_WIZ),
		1518	cf::player::list
		1519	}
971		1520
972	=item cf::player::find $login	1521	=item cf::player::find $login
973		1522
974	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
975		1524
…		…
994		1543
995	sub exists($) {	1544	sub exists($) {
996	my ($login) = @_;	1545	my ($login) = @_;
997		1546
998	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
1000	}	1549	}
1001		1550
1002	sub find($) {	1551	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1553	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1563	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1564
1016	my $pl = load_pl path $login	1565	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1566	or return;
		1567
		1568	my $pl = cf::player::load_pl $f
		1569	or return;
		1570
		1571	local $cf::PLAYER_LOADING{$login} = $pl;
		1572	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
1019	}	1574	}
1020	}	1575	}
1021	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($pl, $path) = @_;
		1581
		1582	# restore slots saved in save, below
		1583	my $slots = delete $pl->{_slots};
		1584
		1585	$pl->ob->current_weapon ($slots->[0]);
		1586	$pl->combat_ob ($slots->[1]);
		1587	$pl->ranged_ob ($slots->[2]);
		1588	},
		1589	);
1022		1590
1023	sub save($) {	1591	sub save($) {
1024	my ($pl) = @_;	1592	my ($pl) = @_;
1025		1593
1026	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1032		1600
1033	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1035		1603
		1604	cf::get_slot 0.01;
		1605
		1606	# save slots, to be restored later
		1607	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1608
1036	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1037	Coro::cede;	1610	cf::cede_to_tick;
1038	}	1611	}
1039		1612
1040	sub new($) {	1613	sub new($) {
1041	my ($login) = @_;	1614	my ($login) = @_;
1042		1615
…		…
1048	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1049		1622
1050	$self	1623	$self
1051	}	1624	}
1052		1625
		1626	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1627
		1628	=cut
		1629
		1630	sub send_msg {
		1631	my $ns = shift->ns
		1632	or return;
		1633	$ns->send_msg (@_);
		1634	}
		1635
1053	=item $pl->quit_character	1636	=item $pl->quit_character
1054		1637
1055	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1057		1640
…		…
1061	my ($pl) = @_;	1644	my ($pl) = @_;
1062		1645
1063	my $name = $pl->ob->name;	1646	my $name = $pl->ob->name;
1064		1647
1065	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1649	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1650
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1072		1656
1073	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1694	or return [];
1111		1695
1112	my @logins;	1696	my @logins;
1113		1697
1114	for my $login (@$dirs) {	1698	for my $login (@$dirs) {
		1699	my $path = path $login;
		1700
		1701	# a .pst is a dead give-away for a valid player
		1702	# if no pst file found, open and chekc for blocked users
		1703	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1118		1708
1119	utf8::decode $login;	1709	utf8::decode $login;
1120	push @logins, $login;	1710	push @logins, $login;
1121	}	1711	}
1122		1712
1123	\@logins	1713	\@logins
1124	}	1714	}
1125		1715
1126	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1127		1719
1128	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1129	player. May block.	1721	player. May block.
1130		1722
1131	=cut	1723	=cut
…		…
1149	}	1741	}
1150		1742
1151	\@paths	1743	\@paths
1152	}	1744	}
1153		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1154	=item $player->ext_reply ($msgid, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1155		1751
1156	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1157		1753
1158	=cut	1754	=cut
1159		1755
1160	sub ext_reply($$%) {	1756	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1162		1758
1163	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1760	}
1167		1761
1168	=item $player->ext_event ($type, %msg)	1762	=item $player->ext_msg ($type, @msg)
1169		1763
1170	Sends an ext event to the client.	1764	Sends an ext event to the client.
1171		1765
1172	=cut	1766	=cut
1173		1767
1174	sub ext_event($$%) {	1768	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1769	my ($self, $type, @msg) = @_;
1176		1770
1177	$self->ns->ext_event ($type, %msg);	1771	$self->ns->ext_msg ($type, @msg);
1178	}	1772	}
1179		1773
1180	=head3 cf::region	1774	=head3 cf::region
1181		1775
1182	=over 4	1776	=over 4
…		…
1185		1779
1186	package cf::region;	1780	package cf::region;
1187		1781
1188	=item cf::region::find_by_path $path	1782	=item cf::region::find_by_path $path
1189		1783
1190	Tries to decuce the probable region for a map knowing only its path.	1784	Tries to decuce the likely region for a map knowing only its path.
1191		1785
1192	=cut	1786	=cut
1193		1787
1194	sub find_by_path($) {	1788	sub find_by_path($) {
1195	my ($path) = @_;	1789	my ($path) = @_;
1196		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
1197	my ($match, $specificity);	1793	my ($match, $specificity);
1198		1794
1199	for my $region (list) {	1795	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1796	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1797	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1798	if $region->specificity > $specificity;
1203	}	1799	}
1204	}	1800	}
1205		1801
…		…
1226	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1228		1824
1229	sub generate_random_map {	1825	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1826	my ($self, $rmp) = @_;
		1827
		1828	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1829
1231	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1831	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1254		1853
1255	sub register {	1854	sub register {
1256	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	1856	my $pkg = caller;
1258		1857
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		1859
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1861	}
1264		1862
1265	# also paths starting with '/'	1863	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1865
1268	sub thawer_merge {	1866	sub thawer_merge {
1269	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1270		1868
1271	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
1272	local $self->{path};	1870	local $self->{path};
1273	local $self->{load_path};	1871	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1872
1277	$self->SUPER::thawer_merge ($merge);	1873	$self->SUPER::thawer_merge ($merge);
1278	}	1874	}
1279		1875
1280	sub normalise {	1876	sub normalise {
1281	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1282		1878
1283	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1284		1880
1285	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1286		1882
1287	# map plan:	1883	# map plan:
1288	#	1884	#
…		…
1327	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1328	return $self;	1924	return $self;
1329	}	1925	}
1330	}	1926	}
1331		1927
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	1929	()
1334	}	1930	}
1335		1931
1336	sub init {	1932	sub init {
1337	my ($self) = @_;	1933	my ($self) = @_;
…		…
1359		1955
1360	# the temporary/swap location	1956	# the temporary/swap location
1361	sub save_path {	1957	sub save_path {
1362	my ($self) = @_;	1958	my ($self) = @_;
1363		1959
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1961	"$TMPDIR/$path.map"
1366	}	1962	}
1367		1963
1368	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1369	sub uniq_path {	1965	sub uniq_path {
1370	my ($self) = @_;	1966	my ($self) = @_;
1371		1967
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1969	"$UNIQUEDIR/$path"
1374	}	1970	}
1375		1971
1376	# and all this just because we cannot iterate over	1972	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1973	my ($self) = @_;
1380		1974
1381	$_->change_map_light ($change)	1975	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1976
		1977	$self->do_decay_objects;
1383	}	1978	}
1384		1979
1385	sub unlink_save {	1980	sub unlink_save {
1386	my ($self) = @_;	1981	my ($self) = @_;
1387		1982
…		…
1392		1987
1393	sub load_header_from($) {	1988	sub load_header_from($) {
1394	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1395		1990
1396	utf8::encode $path;	1991	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1993	or return;
		1994
		1995	$self->_load_header ($f)
		1996	or return;
		1997
		1998	local $MAP_LOADING{$self->{path}} = $self;
		1999	$f->resolve_delayed_derefs;
1402		2000
1403	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1404		2002
1405	1	2003	1
1406	}	2004	}
…		…
1445	$self->load_header_orig	2043	$self->load_header_orig
1446	or return;	2044	or return;
1447	$self->prepare_orig;	2045	$self->prepare_orig;
1448	}	2046	}
1449		2047
		2048	$self->{deny_reset} = 1
		2049	if $self->no_reset;
		2050
1450	$self->default_region (cf::region::find_by_path $self->{path})	2051	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2052	unless $self->default_region;
1452		2053
1453	1	2054	1
1454	}	2055	}
1455		2056
1456	sub find;	2057	sub find;
1457	sub find {	2058	sub find {
1458	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1459		2060
		2061	cf::cede_to_tick;
		2062
1460	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1461		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2067
1464	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1467	or return;	2070	or return;
1468		2071
1469	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1470		2073
1471	$map->load_header	2074	$map->load_header
1472	or return;	2075	or return;
1473		2076
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1477	$map->reset;	2082	$map->reset;
1478	undef $guard;
1479	return find $path;	2083	return find $path;
1480	}	2084	}
1481		2085
1482	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1483	}	2087	}
1484	}	2088	}
1485		2089
1486	sub pre_load { }	2090	sub pre_load { }
1487	sub post_load { }	2091	#sub post_load { } # XS
1488		2092
1489	sub load {	2093	sub load {
1490	my ($self) = @_;	2094	my ($self) = @_;
1491		2095
1492	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1493		2097
1494	my $path = $self->{path};	2098	my $path = $self->{path};
1495		2099
1496	{	2100	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1498		2102
		2103	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2105
1501	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1502		2107
1503	$self->alloc;	2108	$self->alloc;
1504		2109
1505	$self->pre_load;	2110	$self->pre_load;
1506	Coro::cede;	2111	cf::cede_to_tick;
1507		2112
		2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2115	$self->_load_objects ($f)
1509	or return;	2116	or return;
1510		2117
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1512	if delete $self->{load_original};	2119	if delete $self->{load_original};
1513		2120
1514	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2122	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2125	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1519	}	2129	}
1520	}	2130	}
1521		2131
1522	Coro::cede;	2132	$f->resolve_delayed_derefs;
		2133
		2134	cf::cede_to_tick;
1523	# now do the right thing for maps	2135	# now do the right thing for maps
1524	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2138	unless $self->difficulty;
1527	Coro::cede;	2139	cf::cede_to_tick;
1528		2140
1529	unless ($self->{deny_activate}) {	2141	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2142	$self->decay_objects;
1531	$self->fix_auto_apply;	2143	$self->fix_auto_apply;
1532	$self->update_buttons;	2144	$self->update_buttons;
1533	Coro::cede;	2145	cf::cede_to_tick;
1534	$self->set_darkness_map;
1535	Coro::cede;
1536	$self->activate;	2146	$self->activate;
1537	}	2147	}
1538		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2152	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2153	}
1541		2154
1542	$self->post_load;	2155	$self->post_load;
1543	}	2156	}
1544		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2161	sub customise_for {
1546	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1547		2163
1548	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2165	if $self->per_player;
1550		2166
		2167	# return find "?party/" . $ob->name . "/" . $self->{path}
		2168	# if $self->per_party;
		2169
1551	$self	2170	$self
1552	}	2171	}
1553		2172
1554	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2174	sub load_neighbours {
1556	my ($map) = @_;	2175	my ($map) = @_;
1557		2176
1558	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1559		2178
1560	for (0 .. 3) {	2179	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1562	or next;	2181	or next;
1563	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1564	or next;	2183	or next;
1565	$neigh->load;	2184	$neigh->load;
1566		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2190	}
1570		2191
1571	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1573	or next;	2195	or next;
1574	$neigh->load;	2196	$neigh->load;
1575	}	2197	}
1576	}	2198	}
1577		2199
1578	sub find_sync {	2200	sub find_sync {
1579	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1580		2202
1581	cf::sync_job { find $path, $origin }	2203	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2204	if $Coro::current == $Coro::main;
		2205
		2206	find $path, $origin
1582	}	2207	}
1583		2208
1584	sub do_load_sync {	2209	sub do_load_sync {
1585	my ($map) = @_;	2210	my ($map) = @_;
1586		2211
1587	cf::sync_job { $map->load };	2212	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2213	if $Coro::current == $Coro::main;
		2214
		2215	$map->load;
1588	}	2216	}
1589		2217
1590	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1592		2220
1593	sub find_async {	2221	sub find_async {
1594	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1595		2223
1596	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1597		2225
1598	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2228	}
1601		2229
1602	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1603	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1604	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2237	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2238	$map->load if $v;
		2239	}
1609		2240
1610	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1611	}	2242	}
1612	}	2243	}
1613	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1614	};	2245	};
1615	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1616		2247
1617	()	2248	()
1618	}	2249	}
1619		2250
		2251	# common code, used by both ->save and ->swapout
1620	sub save {	2252	sub _save {
1621	my ($self) = @_;	2253	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2254
1625	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1626		2256
1627	return unless $self->dirty;	2257	return unless $self->dirty;
1628		2258
…		…
1634	return if $self->{deny_save};	2264	return if $self->{deny_save};
1635		2265
1636	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1637		2267
1638	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1640	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1641		2274
1642	if ($uniq) {	2275	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2278	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2280	}
1648	}	2281	}
1649		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1650	sub swap_out {	2291	sub swap_out {
1651	my ($self) = @_;	2292	my ($self) = @_;
1652		2293
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1658	return if $self->players;	2298	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		2299
		2300	# first deactivate the map and "unlink" it from the core
		2301	$self->deactivate;
		2302	$_->clear_links_to ($self) for values %cf::MAP;
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# then atomically save
		2306	$self->_save;
		2307
		2308	# then free the map
1662	$self->clear;	2309	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2310	}
1665		2311
1666	sub reset_at {	2312	sub reset_at {
1667	my ($self) = @_;	2313	my ($self) = @_;
1668		2314
1669	# TODO: safety, remove and allow resettable per-player maps	2315	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2316	return 1e99 if $self->{deny_reset};
1672		2317
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2318	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2319	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2320
…		…
1686	my ($self) = @_;	2331	my ($self) = @_;
1687		2332
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2334
1690	return if $self->players;	2335	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2336
1693	warn "resetting map ", $self->path;#d#	2337	cf::trace "resetting map ", $self->path, "\n";
1694		2338
1695	$self->in_memory (cf::MAP_SWAPPED);	2339	$self->in_memory (cf::MAP_SWAPPED);
1696		2340
1697	# need to save uniques path	2341	# need to save uniques path
1698	unless ($self->{deny_save}) {	2342	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2346	if $uniq;
1703	}	2347	}
1704		2348
1705	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1706		2350
		2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2353	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2354
1711	$self->unlink_save;	2355	$self->unlink_save;
1712	$self->destroy;	2356	$self->destroy;
1713	}	2357	}
1714		2358
1715	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1716		2360
1717	sub nuke {	2361	sub nuke {
1718	my ($self) = @_;	2362	my ($self) = @_;
1719		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1720	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1721		2368
1722	$self->unlink_save;	2369	$self->unlink_save;
1723		2370
1724	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2376
1730	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1731		2379
1732	$self->reset; # polite request, might not happen	2380	$self->reset; # polite request, might not happen
		2381	}
		2382
		2383	=item $maps = cf::map::tmp_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	maps. May block.
		2387
		2388	=cut
		2389
		2390	sub tmp_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise $_
		2396	: ()
		2397	} @{ aio_readdir $TMPDIR or [] }
		2398	]
		2399	}
		2400
		2401	=item $maps = cf::map::random_maps
		2402
		2403	Returns an arrayref with all map paths of currently instantiated and saved
		2404	random maps. May block.
		2405
		2406	=cut
		2407
		2408	sub random_maps() {
		2409	[
		2410	map {
		2411	utf8::decode $_;
		2412	/\.map$/
		2413	? normalise "?random/$_"
		2414	: ()
		2415	} @{ aio_readdir $RANDOMDIR or [] }
		2416	]
1733	}	2417	}
1734		2418
1735	=item cf::map::unique_maps	2419	=item cf::map::unique_maps
1736		2420
1737	Returns an arrayref of paths of all shared maps that have	2421	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2422	instantiated unique items. May block.
1739		2423
1740	=cut	2424	=cut
1741		2425
1742	sub unique_maps() {	2426	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2427	[
1744	or return;	2428	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2429	utf8::decode $_;
1750	next if /\.pst$/;	2430	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2432	? ()
1753	push @paths, cf::map::normalise $_;	2433	: normalise $_
		2434	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2435	]
1755
1756	\@paths
1757	}	2436	}
1758		2437
1759	package cf;	2438	=item cf::map::static_maps
		2439
		2440	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2441	file in the shared directory excluding F</styles> and F</editor>). May
		2442	block.
		2443
		2444	=cut
		2445
		2446	sub static_maps() {
		2447	my @dirs = "";
		2448	my @maps;
		2449
		2450	while (@dirs) {
		2451	my $dir = shift @dirs;
		2452
		2453	next if $dir eq "/styles" || $dir eq "/editor";
		2454
		2455	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2456	or return;
		2457
		2458	for (@$files) {
		2459	s/\.map$// or next;
		2460	utf8::decode $_;
		2461	push @maps, "$dir/$_";
		2462	}
		2463
		2464	push @dirs, map "$dir/$_", @$dirs;
		2465	}
		2466
		2467	\@maps
		2468	}
1760		2469
1761	=back	2470	=back
1762		2471
1763	=head3 cf::object	2472	=head3 cf::object
1764		2473
…		…
1768		2477
1769	=over 4	2478	=over 4
1770		2479
1771	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1772		2481
1773	Returns the inventory of the object _and_ their inventories, recursively.	2482	Returns the inventory of the object I<and> their inventories, recursively,
		2483	but I<not> the object itself.
1774		2484
1775	=cut	2485	=cut
1776		2486
1777	sub inv_recursive_;	2487	sub inv_recursive_;
1778	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1781		2491
1782	sub inv_recursive {	2492	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1784	}	2494	}
1785		2495
		2496	=item $ref = $ob->ref
		2497
		2498	Creates and returns a persistent reference to an object that can be stored as a string.
		2499
		2500	=item $ob = cf::object::deref ($refstring)
		2501
		2502	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2503	even if the object actually exists. May block.
		2504
		2505	=cut
		2506
		2507	sub deref {
		2508	my ($ref) = @_;
		2509
		2510	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2511	my ($uuid, $name) = ($1, $2);
		2512	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2513	or return;
		2514	$pl->ob->uuid eq $uuid
		2515	or return;
		2516
		2517	$pl->ob
		2518	} else {
		2519	warn "$ref: cannot resolve object reference\n";
		2520	undef
		2521	}
		2522	}
		2523
1786	package cf;	2524	package cf;
1787		2525
1788	=back	2526	=back
1789		2527
1790	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2534	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2535	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1799		2537
1800	=cut	2538	=cut
		2539
		2540	our $SAY_CHANNEL = {
		2541	id => "say",
		2542	title => "Map",
		2543	reply => "say ",
		2544	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2545	};
		2546
		2547	our $CHAT_CHANNEL = {
		2548	id => "chat",
		2549	title => "Chat",
		2550	reply => "chat ",
		2551	tooltip => "Player chat and shouts, global to the server.",
		2552	};
1801		2553
1802	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2555	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2556	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1807		2559
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2561
1810	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1812	} else {	2565	} else {
		2566	my $pl = $self->contr;
		2567
		2568	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2569	my $dialog = $pl->{npc_dialog};
		2570	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2571
		2572	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1815	}	2576	}
		2577	}
		2578
		2579	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2580
		2581	=cut
		2582
		2583	sub cf::object::send_msg {
		2584	my $pl = shift->contr
		2585	or return;
		2586	$pl->send_msg (@_);
1816	}	2587	}
1817		2588
1818	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1819		2590
1820	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1833		2604
1834	=item $player_object->enter_link	2605	=item $player_object->enter_link
1835		2606
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2607	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2608
1838	The player should be reasonably safe there for short amounts of time. You	2609	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2610	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2611	though, as the player cannot control the character while it is on the link
		2612	map.
1840		2613
1841	Will never block.	2614	Will never block.
1842		2615
1843	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1844		2617
…		…
1862	}	2635	}
1863		2636
1864	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2638	my ($self) = @_;
1866		2639
1867	$self->activate_recursive;	2640	$self->deactivate_recursive;
		2641
		2642	++$self->{_link_recursion};
1868		2643
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2645
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2647	if $self->map && $self->map->{path} ne "{link}";
1873		2648
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1875	}	2650	}
1876		2651
1877	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
		2654
		2655	return unless $self->contr->active;
1879		2656
1880	my $link_pos = delete $self->{_link_pos};	2657	my $link_pos = delete $self->{_link_pos};
1881		2658
1882	unless ($map) {	2659	unless ($map) {
1883	# restore original map position	2660	# restore original map position
…		…
1894	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
1895	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
1896		2673
1897	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
1900		2677
1901	$map->load;	2678	$map->load;
1902	$map->load_diag;	2679	$map->load_neighbours;
1903		2680
1904	return unless $self->contr->active;	2681	return unless $self->contr->active;
1905	$self->activate_recursive;
1906		2682
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2684	if ($self->enter_map ($map, $x, $y)) {
1909	}	2685	# entering was successful
1910		2686	delete $self->{_link_recursion};
1911	cf::player->attach (	2687	# only activate afterwards, to support waiting in hooks
1912	on_logout => sub {	2688	$self->activate_recursive;
1913	my ($pl) = @_;
1914
1915	# abort map switching before logout
1916	if ($pl->ob->{_link_pos}) {
1917	cf::sync_job {
1918	$pl->ob->leave_link
1919	};
1920	}
1921	},	2689	}
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2690
1925	# try to abort aborted map switching on player login :)	2691	}
1926	# should happen only on crashes
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2692
1943	=item $player_object->goto ($path, $x, $y)	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1944		2694
		2695	Moves the player to the given map-path and coordinates by first freezing
		2696	her, loading and preparing them map, calling the provided $check callback
		2697	that has to return the map if sucecssful, and then unfreezes the player on
		2698	the new (success) or old (failed) map position. In either case, $done will
		2699	be called at the end of this process.
		2700
		2701	Note that $check will be called with a potentially non-loaded map, so if
		2702	it needs a loaded map it has to call C<< ->load >>.
		2703
1945	=cut	2704	=cut
		2705
		2706	our $GOTOGEN;
1946		2707
1947	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2709	my ($self, $path, $x, $y, $check, $done) = @_;
		2710
		2711	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2712	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2713	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2714	($path, $x, $y) = @$EMERGENCY_POSITION;
		2715	}
		2716
		2717	# do generation counting so two concurrent goto's will be executed in-order
		2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2719
1950	$self->enter_link;	2720	$self->enter_link;
1951		2721
1952	(async {	2722	(async {
		2723	$Coro::current->{desc} = "player::goto $path $x $y";
		2724
		2725	# *tag paths override both path and x|y
		2726	if ($path =~ /^\*(.*)$/) {
		2727	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2728	my $ob = $obs[rand @obs];
		2729
		2730	# see if we actually can go there
		2731	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2732	$ob = $obs[rand @obs];
		2733	} else {
		2734	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736	# else put us there anyways for now #d#
		2737
		2738	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2739	} else {
		2740	($path, $x, $y) = (undef, undef, undef);
		2741	}
		2742	}
		2743
1953	my $map = eval {	2744	my $map = eval {
1954	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
		2746
		2747	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2748	$map = $map->customise_for ($self);
		2749	$map = $check->($map, $x, $y, $self) if $check && $map;
		2750	} else {
		2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	}
		2753
1956	$map	2754	$map
		2755	};
		2756
		2757	if ($@) {
		2758	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2760	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2761
		2762	if ($gen == $self->{_goto_generation}) {
		2763	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
		2765	}
		2766
		2767	$done->($self) if $done;
1961	})->prio (1);	2768	})->prio (1);
1962	}	2769	}
1963		2770
1964	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
1965		2772
…		…
1985	}	2792	}
1986		2793
1987	sub prepare_random_map {	2794	sub prepare_random_map {
1988	my ($exit) = @_;	2795	my ($exit) = @_;
1989		2796
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2799	# that depends on the exit object
1995		2800
1996	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2803	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
2003	}	2810	}
2004		2811
2005	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
2006		2813
2007	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
2010		2817
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2820	undef $fh;
2014	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
2015		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
2018	}	2829	}
2019	}	2830	}
2020		2831
2021	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
2023		2834
2024	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
2025		2836
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2837	$self->enter_link;
2038		2838
2039	(async {	2839	(async {
2040	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
2041	unless (eval {	2842	unless (eval {
		2843	$self->deactivate_recursive; # just to be sure
		2844
		2845	# random map handling
		2846	{
		2847	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2848
		2849	prepare_random_map $exit
		2850	if $exit->slaying eq "/!";
		2851	}
		2852
		2853	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2854	my $x = $exit->stats->hp;
		2855	my $y = $exit->stats->sp;
		2856
2042	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
2043		2858
		2859	# if exit is damned, update players death & WoR home-position
		2860	$self->contr->savebed ($map, $x, $y)
		2861	if $exit->flag (cf::FLAG_DAMNED);
		2862
2044	1;	2863	1
2045	}) {	2864	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "I'll try to bring you back to the map you were before. "	2866	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
2050		2869
2051	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
2052	$self->leave_link;	2871	$self->leave_link;
2053	}	2872	}
2054	})->prio (1);	2873	})->prio (1);
2055	}	2874	}
2056		2875
…		…
2070		2889
2071	utf8::encode $text;	2890	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2891	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2892	}
2074		2893
		2894	=item $client->send_big_packet ($pkt)
		2895
		2896	Like C<send_packet>, but tries to compress large packets, and fragments
		2897	them as required.
		2898
		2899	=cut
		2900
		2901	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2902
		2903	sub cf::client::send_big_packet {
		2904	my ($self, $pkt) = @_;
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2920
		2921	Send a drawinfo or msg packet to the client, formatting the msg for the
		2922	client if neccessary. C<$type> should be a string identifying the type of
		2923	the message, with C<log> being the default. If C<$color> is negative, suppress
		2924	the message unless the client supports the msg packet.
		2925
		2926	=cut
		2927
		2928	# non-persistent channels (usually the info channel)
		2929	our %CHANNEL = (
		2930	"c/motd" => {
		2931	id => "infobox",
		2932	title => "MOTD",
		2933	reply => undef,
		2934	tooltip => "The message of the day",
		2935	},
		2936	"c/identify" => {
		2937	id => "infobox",
		2938	title => "Identify",
		2939	reply => undef,
		2940	tooltip => "Items recently identified",
		2941	},
		2942	"c/examine" => {
		2943	id => "infobox",
		2944	title => "Examine",
		2945	reply => undef,
		2946	tooltip => "Signs and other items you examined",
		2947	},
		2948	"c/shopinfo" => {
		2949	id => "infobox",
		2950	title => "Shop Info",
		2951	reply => undef,
		2952	tooltip => "What your bargaining skill tells you about the shop",
		2953	},
		2954	"c/book" => {
		2955	id => "infobox",
		2956	title => "Book",
		2957	reply => undef,
		2958	tooltip => "The contents of a note or book",
		2959	},
		2960	"c/lookat" => {
		2961	id => "infobox",
		2962	title => "Look",
		2963	reply => undef,
		2964	tooltip => "What you saw there",
		2965	},
		2966	"c/who" => {
		2967	id => "infobox",
		2968	title => "Players",
		2969	reply => undef,
		2970	tooltip => "Shows players who are currently online",
		2971	},
		2972	"c/body" => {
		2973	id => "infobox",
		2974	title => "Body Parts",
		2975	reply => undef,
		2976	tooltip => "Shows which body parts you posess and are available",
		2977	},
		2978	"c/statistics" => {
		2979	id => "infobox",
		2980	title => "Statistics",
		2981	reply => undef,
		2982	tooltip => "Shows your primary statistics",
		2983	},
		2984	"c/skills" => {
		2985	id => "infobox",
		2986	title => "Skills",
		2987	reply => undef,
		2988	tooltip => "Shows your experience per skill and item power",
		2989	},
		2990	"c/shopitems" => {
		2991	id => "infobox",
		2992	title => "Shop Items",
		2993	reply => undef,
		2994	tooltip => "Shows the items currently for sale in this shop",
		2995	},
		2996	"c/resistances" => {
		2997	id => "infobox",
		2998	title => "Resistances",
		2999	reply => undef,
		3000	tooltip => "Shows your resistances",
		3001	},
		3002	"c/pets" => {
		3003	id => "infobox",
		3004	title => "Pets",
		3005	reply => undef,
		3006	tooltip => "Shows information abotu your pets/a specific pet",
		3007	},
		3008	"c/perceiveself" => {
		3009	id => "infobox",
		3010	title => "Perceive Self",
		3011	reply => undef,
		3012	tooltip => "You gained detailed knowledge about yourself",
		3013	},
		3014	"c/uptime" => {
		3015	id => "infobox",
		3016	title => "Uptime",
		3017	reply => undef,
		3018	tooltip => "How long the server has been running since last restart",
		3019	},
		3020	"c/mapinfo" => {
		3021	id => "infobox",
		3022	title => "Map Info",
		3023	reply => undef,
		3024	tooltip => "Information related to the maps",
		3025	},
		3026	"c/party" => {
		3027	id => "party",
		3028	title => "Party",
		3029	reply => "gsay ",
		3030	tooltip => "Messages and chat related to your party",
		3031	},
		3032	"c/death" => {
		3033	id => "death",
		3034	title => "Death",
		3035	reply => undef,
		3036	tooltip => "Reason for and more info about your most recent death",
		3037	},
		3038	"c/say" => $SAY_CHANNEL,
		3039	"c/chat" => $CHAT_CHANNEL,
		3040	);
		3041
		3042	sub cf::client::send_msg {
		3043	my ($self, $channel, $msg, $color, @extra) = @_;
		3044
		3045	$msg = $self->pl->expand_cfpod ($msg)
		3046	unless $color & cf::NDI_VERBATIM;
		3047
		3048	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3049
		3050	# check predefined channels, for the benefit of C
		3051	if ($CHANNEL{$channel}) {
		3052	$channel = $CHANNEL{$channel};
		3053
		3054	$self->ext_msg (channel_info => $channel);
		3055	$channel = $channel->{id};
		3056
		3057	} elsif (ref $channel) {
		3058	# send meta info to client, if not yet sent
		3059	unless (exists $self->{channel}{$channel->{id}}) {
		3060	$self->{channel}{$channel->{id}} = $channel;
		3061	$self->ext_msg (channel_info => $channel);
		3062	}
		3063
		3064	$channel = $channel->{id};
		3065	}
		3066
		3067	return unless @extra || length $msg;
		3068
		3069	# default colour, mask it out
		3070	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3071	if $color & cf::NDI_DEF;
		3072
		3073	my $pkt = "msg "
		3074	. $self->{json_coder}->encode (
		3075	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3076	);
		3077
		3078	$self->send_big_packet ($pkt);
		3079	}
		3080
2075	=item $client->ext_event ($type, %msg)	3081	=item $client->ext_msg ($type, @msg)
2076		3082
2077	Sends an exti event to the client.	3083	Sends an ext event to the client.
2078		3084
2079	=cut	3085	=cut
2080		3086
2081	sub cf::client::ext_event($$%) {	3087	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	3088	my ($self, $type, @msg) = @_;
2083		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	3093	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
		3097
		3098	=item $client->ext_reply ($msgid, @msg)
		3099
		3100	Sends an ext reply to the client.
		3101
		3102	=cut
		3103
		3104	sub cf::client::ext_reply($$@) {
		3105	my ($self, $id, @msg) = @_;
		3106
		3107	if ($self->extcmd == 2) {
		3108	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3109	} elsif ($self->extcmd == 1) {
		3110	#TODO: version 1, remove
		3111	unshift @msg, msgtype => "reply", msgid => $id;
		3112	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3113	}
2086	}	3114	}
2087		3115
2088	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
2089		3117
2090	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3119	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3120	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		3121
2094	Queries can fail, so check the return code. Or don't, as queries will become	3122	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	3123	become reliable at some point in the future.
2096		3124
2097	=cut	3125	=cut
2098		3126
2099	sub cf::client::query {	3127	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	3136	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		3138
2111	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
2113	}	3143	}
2114		3144
2115	cf::client->attach (	3145	cf::client->attach (
		3146	on_connect => sub {
		3147	my ($ns) = @_;
		3148
		3149	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3150	},
2116	on_reply => sub {	3151	on_reply => sub {
2117	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
2118		3153
2119	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2120	# get handled first	3155	# get handled first
…		…
2132	} else {	3167	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3169	}
2135	}	3170	}
2136	},	3171	},
		3172	on_exticmd => sub {
		3173	my ($ns, $buf) = @_;
		3174
		3175	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3176
		3177	if (ref $msg) {
		3178	my ($type, $reply, @payload) =
		3179	"ARRAY" eq ref $msg
		3180	? @$msg
		3181	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3182
		3183	my @reply;
		3184
		3185	if (my $cb = $EXTICMD{$type}) {
		3186	@reply = $cb->($ns, @payload);
		3187	}
		3188
		3189	$ns->ext_reply ($reply, @reply)
		3190	if $reply;
		3191
		3192	} else {
		3193	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3194	}
		3195
		3196	cf::override;
		3197	},
2137	);	3198	);
2138		3199
2139	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2140		3201
2141	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2157		3218
2158	$coro	3219	$coro
2159	}	3220	}
2160		3221
2161	cf::client->attach (	3222	cf::client->attach (
2162	on_destroy => sub {	3223	on_client_destroy => sub {
2163	my ($ns) = @_;	3224	my ($ns) = @_;
2164		3225
2165	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166	},	3227	},
2167	);	3228	);
…		…
2182	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2184		3245
2185	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2186		3247
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3248	$safe->permit_only (Opcode::opset qw(
		3249	:base_core :base_mem :base_orig :base_math :base_loop
		3250	grepstart grepwhile mapstart mapwhile
		3251	sort time
		3252	));
2188		3253
2189	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2190		3255
2191	=pod	3256	=pod
2192		3257
2193	The following functions and methods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2194		3259
2195	cf::object contr pay_amount pay_player map	3260	cf::object
		3261	contr pay_amount pay_player map x y force_find force_add destroy
		3262	insert remove name archname title slaying race decrease split
		3263	value
		3264
2196	cf::object::player player	3265	cf::object::player
2197	cf::player peaceful	3266	player
2198	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2199		3273
2200	=cut	3274	=cut
2201		3275
2202	for (	3276	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3277	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3278	insert remove inv nrof name archname title slaying race
		3279	decrease split destroy change_exp value msg lore send_msg)],
2204	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2206	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2207	) {	3283	) {
2208	no strict 'refs';
2209	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2210	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2211	for @funs;	3286	for @funs;
2212	}	3287	}
2213		3288
…		…
2228		3303
2229	my $qcode = $code;	3304	my $qcode = $code;
2230	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2231	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2232		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2233	local $_;	3311	local $_;
2234	local @safe::cf::_safe_eval_args = values %vars;
2235		3312
2236	my $eval =	3313	my $eval =
2237	"do {\n"	3314	"do {\n"
2238	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2240	. $code	3317	. $code
2241	. "\n}"	3318	. "\n}"
2242	;	3319	;
2243		3320
		3321	if ($CFG{safe_eval}) {
2244	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2245	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246	sub_generation_inc;	3325	sub_generation_inc;
		3326	} else {
		3327	local @cf::_safe_eval_args = values %vars;
		3328	@res = wantarray ? eval eval : scalar eval $eval;
		3329	}
2247		3330
2248	if ($@) {	3331	if ($@) {
2249	warn "$@";	3332	warn "$@",
2250	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2251	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2252	}	3335	}
2253		3336
2254	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2255	}	3338	}
2256		3339
…		…
2270	=cut	3353	=cut
2271		3354
2272	sub register_script_function {	3355	sub register_script_function {
2273	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2274		3357
2275	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2276	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2277	}	3360	}
2278		3361
2279	=back	3362	=back
2280		3363
2281	=cut	3364	=cut
2282
2283	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455		3365
2456	#############################################################################	3366	#############################################################################
2457	# the server's init and main functions	3367	# the server's init and main functions
2458		3368
2459	sub load_facedata($) {	3369	sub load_facedata($) {
2460	my ($path) = @_;	3370	my ($path) = @_;
2461		3371
		3372	# HACK to clear player env face cache, we need some signal framework
		3373	# for this (global event?)
		3374	%ext::player_env::MUSIC_FACE_CACHE = ();
		3375
		3376	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3377
2462	warn "loading facedata from $path\n";	3378	trace "loading facedata from $path\n";
2463		3379
2464	my $facedata;
2465	0 < aio_load $path, $facedata	3380	0 < aio_load $path, my $facedata
2466	or die "$path: $!";	3381	or die "$path: $!";
2467		3382
2468	$facedata = Coro::Storable::thaw $facedata;	3383	$facedata = Coro::Storable::thaw $facedata;
2469		3384
2470	$facedata->{version} == 2	3385	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		3387
		3388	# patch in the exptable
		3389	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3390	$facedata->{resource}{"res/exp_table"} = {
		3391	type => FT_RSRC,
		3392	data => $exp_table,
		3393	hash => (Digest::MD5::md5 $exp_table),
		3394	};
		3395	cf::cede_to_tick;
		3396
2473	{	3397	{
2474	my $faces = $facedata->{faceinfo};	3398	my $faces = $facedata->{faceinfo};
2475		3399
2476	while (my ($face, $info) = each %$faces) {	3400	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3402
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3403	cf::face::set_visibility $idx, $info->{visibility};
		3404	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2481	Coro::cede;	3407
		3408	cf::cede_to_tick;
2482	}	3409	}
2483		3410
2484	while (my ($face, $info) = each %$faces) {	3411	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3412	next unless $info->{smooth};
		3413
2486	my $idx = cf::face::find $face	3414	my $idx = cf::face::find $face
2487	or next;	3415	or next;
		3416
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3420	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3421	error "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3422	}
2493	Coro::cede;	3423
		3424	cf::cede_to_tick;
2494	}	3425	}
2495	}	3426	}
2496		3427
2497	{	3428	{
2498	my $anims = $facedata->{animinfo};	3429	my $anims = $facedata->{animinfo};
2499		3430
2500	while (my ($anim, $info) = each %$anims) {	3431	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3433	cf::cede_to_tick;
2503	}	3434	}
2504		3435
2505	cf::anim::invalidate_all; # d'oh	3436	cf::anim::invalidate_all; # d'oh
2506	}	3437	}
2507		3438
		3439	{
		3440	my $res = $facedata->{resource};
		3441
		3442	while (my ($name, $info) = each %$res) {
		3443	if (defined $info->{type}) {
		3444	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3445
		3446	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3447	cf::face::set_type $idx, $info->{type};
		3448	} else {
		3449	$RESOURCE{$name} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3457
2508	1	3458	1
2509	}	3459	}
2510		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($ns, $want) = @_;
		3463
		3464	while (my ($k, $v) = each %$want) {
		3465	$ns->fx_want ($k, $v);
		3466	}
		3467	};
		3468
		3469	sub load_resource_file($) {
		3470	my $guard = lock_acquire "load_resource_file";
		3471
		3472	my $status = load_resource_file_ $_[0];
		3473	get_slot 0.1, 100;
		3474	cf::arch::commit_load;
		3475
		3476	$status
		3477	}
		3478
2511	sub reload_regions {	3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
2512	load_resource_file "$MAPDIR/regions"	3484	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3485	or die "unable to load regions file\n";
		3486
		3487	for (cf::region::list) {
		3488	$_->{match} = qr/$_->{match}/
		3489	if exists $_->{match};
		3490	}
2514	}	3491	}
2515		3492
2516	sub reload_facedata {	3493	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3494	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3495	or die "unable to load facedata\n";
…		…
2526	sub reload_treasures {	3503	sub reload_treasures {
2527	load_resource_file "$DATADIR/treasures"	3504	load_resource_file "$DATADIR/treasures"
2528	or die "unable to load treasurelists\n";	3505	or die "unable to load treasurelists\n";
2529	}	3506	}
2530		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
2531	sub reload_resources {	3531	sub reload_resources {
2532	warn "reloading resource files...\n";	3532	trace "reloading resource files...\n";
2533		3533
		3534	reload_exp_table;
		3535	reload_materials;
		3536	reload_facedata;
		3537	reload_sound;
		3538	reload_archetypes;
2534	reload_regions;	3539	reload_regions;
2535	reload_facedata;
2536	reload_archetypes;
2537	reload_treasures;	3540	reload_treasures;
2538		3541
2539	warn "finished reloading resource files\n";	3542	trace "finished reloading resource files\n";
2540	}	3543	}
2541		3544
2542	sub init {	3545	sub reload_config {
2543	reload_resources;	3546	trace "reloading config file...\n";
2544	}
2545		3547
2546	sub cfg_load {	3548	0 < aio_load "$CONFDIR/config", my $config
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3549	or die "$CONFDIR/config: $!";
2548	or return;
2549		3550
2550	local $/;	3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2551	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2552		3555
2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2554		3557
2555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3558	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3559	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2557		3560
2558	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2562	};	3565	};
2563	warn $@ if $@;	3566	warn $@ if $@;
2564	}	3567	}
2565	}	3568	}
2566		3569
		3570	sub pidfile() {
		3571	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3572	or die "$PIDFILE: $!";
		3573	flock $fh, &Fcntl::LOCK_EX
		3574	or die "$PIDFILE: flock: $!";
		3575	$fh
		3576	}
		3577
		3578	# make sure only one server instance is running at any one time
		3579	sub atomic {
		3580	my $fh = pidfile;
		3581
		3582	my $pid = <$fh>;
		3583	kill 9, $pid if $pid > 0;
		3584
		3585	seek $fh, 0, 0;
		3586	print $fh $$;
		3587	}
		3588
		3589	sub main_loop {
		3590	trace "EV::loop starting\n";
		3591	if (1) {
		3592	EV::loop;
		3593	}
		3594	trace "EV::loop returned\n";
		3595	goto &main_loop unless $REALLY_UNLOOP;
		3596	}
		3597
2567	sub main {	3598	sub main {
		3599	cf::init_globals; # initialise logging
		3600
		3601	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3602	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3603	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3604	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3605
		3606	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3607
2568	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571	(async {	3611	(async {
2572	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2573	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2574	};	3615	};
2575		3616
2576	cfg_load;	3617	evthread_start IO::AIO::poll_fileno;
		3618
		3619	cf::sync_job {
		3620	cf::incloader::init ();
		3621
		3622	cf::init_anim;
		3623	cf::init_attackmess;
		3624	cf::init_dynamic;
		3625
		3626	cf::load_settings;
		3627
		3628	reload_resources;
		3629	reload_config;
2577	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2578	load_extensions;	3640	load_extensions;
2579		3641
2580	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2581	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2582	}	3660	}
2583		3661
2584	#############################################################################	3662	#############################################################################
2585	# initialisation and cleanup	3663	# initialisation and cleanup
2586		3664
2587	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2588	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2589	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2590	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2591	reentrant => 0,
2592	data => WF_AUTOCANCEL,
2593	signal => $signal,
2594	prio => 0,
2595	cb => sub {
2596	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2597	},
2598	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2599	}	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2600	}	3761	}
2601		3762
2602	sub emergency_save() {	3763	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2604		3765
2605	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2606		3772
2607	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2608	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2609	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2610	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2612	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3784	$pl->save;
2616	}	3785	}
2617	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2618		3787
2619	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2620	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2621	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2622	$map->valid or next;	3793	$map->valid or next;
2623	$map->save;	3794	$map->save;
2624	}	3795	}
2625	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2626		3797
2627	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
2628	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2629	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2630	};	3826	};
2631		3827
2632	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2633	}	3829	}
2634		3830
2635	sub post_cleanup {	3831	sub post_cleanup {
2636	my ($make_core) = @_;	3832	my ($make_core) = @_;
2637		3833
		3834	IO::AIO::flush;
		3835
2638	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2639	if $make_core;	3837	if $make_core;
		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
2640	}	3866	}
2641		3867
2642	sub do_reload_perl() {	3868	sub do_reload_perl() {
2643	# can/must only be called in main	3869	# can/must only be called in main
2644	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2645	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2646	return;	3872	return;
2647	}	3873	}
2648		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2649	warn "reloading...";	3881	info "reloading...";
2650		3882
2651	warn "entering sync_job";	3883	trace "entering sync_job";
2652		3884
2653	cf::sync_job {	3885	cf::sync_job {
2654	cf::write_runtime; # external watchdog should not bark
2655	cf::emergency_save;	3886	#cf::emergency_save;
2656	cf::write_runtime; # external watchdog should not bark
2657		3887
2658	warn "syncing database to disk";
2659	BDB::db_env_txn_checkpoint $DB_ENV;
2660
2661	# if anything goes wrong in here, we should simply crash as we already saved
2662
2663	warn "cancelling all WF_AUTOCANCEL watchers";
2664	for (Event::all_watchers) {
2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2666	}
2667
2668	warn "flushing outstanding aio requests";
2669	for (;;) {
2670	BDB::flush;
2671	IO::AIO::flush;
2672	Coro::cede;
2673	last unless IO::AIO::nreqs || BDB::nreqs;
2674	warn "iterate...";
2675	}
2676
2677	++$RELOAD;
2678
2679	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2680	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2681	%EXT_CORO = ();	3890	%EXT_CORO = ();
2682		3891
2683	warn "removing commands";	3892	trace "removing commands";
2684	%COMMAND = ();	3893	%COMMAND = ();
2685		3894
2686	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2687	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2688		3898
2689	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2692		3902
2693	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2694	eval {	3904	eval {
2695	$cb->($pkg);	3905	$cb->($pkg);
2696	1	3906	1
2697	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2698	}	3912	}
2699		3913
2700	warn "... nuking $pkg";
2701	Symbol::delete_package $pkg;
2702	}
2703
2704	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2705	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707		3917
2708	warn "... unloading $k";	3918	trace "... unloading $k";
2709	delete $INC{$k};	3919	delete $INC{$k};
2710		3920
2711	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2712	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2713		3923
2714	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2715	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2716	}	3929	}
2717		3930
2718	Symbol::delete_package $k;
2719	}
2720
2721	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2722	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724		3934
2725	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2726	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
2727	delete $INC{"cf/pod.pm"};	3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2728		3938
2729	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2730	# and global variables created in xs	3940	# and global variables created in xs
2731	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2732		3942
2733	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2734		3944
2735	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2736	require cf;	3946	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2738		3948
2739	warn "loading config and database again";	3949	trace "loading config and database again";
2740	cf::cfg_load;	3950	cf::reload_config;
2741		3951
2742	warn "loading extensions";	3952	trace "loading extensions";
2743	cf::load_extensions;	3953	cf::load_extensions;
2744		3954
		3955	if ($REATTACH_ON_RELOAD) {
2745	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2746	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2747	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2748	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2749	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2750	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2751		3963
		3964	trace "running post_init jobs";
		3965	(pop @POST_INIT)->(1) while @POST_INIT;
		3966
2752	warn "leaving sync_job";	3967	trace "leaving sync_job";
2753		3968
2754	1	3969	1
2755	} or do {	3970	} or do {
2756	warn $@;	3971	error $@;
2757	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2758	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
2759	};	3977	}
2760		3978
2761	warn "reloaded";	3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
2762	};	3981	};
2763		3982
2764	our $RELOAD_WATCHER; # used only during reload	3983	our $RELOAD_WATCHER; # used only during reload
2765		3984
2766	sub reload_perl() {	3985	sub reload_perl() {
2767	# doing reload synchronously and two reloads happen back-to-back,	3986	# doing reload synchronously and two reloads happen back-to-back,
2768	# coro crashes during coro_state_free->destroy here.	3987	# coro crashes during coro_state_free->destroy here.
2769		3988
2770	$RELOAD_WATCHER ||= Event->timer (	3989	$RELOAD_WATCHER ||= cf::async {
2771	reentrant => 0,	3990	Coro::AIO::aio_wait cache_extensions;
2772	after => 0,	3991
2773	data => WF_AUTOCANCEL,	3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2774	cb => sub {
2775	do_reload_perl;	3993	do_reload_perl;
2776	undef $RELOAD_WATCHER;	3994	undef $RELOAD_WATCHER;
2777	},	3995	};
2778	);	3996	};
2779	}	3997	}
2780		3998
2781	register_command "reload" => sub {	3999	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2783		4001
2784	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
		4004	async {
		4005	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	4006	reload_perl;
		4007	};
2787	}	4008	}
2788	};	4009	};
2789		4010
2790	unshift @INC, $LIBDIR;	4011	#############################################################################
2791		4012
2792	my $bug_warning = 0;	4013	my $bug_warning = 0;
2793		4014
2794	our @WAIT_FOR_TICK;	4015	our @WAIT_FOR_TICK;
2795	our @WAIT_FOR_TICK_BEGIN;	4016	our @WAIT_FOR_TICK_BEGIN;
2796		4017
2797	sub wait_for_tick {	4018	sub wait_for_tick() {
2798	return unless $TICK_WATCHER->is_active;
2799	return if $Coro::current == $Coro::main;	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2800		4020
2801	my $signal = new Coro::Signal;	4021	my $signal = new Coro::Signal;
2802	push @WAIT_FOR_TICK, $signal;	4022	push @WAIT_FOR_TICK, $signal;
2803	$signal->wait;	4023	$signal->wait;
2804	}	4024	}
2805		4025
2806	sub wait_for_tick_begin {	4026	sub wait_for_tick_begin() {
2807	return unless $TICK_WATCHER->is_active;
2808	return if $Coro::current == $Coro::main;	4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2809		4028
2810	my $signal = new Coro::Signal;	4029	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	4030	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	4031	$signal->wait;
2813	}	4032	}
2814		4033
2815	$TICK_WATCHER = Event->timer (	4034	sub tick {
2816	reentrant => 0,
2817	parked => 1,
2818	prio => 0,
2819	at => $NEXT_TICK || $TICK,
2820	data => WF_AUTOCANCEL,
2821	cb => sub {
2822	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2825	return;	4038	return;
2826	}	4039	}
2827		4040
2828	$NOW = Event::time;
2829
2830	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2831		4042
2832	$RUNTIME += $TICK;	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2833	$NEXT_TICK += $TICK;
2834		4044
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837	Coro::async_pool {	4047	Coro::async_pool {
		4048	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	4049	write_runtime_sync
2839	or warn "ERROR: unable to write runtime file: $!";	4050	or error "ERROR: unable to write runtime file: $!";
2840	};
2841	}	4051	};
		4052	}
2842		4053
2843	# my $AFTER = Event::time;
2844	# warn $AFTER - $NOW;#d#
2845
2846	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;
2851
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853	$sig->send;	4055	$sig->send;
2854	}	4056	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {	4057	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;	4058	$sig->send;
2857	}
2858
2859	_post_tick;
2860	},	4059	}
2861	);	4060
		4061	$LOAD = ($NOW - $TICK_START) / $TICK;
		4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4063
		4064	if (0) {
		4065	if ($NEXT_TICK) {
		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
		4070	}
		4071	}
2862		4072
2863	{	4073	{
2864	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2865	$BDB_POLL_WATCHER = Event->io (	4075
2866	reentrant => 0,
2867	fd => BDB::poll_fileno,
2868	poll => 'r',
2869	prio => 0,
2870	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,
2872	);
2873	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
2874		4077	BDB::max_poll_reqs $TICK * 0.1;
2875	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
2876	my $status;
2877	my $current = $Coro::current;
2878	(
2879	sub {
2880	$status = $!;
2881	$current->ready; undef $current;
2882	},
2883	sub {
2884	Coro::schedule while defined $current;
2885	$! = $status;
2886	},
2887	)
2888	};
2889		4079
2890	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
2891	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892		4087
2893	cf::sync_job {	4088	cf::sync_job {
2894	eval {	4089	eval {
2895	BDB::db_env_open	4090	BDB::db_env_open
2896	$DB_ENV,	4091	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	4095	0666;
2901		4096
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905	$DB_ENV->set_lk_detect;
2906	};	4098	};
2907		4099
2908	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	4101	};
2910	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
2911	}	4113	}
2912		4114
2913	{	4115	{
		4116	# configure IO::AIO
		4117
2914	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
2915
2916	undef $Coro::AIO::WATCHER;
2917	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
2918	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
2919	reentrant => 0,	4121	}
2920	data => WF_AUTOCANCEL,	4122
2921	fd => IO::AIO::poll_fileno,	4123	my $_log_backtrace;
2922	poll => 'r',	4124
2923	prio => 6,	4125	sub _log_backtrace {
2924	cb => \&IO::AIO::poll_cb,	4126	my ($msg, @addr) = @_;
2925	);	4127
		4128	$msg =~ s/\n//;
		4129
		4130	# limit the # of concurrent backtraces
		4131	if ($_log_backtrace < 2) {
		4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
		4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
		4137	my @bt = fork_call {
		4138	@addr = map { sprintf "%x", $_ } @addr;
		4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4141	or die "addr2line: $!";
		4142
		4143	my @funcs;
		4144	my @res = <$fh>;
		4145	chomp for @res;
		4146	while (@res) {
		4147	my ($func, $line) = splice @res, 0, 2, ();
		4148	push @funcs, "[$func] $line";
		4149	}
		4150
		4151	@funcs
		4152	};
		4153
		4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4156	LOG llevInfo, "[ABT] $_\n" for @bt;
		4157	--$_log_backtrace;
		4158	};
		4159	} else {
		4160	LOG llevInfo, "[ABT] $msg\n";
		4161	LOG llevInfo, "[ABT] [suppressed]\n";
		4162	}
2926	}	4163	}
2927		4164
2928	# load additional modules	4165	# load additional modules
2929	use cf::pod;	4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
2930		4168
2931	END { cf::emergency_save }	4169	END { cf::emergency_save }
2932		4170
2933	1	4171	1
2934		4172

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