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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 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	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	595	=cut
401	utime undef, undef, $fh;	596
		597	sub post_fork {
		598	reset_signals;
		599	}
		600
		601	sub fork_call(&@) {
		602	my ($cb, @args) = @_;
		603
		604	# we seemingly have to make a local copy of the whole thing,
		605	# otherwise perl prematurely frees the stuff :/
		606	# TODO: investigate and fix (likely this will be rather laborious)
		607
		608	my @res = Coro::Util::fork_eval {
		609	cf::post_fork;
		610	&$cb
		611	}, @args;
		612
		613	wantarray ? @res : $res[-1]
		614	}
		615
		616	sub objinfo {
		617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
		652	}
		653
		654	=item $value = cf::db_get $family => $key
		655
		656	Returns a single value from the environment database.
		657
		658	=item cf::db_put $family => $key => $value
		659
		660	Stores the given C<$value> in the family. It can currently store binary
		661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
		668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
402	}	684	};
		685	cf::cleanup "db_open(db): $@" if $@;
403		686
404	my $guard = cf::lock_acquire "write_runtime";	687	$db
		688	}
405		689
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	our $DB;
407	or return;
408		691
409	my $value = $cf::RUNTIME + 90 + 10;	692	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	693	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	694	}
412		695
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub db_get($$) {
414	and return;	697	my $key = "$_[0]/$_[1]";
415		698
416	# always fsync - this file is important	699	cf::error "db_get called from main context"
417	aio_fsync $fh	700	if $Coro::current == $Coro::main;
418	and return;
419		701
420	# touch it again to show we are up-to-date	702	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		703
423	close $fh	704	$! ? ()
424	or return;	705	: $data
		706	}
425		707
426	aio_rename "$runtime~", $runtime	708	sub db_put($$$) {
427	and return;	709	BDB::dbreq_pri 4;
		710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		711	}
428		712
429	warn "runtime file written.\n";#d#	713	=item cf::cache $id => [$paths...], $processversion => $process
430		714
		715	Generic caching function that returns the value of the resource $id,
		716	caching and regenerating as required.
		717
		718	This function can block.
		719
		720	=cut
		721
		722	sub cache {
		723	my ($id, $src, $processversion, $process) = @_;
		724
		725	my $meta =
		726	join "\x00",
		727	$processversion,
		728	map {
		729	aio_stat $_
		730	and Carp::croak "$_: $!";
		731
		732	($_, (stat _)[7,9])
		733	} @$src;
		734
		735	my $dbmeta = db_get cache => "$id/meta";
		736	if ($dbmeta ne $meta) {
		737	# changed, we may need to process
		738
		739	my @data;
		740	my $md5;
		741
		742	for (0 .. $#$src) {
		743	0 <= aio_load $src->[$_], $data[$_]
		744	or Carp::croak "$src->[$_]: $!";
		745	}
		746
		747	# if processing is expensive, check
		748	# checksum first
		749	if (1) {
		750	$md5 =
		751	join "\x00",
		752	$processversion,
		753	map {
		754	cf::cede_to_tick;
		755	($src->[$_], Digest::MD5::md5_hex $data[$_])
		756	} 0.. $#$src;
		757
		758
		759	my $dbmd5 = db_get cache => "$id/md5";
		760	if ($dbmd5 eq $md5) {
		761	db_put cache => "$id/meta", $meta;
		762
		763	return db_get cache => "$id/data";
		764	}
		765	}
		766
		767	my $t1 = Time::HiRes::time;
		768	my $data = $process->(\@data);
		769	my $t2 = Time::HiRes::time;
		770
		771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		772
		773	db_put cache => "$id/data", $data;
		774	db_put cache => "$id/md5" , $md5;
		775	db_put cache => "$id/meta", $meta;
		776
		777	return $data;
431	1	778	}
		779
		780	db_get cache => "$id/data"
432	}	781	}
433		782
434	=item cf::datalog type => key => value, ...	783	=item cf::datalog type => key => value, ...
435		784
436	Log a datalog packet of the given type with the given key-value pairs.	785	Log a datalog packet of the given type with the given key-value pairs.
437		786
438	=cut	787	=cut
439		788
440	sub datalog($@) {	789	sub datalog($@) {
441	my ($type, %kv) = @_;	790	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	792	}
444		793
445	=back	794	=back
446		795
447	=cut	796	=cut
448		797
449	#############################################################################	798	#############################################################################
450		799
451	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
452		801
453	Many objects in crossfire are so-called attachable objects. That means you can	802	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
456		805
457	In the following description, CLASS can be any of C<global>, C<object>	806	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	808	Deliantra).
460		809
461	=over 4	810	=over 4
462		811
463	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
464		813
…		…
508	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
509		858
510	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
512		861
513	Some classes such as crossfire maps and objects can specify attachments	862	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	863	that are attached at load/instantiate time, thus the need for a name.
515		864
516	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
517		866
518	=over 4	867	=over 4
…		…
642		991
643	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		994
646	} elsif (ref $type) {	995	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
648		997
649	} else {	998	} else {
650	shift @arg;	999	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
652	}	1001	}
653	}	1002	}
654	}	1003	}
655		1004
656	sub _object_attach {	1005	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
667	}	1016	}
668		1017
669	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
670	} else {	1019	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1021	}
673		1022
674	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
675	}	1024	}
676		1025
…		…
716	";	1065	";
717	die if $@;	1066	die if $@;
718	}	1067	}
719		1068
720	our $override;	1069	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1071
723	sub override {	1072	sub override {
724	$override = 1;	1073	$override = 1;
725	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
726	}	1075	}
727		1076
728	sub do_invoke {	1077	sub do_invoke {
729	my $event = shift;	1078	my $event = shift;
730	my $callbacks = shift;	1079	my $callbacks = shift;
731		1080
732	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
733		1082
734	local $override;	1083	local $override;
735		1084
736	for (@$callbacks) {	1085	for (@$callbacks) {
737	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
738		1087
739	if ($@) {	1088	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1090	override;
743	}	1091	}
744		1092
745	return 1 if $override;	1093	return 1 if $override;
746	}	1094	}
747		1095
748	0	1096	0
749	}	1097	}
750		1098
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1100
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1102
755	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
756		1104
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1106	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1108
761	=back	1109	=back
762		1110
763	=cut	1111	=cut
764		1112
765	#############################################################################	1113	#############################################################################
766	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
767		1157
768	sub reattach {	1158	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1160	my ($obj) = @_;
771		1161
		1162	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1164
774	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
775		1166
776	@$registry = ();	1167	@$registry = ();
777		1168
…		…
782	for (@$attach) {	1173	for (@$attach) {
783	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
785	}	1176	}
786	} else {	1177	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1179	}
789	}	1180	}
790	}	1181	}
791		1182
792	cf::attachable->attach (	1183	cf::attachable->attach (
793	prio => -1000000,	1184	prio => -1000000,
794	on_instantiate => sub {	1185	on_instantiate => sub {
795	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
796		1187
797	$data = from_json $data;	1188	$data = decode_json $data;
798		1189
799	for (@$data) {	1190	for (@$data) {
800	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
801		1192
802	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1209	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
820		1211
821	sync_job {	1212	sync_job {
822	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
825		1218
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
830	close $fh;	1226	aio_close $fh;
831		1227
832	if (@$objs) {	1228	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1233	if ($cf::USE_FSYNC) {
		1234	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;
		1235	aio_fsync $fh;
		1236	}
838	close $fh;	1237	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
840	}	1239	}
841	} else {	1240	} else {
842	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
843	}	1242	}
844		1243
845	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1248	} else {
847	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
848	}	1250	}
849	} else {	1251	} else {
850	aio_unlink $filename;	1252	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
852	}	1254	}
853	}	1255	};
854	}	1256	}
855		1257
856	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
858		1260
…		…
870	or return;	1272	or return;
871		1273
872	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
874	or return;	1276	or return;
		1277
875	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
876	}	1280	}
877		1281
		1282	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
880	return ($data, $av);	1287	($data, $av)
881	}	1288	}
		1289
		1290	=head2 COMMAND CALLBACKS
		1291
		1292	=over 4
		1293
		1294	=cut
882		1295
883	#############################################################################	1296	#############################################################################
884	# command handling &c	1297	# command handling &c
885		1298
886	=item cf::register_command $name => \&callback($ob,$args);	1299	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1313	}
901		1314
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1316
904	Register a callbackf ro execution when the client sends an extcmd packet.	1317	Register a callback for execution when the client sends an (synchronous)
		1318	extcmd packet. Ext commands will be processed in the order they are
		1319	received by the server, like other user commands. The first argument is
		1320	the logged-in player. Ext commands can only be processed after a player
		1321	has logged in successfully.
905		1322
906	If the callback returns something, it is sent back as if reply was being	1323	If the callback returns something, it is sent back as if reply was being
907	called.	1324	called.
908		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
909	=cut	1337	=cut
910		1338
911	sub register_extcmd {	1339	sub register_extcmd {
912	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
913		1341
914	$EXTCMD{$name} = $cb;	1342	$EXTCMD{$name} = $cb;
915	}	1343	}
916		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
		1352
917	cf::player->attach (	1353	cf::player->attach (
918	on_command => sub {	1354	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
920		1356
921	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
922	or return;	1358	or return;
923		1359
…		…
928	cf::override;	1364	cf::override;
929	},	1365	},
930	on_extcmd => sub {	1366	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
932		1368
933	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1370
935	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
941	} else {	1386	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1388	}
944		1389
945	cf::override;	1390	cf::override;
946	},	1391	},
947	);	1392	);
948		1393
		1394	# "readahead" all extensions
949	sub load_extension {	1395	sub cache_extensions {
950	my ($path) = @_;	1396	my $grp = IO::AIO::aio_group;
951		1397
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1399	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1400	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1401	}
977	die $@;
978	}	1402	};
979		1403
980	push @EXTS, $pkg;	1404	$grp
981	}	1405	}
982		1406
983	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
		1410	cf::sync_job {
		1411	my %todo;
		1412
984	for my $ext (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1414	next unless -r $path;
986	eval {	1415
987	load_extension $ext;	1416	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1417	my $base = $1;
		1418	my $pkg = $1;
		1419	$pkg =~ s/[^[:word:]]/_/g;
		1420	$pkg = "ext::$pkg";
		1421
		1422	open my $fh, "<:utf8", $path
		1423	or die "$path: $!";
		1424
		1425	my $source = do { local $/; <$fh> };
		1426
		1427	my %ext = (
		1428	path => $path,
		1429	base => $base,
		1430	pkg => $pkg,
		1431	);
		1432
		1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1435
		1436	$ext{source} =
		1437	"package $pkg; use common::sense;\n"
		1438	. "#line 1 \"$path\"\n{\n"
		1439	. $source
		1440	. "\n};\n1";
		1441
		1442	$todo{$base} = \%ext;
		1443	}
		1444
		1445	my $pass = 0;
		1446	my %done;
		1447	while (%todo) {
		1448	my $progress;
		1449
		1450	++$pass;
		1451
		1452	ext:
		1453	while (my ($k, $v) = each %todo) {
		1454	for (split /,\s*/, $v->{meta}{depends}) {
		1455	next ext
		1456	unless exists $done{$_};
		1457	}
		1458
		1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1460
		1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
		1464	error "$v->{path}: $@\n";
		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1467	if exists $v->{meta}{mandatory};
		1468
		1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1470	delete $todo{$k};
		1471	} else {
		1472	$done{$k} = delete $todo{$k};
		1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
		1478	}
988	1	1479	}
989	} or warn "$ext not loaded: $@";	1480
		1481	unless ($progress) {
		1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
		1489	}
990	}	1490	};
991	}	1491	}
992		1492
993	#############################################################################	1493	#############################################################################
994		1494
		1495	=back
		1496
995	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
996		1498
997	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
998		1500
999	=cut	1501	=cut
1000		1502
1001	package cf::player;	1503	package cf::player;
1002		1504
1003	use Coro::AIO;	1505	use Coro::AIO;
1004		1506
1005	=head3 cf::player	1507	=head3 cf::player
1006		1508
1007	=over 4	1509	=over 4
		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
1008		1524
1009	=item cf::player::find $login	1525	=item cf::player::find $login
1010		1526
1011	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
1012		1528
…		…
1031		1547
1032	sub exists($) {	1548	sub exists($) {
1033	my ($login) = @_;	1549	my ($login) = @_;
1034		1550
1035	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
1037	}	1553	}
1038		1554
1039	sub find($) {	1555	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1557	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1567	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1568
1053	my $pl = load_pl path $login	1569	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
1056	}	1578	}
1057	}	1579	}
1058	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
1059		1594
1060	sub save($) {	1595	sub save($) {
1061	my ($pl) = @_;	1596	my ($pl) = @_;
1062		1597
1063	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1069		1604
1070	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1072		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1073	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1074	Coro::cede;	1614	cf::cede_to_tick;
1075	}	1615	}
1076		1616
1077	sub new($) {	1617	sub new($) {
1078	my ($login) = @_;	1618	my ($login) = @_;
1079		1619
…		…
1085	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1086		1626
1087	$self	1627	$self
1088	}	1628	}
1089		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1090	=item $pl->quit_character	1640	=item $pl->quit_character
1091		1641
1092	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1094		1644
…		…
1098	my ($pl) = @_;	1648	my ($pl) = @_;
1099		1649
1100	my $name = $pl->ob->name;	1650	my $name = $pl->ob->name;
1101		1651
1102	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1654
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1109		1663
1110	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1701	or return [];
1148		1702
1149	my @logins;	1703	my @logins;
1150		1704
1151	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1155		1715
1156	utf8::decode $login;	1716	utf8::decode $login;
1157	push @logins, $login;	1717	push @logins, $login;
1158	}	1718	}
1159		1719
1160	\@logins	1720	\@logins
1161	}	1721	}
1162		1722
1163	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1164		1726
1165	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1166	player. May block.	1728	player. May block.
1167		1729
1168	=cut	1730	=cut
…		…
1186	}	1748	}
1187		1749
1188	\@paths	1750	\@paths
1189	}	1751	}
1190		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1191	=item $player->ext_reply ($msgid, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1192		1758
1193	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1194		1760
1195	=cut	1761	=cut
1196		1762
1197	sub ext_reply($$%) {	1763	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1199		1765
1200	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1767	}
1204		1768
1205	=item $player->ext_event ($type, %msg)	1769	=item $player->ext_msg ($type, @msg)
1206		1770
1207	Sends an ext event to the client.	1771	Sends an ext event to the client.
1208		1772
1209	=cut	1773	=cut
1210		1774
1211	sub ext_event($$%) {	1775	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1776	my ($self, $type, @msg) = @_;
1213		1777
1214	$self->ns->ext_event ($type, %msg);	1778	$self->ns->ext_msg ($type, @msg);
1215	}	1779	}
1216		1780
1217	=head3 cf::region	1781	=head3 cf::region
1218		1782
1219	=over 4	1783	=over 4
…		…
1222		1786
1223	package cf::region;	1787	package cf::region;
1224		1788
1225	=item cf::region::find_by_path $path	1789	=item cf::region::find_by_path $path
1226		1790
1227	Tries to decuce the probable region for a map knowing only its path.	1791	Tries to decuce the likely region for a map knowing only its path.
1228		1792
1229	=cut	1793	=cut
1230		1794
1231	sub find_by_path($) {	1795	sub find_by_path($) {
1232	my ($path) = @_;	1796	my ($path) = @_;
1233		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
1234	my ($match, $specificity);	1800	my ($match, $specificity);
1235		1801
1236	for my $region (list) {	1802	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1803	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1804	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1805	if $region->specificity > $specificity;
1240	}	1806	}
1241	}	1807	}
1242		1808
…		…
1263	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1265		1831
1266	sub generate_random_map {	1832	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1836
1268	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1838	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1291		1860
1292	sub register {	1861	sub register {
1293	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	1863	my $pkg = caller;
1295		1864
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		1866
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1868	}
1301		1869
1302	# also paths starting with '/'	1870	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1872
1305	sub thawer_merge {	1873	sub thawer_merge {
1306	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1307		1875
1308	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
1309	local $self->{path};	1877	local $self->{path};
1310	local $self->{load_path};	1878	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1879
1314	$self->SUPER::thawer_merge ($merge);	1880	$self->SUPER::thawer_merge ($merge);
1315	}	1881	}
1316		1882
1317	sub normalise {	1883	sub normalise {
1318	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1319		1885
1320	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1321		1887
1322	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1323		1889
1324	# map plan:	1890	# map plan:
1325	#	1891	#
…		…
1364	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1365	return $self;	1931	return $self;
1366	}	1932	}
1367	}	1933	}
1368		1934
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	1936	()
1371	}	1937	}
1372		1938
1373	sub init {	1939	sub init {
1374	my ($self) = @_;	1940	my ($self) = @_;
…		…
1396		1962
1397	# the temporary/swap location	1963	# the temporary/swap location
1398	sub save_path {	1964	sub save_path {
1399	my ($self) = @_;	1965	my ($self) = @_;
1400		1966
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1968	"$TMPDIR/$path.map"
1403	}	1969	}
1404		1970
1405	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1406	sub uniq_path {	1972	sub uniq_path {
1407	my ($self) = @_;	1973	my ($self) = @_;
1408		1974
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1976	"$UNIQUEDIR/$path"
1411	}	1977	}
1412		1978
1413	# and all this just because we cannot iterate over	1979	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1980	my ($self) = @_;
1417		1981
1418	$_->change_map_light ($change)	1982	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1983
		1984	$self->do_decay_objects;
1420	}	1985	}
1421		1986
1422	sub unlink_save {	1987	sub unlink_save {
1423	my ($self) = @_;	1988	my ($self) = @_;
1424		1989
…		…
1429		1994
1430	sub load_header_from($) {	1995	sub load_header_from($) {
1431	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1432		1997
1433	utf8::encode $path;	1998	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2000	or return;
		2001
		2002	$self->_load_header ($f)
		2003	or return;
		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
1439		2007
1440	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1441		2009
1442	1	2010	1
1443	}	2011	}
…		…
1482	$self->load_header_orig	2050	$self->load_header_orig
1483	or return;	2051	or return;
1484	$self->prepare_orig;	2052	$self->prepare_orig;
1485	}	2053	}
1486		2054
		2055	$self->{deny_reset} = 1
		2056	if $self->no_reset;
		2057
1487	$self->default_region (cf::region::find_by_path $self->{path})	2058	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2059	unless $self->default_region;
1489		2060
1490	1	2061	1
1491	}	2062	}
1492		2063
1493	sub find;	2064	sub find;
1494	sub find {	2065	sub find {
1495	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1496		2067
		2068	cf::cede_to_tick;
		2069
1497	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1498		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2074
1501	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1504	or return;	2077	or return;
1505		2078
1506	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1507		2080
1508	$map->load_header	2081	$map->load_header
1509	or return;	2082	or return;
1510		2083
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1514	$map->reset;	2089	$map->reset;
1515	undef $guard;
1516	return find $path;	2090	return find $path;
1517	}	2091	}
1518		2092
1519	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1520	}	2094	}
1521	}	2095	}
1522		2096
1523	sub pre_load { }	2097	sub pre_load { }
1524	sub post_load { }	2098	#sub post_load { } # XS
1525		2099
1526	sub load {	2100	sub load {
1527	my ($self) = @_;	2101	my ($self) = @_;
1528		2102
1529	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1530		2104
1531	my $path = $self->{path};	2105	my $path = $self->{path};
1532		2106
1533	{	2107	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1535		2109
		2110	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2112
1538	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1539		2114
1540	$self->alloc;	2115	$self->alloc;
1541		2116
1542	$self->pre_load;	2117	$self->pre_load;
1543	Coro::cede;	2118	cf::cede_to_tick;
1544		2119
		2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2122	$self->_load_objects ($f)
1546	or return;	2123	or return;
1547		2124
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1549	if delete $self->{load_original};	2126	if delete $self->{load_original};
1550		2127
1551	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2129	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2132	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1556	}	2136	}
1557	}	2137	}
1558		2138
1559	Coro::cede;	2139	$f->resolve_delayed_derefs;
		2140
		2141	cf::cede_to_tick;
1560	# now do the right thing for maps	2142	# now do the right thing for maps
1561	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2145	unless $self->difficulty;
1564	Coro::cede;	2146	cf::cede_to_tick;
1565		2147
1566	unless ($self->{deny_activate}) {	2148	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2149	$self->decay_objects;
1568	$self->fix_auto_apply;	2150	$self->fix_auto_apply;
1569	$self->update_buttons;	2151	$self->update_buttons;
1570	Coro::cede;	2152	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2153	$self->activate;
1574	}	2154	}
1575		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2159	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2160	}
1578		2161
1579	$self->post_load;	2162	$self->post_load;
1580	}	2163	}
1581		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2168	sub customise_for {
1583	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1584		2170
1585	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2172	if $self->per_player;
1587		2173
		2174	# return find "?party/" . $ob->name . "/" . $self->{path}
		2175	# if $self->per_party;
		2176
1588	$self	2177	$self
1589	}	2178	}
1590		2179
1591	# find and load all maps in the 3x3 area around a map	2180	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2181	sub load_neighbours {
1593	my ($map) = @_;	2182	my ($map) = @_;
1594		2183
1595	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1596		2185
1597	for (0 .. 3) {	2186	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1599	or next;	2188	or next;
1600	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1601	or next;	2190	or next;
1602	$neigh->load;	2191	$neigh->load;
1603		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2197	}
1607		2198
1608	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1610	or next;	2202	or next;
1611	$neigh->load;	2203	$neigh->load;
1612	}	2204	}
1613	}	2205	}
1614		2206
1615	sub find_sync {	2207	sub find_sync {
1616	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1617		2209
1618	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1619	}	2214	}
1620		2215
1621	sub do_load_sync {	2216	sub do_load_sync {
1622	my ($map) = @_;	2217	my ($map) = @_;
1623		2218
1624	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1625	}	2223	}
1626		2224
1627	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1629		2227
1630	sub find_async {	2228	sub find_async {
1631	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1632		2230
1633	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1634		2232
1635	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2235	}
1638		2236
1639	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1640	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1641	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2244	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2245	$map->load if $v;
		2246	}
1646		2247
1647	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1648	}	2249	}
1649	}	2250	}
1650	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1651	};	2252	};
1652	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1653		2254
1654	()	2255	()
1655	}	2256	}
1656		2257
		2258	# common code, used by both ->save and ->swapout
1657	sub save {	2259	sub _save {
1658	my ($self) = @_;	2260	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2261
1662	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1663		2263
1664	return unless $self->dirty;	2264	return unless $self->dirty;
1665		2265
…		…
1671	return if $self->{deny_save};	2271	return if $self->{deny_save};
1672		2272
1673	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1674		2274
1675	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1677	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1678		2281
1679	if ($uniq) {	2282	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2285	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2287	}
1685	}	2288	}
1686		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1687	sub swap_out {	2298	sub swap_out {
1688	my ($self) = @_;	2299	my ($self) = @_;
1689		2300
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1695	return if $self->players;	2305	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1699	$self->clear;	2316	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2317	}
1702		2318
1703	sub reset_at {	2319	sub reset_at {
1704	my ($self) = @_;	2320	my ($self) = @_;
1705		2321
1706	# TODO: safety, remove and allow resettable per-player maps	2322	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2323	return 1e99 if $self->{deny_reset};
1709		2324
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2325	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2326	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2327
…		…
1723	my ($self) = @_;	2338	my ($self) = @_;
1724		2339
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2341
1727	return if $self->players;	2342	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2343
1730	warn "resetting map ", $self->path;#d#	2344	cf::trace "resetting map ", $self->path, "\n";
1731		2345
1732	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
1733		2347
1734	# need to save uniques path	2348	# need to save uniques path
1735	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2353	if $uniq;
1740	}	2354	}
1741		2355
1742	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1743		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2360	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2361
1748	$self->unlink_save;	2362	$self->unlink_save;
1749	$self->destroy;	2363	$self->destroy;
1750	}	2364	}
1751		2365
1752	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1753		2367
1754	sub nuke {	2368	sub nuke {
1755	my ($self) = @_;	2369	my ($self) = @_;
1756		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
1757	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
1758		2375
1759	$self->unlink_save;	2376	$self->unlink_save;
1760		2377
1761	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2383
1767	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
1768		2386
1769	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
		2388	}
		2389
		2390	=item $maps = cf::map::tmp_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	maps. May block.
		2394
		2395	=cut
		2396
		2397	sub tmp_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise $_
		2403	: ()
		2404	} @{ aio_readdir $TMPDIR or [] }
		2405	]
		2406	}
		2407
		2408	=item $maps = cf::map::random_maps
		2409
		2410	Returns an arrayref with all map paths of currently instantiated and saved
		2411	random maps. May block.
		2412
		2413	=cut
		2414
		2415	sub random_maps() {
		2416	[
		2417	map {
		2418	utf8::decode $_;
		2419	/\.map$/
		2420	? normalise "?random/$_"
		2421	: ()
		2422	} @{ aio_readdir $RANDOMDIR or [] }
		2423	]
1770	}	2424	}
1771		2425
1772	=item cf::map::unique_maps	2426	=item cf::map::unique_maps
1773		2427
1774	Returns an arrayref of paths of all shared maps that have	2428	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2429	instantiated unique items. May block.
1776		2430
1777	=cut	2431	=cut
1778		2432
1779	sub unique_maps() {	2433	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2434	[
1781	or return;	2435	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2436	utf8::decode $_;
1787	next if /\.pst$/;	2437	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2439	? ()
1790	push @paths, cf::map::normalise $_;	2440	: normalise $_
		2441	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2442	]
1792
1793	\@paths
1794	}	2443	}
1795		2444
1796	package cf;	2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
		2474	\@maps
		2475	}
1797		2476
1798	=back	2477	=back
1799		2478
1800	=head3 cf::object	2479	=head3 cf::object
1801		2480
…		…
1805		2484
1806	=over 4	2485	=over 4
1807		2486
1808	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
1809		2488
1810	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
1811		2491
1812	=cut	2492	=cut
1813		2493
1814	sub inv_recursive_;	2494	sub inv_recursive_;
1815	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
1818		2498
1819	sub inv_recursive {	2499	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
1821	}	2501	}
1822		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
1823	package cf;	2531	package cf;
1824		2532
1825	=back	2533	=back
1826		2534
1827	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2542	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
1836		2544
1837	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
1838		2560
1839	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2562	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
1844		2566
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2568
1847	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
1849	} else {	2572	} else {
		2573	my $pl = $self->contr;
		2574
		2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2576	my $dialog = $pl->{npc_dialog};
		2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2578
		2579	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
1852	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
1853	}	2594	}
1854		2595
1855	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
1856		2597
1857	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
1870		2611
1871	=item $player_object->enter_link	2612	=item $player_object->enter_link
1872		2613
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2615
1875	The player should be reasonably safe there for short amounts of time. You	2616	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
1877		2620
1878	Will never block.	2621	Will never block.
1879		2622
1880	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
1881		2624
…		…
1901	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2645	my ($self) = @_;
1903		2646
1904	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
1905		2648
		2649	++$self->{_link_recursion};
		2650
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2652
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map && $self->map->{path} ne "{link}";	2654	if $self->map && $self->map->{path} ne "{link}";
1910		2655
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2657	}
1913		2658
1914	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
1916		2661
…		…
1933	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
1934	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
1935		2680
1936	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
1939		2684
1940	$map->load;	2685	$map->load;
1941	$map->load_diag;	2686	$map->load_neighbours;
1942		2687
1943	return unless $self->contr->active;	2688	return unless $self->contr->active;
1944	$self->activate_recursive;
1945		2689
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2691	if ($self->enter_map ($map, $x, $y)) {
1948	}	2692	# entering was successful
		2693	delete $self->{_link_recursion};
		2694	# only activate afterwards, to support waiting in hooks
		2695	$self->activate_recursive;
		2696	}
1949		2697
		2698	}
		2699
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1951		2701
1952	Moves the player to the given map-path and coordinates by first freezing	2702	Moves the player to the given map-path and coordinates by first freezing
1953	her, loading and preparing them map, calling the provided $check callback	2703	her, loading and preparing them map, calling the provided $check callback
1954	that has to return the map if sucecssful, and then unfreezes the player on	2704	that has to return the map if sucecssful, and then unfreezes the player on
1955	the new (success) or old (failed) map position.	2705	the new (success) or old (failed) map position. In either case, $done will
		2706	be called at the end of this process.
		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
1956		2710
1957	=cut	2711	=cut
1958		2712
1959	our $GOTOGEN;	2713	our $GOTOGEN;
1960		2714
1961	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
		2717
		2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
1963		2723
1964	# do generation counting so two concurrent goto's will be executed in-order	2724	# do generation counting so two concurrent goto's will be executed in-order
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2726
1967	$self->enter_link;	2727	$self->enter_link;
1968		2728
1969	(async {	2729	(async {
		2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
1970	my $map = eval {	2751	my $map = eval {
1971	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
1972		2753
1973	if ($map) {	2754	if ($map) {
1974	$map = $map->customise_for ($self);	2755	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2756	$map = $check->($map, $x, $y, $self) if $check && $map;
1976	} else {	2757	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2759	}
1979		2760
1980	$map	2761	$map
1981	};	2762	};
1982		2763
…		…
1987		2768
1988	if ($gen == $self->{_goto_generation}) {	2769	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2770	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
1991	}	2772	}
		2773
		2774	$done->($self) if $done;
1992	})->prio (1);	2775	})->prio (1);
1993	}	2776	}
1994		2777
1995	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
1996		2779
…		…
2016	}	2799	}
2017		2800
2018	sub prepare_random_map {	2801	sub prepare_random_map {
2019	my ($exit) = @_;	2802	my ($exit) = @_;
2020		2803
2021	my $guard = cf::lock_acquire "exit_prepare:$exit";
2022
2023	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
2024	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
2025	# that depends on the exit object	2806	# that depends on the exit object
2026		2807
2027	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
2029	if ($exit->map) {	2810	if ($exit->map) {
2030	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
2031	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
2032	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
2033	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
2034	}	2817	}
2035		2818
2036	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
2037		2820
2038	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2039	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
2040	my $meta = "$RANDOMDIR/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
2041		2824
2042	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2043	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
2044	undef $fh;	2827	undef $fh;
2045	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
2046		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
2047	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
2048	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
2049	}	2836	}
2050	}	2837	}
2051		2838
2052	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
2053	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
2054		2841
2055	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
2056		2843
2057	if ($exit->slaying eq "/!") {
2058	#TODO: this should de-fi-ni-te-ly not be a sync-job
2059	# the problem is that $exit might not survive long enough
2060	# so it needs to be done right now, right here
2061	cf::sync_job { prepare_random_map $exit };
2062	}
2063
2064	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2065	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;
2067
2068	$self->enter_link;	2844	$self->enter_link;
2069		2845
2070	(async {	2846	(async {
2071	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
2072	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
		2856	prepare_random_map $exit
		2857	if $exit->slaying eq "/!";
		2858	}
		2859
		2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
		2863
2073	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
2074		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
2075	1;	2870	1
2076	}) {	2871	}) {
2077	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
2078	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
2079	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
2080	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
2081		2876
2082	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
2083	$self->leave_link;	2878	$self->leave_link;
2084	}	2879	}
2085	})->prio (1);	2880	})->prio (1);
2086	}	2881	}
2087		2882
…		…
2101		2896
2102	utf8::encode $text;	2897	utf8::encode $text;
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2104	}	2899	}
2105		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
		2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2927
		2928	Send a drawinfo or msg packet to the client, formatting the msg for the
		2929	client if neccessary. C<$type> should be a string identifying the type of
		2930	the message, with C<log> being the default. If C<$color> is negative, suppress
		2931	the message unless the client supports the msg packet.
		2932
		2933	=cut
		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
		3049	sub cf::client::send_msg {
		3050	my ($self, $channel, $msg, $color, @extra) = @_;
		3051
		3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
		3069	}
		3070
		3071	$channel = $channel->{id};
		3072	}
		3073
		3074	return unless @extra || length $msg;
		3075
		3076	# default colour, mask it out
		3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3078	if $color & cf::NDI_DEF;
		3079
		3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
		3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3083	);
		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
2106	=item $client->ext_event ($type, %msg)	3088	=item $client->ext_msg ($type, @msg)
2107		3089
2108	Sends an exti event to the client.	3090	Sends an ext event to the client.
2109		3091
2110	=cut	3092	=cut
2111		3093
2112	sub cf::client::ext_event($$%) {	3094	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	3095	my ($self, $type, @msg) = @_;
2114		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	3100	push @msg, msgtype => "event_$type";
2116	$self->send_packet ("ext " . cf::to_json \%msg);	3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
2117	}	3121	}
2118		3122
2119	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
2120		3124
2121	Queues a query to the client, calling the given callback with	3125	Queues a query to the client, calling the given callback with
2122	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2123	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124		3128
2125	Queries can fail, so check the return code. Or don't, as queries will become	3129	Queries can fail, so check the return code. Or don't, as queries will
2126	reliable at some point in the future.	3130	become reliable at some point in the future.
2127		3131
2128	=cut	3132	=cut
2129		3133
2130	sub cf::client::query {	3134	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	3143	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		3145
2142	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
2144	}	3150	}
2145		3151
2146	cf::client->attach (	3152	cf::client->attach (
		3153	on_connect => sub {
		3154	my ($ns) = @_;
		3155
		3156	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3157	},
2147	on_reply => sub {	3158	on_reply => sub {
2148	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
2149		3160
2150	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
2151	# get handled first	3162	# get handled first
…		…
2163	} else {	3174	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	3176	}
2166	}	3177	}
2167	},	3178	},
		3179	on_exticmd => sub {
		3180	my ($ns, $buf) = @_;
		3181
		3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3183
		3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
		3192	if (my $cb = $EXTICMD{$type}) {
		3193	@reply = $cb->($ns, @payload);
		3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
		3199	} else {
		3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3201	}
		3202
		3203	cf::override;
		3204	},
2168	);	3205	);
2169		3206
2170	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
2171		3208
2172	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
2188		3225
2189	$coro	3226	$coro
2190	}	3227	}
2191		3228
2192	cf::client->attach (	3229	cf::client->attach (
2193	on_destroy => sub {	3230	on_client_destroy => sub {
2194	my ($ns) = @_;	3231	my ($ns) = @_;
2195		3232
2196	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2197	},	3234	},
2198	);	3235	);
…		…
2213	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2215		3252
2216	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2217		3254
2218	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2219		3260
2220	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2221		3262
2222	=pod	3263	=pod
2223		3264
2224	The following functions and methods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2225		3266
2226	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
2227	cf::object::player player	3272	cf::object::player
2228	cf::player peaceful	3273	player
2229	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2230		3280
2231	=cut	3281	=cut
2232		3282
2233	for (	3283	for (
2234	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2235	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2237	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2238	) {	3290	) {
2239	no strict 'refs';
2240	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2242	for @funs;	3293	for @funs;
2243	}	3294	}
2244		3295
…		…
2259		3310
2260	my $qcode = $code;	3311	my $qcode = $code;
2261	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2262	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2263		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2264	local $_;	3318	local $_;
2265	local @safe::cf::_safe_eval_args = values %vars;
2266		3319
2267	my $eval =	3320	my $eval =
2268	"do {\n"	3321	"do {\n"
2269	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2270	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2271	. $code	3324	. $code
2272	. "\n}"	3325	. "\n}"
2273	;	3326	;
2274		3327
		3328	if ($CFG{safe_eval}) {
2275	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2276	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2277	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2278		3337
2279	if ($@) {	3338	if ($@) {
2280	warn "$@";	3339	warn "$@",
2281	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2282	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2283	}	3342	}
2284		3343
2285	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2286	}	3345	}
2287		3346
…		…
2301	=cut	3360	=cut
2302		3361
2303	sub register_script_function {	3362	sub register_script_function {
2304	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2305		3364
2306	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2307	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2308	}	3367	}
2309		3368
2310	=back	3369	=back
2311		3370
2312	=cut	3371	=cut
2313
2314	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487		3372
2488	#############################################################################	3373	#############################################################################
2489	# the server's init and main functions	3374	# the server's init and main functions
2490		3375
2491	sub load_facedata($) {	3376	sub load_facedata($) {
2492	my ($path) = @_;	3377	my ($path) = @_;
2493		3378
		3379	# HACK to clear player env face cache, we need some signal framework
		3380	# for this (global event?)
		3381	%ext::player_env::MUSIC_FACE_CACHE = ();
		3382
		3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3384
2494	warn "loading facedata from $path\n";	3385	trace "loading facedata from $path\n";
2495		3386
2496	my $facedata;
2497	0 < aio_load $path, $facedata	3387	0 < aio_load $path, my $facedata
2498	or die "$path: $!";	3388	or die "$path: $!";
2499		3389
2500	$facedata = Coro::Storable::thaw $facedata;	3390	$facedata = Coro::Storable::thaw $facedata;
2501		3391
2502	$facedata->{version} == 2	3392	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		3394
		3395	# patch in the exptable
		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3397	$facedata->{resource}{"res/exp_table"} = {
		3398	type => FT_RSRC,
		3399	data => $exp_table,
		3400	hash => (Digest::MD5::md5 $exp_table),
		3401	};
		3402	cf::cede_to_tick;
		3403
2505	{	3404	{
2506	my $faces = $facedata->{faceinfo};	3405	my $faces = $facedata->{faceinfo};
2507		3406
2508	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3410	cf::face::set_visibility $idx, $info->{visibility};
		3411	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2513	Coro::cede;	3414
		3415	cf::cede_to_tick;
2514	}	3416	}
2515		3417
2516	while (my ($face, $info) = each %$faces) {	3418	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3419	next unless $info->{smooth};
		3420
2518	my $idx = cf::face::find $face	3421	my $idx = cf::face::find $face
2519	or next;	3422	or next;
		3423
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3427	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3428	error "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3429	}
2525	Coro::cede;	3430
		3431	cf::cede_to_tick;
2526	}	3432	}
2527	}	3433	}
2528		3434
2529	{	3435	{
2530	my $anims = $facedata->{animinfo};	3436	my $anims = $facedata->{animinfo};
2531		3437
2532	while (my ($anim, $info) = each %$anims) {	3438	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	3440	cf::cede_to_tick;
2535	}	3441	}
2536		3442
2537	cf::anim::invalidate_all; # d'oh	3443	cf::anim::invalidate_all; # d'oh
2538	}	3444	}
2539		3445
		3446	{
		3447	my $res = $facedata->{resource};
		3448
		3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
		3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3454	cf::face::set_type $idx, $info->{type};
		3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
2540	1	3465	1
2541	}	3466	}
2542		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
2543	sub reload_regions {	3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
2544	load_resource_file "$MAPDIR/regions"	3491	load_resource_file "$MAPDIR/regions"
2545	or die "unable to load regions file\n";	3492	or die "unable to load regions file\n";
		3493
		3494	for (cf::region::list) {
		3495	$_->{match} = qr/$_->{match}/
		3496	if exists $_->{match};
		3497	}
2546	}	3498	}
2547		3499
2548	sub reload_facedata {	3500	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3501	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	3502	or die "unable to load facedata\n";
…		…
2558	sub reload_treasures {	3510	sub reload_treasures {
2559	load_resource_file "$DATADIR/treasures"	3511	load_resource_file "$DATADIR/treasures"
2560	or die "unable to load treasurelists\n";	3512	or die "unable to load treasurelists\n";
2561	}	3513	}
2562		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
2563	sub reload_resources {	3538	sub reload_resources {
2564	warn "reloading resource files...\n";	3539	trace "reloading resource files...\n";
2565		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
2566	reload_regions;	3546	reload_regions;
2567	reload_facedata;
2568	reload_archetypes;
2569	reload_treasures;	3547	reload_treasures;
2570		3548
2571	warn "finished reloading resource files\n";	3549	trace "finished reloading resource files\n";
2572	}	3550	}
2573		3551
2574	sub init {	3552	sub reload_config {
2575	reload_resources;	3553	trace "reloading config file...\n";
2576	}
2577		3554
2578	sub cfg_load {	3555	0 < aio_load "$CONFDIR/config", my $config
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3556	or die "$CONFDIR/config: $!";
2580	or return;
2581		3557
2582	local $/;	3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2583	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2584		3562
2585	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2586		3564
2587	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2588	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2589		3567
2590	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2594	};	3572	};
2595	warn $@ if $@;	3573	warn $@ if $@;
2596	}	3574	}
2597	}	3575	}
2598		3576
		3577	sub pidfile() {
		3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
		3603	}
		3604
2599	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2600	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2602	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2603	(async {	3618	(async {
2604	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2605	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2606	};	3622	};
2607		3623
2608	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
		3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
2609	db_init;	3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2610	load_extensions;	3647	load_extensions;
2611		3648
2612	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2613	Event::loop;	3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2614	}	3667	}
2615		3668
2616	#############################################################################	3669	#############################################################################
2617	# initialisation and cleanup	3670	# initialisation and cleanup
2618		3671
2619	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2620	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2621	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2622	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2623	reentrant => 0,
2624	data => WF_AUTOCANCEL,
2625	signal => $signal,
2626	prio => 0,
2627	cb => sub {
2628	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2629	},
2630	);	3678	};
		3679	}
		3680	}
		3681
		3682	sub write_runtime_sync {
		3683	my $t0 = AE::time;
		3684
		3685	# first touch the runtime file to show we are still running:
		3686	# the fsync below can take a very very long time.
		3687
		3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3689
		3690	my $guard = cf::lock_acquire "write_runtime";
		3691
		3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3693	or return;
		3694
		3695	my $value = $cf::RUNTIME + 90 + 10;
		3696	# 10 is the runtime save interval, for a monotonic clock
		3697	# 60 allows for the watchdog to kill the server.
		3698
		3699	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3700	and return;
		3701
		3702	# always fsync - this file is important
		3703	aio_fsync $fh
		3704	and return;
		3705
		3706	# touch it again to show we are up-to-date
		3707	aio_utime $fh, undef, undef;
		3708
		3709	close $fh
		3710	or return;
		3711
		3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3713	and return;
		3714
		3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3716
2631	}	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
2632	}	3768	}
2633		3769
2634	sub emergency_save() {	3770	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2636		3772
2637	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
2638		3779
2639	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2640	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2641	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2642	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2643	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2644	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2645	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2646	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2647	$pl->save;	3791	$pl->save;
2648	}	3792	}
2649	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2650		3794
2651	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
2652	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2653	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2654	$map->valid or next;	3800	$map->valid or next;
2655	$map->save;	3801	$map->save;
2656	}	3802	}
2657	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
2658		3804
2659	warn "begin emergency database checkpoint\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
2661	warn "end emergency database checkpoint\n";	3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2662	};	3833	};
2663		3834
2664	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2665	}	3836	}
2666		3837
2667	sub post_cleanup {	3838	sub post_cleanup {
2668	my ($make_core) = @_;	3839	my ($make_core) = @_;
2669		3840
		3841	IO::AIO::flush;
		3842
2670	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
2671	if $make_core;	3844	if $make_core;
		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
2672	}	3873	}
2673		3874
2674	sub do_reload_perl() {	3875	sub do_reload_perl() {
2675	# can/must only be called in main	3876	# can/must only be called in main
2676	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2677	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2678	return;	3879	return;
2679	}	3880	}
2680		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2681	warn "reloading...";	3888	info "reloading...";
2682		3889
2683	warn "entering sync_job";	3890	trace "entering sync_job";
2684		3891
2685	cf::sync_job {	3892	cf::sync_job {
2686	cf::write_runtime; # external watchdog should not bark
2687	cf::emergency_save;	3893	#cf::emergency_save;
2688	cf::write_runtime; # external watchdog should not bark
2689		3894
2690	warn "syncing database to disk";
2691	BDB::db_env_txn_checkpoint $DB_ENV;
2692
2693	# if anything goes wrong in here, we should simply crash as we already saved
2694
2695	warn "cancelling all WF_AUTOCANCEL watchers";
2696	for (Event::all_watchers) {
2697	$_->cancel if $_->data & WF_AUTOCANCEL;
2698	}
2699
2700	warn "flushing outstanding aio requests";
2701	for (;;) {
2702	BDB::flush;
2703	IO::AIO::flush;
2704	Coro::cede;
2705	last unless IO::AIO::nreqs || BDB::nreqs;
2706	warn "iterate...";
2707	}
2708
2709	++$RELOAD;
2710
2711	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
2712	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2713	%EXT_CORO = ();	3897	%EXT_CORO = ();
2714		3898
2715	warn "removing commands";	3899	trace "removing commands";
2716	%COMMAND = ();	3900	%COMMAND = ();
2717		3901
2718	warn "removing ext commands";	3902	trace "removing ext/exti commands";
2719	%EXTCMD = ();	3903	%EXTCMD = ();
		3904	%EXTICMD = ();
2720		3905
2721	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
2724		3909
2725	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
2726	eval {	3911	eval {
2727	$cb->($pkg);	3912	$cb->($pkg);
2728	1	3913	1
2729	} or warn "$pkg unloaded, but with errors: $@";	3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
2730	}	3919	}
2731		3920
2732	warn "... nuking $pkg";
2733	Symbol::delete_package $pkg;
2734	}
2735
2736	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
2737	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
2738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2739		3924
2740	warn "... unloading $k";	3925	trace "... unloading $k";
2741	delete $INC{$k};	3926	delete $INC{$k};
2742		3927
2743	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
2744	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
2745		3930
2746	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
2747	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2748	}	3936	}
2749		3937
2750	Symbol::delete_package $k;
2751	}
2752
2753	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
2754	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2755	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2756		3941
2757	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
2758	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
2759	delete $INC{"cf/pod.pm"};	3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2760		3945
2761	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2762	# and global variables created in xs	3947	# and global variables created in xs
2763	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2764		3949
2765	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
2766		3951
2767	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2768	require cf;	3953	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2770		3955
2771	warn "loading config and database again";	3956	trace "loading config and database again";
2772	cf::cfg_load;	3957	cf::reload_config;
2773		3958
2774	warn "loading extensions";	3959	trace "loading extensions";
2775	cf::load_extensions;	3960	cf::load_extensions;
2776		3961
		3962	if ($REATTACH_ON_RELOAD) {
2777	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
2778	_global_reattach; # objects, sockets	3964	_global_reattach; # objects, sockets
2779	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
2780	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
2781	warn "reattaching attachments to players";	3967	trace "reattaching attachments to players";
2782	reattach $_ for values %PLAYER;	3968	reattach $_ for values %PLAYER;
		3969	}
2783		3970
		3971	trace "running post_init jobs";
		3972	(pop @POST_INIT)->(1) while @POST_INIT;
		3973
2784	warn "leaving sync_job";	3974	trace "leaving sync_job";
2785		3975
2786	1	3976	1
2787	} or do {	3977	} or do {
2788	warn $@;	3978	error $@;
2789	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
2790	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
2791	};	3984	}
2792		3985
2793	warn "reloaded";	3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
2794	};	3988	};
2795		3989
2796	our $RELOAD_WATCHER; # used only during reload	3990	our $RELOAD_WATCHER; # used only during reload
2797		3991
2798	sub reload_perl() {	3992	sub reload_perl() {
2799	# doing reload synchronously and two reloads happen back-to-back,	3993	# doing reload synchronously and two reloads happen back-to-back,
2800	# coro crashes during coro_state_free->destroy here.	3994	# coro crashes during coro_state_free->destroy here.
2801		3995
2802	$RELOAD_WATCHER ||= Event->timer (	3996	$RELOAD_WATCHER ||= cf::async {
2803	reentrant => 0,	3997	Coro::AIO::aio_wait cache_extensions;
2804	after => 0,	3998
2805	data => WF_AUTOCANCEL,	3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2806	cb => sub {
2807	do_reload_perl;	4000	do_reload_perl;
2808	undef $RELOAD_WATCHER;	4001	undef $RELOAD_WATCHER;
2809	},	4002	};
2810	);	4003	};
2811	}	4004	}
2812		4005
2813	register_command "reload" => sub {	4006	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2815		4008
2816	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
		4011	async {
		4012	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	4013	reload_perl;
		4014	};
2819	}	4015	}
2820	};	4016	};
2821		4017
2822	unshift @INC, $LIBDIR;	4018	#############################################################################
2823		4019
2824	my $bug_warning = 0;	4020	my $bug_warning = 0;
2825		4021
2826	our @WAIT_FOR_TICK;	4022	our @WAIT_FOR_TICK;
2827	our @WAIT_FOR_TICK_BEGIN;	4023	our @WAIT_FOR_TICK_BEGIN;
2828		4024
2829	sub wait_for_tick {	4025	sub wait_for_tick() {
2830	return unless $TICK_WATCHER->is_active;
2831	return if $Coro::current == $Coro::main;	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2832		4027
2833	my $signal = new Coro::Signal;	4028	my $signal = new Coro::Signal;
2834	push @WAIT_FOR_TICK, $signal;	4029	push @WAIT_FOR_TICK, $signal;
2835	$signal->wait;	4030	$signal->wait;
2836	}	4031	}
2837		4032
2838	sub wait_for_tick_begin {	4033	sub wait_for_tick_begin() {
2839	return unless $TICK_WATCHER->is_active;
2840	return if $Coro::current == $Coro::main;	4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2841		4035
2842	my $signal = new Coro::Signal;	4036	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	4037	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	4038	$signal->wait;
2845	}	4039	}
2846		4040
2847	my $min = 1e6;#d#	4041	sub tick {
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,
2851	parked => 1,
2852	prio => 0,
2853	at => $NEXT_TICK || $TICK,
2854	data => WF_AUTOCANCEL,
2855	cb => sub {
2856	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
2857	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2858	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
2859	return;	4045	return;
2860	}	4046	}
2861		4047
2862	$NOW = $tick_start = Event::time;
2863
2864	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2865		4049
2866	0 && sync_job {#d#	4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2867	for(1..10) {
2868	my $t = Event::time;
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2870	or die;
2871		4051
2872	$map->width (50);	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2873	$map->height (50);	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2874	$map->alloc;	4054	Coro::async_pool {
2875	$map->_load_objects ("/tmp/x.map", 1);	4055	$Coro::current->{desc} = "runtime saver";
2876	my $t = Event::time - $t;	4056	write_runtime_sync
2877		4057	or error "ERROR: unable to write runtime file: $!";
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};	4058	};
		4059	}
2888		4060
2889	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;
2891
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {
2895	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";
2897	};
2898	}
2899
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	4062	$sig->send;
2905	}	4063	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	4064	while (my $sig = shift @WAIT_FOR_TICK) {
2907	$sig->send;	4065	$sig->send;
2908	}	4066	}
2909		4067
2910	$NOW = Event::time;	4068	$LOAD = ($NOW - $TICK_START) / $TICK;
2911
2912	# if we are delayed by four ticks or more, skip them all
2913	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2914
2915	$TICK_WATCHER->at ($NEXT_TICK);
2916	$TICK_WATCHER->start;
2917
2918	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		4070
2921	_post_tick;	4071	if (0) {
2922		4072	if ($NEXT_TICK) {
2923		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
2924	},	4077	}
2925	);	4078	}
2926		4079
2927	{	4080	{
2928	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
2929	$BDB_POLL_WATCHER = Event->io (	4082
2930	reentrant => 0,
2931	fd => BDB::poll_fileno,
2932	poll => 'r',
2933	prio => 0,
2934	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,
2936	);
2937	BDB::min_parallel 8;	4083	BDB::min_parallel 16;
2938		4084	BDB::max_poll_reqs $TICK * 0.1;
2939	BDB::set_sync_prepare {	4085	$AnyEvent::BDB::WATCHER->priority (1);
2940	my $status;
2941	my $current = $Coro::current;
2942	(
2943	sub {
2944	$status = $!;
2945	$current->ready; undef $current;
2946	},
2947	sub {
2948	Coro::schedule while defined $current;
2949	$! = $status;
2950	},
2951	)
2952	};
2953		4086
2954	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
2955	$DB_ENV = BDB::db_env_create;	4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2956		4094
2957	cf::sync_job {	4095	cf::sync_job {
2958	eval {	4096	eval {
2959	BDB::db_env_open	4097	BDB::db_env_open
2960	$DB_ENV,	4098	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	4102	0666;
2965		4103
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	4105	};
2971		4106
2972	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	4108	};
2974	}	4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
2975	}	4120	}
2976		4121
2977	{	4122	{
		4123	# configure IO::AIO
		4124
2978	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
2979
2980	undef $Coro::AIO::WATCHER;
2981	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
2982	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
2983	reentrant => 0,
2984	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,
2986	poll => 'r',
2987	prio => 6,
2988	cb => \&IO::AIO::poll_cb,
2989	);
2990	}	4128	}
2991		4129
2992	my $_log_backtrace;	4130	my $_log_backtrace;
2993		4131
2994	sub _log_backtrace {	4132	sub _log_backtrace {
…		…
2997	$msg =~ s/\n//;	4135	$msg =~ s/\n//;
2998		4136
2999	# limit the # of concurrent backtraces	4137	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	4138	if ($_log_backtrace < 2) {
3001	++$_log_backtrace;	4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
3002	async {	4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
3003	my @bt = fork_call {	4144	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	4145	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3007	or die "addr2line: $!";	4148	or die "addr2line: $!";
…		…
3015	}	4156	}
3016		4157
3017	@funcs	4158	@funcs
3018	};	4159	};
3019		4160
3020	LOG llevInfo, "[ABT] $msg\n";	4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3021	LOG llevInfo, "[ABT] $_\n" for @bt;	4163	LOG llevInfo, "[ABT] $_\n" for @bt;
3022	--$_log_backtrace;	4164	--$_log_backtrace;
3023	};	4165	};
3024	} else {	4166	} else {
3025	LOG llevInfo, "[ABT] $msg\n";	4167	LOG llevInfo, "[ABT] $msg\n";
3026	LOG llevInfo, "[ABT] [suppressed]\n";	4168	LOG llevInfo, "[ABT] [suppressed]\n";
3027	}	4169	}
3028	}	4170	}
3029		4171
3030	# load additional modules	4172	# load additional modules
3031	use cf::pod;	4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
3032		4175
3033	END { cf::emergency_save }	4176	END { cf::emergency_save }
3034		4177
3035	1	4178	1
3036		4179

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