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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.543 by root, Wed May 5 23:23:29 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 process
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	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	264	my $msg = join "", @_;
176		265
177	$msg .= "\n"	266	$msg .= "\n"
178	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
179		268
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		270
182	utf8::encode $msg;
183	LOG llevError, $msg;	271	LOG llevWarn, $msg;
184	};	272	};
185	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
186		287
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		295
194	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	297	# within the Safe compartment.
196	for my $pkg (qw(	298	for my $pkg (qw(
197	cf::global cf::attachable	299	cf::global cf::attachable
198	cf::object cf::object::player	300	cf::object cf::object::player
199	cf::client cf::player	301	cf::client cf::player
200	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
201	cf::map cf::party cf::region	304	cf::party cf::region
202	)) {	305	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	307	}
206		308
207	$Event::DIED = sub {	309	$EV::DIED = sub {
208	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
209	};	311	};
		312
		313	#############################################################################
210		314
211	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
212		316
213	=over 4	317	=over 4
214		318
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	338	$d
235	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
236	}	340	}
237		341
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
241		343
242	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
243		345
244	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
245		347
246	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
247		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
248	=item cf::lock_wait $string	371	=item cf::lock_wait $string
249		372
250	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
251		374
252	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
253		376
254	Wait until the given lock is available and then acquires it and returns	377	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,	378	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	379	for example when the coroutine gets canceled), the lock is automatically
257	returned.	380	returned.
258		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
259	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
261		387
262	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
263		389
264	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
265		391
266	=cut	392	=cut
267		393
268	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
269		395
270	sub lock_wait($) {	396	sub lock_wait($) {
271	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	398	}
279		399
280	sub lock_acquire($) {	400	sub lock_acquire($) {
281	my ($key) = @_;	401	$LOCKS->guard ($_[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	}	402	}
293		403
294	sub lock_active($) {	404	sub lock_active($) {
295	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	406	}
299		407
300	sub freeze_mainloop {	408	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
302		410
303	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
305	};	478	}
306	$TICK_WATCHER->stop;	479	};
307	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
308	}	494	}
309		495
310	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
311		497
312	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		503
318	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
319		505
320	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
321		507
322	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
325		512
326	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
329	fast or be very important.	516	fast or be very important.
…		…
331	=cut	518	=cut
332		519
333	sub sync_job(&) {	520	sub sync_job(&) {
334	my ($job) = @_;	521	my ($job) = @_;
335		522
336	if ($Coro::current == $Coro::main) {	523	if (in_main) {
337	my $time = Event::time;	524	my $time = AE::time;
338		525
339	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
341		528
342	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	530
344	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
345		532
346	my $busy = 1;	533	my $busy = 1;
347	my @res;	534	my @res;
348		535
349	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	538	@res = eval { $job->() };
351	warn $@ if $@;	539	error $@ if $@;
352	undef $busy;	540	undef $busy;
353	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
354		542
355	while ($busy) {	543	while ($busy) {
356	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
357	}	548	}
		549	}
358		550
359	$time = Event::time - $time;	551	my $time = AE::time - $time;
360		552
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	553	$TICK_START += $time; # do not account sync jobs to server load
365		554
366	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
367	} else {	556	} else {
368	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
369		558
…		…
389	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
390		579
391	$coro	580	$coro
392	}	581	}
393		582
394	sub write_runtime {	583	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		584
397	# first touch the runtime file to show we are still running:	585	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
399		589
400	IO::AIO::aio_utime $runtime, undef, undef;	590	=cut
401		591
402	my $guard = cf::lock_acquire "write_runtime";	592	sub fork_call(&@) {
		593	my ($cb, @args) = @_;
403		594
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	# we seemingly have to make a local copy of the whole thing,
405	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
406		598
407	my $value = $cf::RUNTIME + 90 + 10;	599	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	600	reset_signals;
409	# 60 allows for the watchdog to kill the server.	601	&$cb
		602	}, @args;
410		603
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	604	wantarray ? @res : $res[-1]
412	and return;	605	}
413		606
414	# always fsync - this file is important	607	sub objinfo {
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
430	}	772	}
431		773
432	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
433		775
434	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
435		777
436	=cut	778	=cut
437		779
438	sub datalog($@) {	780	sub datalog($@) {
439	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	783	}
442		784
443	=back	785	=back
444		786
445	=cut	787	=cut
446		788
447	#############################################################################	789	#############################################################################
448		790
449	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
450		792
451	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
452	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
454		796
455	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	799	Deliantra).
458		800
459	=over 4	801	=over 4
460		802
461	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
462		804
…		…
506	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
507		849
508	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
510		852
511	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
512	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
513		855
514	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
515		857
516	=over 4	858	=over 4
…		…
640		982
641	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		985
644	} elsif (ref $type) {	986	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
646		988
647	} else {	989	} else {
648	shift @arg;	990	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
650	}	992	}
651	}	993	}
652	}	994	}
653		995
654	sub _object_attach {	996	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
665	}	1007	}
666		1008
667	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
668	} else {	1010	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1012	}
671		1013
672	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
673	}	1015	}
674		1016
…		…
714	";	1056	";
715	die if $@;	1057	die if $@;
716	}	1058	}
717		1059
718	our $override;	1060	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1062
721	sub override {	1063	sub override {
722	$override = 1;	1064	$override = 1;
723	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
724	}	1066	}
725		1067
726	sub do_invoke {	1068	sub do_invoke {
727	my $event = shift;	1069	my $event = shift;
728	my $callbacks = shift;	1070	my $callbacks = shift;
729		1071
730	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
731		1073
732	local $override;	1074	local $override;
733		1075
734	for (@$callbacks) {	1076	for (@$callbacks) {
735	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
736		1078
737	if ($@) {	1079	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1081	override;
741	}	1082	}
742		1083
743	return 1 if $override;	1084	return 1 if $override;
744	}	1085	}
745		1086
746	0	1087	0
747	}	1088	}
748		1089
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1091
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1093
753	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
754		1095
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1099
759	=back	1100	=back
760		1101
761	=cut	1102	=cut
762		1103
763	#############################################################################	1104	#############################################################################
764	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
765		1148
766	sub reattach {	1149	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1151	my ($obj) = @_;
769		1152
		1153	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1155
772	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
773		1157
774	@$registry = ();	1158	@$registry = ();
775		1159
…		…
780	for (@$attach) {	1164	for (@$attach) {
781	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
783	}	1167	}
784	} else {	1168	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1170	}
787	}	1171	}
788	}	1172	}
789		1173
790	cf::attachable->attach (	1174	cf::attachable->attach (
791	prio => -1000000,	1175	prio => -1000000,
792	on_instantiate => sub {	1176	on_instantiate => sub {
793	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
794		1178
795	$data = from_json $data;	1179	$data = decode_json $data;
796		1180
797	for (@$data) {	1181	for (@$data) {
798	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
799		1183
800	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1200	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
818		1202
819	sync_job {	1203	sync_job {
820	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
823		1209
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
828	close $fh;	1217	aio_close $fh;
829		1218
830	if (@$objs) {	1219	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
836	close $fh;	1228	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
838	}	1230	}
839	} else {	1231	} else {
840	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
841	}	1233	}
842		1234
843	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1239	} else {
845	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
846	}	1241	}
847	} else {	1242	} else {
848	aio_unlink $filename;	1243	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
850	}	1245	}
851	}	1246	};
852	}	1247	}
853		1248
854	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
856		1251
…		…
868	or return;	1263	or return;
869		1264
870	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
872	or return;	1267	or return;
		1268
873	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
874	}	1271	}
875		1272
		1273	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
878	return ($data, $av);	1278	($data, $av)
879	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
880		1286
881	#############################################################################	1287	#############################################################################
882	# command handling &c	1288	# command handling &c
883		1289
884	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1304	}
899		1305
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1307
902	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
903		1313
904	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
905	called.	1315	called.
906		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
907	=cut	1328	=cut
908		1329
909	sub register_extcmd {	1330	sub register_extcmd {
910	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
911		1332
912	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
913	}	1334	}
914		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
915	cf::player->attach (	1344	cf::player->attach (
916	on_command => sub {	1345	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
918		1347
919	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
920	or return;	1349	or return;
921		1350
…		…
926	cf::override;	1355	cf::override;
927	},	1356	},
928	on_extcmd => sub {	1357	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
930		1359
931	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1361
933	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
939	} else {	1377	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1379	}
942		1380
943	cf::override;	1381	cf::override;
944	},	1382	},
945	);	1383	);
946		1384
		1385	# "readahead" all extensions
947	sub load_extension {	1386	sub cache_extensions {
948	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
949		1388
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1392	}
975	die $@;
976	}	1393	};
977		1394
978	push @EXTS, $pkg;	1395	$grp
979	}	1396	}
980		1397
981	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
982	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1405	next unless -r $path;
984	eval {	1406
985	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
986	1	1470	}
987	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
988	}	1481	};
989	}	1482	}
990		1483
991	#############################################################################	1484	#############################################################################
992		1485
		1486	=back
		1487
993	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
994		1489
995	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
996		1491
997	=cut	1492	=cut
998		1493
999	package cf::player;	1494	package cf::player;
1000		1495
1001	use Coro::AIO;	1496	use Coro::AIO;
1002		1497
1003	=head3 cf::player	1498	=head3 cf::player
1004		1499
1005	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1006		1515
1007	=item cf::player::find $login	1516	=item cf::player::find $login
1008		1517
1009	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1010		1519
…		…
1029		1538
1030	sub exists($) {	1539	sub exists($) {
1031	my ($login) = @_;	1540	my ($login) = @_;
1032		1541
1033	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1035	}	1544	}
1036		1545
1037	sub find($) {	1546	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1548	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1559
1051	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1054	}	1569	}
1055	}	1570	}
1056	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1057		1585
1058	sub save($) {	1586	sub save($) {
1059	my ($pl) = @_;	1587	my ($pl) = @_;
1060		1588
1061	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1067		1595
1068	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1070		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1071	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1072	Coro::cede;	1605	cf::cede_to_tick;
1073	}	1606	}
1074		1607
1075	sub new($) {	1608	sub new($) {
1076	my ($login) = @_;	1609	my ($login) = @_;
1077		1610
…		…
1083	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1084		1617
1085	$self	1618	$self
1086	}	1619	}
1087		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1088	=item $pl->quit_character	1631	=item $pl->quit_character
1089		1632
1090	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1092		1635
…		…
1096	my ($pl) = @_;	1639	my ($pl) = @_;
1097		1640
1098	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1099		1642
1100	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1645
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1107		1651
1108	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1689	or return [];
1146		1690
1147	my @logins;	1691	my @logins;
1148		1692
1149	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1153		1703
1154	utf8::decode $login;	1704	utf8::decode $login;
1155	push @logins, $login;	1705	push @logins, $login;
1156	}	1706	}
1157		1707
1158	\@logins	1708	\@logins
1159	}	1709	}
1160		1710
1161	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1162		1714
1163	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1164	player. May block.	1716	player. May block.
1165		1717
1166	=cut	1718	=cut
…		…
1184	}	1736	}
1185		1737
1186	\@paths	1738	\@paths
1187	}	1739	}
1188		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1189	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1190		1746
1191	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1192		1748
1193	=cut	1749	=cut
1194		1750
1195	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1197		1753
1198	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1755	}
1202		1756
1203	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1204		1758
1205	Sends an ext event to the client.	1759	Sends an ext event to the client.
1206		1760
1207	=cut	1761	=cut
1208		1762
1209	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1211		1765
1212	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1213	}	1767	}
1214		1768
1215	=head3 cf::region	1769	=head3 cf::region
1216		1770
1217	=over 4	1771	=over 4
…		…
1220		1774
1221	package cf::region;	1775	package cf::region;
1222		1776
1223	=item cf::region::find_by_path $path	1777	=item cf::region::find_by_path $path
1224		1778
1225	Tries to decuce the probable region for a map knowing only its path.	1779	Tries to decuce the likely region for a map knowing only its path.
1226		1780
1227	=cut	1781	=cut
1228		1782
1229	sub find_by_path($) {	1783	sub find_by_path($) {
1230	my ($path) = @_;	1784	my ($path) = @_;
1231		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1232	my ($match, $specificity);	1788	my ($match, $specificity);
1233		1789
1234	for my $region (list) {	1790	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1238	}	1794	}
1239	}	1795	}
1240		1796
…		…
1261	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1263		1819
1264	sub generate_random_map {	1820	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1266	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1826	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1289		1848
1290	sub register {	1849	sub register {
1291	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	1851	my $pkg = caller;
1293		1852
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		1854
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	1856	}
1299		1857
1300	# also paths starting with '/'	1858	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		1860
1303	sub thawer_merge {	1861	sub thawer_merge {
1304	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1305		1863
1306	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1307	local $self->{path};	1865	local $self->{path};
1308	local $self->{load_path};	1866	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1867
1312	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1313	}	1869	}
1314		1870
1315	sub normalise {	1871	sub normalise {
1316	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1317		1873
1318	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1319		1875
1320	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1321		1877
1322	# map plan:	1878	# map plan:
1323	#	1879	#
…		…
1362	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1363	return $self;	1919	return $self;
1364	}	1920	}
1365	}	1921	}
1366		1922
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	1924	()
1369	}	1925	}
1370		1926
1371	sub init {	1927	sub init {
1372	my ($self) = @_;	1928	my ($self) = @_;
…		…
1394		1950
1395	# the temporary/swap location	1951	# the temporary/swap location
1396	sub save_path {	1952	sub save_path {
1397	my ($self) = @_;	1953	my ($self) = @_;
1398		1954
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1956	"$TMPDIR/$path.map"
1401	}	1957	}
1402		1958
1403	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1404	sub uniq_path {	1960	sub uniq_path {
1405	my ($self) = @_;	1961	my ($self) = @_;
1406		1962
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1409	}	1965	}
1410		1966
1411	# and all this just because we cannot iterate over	1967	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1968	my ($self) = @_;
1415		1969
1416	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1418	}	1973	}
1419		1974
1420	sub unlink_save {	1975	sub unlink_save {
1421	my ($self) = @_;	1976	my ($self) = @_;
1422		1977
…		…
1427		1982
1428	sub load_header_from($) {	1983	sub load_header_from($) {
1429	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1430		1985
1431	utf8::encode $path;	1986	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1437		1995
1438	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1439		1997
1440	1	1998	1
1441	}	1999	}
…		…
1480	$self->load_header_orig	2038	$self->load_header_orig
1481	or return;	2039	or return;
1482	$self->prepare_orig;	2040	$self->prepare_orig;
1483	}	2041	}
1484		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
1485	$self->default_region (cf::region::find_by_path $self->{path})	2046	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2047	unless $self->default_region;
1487		2048
1488	1	2049	1
1489	}	2050	}
1490		2051
1491	sub find;	2052	sub find;
1492	sub find {	2053	sub find {
1493	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1494		2055
		2056	cf::cede_to_tick;
		2057
1495	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1496		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2062
1499	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1502	or return;	2065	or return;
1503		2066
1504	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1505		2068
1506	$map->load_header	2069	$map->load_header
1507	or return;	2070	or return;
1508		2071
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1512	$map->reset;	2077	$map->reset;
1513	undef $guard;
1514	return find $path;	2078	return find $path;
1515	}	2079	}
1516		2080
1517	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1518	}	2082	}
1519	}	2083	}
1520		2084
1521	sub pre_load { }	2085	sub pre_load { }
1522	sub post_load { }	2086	#sub post_load { } # XS
1523		2087
1524	sub load {	2088	sub load {
1525	my ($self) = @_;	2089	my ($self) = @_;
1526		2090
1527	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1528		2092
1529	my $path = $self->{path};	2093	my $path = $self->{path};
1530		2094
1531	{	2095	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1533		2097
		2098	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2100
1536	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1537		2102
1538	$self->alloc;	2103	$self->alloc;
1539		2104
1540	$self->pre_load;	2105	$self->pre_load;
1541	Coro::cede;	2106	cf::cede_to_tick;
1542		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1544	or return;	2111	or return;
1545		2112
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1547	if delete $self->{load_original};	2114	if delete $self->{load_original};
1548		2115
1549	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2117	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2120	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1554	}	2124	}
1555	}	2125	}
1556		2126
1557	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1558	# now do the right thing for maps	2130	# now do the right thing for maps
1559	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2133	unless $self->difficulty;
1562	Coro::cede;	2134	cf::cede_to_tick;
1563		2135
1564	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2137	$self->decay_objects;
1566	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1567	$self->update_buttons;	2139	$self->update_buttons;
1568	Coro::cede;	2140	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2141	$self->activate;
1572	}	2142	}
1573		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2148	}
1576		2149
1577	$self->post_load;	2150	$self->post_load;
1578	}	2151	}
1579		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2156	sub customise_for {
1581	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1582		2158
1583	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2160	if $self->per_player;
1585		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1586	$self	2165	$self
1587	}	2166	}
1588		2167
1589	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2169	sub load_neighbours {
1591	my ($map) = @_;	2170	my ($map) = @_;
1592		2171
1593	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1594		2173
1595	for (0 .. 3) {	2174	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1597	or next;	2176	or next;
1598	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1599	or next;	2178	or next;
1600	$neigh->load;	2179	$neigh->load;
1601		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2185	}
1605		2186
1606	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1608	or next;	2190	or next;
1609	$neigh->load;	2191	$neigh->load;
1610	}	2192	}
1611	}	2193	}
1612		2194
1613	sub find_sync {	2195	sub find_sync {
1614	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1615		2197
1616	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1617	}	2202	}
1618		2203
1619	sub do_load_sync {	2204	sub do_load_sync {
1620	my ($map) = @_;	2205	my ($map) = @_;
1621		2206
1622	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1623	}	2211	}
1624		2212
1625	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1627		2215
1628	sub find_async {	2216	sub find_async {
1629	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1630		2218
1631	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1632		2220
1633	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2223	}
1636		2224
1637	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1638	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1639	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2232	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2233	$map->load if $v;
		2234	}
1644		2235
1645	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1646	}	2237	}
1647	}	2238	}
1648	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1649	};	2240	};
1650	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1651		2242
1652	()	2243	()
1653	}	2244	}
1654		2245
		2246	# common code, used by both ->save and ->swapout
1655	sub save {	2247	sub _save {
1656	my ($self) = @_;	2248	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2249
1660	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1661		2251
1662	return unless $self->dirty;	2252	return unless $self->dirty;
1663		2253
…		…
1669	return if $self->{deny_save};	2259	return if $self->{deny_save};
1670		2260
1671	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1672		2262
1673	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1675	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1676		2269
1677	if ($uniq) {	2270	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2273	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2275	}
1683	}	2276	}
1684		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1685	sub swap_out {	2286	sub swap_out {
1686	my ($self) = @_;	2287	my ($self) = @_;
1687		2288
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1693	return if $self->players;	2293	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1697	$self->clear;	2304	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2305	}
1700		2306
1701	sub reset_at {	2307	sub reset_at {
1702	my ($self) = @_;	2308	my ($self) = @_;
1703		2309
1704	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1707		2312
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2315
…		…
1721	my ($self) = @_;	2326	my ($self) = @_;
1722		2327
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2329
1725	return if $self->players;	2330	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2331
1728	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
1729		2333
1730	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1731		2335
1732	# need to save uniques path	2336	# need to save uniques path
1733	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2341	if $uniq;
1738	}	2342	}
1739		2343
1740	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1741		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2348	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2349
1746	$self->unlink_save;	2350	$self->unlink_save;
1747	$self->destroy;	2351	$self->destroy;
1748	}	2352	}
1749		2353
1750	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1751		2355
1752	sub nuke {	2356	sub nuke {
1753	my ($self) = @_;	2357	my ($self) = @_;
1754		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1755	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1756		2363
1757	$self->unlink_save;	2364	$self->unlink_save;
1758		2365
1759	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2371
1765	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1766		2374
1767	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
		2376	}
		2377
		2378	=item $maps = cf::map::tmp_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1768	}	2412	}
1769		2413
1770	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1771		2415
1772	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2417	instantiated unique items. May block.
1774		2418
1775	=cut	2419	=cut
1776		2420
1777	sub unique_maps() {	2421	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2422	[
1779	or return;	2423	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2424	utf8::decode $_;
1785	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2427	? ()
1788	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2430	]
1790
1791	\@paths
1792	}	2431	}
1793		2432
1794	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1795		2464
1796	=back	2465	=back
1797		2466
1798	=head3 cf::object	2467	=head3 cf::object
1799		2468
…		…
1803		2472
1804	=over 4	2473	=over 4
1805		2474
1806	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1807		2476
1808	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1809		2479
1810	=cut	2480	=cut
1811		2481
1812	sub inv_recursive_;	2482	sub inv_recursive_;
1813	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1816		2486
1817	sub inv_recursive {	2487	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1819	}	2489	}
1820		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1821	package cf;	2519	package cf;
1822		2520
1823	=back	2521	=back
1824		2522
1825	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1834		2532
1835	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1836		2548
1837	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2550	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1842		2554
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2556
1845	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1847	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1850	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1851	}	2582	}
1852		2583
1853	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1854		2585
1855	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1868		2599
1869	=item $player_object->enter_link	2600	=item $player_object->enter_link
1870		2601
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2603
1873	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1875		2608
1876	Will never block.	2609	Will never block.
1877		2610
1878	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1879		2612
…		…
1899	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2633	my ($self) = @_;
1901		2634
1902	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1903		2636
		2637	++$self->{_link_recursion};
		2638
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2640
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
1908		2643
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2645	}
1911		2646
1912	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
1914		2649
…		…
1931	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1933		2668
1934	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1937		2672
1938	$map->load;	2673	$map->load;
1939	$map->load_diag;	2674	$map->load_neighbours;
1940		2675
1941	return unless $self->contr->active;	2676	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2677
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
1946	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
1947		2685
		2686	}
		2687
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2689
1950	Moves the player to the given map-path and coordinates by first freezing	2690	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2692	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
1954		2698
1955	=cut	2699	=cut
1956		2700
1957	our $GOTOGEN;	2701	our $GOTOGEN;
1958		2702
1959	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
1961		2711
1962	# do generation counting so two concurrent goto's will be executed in-order	2712	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2714
1965	$self->enter_link;	2715	$self->enter_link;
1966		2716
1967	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
1968	my $map = eval {	2739	my $map = eval {
1969	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
1970		2741
1971	if ($map) {	2742	if ($map) {
1972	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2745	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2747	}
1977		2748
1978	$map	2749	$map
1979	};	2750	};
1980		2751
…		…
1985		2756
1986	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
1989	}	2760	}
		2761
		2762	$done->($self) if $done;
1990	})->prio (1);	2763	})->prio (1);
1991	}	2764	}
1992		2765
1993	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1994		2767
…		…
2014	}	2787	}
2015		2788
2016	sub prepare_random_map {	2789	sub prepare_random_map {
2017	my ($exit) = @_;	2790	my ($exit) = @_;
2018		2791
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2794	# that depends on the exit object
2024		2795
2025	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2798	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2032	}	2805	}
2033		2806
2034	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2035		2808
2036	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2039		2812
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2815	undef $fh;
2043	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2044		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2047	}	2824	}
2048	}	2825	}
2049		2826
2050	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2052		2829
2053	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2054		2831
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2832	$self->enter_link;
2067		2833
2068	(async {	2834	(async {
2069	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2070	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2071	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2072		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2073	1;	2858	1
2074	}) {	2859	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2864
2080	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	2866	$self->leave_link;
2082	}	2867	}
2083	})->prio (1);	2868	})->prio (1);
2084	}	2869	}
2085		2870
…		…
2099		2884
2100	utf8::encode $text;	2885	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2887	}
2103		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2104	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2105		3077
2106	Sends an exti event to the client.	3078	Sends an ext event to the client.
2107		3079
2108	=cut	3080	=cut
2109		3081
2110	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2112		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2115	}	3109	}
2116		3110
2117	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2118		3112
2119	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		3116
2123	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	3118	become reliable at some point in the future.
2125		3119
2126	=cut	3120	=cut
2127		3121
2128	sub cf::client::query {	3122	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3131	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3133
2140	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2142	}	3138	}
2143		3139
2144	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2145	on_reply => sub {	3146	on_reply => sub {
2146	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2147		3148
2148	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2149	# get handled first	3150	# get handled first
…		…
2161	} else {	3162	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3164	}
2164	}	3165	}
2165	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2166	);	3193	);
2167		3194
2168	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2169		3196
2170	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3213
2187	$coro	3214	$coro
2188	}	3215	}
2189		3216
2190	cf::client->attach (	3217	cf::client->attach (
2191	on_destroy => sub {	3218	on_client_destroy => sub {
2192	my ($ns) = @_;	3219	my ($ns) = @_;
2193		3220
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3222	},
2196	);	3223	);
…		…
2211	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2213		3240
2214	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2215		3242
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2217		3248
2218	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2219		3250
2220	=pod	3251	=pod
2221		3252
2222	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2223		3254
2224	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2225	cf::object::player player	3260	cf::object::player
2226	cf::player peaceful	3261	player
2227	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2228		3268
2229	=cut	3269	=cut
2230		3270
2231	for (	3271	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2236	) {	3278	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3281	for @funs;
2241	}	3282	}
2242		3283
…		…
2257		3298
2258	my $qcode = $code;	3299	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2261		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2262	local $_;	3306	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3307
2265	my $eval =	3308	my $eval =
2266	"do {\n"	3309	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3312	. $code
2270	. "\n}"	3313	. "\n}"
2271	;	3314	;
2272		3315
		3316	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2276		3325
2277	if ($@) {	3326	if ($@) {
2278	warn "$@";	3327	warn "$@",
2279	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2281	}	3330	}
2282		3331
2283	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2284	}	3333	}
2285		3334
…		…
2299	=cut	3348	=cut
2300		3349
2301	sub register_script_function {	3350	sub register_script_function {
2302	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2303		3352
2304	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2306	}	3355	}
2307		3356
2308	=back	3357	=back
2309		3358
2310	=cut	3359	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3360
2484	#############################################################################	3361	#############################################################################
2485	# the server's init and main functions	3362	# the server's init and main functions
2486		3363
2487	sub load_facedata($) {	3364	sub load_facedata($) {
2488	my ($path) = @_;	3365	my ($path) = @_;
2489		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2490	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2491		3374
2492	my $facedata;	3375	my $facedata;
2493	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2494	or die "$path: $!";	3377	or die "$path: $!";
2495		3378
2496	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2497		3380
2498	$facedata->{version} == 2	3381	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2501	{	3393	{
2502	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2503		3395
2504	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#	3398
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3403
		3404	cf::cede_to_tick;
2511	}	3405	}
2512		3406
2513	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2515	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2516	or next;	3411	or next;
		3412
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3416	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3418	}
2522	Coro::cede;	3419
		3420	cf::cede_to_tick;
2523	}	3421	}
2524	}	3422	}
2525		3423
2526	{	3424	{
2527	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2528		3426
2529	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3429	cf::cede_to_tick;
2532	}	3430	}
2533		3431
2534	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2535	}	3433	}
2536		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2537	1	3454	1
2538	}	3455	}
2539		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2540	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2541	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
2543	}	3487	}
2544		3488
2545	sub reload_facedata {	3489	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
…		…
2555	sub reload_treasures {	3499	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2558	}	3502	}
2559		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2560	sub reload_resources {	3527	sub reload_resources {
2561	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2562		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2563	reload_regions;	3533	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3534	reload_treasures;
2567		3535
2568	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2569	}	3537	}
2570		3538
2571	sub init {	3539	sub reload_config {
2572	reload_resources;	3540	trace "reloading config file...\n";
2573	}
2574		3541
2575	sub cfg_load {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3543	or return;
2578		3544
2579	local $/;	3545	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2581		3547
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3549
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3552
2587	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2589	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2590	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2591	};	3557	};
2592	warn $@ if $@;	3558	warn $@ if $@;
2593	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2594	}	3590	}
2595		3591
2596	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2597	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3605	(async {
2601	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2603	};	3609	};
2604		3610
2605	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::incloader::init ();
		3615
		3616	cf::init_experience;
		3617	cf::init_anim;
		3618	cf::init_attackmess;
		3619	cf::init_dynamic;
		3620
		3621	cf::load_settings;
		3622	cf::load_materials;
		3623
		3624	reload_resources;
		3625	reload_config;
2606	db_init;	3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
2607	load_extensions;	3636	load_extensions;
2608		3637
2609	$TICK_WATCHER->start;	3638	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
2611	}	3656	}
2612		3657
2613	#############################################################################	3658	#############################################################################
2614	# initialisation and cleanup	3659	# initialisation and cleanup
2615		3660
2616	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2617	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2626	},
2627	);	3667	};
		3668	}
		3669	}
		3670
		3671	sub write_runtime_sync {
		3672	my $t0 = AE::time;
		3673
		3674	# first touch the runtime file to show we are still running:
		3675	# the fsync below can take a very very long time.
		3676
		3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3678
		3679	my $guard = cf::lock_acquire "write_runtime";
		3680
		3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3682	or return;
		3683
		3684	my $value = $cf::RUNTIME + 90 + 10;
		3685	# 10 is the runtime save interval, for a monotonic clock
		3686	# 60 allows for the watchdog to kill the server.
		3687
		3688	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3689	and return;
		3690
		3691	# always fsync - this file is important
		3692	aio_fsync $fh
		3693	and return;
		3694
		3695	# touch it again to show we are up-to-date
		3696	aio_utime $fh, undef, undef;
		3697
		3698	close $fh
		3699	or return;
		3700
		3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3702	and return;
		3703
		3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3705
2628	}	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
2629	}	3757	}
2630		3758
2631	sub emergency_save() {	3759	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2633		3761
2634	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
2635		3768
2636	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2637	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3780	$pl->save;
2645	}	3781	}
2646	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2647		3783
2648	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3789	$map->valid or next;
2652	$map->save;	3790	$map->save;
2653	}	3791	}
2654	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
2655		3793
2656	warn "begin emergency database checkpoint\n";	3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3797	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2659	};	3822	};
2660		3823
2661	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2662	}	3825	}
2663		3826
2664	sub post_cleanup {	3827	sub post_cleanup {
2665	my ($make_core) = @_;	3828	my ($make_core) = @_;
2666		3829
		3830	IO::AIO::flush;
		3831
2667	warn Carp::longmess "post_cleanup backtrace"	3832	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3833	if $make_core;
		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
2669	}	3862	}
2670		3863
2671	sub do_reload_perl() {	3864	sub do_reload_perl() {
2672	# can/must only be called in main	3865	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2674	warn "can only reload from main coroutine";	3867	error "can only reload from main coroutine";
2675	return;	3868	return;
2676	}	3869	}
2677		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2678	warn "reloading...";	3877	info "reloading...";
2679		3878
2680	warn "entering sync_job";	3879	trace "entering sync_job";
2681		3880
2682	cf::sync_job {	3881	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	3882	#cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		3883
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	3884	trace "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	3886	%EXT_CORO = ();
2711		3887
2712	warn "removing commands";	3888	trace "removing commands";
2713	%COMMAND = ();	3889	%COMMAND = ();
2714		3890
2715	warn "removing ext commands";	3891	trace "removing ext/exti commands";
2716	%EXTCMD = ();	3892	%EXTCMD = ();
		3893	%EXTICMD = ();
2717		3894
2718	warn "unloading/nuking all extensions";	3895	trace "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
2721		3898
2722	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2723	eval {	3900	eval {
2724	$cb->($pkg);	3901	$cb->($pkg);
2725	1	3902	1
2726	} or warn "$pkg unloaded, but with errors: $@";	3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
2727	}	3908	}
2728		3909
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3913
2737	warn "... unloading $k";	3914	trace "... unloading $k";
2738	delete $INC{$k};	3915	delete $INC{$k};
2739		3916
2740	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2742		3919
2743	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2745	}	3925	}
2746		3926
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3930
2754	warn "unloading cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3934
2758	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3936	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2761		3938
2762	warn "unload completed, starting to reload now";	3939	info "unload completed, starting to reload now";
2763		3940
2764	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2765	require cf;	3942	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2767		3944
2768	warn "loading config and database again";	3945	trace "loading config and database again";
2769	cf::cfg_load;	3946	cf::reload_config;
2770		3947
2771	warn "loading extensions";	3948	trace "loading extensions";
2772	cf::load_extensions;	3949	cf::load_extensions;
2773		3950
		3951	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3953	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3954	trace "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3956	trace "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3957	reattach $_ for values %PLAYER;
		3958	}
2780		3959
		3960	trace "running post_init jobs";
		3961	(pop @POST_INIT)->(1) while @POST_INIT;
		3962
2781	warn "leaving sync_job";	3963	trace "leaving sync_job";
2782		3964
2783	1	3965	1
2784	} or do {	3966	} or do {
2785	warn $@;	3967	error $@;
2786	warn "error while reloading, exiting.";	3968	cf::cleanup "error while reloading, exiting.";
2787	exit 1;	3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
2788	};	3973	}
2789		3974
2790	warn "reloaded";	3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
2791	};	3977	};
2792		3978
2793	our $RELOAD_WATCHER; # used only during reload	3979	our $RELOAD_WATCHER; # used only during reload
2794		3980
2795	sub reload_perl() {	3981	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3982	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3983	# coro crashes during coro_state_free->destroy here.
2798		3984
2799	$RELOAD_WATCHER ||= Event->timer (	3985	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	3986	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	3987
2802	data => WF_AUTOCANCEL,	3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	3989	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3990	undef $RELOAD_WATCHER;
2806	},	3991	};
2807	);	3992	};
2808	}	3993	}
2809		3994
2810	register_command "reload" => sub {	3995	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
2812		3997
2813	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3999	$who->message ("reloading server.");
		4000	async {
		4001	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4002	reload_perl;
		4003	};
2816	}	4004	}
2817	};	4005	};
2818		4006
2819	unshift @INC, $LIBDIR;	4007	#############################################################################
2820		4008
2821	my $bug_warning = 0;	4009	my $bug_warning = 0;
2822		4010
2823	our @WAIT_FOR_TICK;	4011	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	4012	our @WAIT_FOR_TICK_BEGIN;
2825		4013
2826	sub wait_for_tick {	4014	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829		4016
2830	my $signal = new Coro::Signal;	4017	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	4018	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	4019	$signal->wait;
2833	}	4020	}
2834		4021
2835	sub wait_for_tick_begin {	4022	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4024
2839	my $signal = new Coro::Signal;	4025	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4026	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4027	$signal->wait;
2842	}	4028	}
2843		4029
2844	my $min = 1e6;#d#	4030	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4031	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4033	unless ++$bug_warning > 10;
2856	return;	4034	return;
2857	}	4035	}
2858		4036
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
2862		4038
2863	0 && sync_job {#d#	4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		4040
2869	$map->width (50);	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	4043	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	4044	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	4045	write_runtime_sync
2874		4046	or error "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4047	};
		4048	}
2885		4049
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4051	$sig->send;
2902	}	4052	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4053	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	4054	$sig->send;
2905	}	4055	}
2906		4056
2907	$NOW = Event::time;	4057	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4059
2918	_post_tick;	4060	if (0) {
2919		4061	if ($NEXT_TICK) {
2920		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
		4065	}
2921	},	4066	}
2922	);	4067	}
2923		4068
2924	{	4069	{
2925	BDB::max_poll_time $TICK * 0.1;	4070	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4071
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4072	BDB::min_parallel 16;
2935		4073	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4074	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4075
2951	unless ($DB_ENV) {	4076	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4083
2954	cf::sync_job {	4084	cf::sync_job {
2955	eval {	4085	eval {
2956	BDB::db_env_open	4086	BDB::db_env_open
2957	$DB_ENV,	4087	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4091	0666;
2962		4092
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4094	};
2968		4095
2969	cf::cleanup "db_env_open(db): $@" if $@;	4096	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4097	};
2971	}	4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
2972	}	4109	}
2973		4110
2974	{	4111	{
		4112	# configure IO::AIO
		4113
2975	IO::AIO::min_parallel 8;	4114	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4115	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4116	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4117	}
2988		4118
2989	my $_log_backtrace;	4119	my $_log_backtrace;
2990		4120
2991	sub _log_backtrace {	4121	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	4124	$msg =~ s/\n//;
2995		4125
2996	# limit the # of concurrent backtraces	4126	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4127	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	4128	++$_log_backtrace;
		4129	my $perl_bt = Carp::longmess $msg;
2999	async {	4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
3000	my @bt = fork_call {	4133	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4134	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4137	or die "addr2line: $!";
…		…
3012	}	4145	}
3013		4146
3014	@funcs	4147	@funcs
3015	};	4148	};
3016		4149
3017	LOG llevInfo, "[ABT] $msg\n";	4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4152	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4153	--$_log_backtrace;
3020	};	4154	};
3021	} else {	4155	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4156	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4157	LOG llevInfo, "[ABT] [suppressed]\n";
3024	}	4158	}
3025	}	4159	}
3026		4160
3027	# load additional modules	4161	# load additional modules
3028	use cf::pod;	4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
3029		4164
3030	END { cf::emergency_save }	4165	END { cf::emergency_save }
3031		4166
3032	1	4167	1
3033		4168

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