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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
95	binmode STDOUT;	154	binmode STDOUT;
96	binmode STDERR;	155	binmode STDERR;
97		156
98	# read virtual server time, if available	157	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
103	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
104		165
105	mkdir $_	166	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		168
108	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
109		170
110	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		187
112	#############################################################################	188	#############################################################################
113		189
114	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
115		191
…		…
139		215
140	=item $cf::TICK	216	=item $cf::TICK
141		217
142	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
143		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
144	=item %cf::CFG	230	=item %cf::CFG
145		231
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	233	from wherever your confdir points to.
148		234
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		236
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
155	=back	258	=back
156		259
157	=cut	260	=cut
158		261
159	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	269	my $msg = join "", @_;
162		270
163	$msg .= "\n"	271	$msg .= "\n"
164	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
165		273
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		275
168	utf8::encode $msg;
169	LOG llevError, $msg;	276	LOG llevWarn, $msg;
170	};	277	};
171	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
172		292
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		300
180	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	302	# within the Safe compartment.
182	for my $pkg (qw(	303	for my $pkg (qw(
183	cf::global cf::attachable	304	cf::global cf::attachable
184	cf::object cf::object::player	305	cf::object cf::object::player
185	cf::client cf::player	306	cf::client cf::player
186	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
187	cf::map cf::party cf::region	309	cf::party cf::region
188	)) {	310	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	312	}
192		313
193	$Event::DIED = sub {	314	$EV::DIED = sub {
194	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
195	};	316	};
		317
		318	#############################################################################
196		319
197	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
198		321
199	=over 4	322	=over 4
200		323
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	343	$d
221	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
222	}	345	}
223		346
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
227		348
228	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
229		350
230	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
231		352
232	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
233		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
		375
234	=item cf::lock_wait $string	376	=item cf::lock_wait $string
235		377
236	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
237		379
238	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
239		381
240	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
243	returned.	385	returned.
244		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
245	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
247		392
248	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
249		394
250	Return true if the lock is currently active, i.e. somebody has locked it.	395	Return true if the lock is currently active, i.e. somebody has locked it.
251		396
252	=cut	397	=cut
253		398
254	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
255		400
256	sub lock_wait($) {	401	sub lock_wait($) {
257	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	403	}
265		404
266	sub lock_acquire($) {	405	sub lock_acquire($) {
267	my ($key) = @_;	406	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	407	}
279		408
280	sub lock_active($) {	409	sub lock_active($) {
281	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	411	}
285		412
286	sub freeze_mainloop {	413	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
288		415
289	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
291	};	483	}
292	$TICK_WATCHER->stop;	484	};
293	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
294	}	499	}
295		500
296	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
297		502
298	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		508
304	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
305		510
306	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
307		512
308	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
311		517
312	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
315	fast or be very important.	521	fast or be very important.
…		…
317	=cut	523	=cut
318		524
319	sub sync_job(&) {	525	sub sync_job(&) {
320	my ($job) = @_;	526	my ($job) = @_;
321		527
322	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
323	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
325		533
326	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	535
328	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
329		537
330	my $busy = 1;	538	my $busy = 1;
331	my @res;	539	my @res;
332		540
333	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	543	@res = eval { $job->() };
335	warn $@ if $@;	544	error $@ if $@;
336	undef $busy;	545	undef $busy;
337	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
338		547
339	while ($busy) {	548	while ($busy) {
340	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
341	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
342		559
343	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
344	} else {	561	} else {
345	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
346		563
…		…
366	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
367		584
368	$coro	585	$coro
369	}	586	}
370		587
371	sub write_runtime {	588	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		589
374	my $runtime = "$LOCALDIR/runtime";	590	Executes the given code block with the given arguments in a seperate
		591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
375		594
376	warn "starting to write runtime...\n";#d#	595	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		596
380	my $value = $cf::RUNTIME + 90 + 10;	597	sub post_fork {
381	# 10 is the runtime save interval, for a monotonic clock	598	reset_signals;
382	# 60 allows for the watchdog to kill the server.	599	}
383		600
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	601	sub fork_call(&@) {
385	and return;	602	my ($cb, @args) = @_;
386		603
387	# always fsync - this file is important	604	# we seemingly have to make a local copy of the whole thing,
388	aio_fsync $fh	605	# otherwise perl prematurely frees the stuff :/
389	and return;	606	# TODO: investigate and fix (likely this will be rather laborious)
390		607
391	close $fh	608	my @res = Coro::Util::fork_eval {
392	or return;	609	cf::post_fork;
		610	&$cb
		611	}, @args;
393		612
394	aio_rename "$runtime~", $runtime	613	wantarray ? @res : $res[-1]
395	and return;	614	}
396		615
397	warn "... done writing runtime.\n";#d#	616	sub objinfo {
398
399	1	617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
		652	}
		653
		654	=item $value = cf::db_get $family => $key
		655
		656	Returns a single value from the environment database.
		657
		658	=item cf::db_put $family => $key => $value
		659
		660	Stores the given C<$value> in the family. It can currently store binary
		661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
		668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
		689
		690	our $DB;
		691
		692	sub db_init {
		693	$DB ||= db_table "db";
		694	}
		695
		696	sub db_get($$) {
		697	my $key = "$_[0]/$_[1]";
		698
		699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
		702	BDB::db_get $DB, undef, $key, my $data;
		703
		704	$! ? ()
		705	: $data
		706	}
		707
		708	sub db_put($$$) {
		709	BDB::dbreq_pri 4;
		710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		711	}
		712
		713	=item cf::cache $id => [$paths...], $processversion => $process
		714
		715	Generic caching function that returns the value of the resource $id,
		716	caching and regenerating as required.
		717
		718	This function can block.
		719
		720	=cut
		721
		722	sub cache {
		723	my ($id, $src, $processversion, $process) = @_;
		724
		725	my $meta =
		726	join "\x00",
		727	$processversion,
		728	map {
		729	aio_stat $_
		730	and Carp::croak "$_: $!";
		731
		732	($_, (stat _)[7,9])
		733	} @$src;
		734
		735	my $dbmeta = db_get cache => "$id/meta";
		736	if ($dbmeta ne $meta) {
		737	# changed, we may need to process
		738
		739	my @data;
		740	my $md5;
		741
		742	for (0 .. $#$src) {
		743	0 <= aio_load $src->[$_], $data[$_]
		744	or Carp::croak "$src->[$_]: $!";
		745	}
		746
		747	# if processing is expensive, check
		748	# checksum first
		749	if (1) {
		750	$md5 =
		751	join "\x00",
		752	$processversion,
		753	map {
		754	cf::cede_to_tick;
		755	($src->[$_], Digest::MD5::md5_hex $data[$_])
		756	} 0.. $#$src;
		757
		758
		759	my $dbmd5 = db_get cache => "$id/md5";
		760	if ($dbmd5 eq $md5) {
		761	db_put cache => "$id/meta", $meta;
		762
		763	return db_get cache => "$id/data";
		764	}
		765	}
		766
		767	my $t1 = Time::HiRes::time;
		768	my $data = $process->(\@data);
		769	my $t2 = Time::HiRes::time;
		770
		771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		772
		773	db_put cache => "$id/data", $data;
		774	db_put cache => "$id/md5" , $md5;
		775	db_put cache => "$id/meta", $meta;
		776
		777	return $data;
		778	}
		779
		780	db_get cache => "$id/data"
400	}	781	}
401		782
402	=item cf::datalog type => key => value, ...	783	=item cf::datalog type => key => value, ...
403		784
404	Log a datalog packet of the given type with the given key-value pairs.	785	Log a datalog packet of the given type with the given key-value pairs.
405		786
406	=cut	787	=cut
407		788
408	sub datalog($@) {	789	sub datalog($@) {
409	my ($type, %kv) = @_;	790	my ($type, %kv) = @_;
410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
411	}	792	}
412		793
413	=back	794	=back
414		795
415	=cut	796	=cut
416		797
417	#############################################################################	798	#############################################################################
418		799
419	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
420		801
421	Many objects in crossfire are so-called attachable objects. That means you can	802	Many objects in deliantra are so-called attachable objects. That means you can
422	attach callbacks/event handlers (a collection of which is called an "attachment")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
423	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
424		805
425	In the following description, CLASS can be any of C<global>, C<object>	806	In the following description, CLASS can be any of C<global>, C<object>
426	C<player>, C<client> or C<map> (i.e. the attachable objects in	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
427	crossfire+).	808	Deliantra).
428		809
429	=over 4	810	=over 4
430		811
431	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
432		813
…		…
476	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
477		858
478	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
479	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
480		861
481	Some classes such as crossfire maps and objects can specify attachments	862	Some classes such as deliantra maps and objects can specify attachments
482	that are attached at load/instantiate time, thus the need for a name.	863	that are attached at load/instantiate time, thus the need for a name.
483		864
484	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
485		866
486	=over 4	867	=over 4
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	976	$registry = $CB_TYPE[$object_type] ||= [];
596		977
597	} elsif ($type eq "subtype") {	978	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	979	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	980	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	981	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		982
602	} elsif ($type eq "package") {	983	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	984	my $pkg = shift @arg;
604		985
605	while (my ($name, $id) = each %cb_id) {	986	while (my ($name, $id) = each %cb_id) {
…		…
610		991
611	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
612	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
613		994
614	} elsif (ref $type) {	995	} elsif (ref $type) {
615	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
616		997
617	} else {	998	} else {
618	shift @arg;	999	shift @arg;
619	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
620	}	1001	}
621	}	1002	}
622	}	1003	}
623		1004
624	sub _object_attach {	1005	sub _object_attach {
…		…
634	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
635	}	1016	}
636		1017
637	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
638	} else {	1019	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
640	}	1021	}
641		1022
642	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
643	}	1024	}
644		1025
…		…
646	if (ref $_[0]) {	1027	if (ref $_[0]) {
647	_object_attach @_;	1028	_object_attach @_;
648	} else {	1029	} else {
649	_attach shift->_attach_registry, @_;	1030	_attach shift->_attach_registry, @_;
650	}	1031	}
		1032	_recalc_want;
651	};	1033	};
652		1034
653	# all those should be optimised	1035	# all those should be optimised
654	sub cf::attachable::detach {	1036	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	1037	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	1040	delete $obj->{_attachment}{$name};
659	reattach ($obj);	1041	reattach ($obj);
660	} else {	1042	} else {
661	Carp::croak "cannot, currently, detach class attachments";	1043	Carp::croak "cannot, currently, detach class attachments";
662	}	1044	}
		1045	_recalc_want;
663	};	1046	};
664		1047
665	sub cf::attachable::attached {	1048	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
667		1050
…		…
682	";	1065	";
683	die if $@;	1066	die if $@;
684	}	1067	}
685		1068
686	our $override;	1069	our $override;
687	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688		1071
689	sub override {	1072	sub override {
690	$override = 1;	1073	$override = 1;
691	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
692	}	1075	}
693		1076
694	sub do_invoke {	1077	sub do_invoke {
695	my $event = shift;	1078	my $event = shift;
696	my $callbacks = shift;	1079	my $callbacks = shift;
697		1080
698	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
699		1082
700	local $override;	1083	local $override;
701		1084
702	for (@$callbacks) {	1085	for (@$callbacks) {
703	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
704		1087
705	if ($@) {	1088	if ($@) {
706	warn "$@";
707	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
708	override;	1090	override;
709	}	1091	}
710		1092
711	return 1 if $override;	1093	return 1 if $override;
712	}	1094	}
713		1095
714	0	1096	0
715	}	1097	}
716		1098
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1100
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1102
721	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
722		1104
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
724	removed in future versions), and there is no public API to access override	1106	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1108
727	=back	1109	=back
728		1110
729	=cut	1111	=cut
730		1112
731	#############################################################################	1113	#############################################################################
732	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
733		1157
734	sub reattach {	1158	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1160	my ($obj) = @_;
737		1161
		1162	# no longer needed after getting rid of delete_package?
738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
739		1164
740	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
741		1166
742	@$registry = ();	1167	@$registry = ();
743		1168
…		…
748	for (@$attach) {	1173	for (@$attach) {
749	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
750	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
751	}	1176	}
752	} else {	1177	} else {
753	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
754	}	1179	}
755	}	1180	}
756	}	1181	}
757		1182
758	cf::attachable->attach (	1183	cf::attachable->attach (
759	prio => -1000000,	1184	prio => -1000000,
760	on_instantiate => sub {	1185	on_instantiate => sub {
761	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
762		1187
763	$data = from_json $data;	1188	$data = decode_json $data;
764		1189
765	for (@$data) {	1190	for (@$data) {
766	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
767		1192
768	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1209	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
786		1211
787	sync_job {	1212	sync_job {
788	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
791		1218
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
796	close $fh;	1226	aio_close $fh;
797		1227
798	if (@$objs) {	1228	if (@$objs) {
799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
800	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1233	if ($cf::USE_FSYNC) {
		1234	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1235	aio_fsync $fh;
		1236	}
804	close $fh;	1237	aio_close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
806	}	1239	}
807	} else {	1240	} else {
808	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
809	}	1242	}
810		1243
811	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
812	} else {	1248	} else {
813	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
814	}	1250	}
815	} else {	1251	} else {
816	aio_unlink $filename;	1252	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
818	}	1254	}
819	}	1255	};
820	}	1256	}
821		1257
822	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
824		1260
…		…
836	or return;	1272	or return;
837		1273
838	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
840	or return;	1276	or return;
		1277
841	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
842	}	1280	}
843		1281
		1282	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
846	return ($data, $av);	1287	($data, $av)
847	}	1288	}
		1289
		1290	=head2 COMMAND CALLBACKS
		1291
		1292	=over 4
		1293
		1294	=cut
848		1295
849	#############################################################################	1296	#############################################################################
850	# command handling &c	1297	# command handling &c
851		1298
852	=item cf::register_command $name => \&callback($ob,$args);	1299	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1313	}
867		1314
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1316
870	Register a callbackf ro execution when the client sends an extcmd packet.	1317	Register a callback for execution when the client sends an (synchronous)
		1318	extcmd packet. Ext commands will be processed in the order they are
		1319	received by the server, like other user commands. The first argument is
		1320	the logged-in player. Ext commands can only be processed after a player
		1321	has logged in successfully.
871		1322
872	If the callback returns something, it is sent back as if reply was being	1323	If the callback returns something, it is sent back as if reply was being
873	called.	1324	called.
874		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
875	=cut	1337	=cut
876		1338
877	sub register_extcmd {	1339	sub register_extcmd {
878	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
879		1341
880	$EXTCMD{$name} = $cb;	1342	$EXTCMD{$name} = $cb;
881	}	1343	}
882		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
		1352
883	cf::player->attach (	1353	cf::player->attach (
884	on_command => sub {	1354	on_unknown_command => sub {
885	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
886		1356
887	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
888	or return;	1358	or return;
889		1359
…		…
894	cf::override;	1364	cf::override;
895	},	1365	},
896	on_extcmd => sub {	1366	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
898		1368
899	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1370
901	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
907	} else {	1386	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1388	}
910		1389
911	cf::override;	1390	cf::override;
912	},	1391	},
913	);	1392	);
914		1393
		1394	# "readahead" all extensions
915	sub load_extension {	1395	sub cache_extensions {
916	my ($path) = @_;	1396	my $grp = IO::AIO::aio_group;
917		1397
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
919	my $base = $1;	1399	for (grep /\.ext$/, @{$_[0]}) {
920	my $pkg = $1;	1400	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}	1401	}
943	die $@;
944	}	1402	};
945		1403
946	push @EXTS, $pkg;	1404	$grp
947	}	1405	}
948		1406
949	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
		1410	cf::sync_job {
		1411	my %todo;
		1412
950	for my $ext (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1414	next unless -r $path;
952	eval {	1415
953	load_extension $ext;	1416	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1417	my $base = $1;
		1418	my $pkg = $1;
		1419	$pkg =~ s/[^[:word:]]/_/g;
		1420	$pkg = "ext::$pkg";
		1421
		1422	open my $fh, "<:utf8", $path
		1423	or die "$path: $!";
		1424
		1425	my $source = do { local $/; <$fh> };
		1426
		1427	my %ext = (
		1428	path => $path,
		1429	base => $base,
		1430	pkg => $pkg,
		1431	);
		1432
		1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1435
		1436	$ext{source} =
		1437	"package $pkg; use common::sense;\n"
		1438	. "#line 1 \"$path\"\n{\n"
		1439	. $source
		1440	. "\n};\n1";
		1441
		1442	$todo{$base} = \%ext;
		1443	}
		1444
		1445	my $pass = 0;
		1446	my %done;
		1447	while (%todo) {
		1448	my $progress;
		1449
		1450	++$pass;
		1451
		1452	ext:
		1453	while (my ($k, $v) = each %todo) {
		1454	for (split /,\s*/, $v->{meta}{depends}) {
		1455	next ext
		1456	unless exists $done{$_};
		1457	}
		1458
		1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1460
		1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
		1464	error "$v->{path}: $@\n";
		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1467	if exists $v->{meta}{mandatory};
		1468
		1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1470	delete $todo{$k};
		1471	} else {
		1472	$done{$k} = delete $todo{$k};
		1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
		1478	}
954	1	1479	}
955	} or warn "$ext not loaded: $@";	1480
		1481	unless ($progress) {
		1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
		1489	}
956	}	1490	};
957	}	1491	}
958		1492
959	#############################################################################	1493	#############################################################################
960		1494
		1495	=back
		1496
961	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
962		1498
963	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
964		1500
965	=cut	1501	=cut
966		1502
967	package cf::player;	1503	package cf::player;
968		1504
969	use Coro::AIO;	1505	use Coro::AIO;
970		1506
971	=head3 cf::player	1507	=head3 cf::player
972		1508
973	=over 4	1509	=over 4
		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
974		1524
975	=item cf::player::find $login	1525	=item cf::player::find $login
976		1526
977	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
978		1528
…		…
997		1547
998	sub exists($) {	1548	sub exists($) {
999	my ($login) = @_;	1549	my ($login) = @_;
1000		1550
1001	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
1002	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
1003	}	1553	}
1004		1554
1005	sub find($) {	1555	sub find($) {
1006	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
1007	my $login = $_[0];	1557	my $login = $_[0];
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1567	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1568
1019	my $pl = load_pl path $login	1569	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
1022	}	1578	}
1023	}	1579	}
1024	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
1025		1594
1026	sub save($) {	1595	sub save($) {
1027	my ($pl) = @_;	1596	my ($pl) = @_;
1028		1597
1029	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1034	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1035		1604
1036	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1038		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1039	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1040	Coro::cede;	1614	cf::cede_to_tick;
1041	}	1615	}
1042		1616
1043	sub new($) {	1617	sub new($) {
1044	my ($login) = @_;	1618	my ($login) = @_;
1045		1619
…		…
1051	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1052		1626
1053	$self	1627	$self
1054	}	1628	}
1055		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1056	=item $pl->quit_character	1640	=item $pl->quit_character
1057		1641
1058	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1059	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1060		1644
…		…
1064	my ($pl) = @_;	1648	my ($pl) = @_;
1065		1649
1066	my $name = $pl->ob->name;	1650	my $name = $pl->ob->name;
1067		1651
1068	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1069	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1070		1654
1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1072	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1074	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1075		1663
1076	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1077	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1113	or return [];	1701	or return [];
1114		1702
1115	my @logins;	1703	my @logins;
1116		1704
1117	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1121		1715
1122	utf8::decode $login;	1716	utf8::decode $login;
1123	push @logins, $login;	1717	push @logins, $login;
1124	}	1718	}
1125		1719
1126	\@logins	1720	\@logins
1127	}	1721	}
1128		1722
1129	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1130		1726
1131	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1132	player. May block.	1728	player. May block.
1133		1729
1134	=cut	1730	=cut
…		…
1152	}	1748	}
1153		1749
1154	\@paths	1750	\@paths
1155	}	1751	}
1156		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1157	=item $player->ext_reply ($msgid, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1158		1758
1159	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1160		1760
1161	=cut	1761	=cut
1162		1762
1163	sub ext_reply($$%) {	1763	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1165		1765
1166	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1767	}
1170		1768
1171	=item $player->ext_event ($type, %msg)	1769	=item $player->ext_msg ($type, @msg)
1172		1770
1173	Sends an ext event to the client.	1771	Sends an ext event to the client.
1174		1772
1175	=cut	1773	=cut
1176		1774
1177	sub ext_event($$%) {	1775	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1776	my ($self, $type, @msg) = @_;
1179		1777
1180	$self->ns->ext_event ($type, %msg);	1778	$self->ns->ext_msg ($type, @msg);
1181	}	1779	}
1182		1780
1183	=head3 cf::region	1781	=head3 cf::region
1184		1782
1185	=over 4	1783	=over 4
…		…
1188		1786
1189	package cf::region;	1787	package cf::region;
1190		1788
1191	=item cf::region::find_by_path $path	1789	=item cf::region::find_by_path $path
1192		1790
1193	Tries to decuce the probable region for a map knowing only its path.	1791	Tries to decuce the likely region for a map knowing only its path.
1194		1792
1195	=cut	1793	=cut
1196		1794
1197	sub find_by_path($) {	1795	sub find_by_path($) {
1198	my ($path) = @_;	1796	my ($path) = @_;
1199		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
1200	my ($match, $specificity);	1800	my ($match, $specificity);
1201		1801
1202	for my $region (list) {	1802	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1803	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1804	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1805	if $region->specificity > $specificity;
1206	}	1806	}
1207	}	1807	}
1208		1808
…		…
1229	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1231		1831
1232	sub generate_random_map {	1832	sub generate_random_map {
1233	my ($self, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1836
1234	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1235	$self->_create_random_map (	1838	$self->_create_random_map (
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1239	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1240	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1257		1860
1258	sub register {	1861	sub register {
1259	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1260	my $pkg = caller;	1863	my $pkg = caller;
1261		1864
1262	no strict;
1263	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1264		1866
1265	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1266	}	1868	}
1267		1869
1268	# also paths starting with '/'	1870	# also paths starting with '/'
1269	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1270		1872
1271	sub thawer_merge {	1873	sub thawer_merge {
1272	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1273		1875
1274	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
1275	local $self->{path};	1877	local $self->{path};
1276	local $self->{load_path};	1878	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1879
1280	$self->SUPER::thawer_merge ($merge);	1880	$self->SUPER::thawer_merge ($merge);
1281	}	1881	}
1282		1882
1283	sub normalise {	1883	sub normalise {
1284	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1285		1885
1286	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1287		1887
1288	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1289		1889
1290	# map plan:	1890	# map plan:
1291	#	1891	#
…		…
1330	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1331	return $self;	1931	return $self;
1332	}	1932	}
1333	}	1933	}
1334		1934
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1336	()	1936	()
1337	}	1937	}
1338		1938
1339	sub init {	1939	sub init {
1340	my ($self) = @_;	1940	my ($self) = @_;
…		…
1362		1962
1363	# the temporary/swap location	1963	# the temporary/swap location
1364	sub save_path {	1964	sub save_path {
1365	my ($self) = @_;	1965	my ($self) = @_;
1366		1966
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	1968	"$TMPDIR/$path.map"
1369	}	1969	}
1370		1970
1371	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1372	sub uniq_path {	1972	sub uniq_path {
1373	my ($self) = @_;	1973	my ($self) = @_;
1374		1974
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	1976	"$UNIQUEDIR/$path"
1377	}	1977	}
1378		1978
1379	# and all this just because we cannot iterate over	1979	sub decay_objects {
1380	# all maps in C++...
1381	sub change_all_map_light {
1382	my ($change) = @_;	1980	my ($self) = @_;
1383		1981
1384	$_->change_map_light ($change)	1982	return if $self->{deny_reset};
1385	for grep $_->outdoor, values %cf::MAP;	1983
		1984	$self->do_decay_objects;
1386	}	1985	}
1387		1986
1388	sub unlink_save {	1987	sub unlink_save {
1389	my ($self) = @_;	1988	my ($self) = @_;
1390		1989
…		…
1395		1994
1396	sub load_header_from($) {	1995	sub load_header_from($) {
1397	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1398		1997
1399	utf8::encode $path;	1998	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	2000	or return;
		2001
		2002	$self->_load_header ($f)
		2003	or return;
		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
1405		2007
1406	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1407		2009
1408	1	2010	1
1409	}	2011	}
…		…
1448	$self->load_header_orig	2050	$self->load_header_orig
1449	or return;	2051	or return;
1450	$self->prepare_orig;	2052	$self->prepare_orig;
1451	}	2053	}
1452		2054
		2055	$self->{deny_reset} = 1
		2056	if $self->no_reset;
		2057
1453	$self->default_region (cf::region::find_by_path $self->{path})	2058	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	2059	unless $self->default_region;
1455		2060
1456	1	2061	1
1457	}	2062	}
1458		2063
1459	sub find;	2064	sub find;
1460	sub find {	2065	sub find {
1461	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1462		2067
		2068	cf::cede_to_tick;
		2069
1463	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1464		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1466		2074
1467	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";
1469	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1470	or return;	2077	or return;
1471		2078
1472	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1473		2080
1474	$map->load_header	2081	$map->load_header
1475	or return;	2082	or return;
1476		2083
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1480	$map->reset;	2089	$map->reset;
1481	undef $guard;
1482	return find $path;	2090	return find $path;
1483	}	2091	}
1484		2092
1485	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1486	}	2094	}
1487	}	2095	}
1488		2096
1489	sub pre_load { }	2097	sub pre_load { }
1490	sub post_load { }	2098	#sub post_load { } # XS
1491		2099
1492	sub load {	2100	sub load {
1493	my ($self) = @_;	2101	my ($self) = @_;
1494		2102
1495	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1496		2104
1497	my $path = $self->{path};	2105	my $path = $self->{path};
1498		2106
1499	{	2107	{
1500	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1501		2109
		2110	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		2112
1504	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1505		2114
1506	$self->alloc;	2115	$self->alloc;
1507		2116
1508	$self->pre_load;	2117	$self->pre_load;
1509	Coro::cede;	2118	cf::cede_to_tick;
1510		2119
		2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	2122	$self->_load_objects ($f)
1512	or return;	2123	or return;
1513		2124
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1515	if delete $self->{load_original};	2126	if delete $self->{load_original};
1516		2127
1517	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2129	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2132	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1522	}	2136	}
1523	}	2137	}
1524		2138
1525	Coro::cede;	2139	$f->resolve_delayed_derefs;
		2140
		2141	cf::cede_to_tick;
1526	# now do the right thing for maps	2142	# now do the right thing for maps
1527	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2145	unless $self->difficulty;
1530	Coro::cede;	2146	cf::cede_to_tick;
1531		2147
1532	unless ($self->{deny_activate}) {	2148	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2149	$self->decay_objects;
1534	$self->fix_auto_apply;	2150	$self->fix_auto_apply;
1535	$self->update_buttons;	2151	$self->update_buttons;
1536	Coro::cede;	2152	cf::cede_to_tick;
1537	$self->set_darkness_map;
1538	Coro::cede;
1539	$self->activate;	2153	$self->activate;
1540	}	2154	}
1541		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2159	$self->in_memory (cf::MAP_ACTIVE);
1543	}	2160	}
1544		2161
1545	$self->post_load;	2162	$self->post_load;
1546	}	2163	}
1547		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
1548	sub customise_for {	2168	sub customise_for {
1549	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1550		2170
1551	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2172	if $self->per_player;
1553		2173
		2174	# return find "?party/" . $ob->name . "/" . $self->{path}
		2175	# if $self->per_party;
		2176
1554	$self	2177	$self
1555	}	2178	}
1556		2179
1557	# find and load all maps in the 3x3 area around a map	2180	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2181	sub load_neighbours {
1559	my ($map) = @_;	2182	my ($map) = @_;
1560		2183
1561	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1562		2185
1563	for (0 .. 3) {	2186	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1565	or next;	2188	or next;
1566	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1567	or next;	2190	or next;
1568	$neigh->load;	2191	$neigh->load;
1569		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2197	}
1573		2198
1574	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1576	or next;	2202	or next;
1577	$neigh->load;	2203	$neigh->load;
1578	}	2204	}
1579	}	2205	}
1580		2206
1581	sub find_sync {	2207	sub find_sync {
1582	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1583		2209
1584	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1585	}	2214	}
1586		2215
1587	sub do_load_sync {	2216	sub do_load_sync {
1588	my ($map) = @_;	2217	my ($map) = @_;
1589		2218
1590	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1591	}	2223	}
1592		2224
1593	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1595		2227
1596	sub find_async {	2228	sub find_async {
1597	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1598		2230
1599	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1600		2232
1601	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603	}	2235	}
1604		2236
1605	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1606	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1607	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2244	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2245	$map->load if $v;
		2246	}
1612		2247
1613	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1614	}	2249	}
1615	}	2250	}
1616	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1617	};	2252	};
1618	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1619		2254
1620	()	2255	()
1621	}	2256	}
1622		2257
		2258	# common code, used by both ->save and ->swapout
1623	sub save {	2259	sub _save {
1624	my ($self) = @_;	2260	my ($self) = @_;
1625
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;
1627		2261
1628	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1629		2263
1630	return unless $self->dirty;	2264	return unless $self->dirty;
1631		2265
…		…
1637	return if $self->{deny_save};	2271	return if $self->{deny_save};
1638		2272
1639	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1640		2274
1641	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1643	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1644		2281
1645	if ($uniq) {	2282	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2285	} else {
1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1650	}	2287	}
1651	}	2288	}
1652		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1653	sub swap_out {	2298	sub swap_out {
1654	my ($self) = @_;	2299	my ($self) = @_;
1655		2300
1656	# save first because save cedes
1657	$self->save;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1661	return if $self->players;	2305	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};
1664		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1665	$self->clear;	2316	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2317	}
1668		2318
1669	sub reset_at {	2319	sub reset_at {
1670	my ($self) = @_;	2320	my ($self) = @_;
1671		2321
1672	# TODO: safety, remove and allow resettable per-player maps	2322	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2323	return 1e99 if $self->{deny_reset};
1675		2324
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2325	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2326	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2327
…		…
1689	my ($self) = @_;	2338	my ($self) = @_;
1690		2339
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2341
1693	return if $self->players;	2342	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2343
1696	warn "resetting map ", $self->path;#d#	2344	cf::trace "resetting map ", $self->path, "\n";
1697		2345
1698	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
1699		2347
1700	# need to save uniques path	2348	# need to save uniques path
1701	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2353	if $uniq;
1706	}	2354	}
1707		2355
1708	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1709		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2360	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2361
1714	$self->unlink_save;	2362	$self->unlink_save;
1715	$self->destroy;	2363	$self->destroy;
1716	}	2364	}
1717		2365
1718	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1719		2367
1720	sub nuke {	2368	sub nuke {
1721	my ($self) = @_;	2369	my ($self) = @_;
1722		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
1723	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
1724		2375
1725	$self->unlink_save;	2376	$self->unlink_save;
1726		2377
1727	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
1728	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2383
1733	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
1734		2386
1735	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
		2388	}
		2389
		2390	=item $maps = cf::map::tmp_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	maps. May block.
		2394
		2395	=cut
		2396
		2397	sub tmp_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise $_
		2403	: ()
		2404	} @{ aio_readdir $TMPDIR or [] }
		2405	]
		2406	}
		2407
		2408	=item $maps = cf::map::random_maps
		2409
		2410	Returns an arrayref with all map paths of currently instantiated and saved
		2411	random maps. May block.
		2412
		2413	=cut
		2414
		2415	sub random_maps() {
		2416	[
		2417	map {
		2418	utf8::decode $_;
		2419	/\.map$/
		2420	? normalise "?random/$_"
		2421	: ()
		2422	} @{ aio_readdir $RANDOMDIR or [] }
		2423	]
1736	}	2424	}
1737		2425
1738	=item cf::map::unique_maps	2426	=item cf::map::unique_maps
1739		2427
1740	Returns an arrayref of paths of all shared maps that have	2428	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2429	instantiated unique items. May block.
1742		2430
1743	=cut	2431	=cut
1744		2432
1745	sub unique_maps() {	2433	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2434	[
1747	or return;	2435	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2436	utf8::decode $_;
1753	next if /\.pst$/;	2437	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2439	? ()
1756	push @paths, cf::map::normalise $_;	2440	: normalise $_
		2441	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2442	]
1758
1759	\@paths
1760	}	2443	}
1761		2444
1762	package cf;	2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
		2474	\@maps
		2475	}
1763		2476
1764	=back	2477	=back
1765		2478
1766	=head3 cf::object	2479	=head3 cf::object
1767		2480
…		…
1771		2484
1772	=over 4	2485	=over 4
1773		2486
1774	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
1775		2488
1776	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
1777		2491
1778	=cut	2492	=cut
1779		2493
1780	sub inv_recursive_;	2494	sub inv_recursive_;
1781	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
1784		2498
1785	sub inv_recursive {	2499	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
1787	}	2501	}
1788		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
1789	package cf;	2531	package cf;
1790		2532
1791	=back	2533	=back
1792		2534
1793	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
1799	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1800	can be C<undef>. Does the right thing when the player is currently in a	2542	can be C<undef>. Does the right thing when the player is currently in a
1801	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
1802		2544
1803	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
1804		2560
1805	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
1806	# with dialog boxes.	2562	# with dialog boxes.
1807	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
1808	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
1810		2566
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2568
1813	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
1815	} else {	2572	} else {
		2573	my $pl = $self->contr;
		2574
		2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2576	my $dialog = $pl->{npc_dialog};
		2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2578
		2579	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
1818	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
1819	}	2594	}
1820		2595
1821	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
1822		2597
1823	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
1836		2611
1837	=item $player_object->enter_link	2612	=item $player_object->enter_link
1838		2613
1839	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
1840		2615
1841	The player should be reasonably safe there for short amounts of time. You	2616	The player should be reasonably safe there for short amounts of time (e.g.
1842	I<MUST> call C<leave_link> as soon as possible, though.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
1843		2620
1844	Will never block.	2621	Will never block.
1845		2622
1846	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
1847		2624
…		…
1867	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
1868	my ($self) = @_;	2645	my ($self) = @_;
1869		2646
1870	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
1871		2648
		2649	++$self->{_link_recursion};
		2650
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2652
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2654	if $self->map && $self->map->{path} ne "{link}";
1876		2655
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1878	}	2657	}
1879		2658
1880	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
		2661
		2662	return unless $self->contr->active;
1882		2663
1883	my $link_pos = delete $self->{_link_pos};	2664	my $link_pos = delete $self->{_link_pos};
1884		2665
1885	unless ($map) {	2666	unless ($map) {
1886	# restore original map position	2667	# restore original map position
…		…
1897	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
1898	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
1899		2680
1900	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
1903		2684
1904	$map->load;	2685	$map->load;
1905	$map->load_diag;	2686	$map->load_neighbours;
1906		2687
1907	return unless $self->contr->active;	2688	return unless $self->contr->active;
1908	$self->activate_recursive;
1909		2689
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2691	if ($self->enter_map ($map, $x, $y)) {
1912	}	2692	# entering was successful
1913		2693	delete $self->{_link_recursion};
1914	cf::player->attach (	2694	# only activate afterwards, to support waiting in hooks
1915	on_logout => sub {	2695	$self->activate_recursive;
1916	my ($pl) = @_;
1917
1918	# abort map switching before logout
1919	if ($pl->ob->{_link_pos}) {
1920	cf::sync_job {
1921	$pl->ob->leave_link
1922	};
1923	}
1924	},	2696	}
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2697
1928	# try to abort aborted map switching on player login :)	2698	}
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945		2699
1946	=item $player_object->goto ($path, $x, $y)	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1947		2701
		2702	Moves the player to the given map-path and coordinates by first freezing
		2703	her, loading and preparing them map, calling the provided $check callback
		2704	that has to return the map if sucecssful, and then unfreezes the player on
		2705	the new (success) or old (failed) map position. In either case, $done will
		2706	be called at the end of this process.
		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
		2710
1948	=cut	2711	=cut
		2712
		2713	our $GOTOGEN;
1949		2714
1950	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
		2717
		2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
		2723
		2724	# do generation counting so two concurrent goto's will be executed in-order
		2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2726
1953	$self->enter_link;	2727	$self->enter_link;
1954		2728
1955	(async {	2729	(async {
		2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
1956	my $map = eval {	2751	my $map = eval {
1957	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
		2753
		2754	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2755	$map = $map->customise_for ($self);
		2756	$map = $check->($map, $x, $y, $self) if $check && $map;
		2757	} else {
		2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760
1959	$map	2761	$map
		2762	};
		2763
		2764	if ($@) {
		2765	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2766	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2767	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2768
		2769	if ($gen == $self->{_goto_generation}) {
		2770	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
		2772	}
		2773
		2774	$done->($self) if $done;
1964	})->prio (1);	2775	})->prio (1);
1965	}	2776	}
1966		2777
1967	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
1968		2779
…		…
1988	}	2799	}
1989		2800
1990	sub prepare_random_map {	2801	sub prepare_random_map {
1991	my ($exit) = @_;	2802	my ($exit) = @_;
1992		2803
1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
1996	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
1997	# that depends on the exit object	2806	# that depends on the exit object
1998		2807
1999	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
2001	if ($exit->map) {	2810	if ($exit->map) {
2002	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
2003	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
2004	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
2005	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
2006	}	2817	}
2007		2818
2008	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
2009		2820
2010	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
2013		2824
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
2016	undef $fh;	2827	undef $fh;
2017	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
2018		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
2019	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
2020	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
2021	}	2836	}
2022	}	2837	}
2023		2838
2024	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
2025	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
2026		2841
2027	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
2028		2843
2029	if ($exit->slaying eq "/!") {
2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
2031	# the problem is that $exit might not survive long enough
2032	# so it needs to be done right now, right here
2033	cf::sync_job { prepare_random_map $exit };
2034	}
2035
2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;
2039
2040	$self->enter_link;	2844	$self->enter_link;
2041		2845
2042	(async {	2846	(async {
2043	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
2044	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
		2856	prepare_random_map $exit
		2857	if $exit->slaying eq "/!";
		2858	}
		2859
		2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
		2863
2045	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
2046		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
2047	1;	2870	1
2048	}) {	2871	}) {
2049	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
2050	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
2051	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
2052	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
2053		2876
2054	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
2055	$self->leave_link;	2878	$self->leave_link;
2056	}	2879	}
2057	})->prio (1);	2880	})->prio (1);
2058	}	2881	}
2059		2882
…		…
2073		2896
2074	utf8::encode $text;	2897	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2899	}
2077		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
		2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2927
		2928	Send a drawinfo or msg packet to the client, formatting the msg for the
		2929	client if neccessary. C<$type> should be a string identifying the type of
		2930	the message, with C<log> being the default. If C<$color> is negative, suppress
		2931	the message unless the client supports the msg packet.
		2932
		2933	=cut
		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
		3049	sub cf::client::send_msg {
		3050	my ($self, $channel, $msg, $color, @extra) = @_;
		3051
		3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
		3069	}
		3070
		3071	$channel = $channel->{id};
		3072	}
		3073
		3074	return unless @extra || length $msg;
		3075
		3076	# default colour, mask it out
		3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3078	if $color & cf::NDI_DEF;
		3079
		3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
		3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3083	);
		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
2078	=item $client->ext_event ($type, %msg)	3088	=item $client->ext_msg ($type, @msg)
2079		3089
2080	Sends an exti event to the client.	3090	Sends an ext event to the client.
2081		3091
2082	=cut	3092	=cut
2083		3093
2084	sub cf::client::ext_event($$%) {	3094	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	3095	my ($self, $type, @msg) = @_;
2086		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	3100	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
2089	}	3121	}
2090		3122
2091	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
2092		3124
2093	Queues a query to the client, calling the given callback with	3125	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		3128
2097	Queries can fail, so check the return code. Or don't, as queries will become	3129	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	3130	become reliable at some point in the future.
2099		3131
2100	=cut	3132	=cut
2101		3133
2102	sub cf::client::query {	3134	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	3143	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		3145
2114	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
2116	}	3150	}
2117		3151
2118	cf::client->attach (	3152	cf::client->attach (
		3153	on_connect => sub {
		3154	my ($ns) = @_;
		3155
		3156	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3157	},
2119	on_reply => sub {	3158	on_reply => sub {
2120	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
2121		3160
2122	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
2123	# get handled first	3162	# get handled first
…		…
2135	} else {	3174	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	3176	}
2138	}	3177	}
2139	},	3178	},
		3179	on_exticmd => sub {
		3180	my ($ns, $buf) = @_;
		3181
		3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3183
		3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
		3192	if (my $cb = $EXTICMD{$type}) {
		3193	@reply = $cb->($ns, @payload);
		3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
		3199	} else {
		3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3201	}
		3202
		3203	cf::override;
		3204	},
2140	);	3205	);
2141		3206
2142	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
2143		3208
2144	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
2160		3225
2161	$coro	3226	$coro
2162	}	3227	}
2163		3228
2164	cf::client->attach (	3229	cf::client->attach (
2165	on_destroy => sub {	3230	on_client_destroy => sub {
2166	my ($ns) = @_;	3231	my ($ns) = @_;
2167		3232
2168	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2169	},	3234	},
2170	);	3235	);
…		…
2185	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2187		3252
2188	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2189		3254
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2191		3260
2192	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2193		3262
2194	=pod	3263	=pod
2195		3264
2196	The following functions and methods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2197		3266
2198	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
2199	cf::object::player player	3272	cf::object::player
2200	cf::player peaceful	3273	player
2201	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2202		3280
2203	=cut	3281	=cut
2204		3282
2205	for (	3283	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2207	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2209	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2210	) {	3290	) {
2211	no strict 'refs';
2212	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2213	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2214	for @funs;	3293	for @funs;
2215	}	3294	}
2216		3295
…		…
2231		3310
2232	my $qcode = $code;	3311	my $qcode = $code;
2233	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2234	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2235		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2236	local $_;	3318	local $_;
2237	local @safe::cf::_safe_eval_args = values %vars;
2238		3319
2239	my $eval =	3320	my $eval =
2240	"do {\n"	3321	"do {\n"
2241	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2242	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2243	. $code	3324	. $code
2244	. "\n}"	3325	. "\n}"
2245	;	3326	;
2246		3327
		3328	if ($CFG{safe_eval}) {
2247	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2248	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2249	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2250		3337
2251	if ($@) {	3338	if ($@) {
2252	warn "$@";	3339	warn "$@",
2253	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2254	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2255	}	3342	}
2256		3343
2257	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2258	}	3345	}
2259		3346
…		…
2273	=cut	3360	=cut
2274		3361
2275	sub register_script_function {	3362	sub register_script_function {
2276	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2277		3364
2278	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2279	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2280	}	3367	}
2281		3368
2282	=back	3369	=back
2283		3370
2284	=cut	3371	=cut
2285
2286	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459		3372
2460	#############################################################################	3373	#############################################################################
2461	# the server's init and main functions	3374	# the server's init and main functions
2462		3375
2463	sub load_facedata($) {	3376	sub load_facedata($) {
2464	my ($path) = @_;	3377	my ($path) = @_;
2465		3378
		3379	# HACK to clear player env face cache, we need some signal framework
		3380	# for this (global event?)
		3381	%ext::player_env::MUSIC_FACE_CACHE = ();
		3382
		3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3384
2466	warn "loading facedata from $path\n";	3385	trace "loading facedata from $path\n";
2467		3386
2468	my $facedata;
2469	0 < aio_load $path, $facedata	3387	0 < aio_load $path, my $facedata
2470	or die "$path: $!";	3388	or die "$path: $!";
2471		3389
2472	$facedata = Coro::Storable::thaw $facedata;	3390	$facedata = Coro::Storable::thaw $facedata;
2473		3391
2474	$facedata->{version} == 2	3392	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3394
		3395	# patch in the exptable
		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3397	$facedata->{resource}{"res/exp_table"} = {
		3398	type => FT_RSRC,
		3399	data => $exp_table,
		3400	hash => (Digest::MD5::md5 $exp_table),
		3401	};
		3402	cf::cede_to_tick;
		3403
2477	{	3404	{
2478	my $faces = $facedata->{faceinfo};	3405	my $faces = $facedata->{faceinfo};
2479		3406
2480	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3410	cf::face::set_visibility $idx, $info->{visibility};
		3411	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2485	Coro::cede;	3414
		3415	cf::cede_to_tick;
2486	}	3416	}
2487		3417
2488	while (my ($face, $info) = each %$faces) {	3418	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3419	next unless $info->{smooth};
		3420
2490	my $idx = cf::face::find $face	3421	my $idx = cf::face::find $face
2491	or next;	3422	or next;
		3423
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3427	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3428	error "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3429	}
2497	Coro::cede;	3430
		3431	cf::cede_to_tick;
2498	}	3432	}
2499	}	3433	}
2500		3434
2501	{	3435	{
2502	my $anims = $facedata->{animinfo};	3436	my $anims = $facedata->{animinfo};
2503		3437
2504	while (my ($anim, $info) = each %$anims) {	3438	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3440	cf::cede_to_tick;
2507	}	3441	}
2508		3442
2509	cf::anim::invalidate_all; # d'oh	3443	cf::anim::invalidate_all; # d'oh
2510	}	3444	}
2511		3445
		3446	{
		3447	my $res = $facedata->{resource};
		3448
		3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
		3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3454	cf::face::set_type $idx, $info->{type};
		3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
2512	1	3465	1
2513	}	3466	}
2514		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
2515	sub reload_regions {	3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
2516	load_resource_file "$MAPDIR/regions"	3491	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3492	or die "unable to load regions file\n";
		3493
		3494	for (cf::region::list) {
		3495	$_->{match} = qr/$_->{match}/
		3496	if exists $_->{match};
		3497	}
2518	}	3498	}
2519		3499
2520	sub reload_facedata {	3500	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3501	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3502	or die "unable to load facedata\n";
…		…
2530	sub reload_treasures {	3510	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3511	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3512	or die "unable to load treasurelists\n";
2533	}	3513	}
2534		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
2535	sub reload_resources {	3538	sub reload_resources {
2536	warn "reloading resource files...\n";	3539	trace "reloading resource files...\n";
2537		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
2538	reload_regions;	3546	reload_regions;
2539	reload_facedata;
2540	reload_archetypes;
2541	reload_treasures;	3547	reload_treasures;
2542		3548
2543	warn "finished reloading resource files\n";	3549	trace "finished reloading resource files\n";
2544	}	3550	}
2545		3551
2546	sub init {	3552	sub reload_config {
2547	reload_resources;	3553	trace "reloading config file...\n";
2548	}
2549		3554
2550	sub cfg_load {	3555	0 < aio_load "$CONFDIR/config", my $config
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3556	or die "$CONFDIR/config: $!";
2552	or return;
2553		3557
2554	local $/;	3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2555	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2556		3562
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2558		3564
2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2560	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2561		3567
2562	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2566	};	3572	};
2567	warn $@ if $@;	3573	warn $@ if $@;
2568	}	3574	}
2569	}	3575	}
2570		3576
		3577	sub pidfile() {
		3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
		3603	}
		3604
2571	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2572	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3618	(async {
2576	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2578	};	3622	};
2579		3623
2580	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
		3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
2581	db_init;	3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2582	load_extensions;	3647	load_extensions;
2583		3648
2584	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2585	Event::loop;	3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2586	}	3667	}
2587		3668
2588	#############################################################################	3669	#############################################################################
2589	# initialisation and cleanup	3670	# initialisation and cleanup
2590		3671
2591	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2592	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2601	},
2602	);	3678	};
		3679	}
		3680	}
		3681
		3682	sub write_runtime_sync {
		3683	my $t0 = AE::time;
		3684
		3685	# first touch the runtime file to show we are still running:
		3686	# the fsync below can take a very very long time.
		3687
		3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3689
		3690	my $guard = cf::lock_acquire "write_runtime";
		3691
		3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3693	or return;
		3694
		3695	my $value = $cf::RUNTIME + 90 + 10;
		3696	# 10 is the runtime save interval, for a monotonic clock
		3697	# 60 allows for the watchdog to kill the server.
		3698
		3699	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3700	and return;
		3701
		3702	# always fsync - this file is important
		3703	aio_fsync $fh
		3704	and return;
		3705
		3706	# touch it again to show we are up-to-date
		3707	aio_utime $fh, undef, undef;
		3708
		3709	close $fh
		3710	or return;
		3711
		3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3713	and return;
		3714
		3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3716
2603	}	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
2604	}	3768	}
2605		3769
2606	sub emergency_save() {	3770	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2608		3772
2609	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
2610		3779
2611	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2612	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2613	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2614	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2616	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3791	$pl->save;
2620	}	3792	}
2621	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2622		3794
2623	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
2624	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2625	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2626	$map->valid or next;	3800	$map->valid or next;
2627	$map->save;	3801	$map->save;
2628	}	3802	}
2629	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
2630		3804
2631	warn "begin emergency database checkpoint\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
2633	warn "end emergency database checkpoint\n";	3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2634	};	3833	};
2635		3834
2636	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2637	}	3836	}
2638		3837
2639	sub post_cleanup {	3838	sub post_cleanup {
2640	my ($make_core) = @_;	3839	my ($make_core) = @_;
2641		3840
		3841	IO::AIO::flush;
		3842
2642	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
2643	if $make_core;	3844	if $make_core;
		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
2644	}	3873	}
2645		3874
2646	sub do_reload_perl() {	3875	sub do_reload_perl() {
2647	# can/must only be called in main	3876	# can/must only be called in main
2648	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2649	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2650	return;	3879	return;
2651	}	3880	}
2652		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2653	warn "reloading...";	3888	info "reloading...";
2654		3889
2655	warn "entering sync_job";	3890	trace "entering sync_job";
2656		3891
2657	cf::sync_job {	3892	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark
2659	cf::emergency_save;	3893	#cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark
2661		3894
2662	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;
2664
2665	# if anything goes wrong in here, we should simply crash as we already saved
2666
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671
2672	warn "flushing outstanding aio requests";
2673	for (;;) {
2674	BDB::flush;
2675	IO::AIO::flush;
2676	Coro::cede;
2677	last unless IO::AIO::nreqs || BDB::nreqs;
2678	warn "iterate...";
2679	}
2680
2681	++$RELOAD;
2682
2683	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
2684	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2685	%EXT_CORO = ();	3897	%EXT_CORO = ();
2686		3898
2687	warn "removing commands";	3899	trace "removing commands";
2688	%COMMAND = ();	3900	%COMMAND = ();
2689		3901
2690	warn "removing ext commands";	3902	trace "removing ext/exti commands";
2691	%EXTCMD = ();	3903	%EXTCMD = ();
		3904	%EXTICMD = ();
2692		3905
2693	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
2696		3909
2697	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
2698	eval {	3911	eval {
2699	$cb->($pkg);	3912	$cb->($pkg);
2700	1	3913	1
2701	} or warn "$pkg unloaded, but with errors: $@";	3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
2702	}	3919	}
2703		3920
2704	warn "... nuking $pkg";
2705	Symbol::delete_package $pkg;
2706	}
2707
2708	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
2709	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2711		3924
2712	warn "... unloading $k";	3925	trace "... unloading $k";
2713	delete $INC{$k};	3926	delete $INC{$k};
2714		3927
2715	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
2716	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
2717		3930
2718	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
2719	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2720	}	3936	}
2721		3937
2722	Symbol::delete_package $k;
2723	}
2724
2725	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
2726	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2728		3941
2729	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
2730	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
2731	delete $INC{"cf/pod.pm"};	3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2732		3945
2733	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2734	# and global variables created in xs	3947	# and global variables created in xs
2735	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2736		3949
2737	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
2738		3951
2739	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2740	require cf;	3953	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2742		3955
2743	warn "loading config and database again";	3956	trace "loading config and database again";
2744	cf::cfg_load;	3957	cf::reload_config;
2745		3958
2746	warn "loading extensions";	3959	trace "loading extensions";
2747	cf::load_extensions;	3960	cf::load_extensions;
2748		3961
		3962	if ($REATTACH_ON_RELOAD) {
2749	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
2750	_global_reattach; # objects, sockets	3964	_global_reattach; # objects, sockets
2751	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
2752	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
2753	warn "reattaching attachments to players";	3967	trace "reattaching attachments to players";
2754	reattach $_ for values %PLAYER;	3968	reattach $_ for values %PLAYER;
		3969	}
2755		3970
		3971	trace "running post_init jobs";
		3972	(pop @POST_INIT)->(1) while @POST_INIT;
		3973
2756	warn "leaving sync_job";	3974	trace "leaving sync_job";
2757		3975
2758	1	3976	1
2759	} or do {	3977	} or do {
2760	warn $@;	3978	error $@;
2761	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
2762	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
2763	};	3984	}
2764		3985
2765	warn "reloaded";	3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
2766	};	3988	};
2767		3989
2768	our $RELOAD_WATCHER; # used only during reload	3990	our $RELOAD_WATCHER; # used only during reload
2769		3991
2770	sub reload_perl() {	3992	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	3993	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	3994	# coro crashes during coro_state_free->destroy here.
2773		3995
2774	$RELOAD_WATCHER ||= Event->timer (	3996	$RELOAD_WATCHER ||= cf::async {
2775	reentrant => 0,	3997	Coro::AIO::aio_wait cache_extensions;
2776	after => 0,	3998
2777	data => WF_AUTOCANCEL,	3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2778	cb => sub {
2779	do_reload_perl;	4000	do_reload_perl;
2780	undef $RELOAD_WATCHER;	4001	undef $RELOAD_WATCHER;
2781	},	4002	};
2782	);	4003	};
2783	}	4004	}
2784		4005
2785	register_command "reload" => sub {	4006	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2787		4008
2788	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
		4011	async {
		4012	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	4013	reload_perl;
		4014	};
2791	}	4015	}
2792	};	4016	};
2793		4017
2794	unshift @INC, $LIBDIR;	4018	#############################################################################
2795		4019
2796	my $bug_warning = 0;	4020	my $bug_warning = 0;
2797		4021
2798	our @WAIT_FOR_TICK;	4022	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;	4023	our @WAIT_FOR_TICK_BEGIN;
2800		4024
2801	sub wait_for_tick {	4025	sub wait_for_tick() {
2802	return unless $TICK_WATCHER->is_active;
2803	return if $Coro::current == $Coro::main;	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2804		4027
2805	my $signal = new Coro::Signal;	4028	my $signal = new Coro::Signal;
2806	push @WAIT_FOR_TICK, $signal;	4029	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;	4030	$signal->wait;
2808	}	4031	}
2809		4032
2810	sub wait_for_tick_begin {	4033	sub wait_for_tick_begin() {
2811	return unless $TICK_WATCHER->is_active;
2812	return if $Coro::current == $Coro::main;	4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2813		4035
2814	my $signal = new Coro::Signal;	4036	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	4037	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	4038	$signal->wait;
2817	}	4039	}
2818		4040
2819	$TICK_WATCHER = Event->timer (	4041	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
2829	return;	4045	return;
2830	}	4046	}
2831		4047
2832	$NOW = Event::time;
2833
2834	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2835		4049
2836	$RUNTIME += $TICK;	4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2837	$NEXT_TICK += $TICK;
2838		4051
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	4054	Coro::async_pool {
		4055	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	4056	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	4057	or error "ERROR: unable to write runtime file: $!";
2844	};
2845	}	4058	};
		4059	}
2846		4060
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	4062	$sig->send;
2858	}	4063	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {	4064	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;	4065	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	4066	}
2865	);	4067
		4068	$LOAD = ($NOW - $TICK_START) / $TICK;
		4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4070
		4071	if (0) {
		4072	if ($NEXT_TICK) {
		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
		4077	}
		4078	}
2866		4079
2867	{	4080	{
2868	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	4082
2870	reentrant => 0,
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	4083	BDB::min_parallel 16;
2878		4084	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	4085	$AnyEvent::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		4086
2894	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		4094
2897	cf::sync_job {	4095	cf::sync_job {
2898	eval {	4096	eval {
2899	BDB::db_env_open	4097	BDB::db_env_open
2900	$DB_ENV,	4098	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	4102	0666;
2905		4103
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	4105	};
2911		4106
2912	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	4108	};
2914	}	4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
2915	}	4120	}
2916		4121
2917	{	4122	{
		4123	# configure IO::AIO
		4124
2918	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
2923	reentrant => 0,
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	4128	}
2931		4129
2932	my $_log_backtrace;	4130	my $_log_backtrace;
2933		4131
2934	sub _log_backtrace {	4132	sub _log_backtrace {
…		…
2937	$msg =~ s/\n//;	4135	$msg =~ s/\n//;
2938		4136
2939	# limit the # of concurrent backtraces	4137	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	4138	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
2942	async {	4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
2943	my @bt = fork_call {	4144	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	4145	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	4148	or die "addr2line: $!";
…		…
2955	}	4156	}
2956		4157
2957	@funcs	4158	@funcs
2958	};	4159	};
2959		4160
2960	LOG llevInfo, "[ABT] $msg\n";	4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2961	LOG llevInfo, "[ABT] $_\n" for @bt;	4163	LOG llevInfo, "[ABT] $_\n" for @bt;
2962	--$_log_backtrace;	4164	--$_log_backtrace;
2963	};	4165	};
2964	} else {	4166	} else {
2965	LOG llevInfo, "[ABT] $msg\n";	4167	LOG llevInfo, "[ABT] $msg\n";
2966	LOG llevInfo, "[ABT] [suppressed]\n";	4168	LOG llevInfo, "[ABT] [suppressed]\n";
2967	}	4169	}
2968	}	4170	}
2969		4171
2970	# load additional modules	4172	# load additional modules
2971	use cf::pod;	4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
2972		4175
2973	END { cf::emergency_save }	4176	END { cf::emergency_save }
2974		4177
2975	1	4178	1
2976		4179

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