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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.255 by root, Thu Apr 19 16:23:47 2007 UTC vs.
Revision 1.549 by root, Tue May 11 13:19:59 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 $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
234	=item cf::lock_wait $string	388	=item cf::lock_wait $string
235		389
236	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
237		391
238	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
239		393
240	Wait until the given lock is available and then acquires it and returns	394	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,	395	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	396	for example when the coroutine gets canceled), the lock is automatically
243	returned.	397	returned.
244		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
245	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
247		404
248	=item $locked = cf::lock_active $string	405	=item $locked = cf::lock_active $string
249		406
250	Return true if the lock is currently active, i.e. somebody has locked it.	407	Return true if the lock is currently active, i.e. somebody has locked it.
251		408
252	=cut	409	=cut
253		410
254	our %LOCK;	411	our $LOCKS = new Coro::SemaphoreSet;
255		412
256	sub lock_wait($) {	413	sub lock_wait($) {
257	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	415	}
265		416
266	sub lock_acquire($) {	417	sub lock_acquire($) {
267	my ($key) = @_;	418	$LOCKS->guard ($_[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	}	419	}
279		420
280	sub lock_active($) {	421	sub lock_active($) {
281	my ($key) = @_;	422	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	423	}
285		424
286	sub freeze_mainloop {	425	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
288		427
289	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	429	}
		430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
291	};	495	}
292	$TICK_WATCHER->stop;	496	};
293	$guard	497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
294	}	511	}
295		512
296	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
297		514
298	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		520
304	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
305		522
306	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
307		524
308	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
311		529
312	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
315	fast or be very important.	533	fast or be very important.
…		…
317	=cut	535	=cut
318		536
319	sub sync_job(&) {	537	sub sync_job(&) {
320	my ($job) = @_;	538	my ($job) = @_;
321		539
322	if ($Coro::current == $Coro::main) {	540	if (in_main) {
		541	my $time = AE::time;
		542
323	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
325		545
326	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	547
328	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
329		549
330	my $busy = 1;	550	my $busy = 1;
331	my @res;	551	my @res;
332		552
333	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	555	@res = eval { $job->() };
335	warn $@ if $@;	556	error $@ if $@;
336	undef $busy;	557	undef $busy;
337	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
338		559
339	while ($busy) {	560	while ($busy) {
340	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
341	}	565	}
		566	}
		567
		568	my $time = AE::time - $time;
		569
		570	$TICK_START += $time; # do not account sync jobs to server load
342		571
343	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
344	} else {	573	} else {
345	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
346		575
…		…
366	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
367		596
368	$coro	597	$coro
369	}	598	}
370		599
371	sub write_runtime {	600	=item fork_call { }, @args
372	my $guard = cf::lock_acquire "write_runtime";
373		601
374	my $runtime = "$LOCALDIR/runtime";	602	Executes the given code block with the given arguments in a seperate
		603	process, returning the results. Everything must be serialisable with
		604	Coro::Storable. May, of course, block. Note that the executed sub may
		605	never block itself or use any form of event handling.
375		606
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	607	=cut
377	or return;
378		608
379	my $value = $cf::RUNTIME + 90 + 10;	609	sub post_fork {
380	# 10 is the runtime save interval, for a monotonic clock	610	reset_signals;
381	# 60 allows for the watchdog to kill the server.	611	}
382		612
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	613	sub fork_call(&@) {
384	and return;	614	my ($cb, @args) = @_;
385		615
386	# always fsync - this file is important	616	# we seemingly have to make a local copy of the whole thing,
387	aio_fsync $fh	617	# otherwise perl prematurely frees the stuff :/
388	and return;	618	# TODO: investigate and fix (likely this will be rather laborious)
389		619
390	close $fh	620	my @res = Coro::Util::fork_eval {
391	or return;	621	cf::post_fork;
		622	&$cb
		623	} @args;
392		624
393	aio_rename "$runtime~", $runtime	625	wantarray ? @res : $res[-1]
394	and return;	626	}
395		627
		628	sub objinfo {
396	1	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
		664	}
		665
		666	=item $value = cf::db_get $family => $key
		667
		668	Returns a single value from the environment database.
		669
		670	=item cf::db_put $family => $key => $value
		671
		672	Stores the given C<$value> in the family. It can currently store binary
		673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
		680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
		701
		702	our $DB;
		703
		704	sub db_init {
		705	$DB ||= db_table "db";
		706	}
		707
		708	sub db_get($$) {
		709	my $key = "$_[0]/$_[1]";
		710
		711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
		714	BDB::db_get $DB, undef, $key, my $data;
		715
		716	$! ? ()
		717	: $data
		718	}
		719
		720	sub db_put($$$) {
		721	BDB::dbreq_pri 4;
		722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		723	}
		724
		725	=item cf::cache $id => [$paths...], $processversion => $process
		726
		727	Generic caching function that returns the value of the resource $id,
		728	caching and regenerating as required.
		729
		730	This function can block.
		731
		732	=cut
		733
		734	sub cache {
		735	my ($id, $src, $processversion, $process) = @_;
		736
		737	my $meta =
		738	join "\x00",
		739	$processversion,
		740	map {
		741	aio_stat $_
		742	and Carp::croak "$_: $!";
		743
		744	($_, (stat _)[7,9])
		745	} @$src;
		746
		747	my $dbmeta = db_get cache => "$id/meta";
		748	if ($dbmeta ne $meta) {
		749	# changed, we may need to process
		750
		751	my @data;
		752	my $md5;
		753
		754	for (0 .. $#$src) {
		755	0 <= aio_load $src->[$_], $data[$_]
		756	or Carp::croak "$src->[$_]: $!";
		757	}
		758
		759	# if processing is expensive, check
		760	# checksum first
		761	if (1) {
		762	$md5 =
		763	join "\x00",
		764	$processversion,
		765	map {
		766	cf::cede_to_tick;
		767	($src->[$_], Digest::MD5::md5_hex $data[$_])
		768	} 0.. $#$src;
		769
		770
		771	my $dbmd5 = db_get cache => "$id/md5";
		772	if ($dbmd5 eq $md5) {
		773	db_put cache => "$id/meta", $meta;
		774
		775	return db_get cache => "$id/data";
		776	}
		777	}
		778
		779	my $t1 = Time::HiRes::time;
		780	my $data = $process->(\@data);
		781	my $t2 = Time::HiRes::time;
		782
		783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		784
		785	db_put cache => "$id/data", $data;
		786	db_put cache => "$id/md5" , $md5;
		787	db_put cache => "$id/meta", $meta;
		788
		789	return $data;
		790	}
		791
		792	db_get cache => "$id/data"
397	}	793	}
398		794
399	=item cf::datalog type => key => value, ...	795	=item cf::datalog type => key => value, ...
400		796
401	Log a datalog packet of the given type with the given key-value pairs.	797	Log a datalog packet of the given type with the given key-value pairs.
402		798
403	=cut	799	=cut
404		800
405	sub datalog($@) {	801	sub datalog($@) {
406	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	804	}
409		805
410	=back	806	=back
411		807
412	=cut	808	=cut
413		809
414	#############################################################################	810	#############################################################################
415		811
416	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
417		813
418	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
421		817
422	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	820	Deliantra).
425		821
426	=over 4	822	=over 4
427		823
428	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
429		825
…		…
473	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
474		870
475	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
477		873
478	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
480		876
481	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
482		878
483	=over 4	879	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	988	$registry = $CB_TYPE[$object_type] ||= [];
593		989
594	} elsif ($type eq "subtype") {	990	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	991	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	992	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	993	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		994
599	} elsif ($type eq "package") {	995	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	996	my $pkg = shift @arg;
601		997
602	while (my ($name, $id) = each %cb_id) {	998	while (my ($name, $id) = each %cb_id) {
…		…
607		1003
608	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		1006
611	} elsif (ref $type) {	1007	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
613		1009
614	} else {	1010	} else {
615	shift @arg;	1011	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
617	}	1013	}
618	}	1014	}
619	}	1015	}
620		1016
621	sub _object_attach {	1017	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
632	}	1028	}
633		1029
634	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
635	} else {	1031	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1033	}
638		1034
639	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
640	}	1036	}
641		1037
…		…
643	if (ref $_[0]) {	1039	if (ref $_[0]) {
644	_object_attach @_;	1040	_object_attach @_;
645	} else {	1041	} else {
646	_attach shift->_attach_registry, @_;	1042	_attach shift->_attach_registry, @_;
647	}	1043	}
		1044	_recalc_want;
648	};	1045	};
649		1046
650	# all those should be optimised	1047	# all those should be optimised
651	sub cf::attachable::detach {	1048	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1052	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1053	reattach ($obj);
657	} else {	1054	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1055	Carp::croak "cannot, currently, detach class attachments";
659	}	1056	}
		1057	_recalc_want;
660	};	1058	};
661		1059
662	sub cf::attachable::attached {	1060	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1061	my ($obj, $name) = @_;
664		1062
…		…
679	";	1077	";
680	die if $@;	1078	die if $@;
681	}	1079	}
682		1080
683	our $override;	1081	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1083
686	sub override {	1084	sub override {
687	$override = 1;	1085	$override = 1;
688	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
689	}	1087	}
690		1088
691	sub do_invoke {	1089	sub do_invoke {
692	my $event = shift;	1090	my $event = shift;
693	my $callbacks = shift;	1091	my $callbacks = shift;
694		1092
695	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
696		1094
697	local $override;	1095	local $override;
698		1096
699	for (@$callbacks) {	1097	for (@$callbacks) {
700	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
701		1099
702	if ($@) {	1100	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1102	override;
706	}	1103	}
707		1104
708	return 1 if $override;	1105	return 1 if $override;
709	}	1106	}
710		1107
711	0	1108	0
712	}	1109	}
713		1110
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1112
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1114
718	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
719		1116
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1120
724	=back	1121	=back
725		1122
726	=cut	1123	=cut
727		1124
728	#############################################################################	1125	#############################################################################
729	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
730		1169
731	sub reattach {	1170	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1172	my ($obj) = @_;
734		1173
		1174	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1176
737	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
738		1178
739	@$registry = ();	1179	@$registry = ();
740		1180
…		…
745	for (@$attach) {	1185	for (@$attach) {
746	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
748	}	1188	}
749	} else {	1189	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1191	}
752	}	1192	}
753	}	1193	}
754		1194
755	cf::attachable->attach (	1195	cf::attachable->attach (
756	prio => -1000000,	1196	prio => -1000000,
757	on_instantiate => sub {	1197	on_instantiate => sub {
758	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
759		1199
760	$data = from_json $data;	1200	$data = decode_json $data;
761		1201
762	for (@$data) {	1202	for (@$data) {
763	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
764		1204
765	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1221	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
783		1223
784	sync_job {	1224	sync_job {
785	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
788		1230
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
793	close $fh;	1238	aio_close $fh;
794		1239
795	if (@$objs) {	1240	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
801	close $fh;	1249	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
803	}	1251	}
804	} else {	1252	} else {
805	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
806	}	1254	}
807		1255
808	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1260	} else {
810	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
811	}	1262	}
812	} else {	1263	} else {
813	aio_unlink $filename;	1264	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
815	}	1266	}
816	}	1267	};
817	}	1268	}
818		1269
819	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
821		1272
…		…
833	or return;	1284	or return;
834		1285
835	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
837	or return;	1288	or return;
		1289
838	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
839	}	1292	}
840		1293
		1294	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
843	return ($data, $av);	1299	($data, $av)
844	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
845		1307
846	#############################################################################	1308	#############################################################################
847	# command handling &c	1309	# command handling &c
848		1310
849	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1325	}
864		1326
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1328
867	Register a callbackf ro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
868		1334
869	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
870	called.	1336	called.
871		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
872	=cut	1349	=cut
873		1350
874	sub register_extcmd {	1351	sub register_extcmd {
875	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
876		1353
877	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
878	}	1355	}
879		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
880	cf::player->attach (	1365	cf::player->attach (
881	on_command => sub {	1366	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
883		1368
884	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
885	or return;	1370	or return;
886		1371
…		…
891	cf::override;	1376	cf::override;
892	},	1377	},
893	on_extcmd => sub {	1378	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
895		1380
896	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1382
898	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
904	} else {	1398	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1400	}
907		1401
908	cf::override;	1402	cf::override;
909	},	1403	},
910	);	1404	);
911		1405
		1406	# "readahead" all extensions
912	sub load_extension {	1407	sub cache_extensions {
913	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
914		1409
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1413	}
940	die $@;
941	}	1414	};
942		1415
943	push @EXTS, $pkg;	1416	$grp
944	}	1417	}
945		1418
946	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
947	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1426	next unless -r $path;
949	eval {	1427
950	load_extension $ext;	1428	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1429	my $base = $1;
		1430	my $pkg = $1;
		1431	$pkg =~ s/[^[:word:]]/_/g;
		1432	$pkg = "ext::$pkg";
		1433
		1434	open my $fh, "<:utf8", $path
		1435	or die "$path: $!";
		1436
		1437	my $source = do { local $/; <$fh> };
		1438
		1439	my %ext = (
		1440	path => $path,
		1441	base => $base,
		1442	pkg => $pkg,
		1443	);
		1444
		1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1447
		1448	$ext{source} =
		1449	"package $pkg; use common::sense;\n"
		1450	. "#line 1 \"$path\"\n{\n"
		1451	. $source
		1452	. "\n};\n1";
		1453
		1454	$todo{$base} = \%ext;
		1455	}
		1456
		1457	my $pass = 0;
		1458	my %done;
		1459	while (%todo) {
		1460	my $progress;
		1461
		1462	++$pass;
		1463
		1464	ext:
		1465	while (my ($k, $v) = each %todo) {
		1466	for (split /,\s*/, $v->{meta}{depends}) {
		1467	next ext
		1468	unless exists $done{$_};
		1469	}
		1470
		1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1472
		1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
		1476	error "$v->{path}: $@\n";
		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1479	if exists $v->{meta}{mandatory};
		1480
		1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1482	delete $todo{$k};
		1483	} else {
		1484	$done{$k} = delete $todo{$k};
		1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
		1490	}
951	1	1491	}
952	} or warn "$ext not loaded: $@";	1492
		1493	unless ($progress) {
		1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
		1501	}
953	}	1502	};
954	}	1503	}
955		1504
956	#############################################################################	1505	#############################################################################
957		1506
		1507	=back
		1508
958	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
959		1510
960	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
961		1512
962	=cut	1513	=cut
963		1514
964	package cf::player;	1515	package cf::player;
965		1516
966	use Coro::AIO;	1517	use Coro::AIO;
967		1518
968	=head3 cf::player	1519	=head3 cf::player
969		1520
970	=over 4	1521	=over 4
		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
971		1536
972	=item cf::player::find $login	1537	=item cf::player::find $login
973		1538
974	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
975		1540
…		…
994		1559
995	sub exists($) {	1560	sub exists($) {
996	my ($login) = @_;	1561	my ($login) = @_;
997		1562
998	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
1000	}	1565	}
1001		1566
1002	sub find($) {	1567	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1569	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1580
1016	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1019	}	1590	}
1020	}	1591	}
1021	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1022		1606
1023	sub save($) {	1607	sub save($) {
1024	my ($pl) = @_;	1608	my ($pl) = @_;
1025		1609
1026	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1032		1616
1033	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1035		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1036	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1037	Coro::cede;	1626	cf::cede_to_tick;
1038	}	1627	}
1039		1628
1040	sub new($) {	1629	sub new($) {
1041	my ($login) = @_;	1630	my ($login) = @_;
1042		1631
…		…
1048	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1049		1638
1050	$self	1639	$self
1051	}	1640	}
1052		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1053	=item $pl->quit_character	1652	=item $pl->quit_character
1054		1653
1055	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1057		1656
…		…
1061	my ($pl) = @_;	1660	my ($pl) = @_;
1062		1661
1063	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1064		1663
1065	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1666
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1671	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1672	ext::highscore::check ($pl->ob);
		1673
1071	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1072		1675
1073	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1075	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
…		…
1110	or return [];	1713	or return [];
1111		1714
1112	my @logins;	1715	my @logins;
1113		1716
1114	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1118		1727
1119	utf8::decode $login;	1728	utf8::decode $login;
1120	push @logins, $login;	1729	push @logins, $login;
1121	}	1730	}
1122		1731
1123	\@logins	1732	\@logins
1124	}	1733	}
1125		1734
1126	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1127		1738
1128	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1129	player. May block.	1740	player. May block.
1130		1741
1131	=cut	1742	=cut
…		…
1149	}	1760	}
1150		1761
1151	\@paths	1762	\@paths
1152	}	1763	}
1153		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1154	=item $player->ext_reply ($msgid, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1155		1770
1156	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1157		1772
1158	=cut	1773	=cut
1159		1774
1160	sub ext_reply($$%) {	1775	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1162		1777
1163	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1779	}
1167		1780
1168	=item $player->ext_event ($type, %msg)	1781	=item $player->ext_msg ($type, @msg)
1169		1782
1170	Sends an ext event to the client.	1783	Sends an ext event to the client.
1171		1784
1172	=cut	1785	=cut
1173		1786
1174	sub ext_event($$%) {	1787	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1788	my ($self, $type, @msg) = @_;
1176		1789
1177	$self->ns->ext_event ($type, %msg);	1790	$self->ns->ext_msg ($type, @msg);
1178	}	1791	}
1179		1792
1180	=head3 cf::region	1793	=head3 cf::region
1181		1794
1182	=over 4	1795	=over 4
…		…
1185		1798
1186	package cf::region;	1799	package cf::region;
1187		1800
1188	=item cf::region::find_by_path $path	1801	=item cf::region::find_by_path $path
1189		1802
1190	Tries to decuce the probable region for a map knowing only its path.	1803	Tries to decuce the likely region for a map knowing only its path.
1191		1804
1192	=cut	1805	=cut
1193		1806
1194	sub find_by_path($) {	1807	sub find_by_path($) {
1195	my ($path) = @_;	1808	my ($path) = @_;
1196		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
1197	my ($match, $specificity);	1812	my ($match, $specificity);
1198		1813
1199	for my $region (list) {	1814	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1815	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1816	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1817	if $region->specificity > $specificity;
1203	}	1818	}
1204	}	1819	}
1205		1820
…		…
1226	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1228		1843
1229	sub generate_random_map {	1844	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1231	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1850	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1254		1872
1255	sub register {	1873	sub register {
1256	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	1875	my $pkg = caller;
1258		1876
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		1878
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1880	}
1264		1881
1265	# also paths starting with '/'	1882	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1884
1268	sub thawer_merge {	1885	sub thawer_merge {
1269	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1270		1887
1271	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
1272	local $self->{path};	1889	local $self->{path};
1273	local $self->{load_path};	1890	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1891
1277	$self->SUPER::thawer_merge ($merge);	1892	$self->SUPER::thawer_merge ($merge);
1278	}	1893	}
1279		1894
1280	sub normalise {	1895	sub normalise {
1281	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1282		1897
1283	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1284		1899
1285	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1286		1901
1287	# map plan:	1902	# map plan:
1288	#	1903	#
…		…
1327	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1328	return $self;	1943	return $self;
1329	}	1944	}
1330	}	1945	}
1331		1946
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	1948	()
1334	}	1949	}
1335		1950
1336	sub init {	1951	sub init {
1337	my ($self) = @_;	1952	my ($self) = @_;
…		…
1359		1974
1360	# the temporary/swap location	1975	# the temporary/swap location
1361	sub save_path {	1976	sub save_path {
1362	my ($self) = @_;	1977	my ($self) = @_;
1363		1978
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1980	"$TMPDIR/$path.map"
1366	}	1981	}
1367		1982
1368	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1369	sub uniq_path {	1984	sub uniq_path {
1370	my ($self) = @_;	1985	my ($self) = @_;
1371		1986
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1988	"$UNIQUEDIR/$path"
1374	}	1989	}
1375		1990
1376	# and all this just because we cannot iterate over	1991	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1992	my ($self) = @_;
1380		1993
1381	$_->change_map_light ($change)	1994	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1995
		1996	$self->do_decay_objects;
1383	}	1997	}
1384		1998
1385	sub unlink_save {	1999	sub unlink_save {
1386	my ($self) = @_;	2000	my ($self) = @_;
1387		2001
…		…
1392		2006
1393	sub load_header_from($) {	2007	sub load_header_from($) {
1394	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1395		2009
1396	utf8::encode $path;	2010	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1402		2019
1403	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1404		2021
1405	1	2022	1
1406	}	2023	}
…		…
1445	$self->load_header_orig	2062	$self->load_header_orig
1446	or return;	2063	or return;
1447	$self->prepare_orig;	2064	$self->prepare_orig;
1448	}	2065	}
1449		2066
		2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
		2069
1450	$self->default_region (cf::region::find_by_path $self->{path})	2070	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2071	unless $self->default_region;
1452		2072
1453	1	2073	1
1454	}	2074	}
1455		2075
1456	sub find;	2076	sub find;
1457	sub find {	2077	sub find {
1458	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1459		2079
		2080	cf::cede_to_tick;
		2081
1460	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1461		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2086
1464	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1467	or return;	2089	or return;
1468		2090
1469	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1470		2092
1471	$map->load_header	2093	$map->load_header
1472	or return;	2094	or return;
1473		2095
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1477	$map->reset;	2101	$map->reset;
1478	undef $guard;
1479	return find $path;	2102	return find $path;
1480	}	2103	}
1481		2104
1482	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1483	}	2106	}
1484	}	2107	}
1485		2108
1486	sub pre_load { }	2109	sub pre_load { }
1487	sub post_load { }	2110	#sub post_load { } # XS
1488		2111
1489	sub load {	2112	sub load {
1490	my ($self) = @_;	2113	my ($self) = @_;
1491		2114
1492	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1493		2116
1494	my $path = $self->{path};	2117	my $path = $self->{path};
		2118
		2119	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1496		2121
		2122	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2124
1499	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1500		2126
1501	$self->alloc;	2127	$self->alloc;
1502		2128
1503	$self->pre_load;	2129	$self->pre_load;
1504	Coro::cede;	2130	cf::cede_to_tick;
1505		2131
1506	$self->_load_objects ($self->{load_path}, 1)	2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
		2134	$self->_load_objects ($f)
1507	or return;	2135	or return;
1508		2136
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1510	if delete $self->{load_original};	2138	if delete $self->{load_original};
1511		2139
1512	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2141	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2144	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1517	}	2148	}
1518	}	2149	}
1519		2150
1520	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1521	# now do the right thing for maps	2154	# now do the right thing for maps
1522	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2157	unless $self->difficulty;
1533	Coro::cede;	2158	cf::cede_to_tick;
		2159
		2160	unless ($self->{deny_activate}) {
		2161	$self->decay_objects;
		2162	$self->fix_auto_apply;
		2163	$self->update_buttons;
		2164	cf::cede_to_tick;
1534	$self->activate;	2165	$self->activate;
1535	Coro::cede;	2166	}
		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
		2171	$self->in_memory (cf::MAP_ACTIVE);
1536	}	2172	}
1537		2173
1538	$self->post_load;	2174	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2175	}
1543		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1544	sub customise_for {	2180	sub customise_for {
1545	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1546		2182
1547	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2184	if $self->per_player;
1549		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
1550	$self	2189	$self
1551	}	2190	}
1552		2191
1553	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2193	sub load_neighbours {
1555	my ($map) = @_;	2194	my ($map) = @_;
1556		2195
1557	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1558		2197
1559	for (0 .. 3) {	2198	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1561	or next;	2200	or next;
1562	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1563	or next;	2202	or next;
1564	$neigh->load;	2203	$neigh->load;
1565		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2209	}
1569		2210
1570	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1572	or next;	2214	or next;
1573	$neigh->load;	2215	$neigh->load;
1574	}	2216	}
1575	}	2217	}
1576		2218
1577	sub find_sync {	2219	sub find_sync {
1578	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1579		2221
1580	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1581	}	2226	}
1582		2227
1583	sub do_load_sync {	2228	sub do_load_sync {
1584	my ($map) = @_;	2229	my ($map) = @_;
1585		2230
1586	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1587	}	2235	}
1588		2236
1589	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1591		2239
1592	sub find_async {	2240	sub find_async {
1593	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1594		2242
1595	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1596		2244
1597	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599	}	2247	}
1600		2248
1601	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1602	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1603	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2256	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2257	$map->load if $v;
		2258	}
1608		2259
1609	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1610	}	2261	}
1611	}	2262	}
1612	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1613	};	2264	};
1614	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1615		2266
1616	()	2267	()
1617	}	2268	}
1618		2269
		2270	# common code, used by both ->save and ->swapout
1619	sub save {	2271	sub _save {
1620	my ($self) = @_;	2272	my ($self) = @_;
1621
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;
1623		2273
1624	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1625		2275
1626	return unless $self->dirty;	2276	return unless $self->dirty;
1627		2277
…		…
1633	return if $self->{deny_save};	2283	return if $self->{deny_save};
1634		2284
1635	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1636		2286
1637	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1639	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1640		2293
1641	if ($uniq) {	2294	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2297	} else {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1646	}	2299	}
1647	}	2300	}
1648		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1649	sub swap_out {	2310	sub swap_out {
1650	my ($self) = @_;	2311	my ($self) = @_;
1651		2312
1652	# save first because save cedes
1653	$self->save;
1654
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1657	return if $self->players;	2317	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};
1660		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1661	$self->clear;	2328	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2329	}
1664		2330
1665	sub reset_at {	2331	sub reset_at {
1666	my ($self) = @_;	2332	my ($self) = @_;
1667		2333
1668	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1671		2336
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2339
…		…
1685	my ($self) = @_;	2350	my ($self) = @_;
1686		2351
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2353
1689	return if $self->players;	2354	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2355
1692	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
1693		2357
1694	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1695		2359
1696	# need to save uniques path	2360	# need to save uniques path
1697	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2365	if $uniq;
1702	}	2366	}
1703		2367
1704	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1705		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2372	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2373
1710	$self->unlink_save;	2374	$self->unlink_save;
1711	$self->destroy;	2375	$self->destroy;
1712	}	2376	}
1713		2377
1714	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1715		2379
1716	sub nuke {	2380	sub nuke {
1717	my ($self) = @_;	2381	my ($self) = @_;
1718		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1719	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1720		2387
1721	$self->unlink_save;	2388	$self->unlink_save;
1722		2389
1723	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1724	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2395
1729	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1730		2398
1731	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
		2400	}
		2401
		2402	=item $maps = cf::map::tmp_maps
		2403
		2404	Returns an arrayref with all map paths of currently instantiated and saved
		2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
		2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item $maps = cf::map::random_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	random maps. May block.
		2424
		2425	=cut
		2426
		2427	sub random_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise "?random/$_"
		2433	: ()
		2434	} @{ aio_readdir $RANDOMDIR or [] }
		2435	]
1732	}	2436	}
1733		2437
1734	=item cf::map::unique_maps	2438	=item cf::map::unique_maps
1735		2439
1736	Returns an arrayref of paths of all shared maps that have	2440	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2441	instantiated unique items. May block.
1738		2442
1739	=cut	2443	=cut
1740		2444
1741	sub unique_maps() {	2445	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2446	[
1743	or return;	2447	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2448	utf8::decode $_;
1749	next if /\.pst$/;	2449	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2451	? ()
1752	push @paths, cf::map::normalise $_;	2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2454	]
1754
1755	\@paths
1756	}	2455	}
1757		2456
1758	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
1759		2488
1760	=back	2489	=back
1761		2490
1762	=head3 cf::object	2491	=head3 cf::object
1763		2492
…		…
1767		2496
1768	=over 4	2497	=over 4
1769		2498
1770	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1771		2500
1772	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
1773		2503
1774	=cut	2504	=cut
1775		2505
1776	sub inv_recursive_;	2506	sub inv_recursive_;
1777	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1780		2510
1781	sub inv_recursive {	2511	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1783	}	2513	}
1784		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
1785	package cf;	2543	package cf;
1786		2544
1787	=back	2545	=back
1788		2546
1789	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1795	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
1797	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1798		2556
1799	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
1800		2572
1801	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2574	# with dialog boxes.
1803	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
1804	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1806		2578
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2580
1809	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1811	} else {	2584	} else {
		2585	my $pl = $self->contr;
		2586
		2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2588	my $dialog = $pl->{npc_dialog};
		2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2590
		2591	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1814	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
1815	}	2606	}
1816		2607
1817	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1818		2609
1819	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1832		2623
1833	=item $player_object->enter_link	2624	=item $player_object->enter_link
1834		2625
1835	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
1836		2627
1837	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
1838	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
1839		2632
1840	Will never block.	2633	Will never block.
1841		2634
1842	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1843		2636
…		…
1863	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1864	my ($self) = @_;	2657	my ($self) = @_;
1865		2658
1866	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1867		2660
		2661	++$self->{_link_recursion};
		2662
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2664
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1872		2667
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1874	}	2669	}
1875		2670
1876	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1878		2675
1879	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1880		2677
1881	unless ($map) {	2678	unless ($map) {
1882	# restore original map position	2679	# restore original map position
…		…
1893	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1894	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1895		2692
1896	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1899		2696
1900	$map->load;	2697	$map->load;
1901	$map->load_diag;	2698	$map->load_neighbours;
1902		2699
1903	return unless $self->contr->active;	2700	return unless $self->contr->active;
1904	$self->activate_recursive;
1905		2701
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
1908	}	2704	# entering was successful
1909		2705	delete $self->{_link_recursion};
1910	cf::player->attach (	2706	# only activate afterwards, to support waiting in hooks
1911	on_logout => sub {	2707	$self->activate_recursive;
1912	my ($pl) = @_;
1913
1914	# abort map switching before logout
1915	if ($pl->ob->{_link_pos}) {
1916	cf::sync_job {
1917	$pl->ob->leave_link
1918	};
1919	}
1920	},	2708	}
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2709
1924	# try to abort aborted map switching on player login :)	2710	}
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941		2711
1942	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1943		2713
		2714	Moves the player to the given map-path and coordinates by first freezing
		2715	her, loading and preparing them map, calling the provided $check callback
		2716	that has to return the map if sucecssful, and then unfreezes the player on
		2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
1944	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1945		2726
1946	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
		2736	# do generation counting so two concurrent goto's will be executed in-order
		2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2738
1949	$self->enter_link;	2739	$self->enter_link;
1950		2740
1951	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
1952	my $map = eval {	2763	my $map = eval {
1953	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
		2765
		2766	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2767	$map = $map->customise_for ($self);
		2768	$map = $check->($map, $x, $y, $self) if $check && $map;
		2769	} else {
		2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772
1955	$map	2773	$map
		2774	};
		2775
		2776	if ($@) {
		2777	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2779	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2780
		2781	if ($gen == $self->{_goto_generation}) {
		2782	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1960	})->prio (1);	2787	})->prio (1);
1961	}	2788	}
1962		2789
1963	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1964		2791
…		…
1984	}	2811	}
1985		2812
1986	sub prepare_random_map {	2813	sub prepare_random_map {
1987	my ($exit) = @_;	2814	my ($exit) = @_;
1988		2815
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2818	# that depends on the exit object
1994		2819
1995	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2822	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
2002	}	2829	}
2003		2830
2004	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
2005		2832
2006	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
2009		2836
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2839	undef $fh;
2013	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
2014		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
2017	}	2848	}
2018	}	2849	}
2019		2850
2020	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2022		2853
2023	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2024		2855
2025	if ($exit->slaying eq "/!") {
2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
2027	# the problem is that $exit might not survive long enough
2028	# so it needs to be done right now, right here
2029	cf::sync_job { prepare_random_map $exit };
2030	}
2031
2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;
2035
2036	$self->enter_link;	2856	$self->enter_link;
2037		2857
2038	(async {	2858	(async {
2039	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2040	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
2041	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2042		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
2043	1;	2882	1
2044	}) {	2883	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
2047	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2888
2050	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2051	$self->leave_link;	2890	$self->leave_link;
2052	}	2891	}
2053	})->prio (1);	2892	})->prio (1);
2054	}	2893	}
2055		2894
…		…
2069		2908
2070	utf8::encode $text;	2909	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2911	}
2073		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
2074	=item $client->ext_event ($type, %msg)	3100	=item $client->ext_msg ($type, @msg)
2075		3101
2076	Sends an exti event to the client.	3102	Sends an ext event to the client.
2077		3103
2078	=cut	3104	=cut
2079		3105
2080	sub cf::client::ext_event($$%) {	3106	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	3107	my ($self, $type, @msg) = @_;
2082		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	3112	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
2085	}	3133	}
2086		3134
2087	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2088		3136
2089	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		3140
2093	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	3142	become reliable at some point in the future.
2095		3143
2096	=cut	3144	=cut
2097		3145
2098	sub cf::client::query {	3146	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	3155	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		3157
2110	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
2112	}	3162	}
2113		3163
2114	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
2115	on_reply => sub {	3170	on_reply => sub {
2116	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2117		3172
2118	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2119	# get handled first	3174	# get handled first
…		…
2131	} else {	3186	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	3188	}
2134	}	3189	}
2135	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
2136	);	3217	);
2137		3218
2138	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2139		3220
2140	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2156		3237
2157	$coro	3238	$coro
2158	}	3239	}
2159		3240
2160	cf::client->attach (	3241	cf::client->attach (
2161	on_destroy => sub {	3242	on_client_destroy => sub {
2162	my ($ns) = @_;	3243	my ($ns) = @_;
2163		3244
2164	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2165	},	3246	},
2166	);	3247	);
…		…
2181	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2183		3264
2184	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2185		3266
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2187		3272
2188	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2189		3274
2190	=pod	3275	=pod
2191		3276
2192	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2193		3278
2194	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2195	cf::object::player player	3284	cf::object::player
2196	cf::player peaceful	3285	player
2197	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2198		3292
2199	=cut	3293	=cut
2200		3294
2201	for (	3295	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2203	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2205	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2206	) {	3302	) {
2207	no strict 'refs';
2208	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2209	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2210	for @funs;	3305	for @funs;
2211	}	3306	}
2212		3307
…		…
2227		3322
2228	my $qcode = $code;	3323	my $qcode = $code;
2229	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2230	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2231		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2232	local $_;	3330	local $_;
2233	local @safe::cf::_safe_eval_args = values %vars;
2234		3331
2235	my $eval =	3332	my $eval =
2236	"do {\n"	3333	"do {\n"
2237	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2238	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2239	. $code	3336	. $code
2240	. "\n}"	3337	. "\n}"
2241	;	3338	;
2242		3339
		3340	if ($CFG{safe_eval}) {
2243	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2244	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2245	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2246		3349
2247	if ($@) {	3350	if ($@) {
2248	warn "$@";	3351	warn "$@",
2249	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2250	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2251	}	3354	}
2252		3355
2253	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2254	}	3357	}
2255		3358
…		…
2269	=cut	3372	=cut
2270		3373
2271	sub register_script_function {	3374	sub register_script_function {
2272	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2273		3376
2274	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2275	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2276	}	3379	}
2277		3380
2278	=back	3381	=back
2279		3382
2280	=cut	3383	=cut
2281
2282	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454		3384
2455	#############################################################################	3385	#############################################################################
2456	# the server's init and main functions	3386	# the server's init and main functions
2457		3387
2458	sub load_facedata($) {	3388	sub load_facedata($) {
2459	my ($path) = @_;	3389	my ($path) = @_;
2460		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3396
2461	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2462		3398
2463	my $facedata;
2464	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2465	or die "$path: $!";	3400	or die "$path: $!";
2466		3401
2467	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2468		3403
2469	$facedata->{version} == 2	3404	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3406
		3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3409	$facedata->{resource}{"res/exp_table"} = {
		3410	type => FT_RSRC,
		3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
		3413	};
		3414	cf::cede_to_tick;
		3415
2472	{	3416	{
2473	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2474		3418
2475	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2480	Coro::cede;	3426
		3427	cf::cede_to_tick;
2481	}	3428	}
2482		3429
2483	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2485	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2486	or next;	3434	or next;
		3435
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3439	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3441	}
2492	Coro::cede;	3442
		3443	cf::cede_to_tick;
2493	}	3444	}
2494	}	3445	}
2495		3446
2496	{	3447	{
2497	my $anims = $facedata->{animinfo};	3448	my $anims = $facedata->{animinfo};
2498		3449
2499	while (my ($anim, $info) = each %$anims) {	3450	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3452	cf::cede_to_tick;
2502	}	3453	}
2503		3454
2504	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2505	}	3456	}
2506		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
2507	1	3477	1
2508	}	3478	}
2509		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
2510	sub reload_regions {	3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
2511	load_resource_file "$MAPDIR/regions"	3503	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
2513	}	3510	}
2514		3511
2515	sub reload_facedata {	3512	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3513	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3514	or die "unable to load facedata\n";
…		…
2525	sub reload_treasures {	3522	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3523	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2528	}	3525	}
2529		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
2530	sub reload_resources {	3550	sub reload_resources {
2531	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2532		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2533	reload_regions;	3558	reload_regions;
2534	reload_facedata;
2535	reload_archetypes;
2536	reload_treasures;	3559	reload_treasures;
2537		3560
2538	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2539	}	3562	}
2540		3563
2541	sub init {	3564	sub reload_config {
2542	reload_resources;	3565	trace "reloading config file...\n";
2543	}
2544		3566
2545	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3568	or die "$CONFDIR/config: $!";
2547	or return;
2548		3569
2549	local $/;	3570	utf8::decode $config;
2550	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
2551		3572
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2553		3574
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2556		3577
2557	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2561	};	3582	};
2562	warn $@ if $@;	3583	warn $@ if $@;
2563	}	3584	}
2564	}	3585	}
2565		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2566	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2567	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3628	(async {
2571	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2573	};	3632	};
2574		3633
2575	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
2576	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2577	load_extensions;	3657	load_extensions;
2578		3658
2579	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2580	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2581	}	3677	}
2582		3678
2583	#############################################################################	3679	#############################################################################
2584	# initialisation and cleanup	3680	# initialisation and cleanup
2585		3681
2586	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2587	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2596	},
2597	);	3688	};
		3689	}
		3690	}
		3691
		3692	sub write_runtime_sync {
		3693	my $t0 = AE::time;
		3694
		3695	# first touch the runtime file to show we are still running:
		3696	# the fsync below can take a very very long time.
		3697
		3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3699
		3700	my $guard = cf::lock_acquire "write_runtime";
		3701
		3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3703	or return;
		3704
		3705	my $value = $cf::RUNTIME + 90 + 10;
		3706	# 10 is the runtime save interval, for a monotonic clock
		3707	# 60 allows for the watchdog to kill the server.
		3708
		3709	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3710	and return;
		3711
		3712	# always fsync - this file is important
		3713	aio_fsync $fh
		3714	and return;
		3715
		3716	# touch it again to show we are up-to-date
		3717	aio_utime $fh, undef, undef;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3723	and return;
		3724
		3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3726
2598	}	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2599	}	3778	}
2600		3779
2601	sub emergency_save() {	3780	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2603		3782
2604	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2605		3789
2606	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2607	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2608	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2609	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2611	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3801	$pl->save;
2615	}	3802	}
2616	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2617		3804
2618	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2619	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2620	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2621	$map->valid or next;	3810	$map->valid or next;
2622	$map->save;	3811	$map->save;
2623	}	3812	}
2624	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2625		3814
2626	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2629	};	3843	};
2630		3844
2631	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2632	}	3846	}
2633		3847
2634	sub post_cleanup {	3848	sub post_cleanup {
2635	my ($make_core) = @_;	3849	my ($make_core) = @_;
2636		3850
		3851	IO::AIO::flush;
		3852
2637	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2638	if $make_core;	3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
2639	}	3883	}
2640		3884
2641	sub do_reload_perl() {	3885	sub do_reload_perl() {
2642	# can/must only be called in main	3886	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2644	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2645	return;	3889	return;
2646	}	3890	}
2647		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2648	warn "reloading...";	3898	info "reloading...";
2649		3899
2650	warn "entering sync_job";	3900	trace "entering sync_job";
2651		3901
2652	cf::sync_job {	3902	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark
2654	cf::emergency_save;	3903	#cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark
2656		3904
2657	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;
2659
2660	# if anything goes wrong in here, we should simply crash as we already saved
2661
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";
2668	for (;;) {
2669	BDB::flush;
2670	IO::AIO::flush;
2671	Coro::cede;
2672	last unless IO::AIO::nreqs || BDB::nreqs;
2673	warn "iterate...";
2674	}
2675
2676	++$RELOAD;
2677
2678	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2679	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2680	%EXT_CORO = ();	3907	%EXT_CORO = ();
2681		3908
2682	warn "removing commands";	3909	trace "removing commands";
2683	%COMMAND = ();	3910	%COMMAND = ();
2684		3911
2685	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2686	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2687		3915
2688	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2691		3919
2692	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2693	eval {	3921	eval {
2694	$cb->($pkg);	3922	$cb->($pkg);
2695	1	3923	1
2696	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2697	}	3929	}
2698		3930
2699	warn "... nuking $pkg";
2700	Symbol::delete_package $pkg;
2701	}
2702
2703	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2704	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		3934
2707	warn "... unloading $k";	3935	trace "... unloading $k";
2708	delete $INC{$k};	3936	delete $INC{$k};
2709		3937
2710	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2712		3940
2713	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2714	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2715	}	3946	}
2716		3947
2717	Symbol::delete_package $k;
2718	}
2719
2720	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723		3951
2724	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2727		3955
2728	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2729	# and global variables created in xs	3957	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2731		3959
2732	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2733		3961
2734	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2735	require cf;	3963	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2737		3965
2738	warn "loading config and database again";	3966	trace "loading config and database again";
2739	cf::cfg_load;	3967	cf::reload_config;
2740		3968
2741	warn "loading extensions";	3969	trace "loading extensions";
2742	cf::load_extensions;	3970	cf::load_extensions;
2743		3971
		3972	if ($REATTACH_ON_RELOAD) {
2744	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2747	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
2750		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
2751	warn "leaving sync_job";	3984	trace "leaving sync_job";
2752		3985
2753	1	3986	1
2754	} or do {	3987	} or do {
2755	warn $@;	3988	error $@;
2756	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
2757	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
2758	};	3994	}
2759		3995
2760	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
2761	};	3998	};
2762		3999
2763	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
2764		4001
2765	sub reload_perl() {	4002	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
2768		4005
2769	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
2770	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
2771	after => 0,	4008
2772	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2773	cb => sub {
2774	do_reload_perl;	4010	do_reload_perl;
2775	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
2776	},	4012	};
2777	);	4013	};
2778	}	4014	}
2779		4015
2780	register_command "reload" => sub {	4016	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2782		4018
2783	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	4023	reload_perl;
		4024	};
2786	}	4025	}
2787	};	4026	};
2788		4027
2789	unshift @INC, $LIBDIR;	4028	#############################################################################
2790		4029
2791	my $bug_warning = 0;	4030	my $bug_warning = 0;
2792		4031
2793	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
2795		4034
2796	sub wait_for_tick {	4035	sub wait_for_tick() {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2799		4037
2800	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	4040	$signal->wait;
2803	}	4041	}
2804		4042
2805	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2808		4045
2809	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	4048	$signal->wait;
2812	}	4049	}
2813		4050
2814	$TICK_WATCHER = Event->timer (	4051	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2824	return;	4055	return;
2825	}	4056	}
2826		4057
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2830		4059
2831	$RUNTIME += $TICK;	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2832	$NEXT_TICK += $TICK;
2833		4061
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	4064	Coro::async_pool {
		4065	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	4066	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	4067	or error "ERROR: unable to write runtime file: $!";
2839	};
2840	}	4068	};
		4069	}
2841		4070
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	4072	$sig->send;
2853	}	4073	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	4075	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	4076	}
2860	);	4077
		4078	$LOAD = ($NOW - $TICK_START) / $TICK;
		4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4080
		4081	if (0) {
		4082	if ($NEXT_TICK) {
		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
		4087	}
		4088	}
2861		4089
2862	{	4090	{
2863	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	4092
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
2873		4094	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		4096
2889	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		4104
2892	cf::sync_job {	4105	cf::sync_job {
2893	eval {	4106	eval {
2894	BDB::db_env_open	4107	BDB::db_env_open
2895	$DB_ENV,	4108	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	4112	0666;
2900		4113
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	4115	};
2906		4116
2907	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	4118	};
2909	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
2910	}	4130	}
2911		4131
2912	{	4132	{
		4133	# configure IO::AIO
		4134
2913	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	4138	}
2919	data => WF_AUTOCANCEL,	4139
2920	fd => IO::AIO::poll_fileno,	4140	my $_log_backtrace;
2921	poll => 'r',	4141
2922	prio => 6,	4142	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	4143	my ($msg, @addr) = @_;
2924	);	4144
		4145	$msg =~ s/\n//;
		4146
		4147	# limit the # of concurrent backtraces
		4148	if ($_log_backtrace < 2) {
		4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
		4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
		4154	my @bt = fork_call {
		4155	@addr = map { sprintf "%x", $_ } @addr;
		4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4158	or die "addr2line: $!";
		4159
		4160	my @funcs;
		4161	my @res = <$fh>;
		4162	chomp for @res;
		4163	while (@res) {
		4164	my ($func, $line) = splice @res, 0, 2, ();
		4165	push @funcs, "[$func] $line";
		4166	}
		4167
		4168	@funcs
		4169	};
		4170
		4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4173	LOG llevInfo, "[ABT] $_\n" for @bt;
		4174	--$_log_backtrace;
		4175	};
		4176	} else {
		4177	LOG llevInfo, "[ABT] $msg\n";
		4178	LOG llevInfo, "[ABT] [suppressed]\n";
		4179	}
2925	}	4180	}
2926		4181
2927	# load additional modules	4182	# load additional modules
2928	use cf::pod;	4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
2929		4185
2930	END { cf::emergency_save }	4186	END { cf::emergency_save }
2931		4187
2932	1	4188	1
2933		4189

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