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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.546 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
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		300
194	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	302	# within the Safe compartment.
196	for my $pkg (qw(	303	for my $pkg (qw(
197	cf::global cf::attachable	304	cf::global cf::attachable
198	cf::object cf::object::player	305	cf::object cf::object::player
199	cf::client cf::player	306	cf::client cf::player
200	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
201	cf::map cf::party cf::region	309	cf::party cf::region
202	)) {	310	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	312	}
206		313
207	$Event::DIED = sub {	314	$EV::DIED = sub {
208	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
209	};	316	};
		317
		318	#############################################################################
210		319
211	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
212		321
213	=over 4	322	=over 4
214		323
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	343	$d
235	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
236	}	345	}
237		346
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
241		348
242	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
243		350
244	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
245		352
246	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
247		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item 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
248	=item cf::lock_wait $string	376	=item cf::lock_wait $string
249		377
250	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
251		379
252	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
253		381
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
257	returned.	385	returned.
258		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
259	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
260	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
261		392
262	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
263		394
264	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.
265		396
266	=cut	397	=cut
267		398
268	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
269		400
270	sub lock_wait($) {	401	sub lock_wait($) {
271	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	403	}
279		404
280	sub lock_acquire($) {	405	sub lock_acquire($) {
281	my ($key) = @_;	406	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	407	}
293		408
294	sub lock_active($) {	409	sub lock_active($) {
295	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	411	}
299		412
300	sub freeze_mainloop {	413	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
302		415
303	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
304	$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($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
305	};	483	}
306	$TICK_WATCHER->stop;	484	};
307	$guard	485
		486	sub get_slot($;$$) {
		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	$sig->wait;
308	}	499	}
309		500
310	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
311		502
312	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		508
318	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
319		510
320	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
321		512
322	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
325		517
326	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
329	fast or be very important.	521	fast or be very important.
…		…
331	=cut	523	=cut
332		524
333	sub sync_job(&) {	525	sub sync_job(&) {
334	my ($job) = @_;	526	my ($job) = @_;
335		527
336	if ($Coro::current == $Coro::main) {	528	if (in_main) {
337	my $time = Event::time;	529	my $time = AE::time;
338		530
339	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
341		533
342	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	535
344	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
345		537
346	my $busy = 1;	538	my $busy = 1;
347	my @res;	539	my @res;
348		540
349	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	543	@res = eval { $job->() };
351	warn $@ if $@;	544	error $@ if $@;
352	undef $busy;	545	undef $busy;
353	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
354		547
355	while ($busy) {	548	while ($busy) {
356	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
357	}	553	}
		554	}
358		555
359	$time = Event::time - $time;	556	my $time = AE::time - $time;
360		557
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	558	$TICK_START += $time; # do not account sync jobs to server load
365		559
366	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
367	} else {	561	} else {
368	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
369		563
…		…
389	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
390		584
391	$coro	585	$coro
392	}	586	}
393		587
394	sub write_runtime {	588	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		589
397	# first touch the runtime file to show we are still running:	590	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	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.
399		594
400	IO::AIO::aio_utime $runtime, undef, undef;	595	=cut
401		596
402	my $guard = cf::lock_acquire "write_runtime";	597	sub fork_call(&@) {
		598	my ($cb, @args) = @_;
403		599
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	600	# we seemingly have to make a local copy of the whole thing,
405	or return;	601	# otherwise perl prematurely frees the stuff :/
		602	# TODO: investigate and fix (likely this will be rather laborious)
406		603
407	my $value = $cf::RUNTIME + 90 + 10;	604	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	605	reset_signals;
409	# 60 allows for the watchdog to kill the server.	606	&$cb
		607	}, @args;
410		608
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	609	wantarray ? @res : $res[-1]
412	and return;	610	}
413		611
414	# always fsync - this file is important	612	sub objinfo {
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	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"
430	}	777	}
431		778
432	=item cf::datalog type => key => value, ...	779	=item cf::datalog type => key => value, ...
433		780
434	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.
435		782
436	=cut	783	=cut
437		784
438	sub datalog($@) {	785	sub datalog($@) {
439	my ($type, %kv) = @_;	786	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	788	}
442		789
443	=back	790	=back
444		791
445	=cut	792	=cut
446		793
447	#############################################################################	794	#############################################################################
448		795
449	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
450		797
451	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
452	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")
453	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
454		801
455	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>
456	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
457	crossfire+).	804	Deliantra).
458		805
459	=over 4	806	=over 4
460		807
461	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
462		809
…		…
506	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
507		854
508	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
510		857
511	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
512	that are attached at load/instantiate time, thus the need for a name.	859	that are attached at load/instantiate time, thus the need for a name.
513		860
514	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
515		862
516	=over 4	863	=over 4
…		…
640		987
641	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		990
644	} elsif (ref $type) {	991	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
646		993
647	} else {	994	} else {
648	shift @arg;	995	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
650	}	997	}
651	}	998	}
652	}	999	}
653		1000
654	sub _object_attach {	1001	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
665	}	1012	}
666		1013
667	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
668	} else {	1015	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1017	}
671		1018
672	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
673	}	1020	}
674		1021
…		…
714	";	1061	";
715	die if $@;	1062	die if $@;
716	}	1063	}
717		1064
718	our $override;	1065	our $override;
719	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?
720		1067
721	sub override {	1068	sub override {
722	$override = 1;	1069	$override = 1;
723	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
724	}	1071	}
725		1072
726	sub do_invoke {	1073	sub do_invoke {
727	my $event = shift;	1074	my $event = shift;
728	my $callbacks = shift;	1075	my $callbacks = shift;
729		1076
730	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
731		1078
732	local $override;	1079	local $override;
733		1080
734	for (@$callbacks) {	1081	for (@$callbacks) {
735	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
736		1083
737	if ($@) {	1084	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1086	override;
741	}	1087	}
742		1088
743	return 1 if $override;	1089	return 1 if $override;
744	}	1090	}
745		1091
746	0	1092	0
747	}	1093	}
748		1094
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1096
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1098
753	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
754		1100
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1104
759	=back	1105	=back
760		1106
761	=cut	1107	=cut
762		1108
763	#############################################################################	1109	#############################################################################
764	# 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, $ob2
		1152	}
765		1153
766	sub reattach {	1154	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1156	my ($obj) = @_;
769		1157
		1158	# no longer needed after getting rid of delete_package?
770	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
771		1160
772	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
773		1162
774	@$registry = ();	1163	@$registry = ();
775		1164
…		…
780	for (@$attach) {	1169	for (@$attach) {
781	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
783	}	1172	}
784	} else {	1173	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1175	}
787	}	1176	}
788	}	1177	}
789		1178
790	cf::attachable->attach (	1179	cf::attachable->attach (
791	prio => -1000000,	1180	prio => -1000000,
792	on_instantiate => sub {	1181	on_instantiate => sub {
793	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
794		1183
795	$data = from_json $data;	1184	$data = decode_json $data;
796		1185
797	for (@$data) {	1186	for (@$data) {
798	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
799		1188
800	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1205	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
818		1207
819	sync_job {	1208	sync_job {
820	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
823		1214
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1222	aio_close $fh;
829		1223
830	if (@$objs) {	1224	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1233	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
838	}	1235	}
839	} else {	1236	} else {
840	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
841	}	1238	}
842		1239
843	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1244	} else {
845	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
846	}	1246	}
847	} else {	1247	} else {
848	aio_unlink $filename;	1248	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
850	}	1250	}
851	}	1251	};
852	}	1252	}
853		1253
854	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
856		1256
…		…
868	or return;	1268	or return;
869		1269
870	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
872	or return;	1272	or return;
		1273
873	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
874	}	1276	}
875		1277
		1278	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
878	return ($data, $av);	1283	($data, $av)
879	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
880		1291
881	#############################################################################	1292	#############################################################################
882	# command handling &c	1293	# command handling &c
883		1294
884	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1309	}
899		1310
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1312
902	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.
903		1318
904	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
905	called.	1320	called.
906		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
907	=cut	1333	=cut
908		1334
909	sub register_extcmd {	1335	sub register_extcmd {
910	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
911		1337
912	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
913	}	1339	}
914		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
915	cf::player->attach (	1349	cf::player->attach (
916	on_command => sub {	1350	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
918		1352
919	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
920	or return;	1354	or return;
921		1355
…		…
926	cf::override;	1360	cf::override;
927	},	1361	},
928	on_extcmd => sub {	1362	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
930		1364
931	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1366
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
939	} else {	1382	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1384	}
942		1385
943	cf::override;	1386	cf::override;
944	},	1387	},
945	);	1388	);
946		1389
		1390	# "readahead" all extensions
947	sub load_extension {	1391	sub cache_extensions {
948	my ($path) = @_;	1392	my $grp = IO::AIO::aio_group;
949		1393
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1395	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1397	}
975	die $@;
976	}	1398	};
977		1399
978	push @EXTS, $pkg;	1400	$grp
979	}	1401	}
980		1402
981	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
		1406	cf::sync_job {
		1407	my %todo;
		1408
982	for my $ext (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1410	next unless -r $path;
984	eval {	1411
985	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 $active;
		1474	}
986	1	1475	}
987	} or warn "$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	}
988	}	1486	};
989	}	1487	}
990		1488
991	#############################################################################	1489	#############################################################################
992		1490
		1491	=back
		1492
993	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
994		1494
995	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
996		1496
997	=cut	1497	=cut
998		1498
999	package cf::player;	1499	package cf::player;
1000		1500
1001	use Coro::AIO;	1501	use Coro::AIO;
1002		1502
1003	=head3 cf::player	1503	=head3 cf::player
1004		1504
1005	=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	}
1006		1520
1007	=item cf::player::find $login	1521	=item cf::player::find $login
1008		1522
1009	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
1010		1524
…		…
1029		1543
1030	sub exists($) {	1544	sub exists($) {
1031	my ($login) = @_;	1545	my ($login) = @_;
1032		1546
1033	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
1035	}	1549	}
1036		1550
1037	sub find($) {	1551	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1553	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1563	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1564
1051	my $pl = load_pl path $login	1565	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
1054	}	1574	}
1055	}	1575	}
1056	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($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	);
1057		1590
1058	sub save($) {	1591	sub save($) {
1059	my ($pl) = @_;	1592	my ($pl) = @_;
1060		1593
1061	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1067		1600
1068	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1072	Coro::cede;	1610	cf::cede_to_tick;
1073	}	1611	}
1074		1612
1075	sub new($) {	1613	sub new($) {
1076	my ($login) = @_;	1614	my ($login) = @_;
1077		1615
…		…
1083	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1084		1622
1085	$self	1623	$self
1086	}	1624	}
1087		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
1088	=item $pl->quit_character	1636	=item $pl->quit_character
1089		1637
1090	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1092		1640
…		…
1096	my ($pl) = @_;	1644	my ($pl) = @_;
1097		1645
1098	my $name = $pl->ob->name;	1646	my $name = $pl->ob->name;
1099		1647
1100	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1101	$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
1102		1650
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1107		1656
1108	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1694	or return [];
1146		1695
1147	my @logins;	1696	my @logins;
1148		1697
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1153		1708
1154	utf8::decode $login;	1709	utf8::decode $login;
1155	push @logins, $login;	1710	push @logins, $login;
1156	}	1711	}
1157		1712
1158	\@logins	1713	\@logins
1159	}	1714	}
1160		1715
1161	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1162		1719
1163	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1164	player. May block.	1721	player. May block.
1165		1722
1166	=cut	1723	=cut
…		…
1184	}	1741	}
1185		1742
1186	\@paths	1743	\@paths
1187	}	1744	}
1188		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1189	=item $player->ext_reply ($msgid, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1190		1751
1191	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1192		1753
1193	=cut	1754	=cut
1194		1755
1195	sub ext_reply($$%) {	1756	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1197		1758
1198	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1760	}
1202		1761
1203	=item $player->ext_event ($type, %msg)	1762	=item $player->ext_msg ($type, @msg)
1204		1763
1205	Sends an ext event to the client.	1764	Sends an ext event to the client.
1206		1765
1207	=cut	1766	=cut
1208		1767
1209	sub ext_event($$%) {	1768	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1769	my ($self, $type, @msg) = @_;
1211		1770
1212	$self->ns->ext_event ($type, %msg);	1771	$self->ns->ext_msg ($type, @msg);
1213	}	1772	}
1214		1773
1215	=head3 cf::region	1774	=head3 cf::region
1216		1775
1217	=over 4	1776	=over 4
…		…
1220		1779
1221	package cf::region;	1780	package cf::region;
1222		1781
1223	=item cf::region::find_by_path $path	1782	=item cf::region::find_by_path $path
1224		1783
1225	Tries to decuce the probable region for a map knowing only its path.	1784	Tries to decuce the likely region for a map knowing only its path.
1226		1785
1227	=cut	1786	=cut
1228		1787
1229	sub find_by_path($) {	1788	sub find_by_path($) {
1230	my ($path) = @_;	1789	my ($path) = @_;
1231		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
1232	my ($match, $specificity);	1793	my ($match, $specificity);
1233		1794
1234	for my $region (list) {	1795	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1796	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1797	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1798	if $region->specificity > $specificity;
1238	}	1799	}
1239	}	1800	}
1240		1801
…		…
1261	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1263		1824
1264	sub generate_random_map {	1825	sub generate_random_map {
1265	my ($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
1266	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1831	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1289		1853
1290	sub register {	1854	sub register {
1291	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	1856	my $pkg = caller;
1293		1857
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		1859
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	1861	}
1299		1862
1300	# also paths starting with '/'	1863	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		1865
1303	sub thawer_merge {	1866	sub thawer_merge {
1304	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1305		1868
1306	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
1307	local $self->{path};	1870	local $self->{path};
1308	local $self->{load_path};	1871	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1872
1312	$self->SUPER::thawer_merge ($merge);	1873	$self->SUPER::thawer_merge ($merge);
1313	}	1874	}
1314		1875
1315	sub normalise {	1876	sub normalise {
1316	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1317		1878
1318	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1319		1880
1320	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1321		1882
1322	# map plan:	1883	# map plan:
1323	#	1884	#
…		…
1362	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1363	return $self;	1924	return $self;
1364	}	1925	}
1365	}	1926	}
1366		1927
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	1929	()
1369	}	1930	}
1370		1931
1371	sub init {	1932	sub init {
1372	my ($self) = @_;	1933	my ($self) = @_;
…		…
1394		1955
1395	# the temporary/swap location	1956	# the temporary/swap location
1396	sub save_path {	1957	sub save_path {
1397	my ($self) = @_;	1958	my ($self) = @_;
1398		1959
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1961	"$TMPDIR/$path.map"
1401	}	1962	}
1402		1963
1403	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1404	sub uniq_path {	1965	sub uniq_path {
1405	my ($self) = @_;	1966	my ($self) = @_;
1406		1967
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1969	"$UNIQUEDIR/$path"
1409	}	1970	}
1410		1971
1411	# and all this just because we cannot iterate over	1972	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1973	my ($self) = @_;
1415		1974
1416	$_->change_map_light ($change)	1975	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1976
		1977	$self->do_decay_objects;
1418	}	1978	}
1419		1979
1420	sub unlink_save {	1980	sub unlink_save {
1421	my ($self) = @_;	1981	my ($self) = @_;
1422		1982
…		…
1427		1987
1428	sub load_header_from($) {	1988	sub load_header_from($) {
1429	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1430		1990
1431	utf8::encode $path;	1991	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		2000
1438	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1439		2002
1440	1	2003	1
1441	}	2004	}
…		…
1480	$self->load_header_orig	2043	$self->load_header_orig
1481	or return;	2044	or return;
1482	$self->prepare_orig;	2045	$self->prepare_orig;
1483	}	2046	}
1484		2047
		2048	$self->{deny_reset} = 1
		2049	if $self->no_reset;
		2050
1485	$self->default_region (cf::region::find_by_path $self->{path})	2051	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2052	unless $self->default_region;
1487		2053
1488	1	2054	1
1489	}	2055	}
1490		2056
1491	sub find;	2057	sub find;
1492	sub find {	2058	sub find {
1493	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1494		2060
		2061	cf::cede_to_tick;
		2062
1495	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1496		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2067
1499	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1502	or return;	2070	or return;
1503		2071
1504	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1505		2073
1506	$map->load_header	2074	$map->load_header
1507	or return;	2075	or return;
1508		2076
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1512	$map->reset;	2082	$map->reset;
1513	undef $guard;
1514	return find $path;	2083	return find $path;
1515	}	2084	}
1516		2085
1517	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1518	}	2087	}
1519	}	2088	}
1520		2089
1521	sub pre_load { }	2090	sub pre_load { }
1522	sub post_load { }	2091	#sub post_load { } # XS
1523		2092
1524	sub load {	2093	sub load {
1525	my ($self) = @_;	2094	my ($self) = @_;
1526		2095
1527	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1528		2097
1529	my $path = $self->{path};	2098	my $path = $self->{path};
1530		2099
1531	{	2100	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1533		2102
		2103	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2105
1536	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1537		2107
1538	$self->alloc;	2108	$self->alloc;
1539		2109
1540	$self->pre_load;	2110	$self->pre_load;
1541	Coro::cede;	2111	cf::cede_to_tick;
1542		2112
		2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2115	$self->_load_objects ($f)
1544	or return;	2116	or return;
1545		2117
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1547	if delete $self->{load_original};	2119	if delete $self->{load_original};
1548		2120
1549	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2122	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2125	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1554	}	2129	}
1555	}	2130	}
1556		2131
1557	Coro::cede;	2132	$f->resolve_delayed_derefs;
		2133
		2134	cf::cede_to_tick;
1558	# now do the right thing for maps	2135	# now do the right thing for maps
1559	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2138	unless $self->difficulty;
1562	Coro::cede;	2139	cf::cede_to_tick;
1563		2140
1564	unless ($self->{deny_activate}) {	2141	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2142	$self->decay_objects;
1566	$self->fix_auto_apply;	2143	$self->fix_auto_apply;
1567	$self->update_buttons;	2144	$self->update_buttons;
1568	Coro::cede;	2145	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2146	$self->activate;
1572	}	2147	}
1573		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2152	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2153	}
1576		2154
1577	$self->post_load;	2155	$self->post_load;
1578	}	2156	}
1579		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2161	sub customise_for {
1581	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1582		2163
1583	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2165	if $self->per_player;
1585		2166
		2167	# return find "?party/" . $ob->name . "/" . $self->{path}
		2168	# if $self->per_party;
		2169
1586	$self	2170	$self
1587	}	2171	}
1588		2172
1589	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2174	sub load_neighbours {
1591	my ($map) = @_;	2175	my ($map) = @_;
1592		2176
1593	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1594		2178
1595	for (0 .. 3) {	2179	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1597	or next;	2181	or next;
1598	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1599	or next;	2183	or next;
1600	$neigh->load;	2184	$neigh->load;
1601		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2190	}
1605		2191
1606	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1608	or next;	2195	or next;
1609	$neigh->load;	2196	$neigh->load;
1610	}	2197	}
1611	}	2198	}
1612		2199
1613	sub find_sync {	2200	sub find_sync {
1614	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1615		2202
1616	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, $origin
1617	}	2207	}
1618		2208
1619	sub do_load_sync {	2209	sub do_load_sync {
1620	my ($map) = @_;	2210	my ($map) = @_;
1621		2211
1622	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;
1623	}	2216	}
1624		2217
1625	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1627		2220
1628	sub find_async {	2221	sub find_async {
1629	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1630		2223
1631	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1632		2225
1633	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2228	}
1636		2229
1637	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1638	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1639	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2237	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2238	$map->load if $v;
		2239	}
1644		2240
1645	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1646	}	2242	}
1647	}	2243	}
1648	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1649	};	2245	};
1650	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1651		2247
1652	()	2248	()
1653	}	2249	}
1654		2250
		2251	# common code, used by both ->save and ->swapout
1655	sub save {	2252	sub _save {
1656	my ($self) = @_;	2253	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2254
1660	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1661		2256
1662	return unless $self->dirty;	2257	return unless $self->dirty;
1663		2258
…		…
1669	return if $self->{deny_save};	2264	return if $self->{deny_save};
1670		2265
1671	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1672		2267
1673	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1675	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1676		2274
1677	if ($uniq) {	2275	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2278	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2280	}
1683	}	2281	}
1684		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1685	sub swap_out {	2291	sub swap_out {
1686	my ($self) = @_;	2292	my ($self) = @_;
1687		2293
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1693	return if $self->players;	2298	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		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
1697	$self->clear;	2309	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2310	}
1700		2311
1701	sub reset_at {	2312	sub reset_at {
1702	my ($self) = @_;	2313	my ($self) = @_;
1703		2314
1704	# TODO: safety, remove and allow resettable per-player maps	2315	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2316	return 1e99 if $self->{deny_reset};
1707		2317
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2318	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2319	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2320
…		…
1721	my ($self) = @_;	2331	my ($self) = @_;
1722		2332
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2334
1725	return if $self->players;	2335	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2336
1728	warn "resetting map ", $self->path;#d#	2337	cf::trace "resetting map ", $self->path, "\n";
1729		2338
1730	$self->in_memory (cf::MAP_SWAPPED);	2339	$self->in_memory (cf::MAP_SWAPPED);
1731		2340
1732	# need to save uniques path	2341	# need to save uniques path
1733	unless ($self->{deny_save}) {	2342	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2346	if $uniq;
1738	}	2347	}
1739		2348
1740	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1741		2350
		2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2353	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2354
1746	$self->unlink_save;	2355	$self->unlink_save;
1747	$self->destroy;	2356	$self->destroy;
1748	}	2357	}
1749		2358
1750	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1751		2360
1752	sub nuke {	2361	sub nuke {
1753	my ($self) = @_;	2362	my ($self) = @_;
1754		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1755	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1756		2368
1757	$self->unlink_save;	2369	$self->unlink_save;
1758		2370
1759	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2376
1765	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1766		2379
1767	$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	]
1768	}	2417	}
1769		2418
1770	=item cf::map::unique_maps	2419	=item cf::map::unique_maps
1771		2420
1772	Returns an arrayref of paths of all shared maps that have	2421	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2422	instantiated unique items. May block.
1774		2423
1775	=cut	2424	=cut
1776		2425
1777	sub unique_maps() {	2426	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2427	[
1779	or return;	2428	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2429	utf8::decode $_;
1785	next if /\.pst$/;	2430	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2432	? ()
1788	push @paths, cf::map::normalise $_;	2433	: normalise $_
		2434	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2435	]
1790
1791	\@paths
1792	}	2436	}
1793		2437
1794	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	}
1795		2469
1796	=back	2470	=back
1797		2471
1798	=head3 cf::object	2472	=head3 cf::object
1799		2473
…		…
1803		2477
1804	=over 4	2478	=over 4
1805		2479
1806	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1807		2481
1808	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.
1809		2484
1810	=cut	2485	=cut
1811		2486
1812	sub inv_recursive_;	2487	sub inv_recursive_;
1813	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1816		2491
1817	sub inv_recursive {	2492	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1819	}	2494	}
1820		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
1821	package cf;	2524	package cf;
1822		2525
1823	=back	2526	=back
1824		2527
1825	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1831	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>
1832	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
1833	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1834		2537
1835	=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	};
1836		2553
1837	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2555	# with dialog boxes.
1839	#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
1840	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1842		2559
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2561
1845	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1850	}	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 (@_);
1851	}	2587	}
1852		2588
1853	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1854		2590
1855	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1868		2604
1869	=item $player_object->enter_link	2605	=item $player_object->enter_link
1870		2606
1871	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}>).
1872		2608
1873	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.
1874	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.
1875		2613
1876	Will never block.	2614	Will never block.
1877		2615
1878	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1879		2617
…		…
1899	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2638	my ($self) = @_;
1901		2639
1902	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
1903		2641
		2642	++$self->{_link_recursion};
		2643
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2645
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2647	if $self->map && $self->map->{path} ne "{link}";
1908		2648
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2650	}
1911		2651
1912	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
1914		2654
…		…
1931	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
1933		2673
1934	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
1937		2677
1938	$map->load;	2678	$map->load;
1939	$map->load_diag;	2679	$map->load_neighbours;
1940		2680
1941	return unless $self->contr->active;	2681	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2682
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2684	if ($self->enter_map ($map, $x, $y)) {
1946	}	2685	# entering was successful
		2686	delete $self->{_link_recursion};
		2687	# only activate afterwards, to support waiting in hooks
		2688	$self->activate_recursive;
		2689	}
1947		2690
		2691	}
		2692
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2694
1950	Moves the player to the given map-path and coordinates by first freezing	2695	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2696	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2697	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	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 >>.
1954		2703
1955	=cut	2704	=cut
1956		2705
1957	our $GOTOGEN;	2706	our $GOTOGEN;
1958		2707
1959	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2709	my ($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	}
1961		2716
1962	# do generation counting so two concurrent goto's will be executed in-order	2717	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2719
1965	$self->enter_link;	2720	$self->enter_link;
1966		2721
1967	(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
1968	my $map = eval {	2744	my $map = eval {
1969	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
1970		2746
1971	if ($map) {	2747	if ($map) {
1972	$map = $map->customise_for ($self);	2748	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2749	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2750	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2752	}
1977		2753
1978	$map	2754	$map
1979	};	2755	};
1980		2756
…		…
1985		2761
1986	if ($gen == $self->{_goto_generation}) {	2762	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2763	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
1989	}	2765	}
		2766
		2767	$done->($self) if $done;
1990	})->prio (1);	2768	})->prio (1);
1991	}	2769	}
1992		2770
1993	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
1994		2772
…		…
2014	}	2792	}
2015		2793
2016	sub prepare_random_map {	2794	sub prepare_random_map {
2017	my ($exit) = @_;	2795	my ($exit) = @_;
2018		2796
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2799	# that depends on the exit object
2024		2800
2025	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2803	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
2032	}	2810	}
2033		2811
2034	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
2035		2813
2036	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
2039		2817
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2820	undef $fh;
2043	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
2044		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
2047	}	2829	}
2048	}	2830	}
2049		2831
2050	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
2052		2834
2053	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
2054		2836
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2837	$self->enter_link;
2067		2838
2068	(async {	2839	(async {
2069	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
2070	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
2071	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
2072		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
2073	1;	2863	1
2074	}) {	2864	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "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. "
2077	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2869
2080	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	2871	$self->leave_link;
2082	}	2872	}
2083	})->prio (1);	2873	})->prio (1);
2084	}	2874	}
2085		2875
…		…
2099		2889
2100	utf8::encode $text;	2890	utf8::encode $text;
2101	$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);
2102	}	2892	}
2103		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
2104	=item $client->ext_event ($type, %msg)	3081	=item $client->ext_msg ($type, @msg)
2105		3082
2106	Sends an exti event to the client.	3083	Sends an ext event to the client.
2107		3084
2108	=cut	3085	=cut
2109		3086
2110	sub cf::client::ext_event($$%) {	3087	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3088	my ($self, $type, @msg) = @_;
2112		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3093	push @msg, msgtype => "event_$type";
2114	$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	}
2115	}	3114	}
2116		3115
2117	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
2118		3117
2119	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3119	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3120	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		3121
2123	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
2124	reliable at some point in the future.	3123	become reliable at some point in the future.
2125		3124
2126	=cut	3125	=cut
2127		3126
2128	sub cf::client::query {	3127	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3136	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3138
2140	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
2142	}	3143	}
2143		3144
2144	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	},
2145	on_reply => sub {	3151	on_reply => sub {
2146	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
2147		3153
2148	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2149	# get handled first	3155	# get handled first
…		…
2161	} else {	3167	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3169	}
2164	}	3170	}
2165	},	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	},
2166	);	3198	);
2167		3199
2168	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2169		3201
2170	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3218
2187	$coro	3219	$coro
2188	}	3220	}
2189		3221
2190	cf::client->attach (	3222	cf::client->attach (
2191	on_destroy => sub {	3223	on_client_destroy => sub {
2192	my ($ns) = @_;	3224	my ($ns) = @_;
2193		3225
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3227	},
2196	);	3228	);
…		…
2211	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2213		3245
2214	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2215		3247
2216	$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	));
2217		3253
2218	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2219		3255
2220	=pod	3256	=pod
2221		3257
2222	The following functions and methods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2223		3259
2224	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
2225	cf::object::player player	3265	cf::object::player
2226	cf::player peaceful	3266	player
2227	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2228		3273
2229	=cut	3274	=cut
2230		3275
2231	for (	3276	for (
2232	["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)],
2233	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2236	) {	3283	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3286	for @funs;
2241	}	3287	}
2242		3288
…		…
2257		3303
2258	my $qcode = $code;	3304	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2261		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2262	local $_;	3311	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3312
2265	my $eval =	3313	my $eval =
2266	"do {\n"	3314	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3317	. $code
2270	. "\n}"	3318	. "\n}"
2271	;	3319	;
2272		3320
		3321	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	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	}
2276		3330
2277	if ($@) {	3331	if ($@) {
2278	warn "$@";	3332	warn "$@",
2279	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2281	}	3335	}
2282		3336
2283	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2284	}	3338	}
2285		3339
…		…
2299	=cut	3353	=cut
2300		3354
2301	sub register_script_function {	3355	sub register_script_function {
2302	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2303		3357
2304	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2306	}	3360	}
2307		3361
2308	=back	3362	=back
2309		3363
2310	=cut	3364	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3365
2484	#############################################################################	3366	#############################################################################
2485	# the server's init and main functions	3367	# the server's init and main functions
2486		3368
2487	sub load_facedata($) {	3369	sub load_facedata($) {
2488	my ($path) = @_;	3370	my ($path) = @_;
2489		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
2490	warn "loading facedata from $path\n";	3378	trace "loading facedata from $path\n";
2491		3379
2492	my $facedata;
2493	0 < aio_load $path, $facedata	3380	0 < aio_load $path, my $facedata
2494	or die "$path: $!";	3381	or die "$path: $!";
2495		3382
2496	$facedata = Coro::Storable::thaw $facedata;	3383	$facedata = Coro::Storable::thaw $facedata;
2497		3384
2498	$facedata->{version} == 2	3385	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		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
2501	{	3397	{
2502	my $faces = $facedata->{faceinfo};	3398	my $faces = $facedata->{faceinfo};
2503		3399
2504	while (my ($face, $info) = each %$faces) {	3400	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3402
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3403	cf::face::set_visibility $idx, $info->{visibility};
		3404	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3407
		3408	cf::cede_to_tick;
2510	}	3409	}
2511		3410
2512	while (my ($face, $info) = each %$faces) {	3411	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3412	next unless $info->{smooth};
		3413
2514	my $idx = cf::face::find $face	3414	my $idx = cf::face::find $face
2515	or next;	3415	or next;
		3416
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3420	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3421	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3422	}
2521	Coro::cede;	3423
		3424	cf::cede_to_tick;
2522	}	3425	}
2523	}	3426	}
2524		3427
2525	{	3428	{
2526	my $anims = $facedata->{animinfo};	3429	my $anims = $facedata->{animinfo};
2527		3430
2528	while (my ($anim, $info) = each %$anims) {	3431	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3433	cf::cede_to_tick;
2531	}	3434	}
2532		3435
2533	cf::anim::invalidate_all; # d'oh	3436	cf::anim::invalidate_all; # d'oh
2534	}	3437	}
2535		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} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3457
2536	1	3458	1
2537	}	3459	}
2538		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($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	$status
		3477	}
		3478
2539	sub reload_regions {	3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
2540	load_resource_file "$MAPDIR/regions"	3484	load_resource_file "$MAPDIR/regions"
2541	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 $_->{match};
		3490	}
2542	}	3491	}
2543		3492
2544	sub reload_facedata {	3493	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3494	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3495	or die "unable to load facedata\n";
…		…
2554	sub reload_treasures {	3503	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3504	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3505	or die "unable to load treasurelists\n";
2557	}	3506	}
2558		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 => $face;
		3528	}
		3529	}
		3530
2559	sub reload_resources {	3531	sub reload_resources {
2560	warn "reloading resource files...\n";	3532	trace "reloading resource files...\n";
2561		3533
		3534	reload_exp_table;
		3535	reload_materials;
		3536	reload_facedata;
		3537	reload_sound;
		3538	reload_archetypes;
2562	reload_regions;	3539	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3540	reload_treasures;
2566		3541
2567	warn "finished reloading resource files\n";	3542	trace "finished reloading resource files\n";
2568	}	3543	}
2569		3544
2570	sub init {	3545	sub reload_config {
2571	reload_resources;	3546	trace "reloading config file...\n";
2572	}
2573		3547
2574	sub cfg_load {	3548	0 < aio_load "$CONFDIR/config", my $config
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3549	or die "$CONFDIR/config: $!";
2576	or return;
2577		3550
2578	local $/;	3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2579	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2580		3555
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3557
2583	$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};
2584	$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};
2585		3560
2586	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2590	};	3565	};
2591	warn $@ if $@;	3566	warn $@ if $@;
2592	}	3567	}
2593	}	3568	}
2594		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
2595	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
2596	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2598	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#
2599	(async {	3611	(async {
2600	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2602	};	3615	};
2603		3616
2604	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;
2605	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
2606	load_extensions;	3640	load_extensions;
2607		3641
2608	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2609	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;
2610	}	3660	}
2611		3661
2612	#############################################################################	3662	#############################################################################
2613	# initialisation and cleanup	3663	# initialisation and cleanup
2614		3664
2615	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2616	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2625	},
2626	);	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
2627	}	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 };
2628	}	3761	}
2629		3762
2630	sub emergency_save() {	3763	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2632		3765
2633	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;
2634		3772
2635	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2636	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3784	$pl->save;
2644	}	3785	}
2645	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2646		3787
2647	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";
2648	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3793	$map->valid or next;
2651	$map->save;	3794	$map->save;
2652	}	3795	}
2653	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2654		3797
2655	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";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2657	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 $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2658	};	3826	};
2659		3827
2660	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2661	}	3829	}
2662		3830
2663	sub post_cleanup {	3831	sub post_cleanup {
2664	my ($make_core) = @_;	3832	my ($make_core) = @_;
2665		3833
		3834	IO::AIO::flush;
		3835
2666	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2667	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	}
2668	}	3866	}
2669		3867
2670	sub do_reload_perl() {	3868	sub do_reload_perl() {
2671	# can/must only be called in main	3869	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2673	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2674	return;	3872	return;
2675	}	3873	}
2676		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2677	warn "reloading...";	3881	info "reloading...";
2678		3882
2679	warn "entering sync_job";	3883	trace "entering sync_job";
2680		3884
2681	cf::sync_job {	3885	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark
2683	cf::emergency_save;	3886	#cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark
2685		3887
2686	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;
2688
2689	# if anything goes wrong in here, we should simply crash as we already saved
2690
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();	3890	%EXT_CORO = ();
2710		3891
2711	warn "removing commands";	3892	trace "removing commands";
2712	%COMMAND = ();	3893	%COMMAND = ();
2713		3894
2714	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2715	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2716		3898
2717	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2720		3902
2721	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2722	eval {	3904	eval {
2723	$cb->($pkg);	3905	$cb->($pkg);
2724	1	3906	1
2725	} 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;
2726	}	3912	}
2727		3913
2728	warn "... nuking $pkg";
2729	Symbol::delete_package $pkg;
2730	}
2731
2732	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2733	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3917
2736	warn "... unloading $k";	3918	trace "... unloading $k";
2737	delete $INC{$k};	3919	delete $INC{$k};
2738		3920
2739	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2741		3923
2742	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2743	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2744	}	3929	}
2745		3930
2746	Symbol::delete_package $k;
2747	}
2748
2749	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2751	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);
2752		3934
2753	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		3938
2757	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2758	# and global variables created in xs	3940	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2760		3942
2761	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2762		3944
2763	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2764	require cf;	3946	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2766		3948
2767	warn "loading config and database again";	3949	trace "loading config and database again";
2768	cf::cfg_load;	3950	cf::reload_config;
2769		3951
2770	warn "loading extensions";	3952	trace "loading extensions";
2771	cf::load_extensions;	3953	cf::load_extensions;
2772		3954
		3955	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2776	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2779		3963
		3964	trace "running post_init jobs";
		3965	(pop @POST_INIT)->(1) while @POST_INIT;
		3966
2780	warn "leaving sync_job";	3967	trace "leaving sync_job";
2781		3968
2782	1	3969	1
2783	} or do {	3970	} or do {
2784	warn $@;	3971	error $@;
2785	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2786	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
2787	};	3977	}
2788		3978
2789	warn "reloaded";	3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
2790	};	3981	};
2791		3982
2792	our $RELOAD_WATCHER; # used only during reload	3983	our $RELOAD_WATCHER; # used only during reload
2793		3984
2794	sub reload_perl() {	3985	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	3986	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	3987	# coro crashes during coro_state_free->destroy here.
2797		3988
2798	$RELOAD_WATCHER ||= Event->timer (	3989	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	3990	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	3991
2801	data => WF_AUTOCANCEL,	3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	3993	do_reload_perl;
2804	undef $RELOAD_WATCHER;	3994	undef $RELOAD_WATCHER;
2805	},	3995	};
2806	);	3996	};
2807	}	3997	}
2808		3998
2809	register_command "reload" => sub {	3999	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2811		4001
2812	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
		4004	async {
		4005	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	4006	reload_perl;
		4007	};
2815	}	4008	}
2816	};	4009	};
2817		4010
2818	unshift @INC, $LIBDIR;	4011	#############################################################################
2819		4012
2820	my $bug_warning = 0;	4013	my $bug_warning = 0;
2821		4014
2822	our @WAIT_FOR_TICK;	4015	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	4016	our @WAIT_FOR_TICK_BEGIN;
2824		4017
2825	sub wait_for_tick {	4018	sub wait_for_tick() {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2828		4020
2829	my $signal = new Coro::Signal;	4021	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	4022	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	4023	$signal->wait;
2832	}	4024	}
2833		4025
2834	sub wait_for_tick_begin {	4026	sub wait_for_tick_begin() {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2837		4028
2838	my $signal = new Coro::Signal;	4029	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4030	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4031	$signal->wait;
2841	}	4032	}
2842		4033
2843	my $min = 1e6;#d#	4034	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2853	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"
2854	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2855	return;	4038	return;
2856	}	4039	}
2857		4040
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2861		4042
2862	0 && sync_job {#d#	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2863	for(1..10) {
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867		4044
2868	$map->width (50);	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2869	$map->height (50);	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2870	$map->alloc;	4047	Coro::async_pool {
2871	$map->_load_objects ("/tmp/x.map", 1);	4048	$Coro::current->{desc} = "runtime saver";
2872	my $t = Event::time - $t;	4049	write_runtime_sync
2873		4050	or error "ERROR: unable to write runtime file: $!";
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4051	};
		4052	}
2884		4053
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4055	$sig->send;
2901	}	4056	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4057	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	4058	$sig->send;
2904	}	4059	}
2905		4060
2906	$NOW = Event::time;	4061	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4063
2917	_post_tick;	4064	if (0) {
2918		4065	if ($NEXT_TICK) {
2919		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
2920	},	4070	}
2921	);	4071	}
2922		4072
2923	{	4073	{
2924	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4075
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
2934		4077	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4079
2950	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
2951	$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);
2952		4087
2953	cf::sync_job {	4088	cf::sync_job {
2954	eval {	4089	eval {
2955	BDB::db_env_open	4090	BDB::db_env_open
2956	$DB_ENV,	4091	$DB_ENV,
…		…
2958	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
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4095	0666;
2961		4096
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4098	};
2967		4099
2968	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4101	};
2970	}	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	};
2971	}	4113	}
2972		4114
2973	{	4115	{
		4116	# configure IO::AIO
		4117
2974	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4121	}
2987		4122
2988	my $_log_backtrace;	4123	my $_log_backtrace;
2989		4124
2990	sub _log_backtrace {	4125	sub _log_backtrace {
…		…
2993	$msg =~ s/\n//;	4128	$msg =~ s/\n//;
2994		4129
2995	# limit the # of concurrent backtraces	4130	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4131	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
2998	async {	4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
2999	my @bt = fork_call {	4137	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4138	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4141	or die "addr2line: $!";
…		…
3011	}	4149	}
3012		4150
3013	@funcs	4151	@funcs
3014	};	4152	};
3015		4153
3016	LOG llevInfo, "[ABT] $msg\n";	4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4156	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4157	--$_log_backtrace;
3019	};	4158	};
3020	} else {	4159	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4160	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4161	LOG llevInfo, "[ABT] [suppressed]\n";
3023	}	4162	}
3024	}	4163	}
3025		4164
3026	# load additional modules	4165	# load additional modules
3027	use cf::pod;	4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
3028		4168
3029	END { cf::emergency_save }	4169	END { cf::emergency_save }
3030		4170
3031	1	4171	1
3032		4172

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