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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 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
48		80
49	our %COMMAND = ();	81	our %COMMAND = ();
50	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
51		83
52	our @EXTS = (); # list of extension package names	84	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
56		89
57	our $RELOAD; # number of reloads so far	90	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	91	our @EVENT;
		92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
59		94
60	our $CONFDIR = confdir;	95	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	96	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	97	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	98	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	99	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	100	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	104	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
71		116
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	117	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	118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	119	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
82		128
83	our %CFG;	129	our %CFG;
84		130
85	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
87		134
88	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	137	our $LINK_MAP; # the special {link} map, which is always available
91		138
92	# used to convert map paths into valid unix filenames by replacing / by ∕	139	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		141
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
98		151
99	binmode STDOUT;	152	binmode STDOUT;
100	binmode STDERR;	153	binmode STDERR;
101		154
102	# read virtual server time, if available	155	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	157	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
107	}	160	}
		161
		162	eval "sub TICK() { $TICK } 1" or die;
108		163
109	mkdir $_	164	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		166
112	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
113		168
114	sub cf::map::normalise;	169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		185
116	#############################################################################	186	#############################################################################
117		187
118	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
119		189
…		…
155		225
156	The raw value load value from the last tick.	226	The raw value load value from the last tick.
157		227
158	=item %cf::CFG	228	=item %cf::CFG
159		229
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	231	from wherever your confdir points to.
162		232
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		234
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	235	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	236	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	237	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
		250
169	=back	251	=back
170		252
171	=cut	253	=cut
172		254
173	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	262	my $msg = join "", @_;
176		263
177	$msg .= "\n"	264	$msg .= "\n"
178	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
179		266
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		268
182	utf8::encode $msg;
183	LOG llevError, $msg;	269	LOG llevWarn, $msg;
184	};	270	};
185	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
186		285
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	290	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		291	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	292	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		293
194	# we bless all objects into (empty) derived classes to force a method lookup	294	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	295	# within the Safe compartment.
196	for my $pkg (qw(	296	for my $pkg (qw(
197	cf::global cf::attachable	297	cf::global cf::attachable
198	cf::object cf::object::player	298	cf::object cf::object::player
199	cf::client cf::player	299	cf::client cf::player
200	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
201	cf::map cf::party cf::region	302	cf::party cf::region
202	)) {	303	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	305	}
206		306
207	$Event::DIED = sub {	307	$EV::DIED = sub {
208	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
209	};	309	};
		310
		311	#############################################################################
210		312
211	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
212		314
213	=over 4	315	=over 4
214		316
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	336	$d
235	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
236	}	338	}
237		339
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
241		341
242	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
243		343
244	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
245		345
246	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
247		347
		348	=cut
		349
		350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		351
		352	sub encode_json($) { $json_coder->encode ($_[0]) }
		353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
		367	}
		368
248	=item cf::lock_wait $string	369	=item cf::lock_wait $string
249		370
250	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
251		372
252	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
253		374
254	Wait until the given lock is available and then acquires it and returns	375	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	376	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
257	returned.	378	returned.
258		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
259	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
261		385
262	=item $locked = cf::lock_active $string	386	=item $locked = cf::lock_active $string
263		387
264	Return true if the lock is currently active, i.e. somebody has locked it.	388	Return true if the lock is currently active, i.e. somebody has locked it.
265		389
266	=cut	390	=cut
267		391
268	our %LOCK;	392	our $LOCKS = new Coro::SemaphoreSet;
269		393
270	sub lock_wait($) {	394	sub lock_wait($) {
271	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	396	}
279		397
280	sub lock_acquire($) {	398	sub lock_acquire($) {
281	my ($key) = @_;	399	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	400	}
293		401
294	sub lock_active($) {	402	sub lock_active($) {
295	my ($key) = @_;	403	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	404	}
299		405
300	sub freeze_mainloop {	406	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
302		408
303	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	410	}
		411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
305	};	476	}
306	$TICK_WATCHER->stop;	477	};
307	$guard	478
		479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
308	}	492	}
309		493
310	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
311		495
312	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		501
318	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
319		503
320	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
321		505
322	The design of crossfire+ requires that the main coro ($Coro::main) is	506	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	507	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		509	acceptable.
325		510
326	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	513	server will be frozen during this time, so the block should either finish
329	fast or be very important.	514	fast or be very important.
…		…
331	=cut	516	=cut
332		517
333	sub sync_job(&) {	518	sub sync_job(&) {
334	my ($job) = @_;	519	my ($job) = @_;
335		520
336	if ($Coro::current == $Coro::main) {	521	if (in_main) {
337	my $time = Event::time;	522	my $time = AE::time;
338		523
339	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
341		526
342	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	528
344	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
345		530
346	my $busy = 1;	531	my $busy = 1;
347	my @res;	532	my @res;
348		533
349	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	536	@res = eval { $job->() };
351	warn $@ if $@;	537	error $@ if $@;
352	undef $busy;	538	undef $busy;
353	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
354		540
355	while ($busy) {	541	while ($busy) {
356	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
357	}	546	}
		547	}
358		548
359	$time = Event::time - $time;	549	my $time = AE::time - $time;
360		550
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	551	$TICK_START += $time; # do not account sync jobs to server load
365		552
366	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
367	} else {	554	} else {
368	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
369		556
…		…
389	$EXT_CORO{$coro+0} = $coro;	576	$EXT_CORO{$coro+0} = $coro;
390		577
391	$coro	578	$coro
392	}	579	}
393		580
394	sub write_runtime {	581	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		582
397	# first touch the runtime file to show we are still running:	583	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	584	process, returning the results. Everything must be serialisable with
		585	Coro::Storable. May, of course, block. Note that the executed sub may
		586	never block itself or use any form of event handling.
399		587
400	IO::AIO::aio_utime $runtime, undef, undef;	588	=cut
401		589
402	my $guard = cf::lock_acquire "write_runtime";	590	sub fork_call(&@) {
		591	my ($cb, @args) = @_;
403		592
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	593	# we seemingly have to make a local copy of the whole thing,
405	or return;	594	# otherwise perl prematurely frees the stuff :/
		595	# TODO: investigate and fix (likely this will be rather laborious)
406		596
407	my $value = $cf::RUNTIME + 90 + 10;	597	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	598	reset_signals;
409	# 60 allows for the watchdog to kill the server.	599	&$cb
		600	}, @args;
410		601
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	602	wantarray ? @res : $res[-1]
412	and return;	603	}
413		604
414	# always fsync - this file is important	605	sub objinfo {
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
		641	}
		642
		643	=item $value = cf::db_get $family => $key
		644
		645	Returns a single value from the environment database.
		646
		647	=item cf::db_put $family => $key => $value
		648
		649	Stores the given C<$value> in the family. It can currently store binary
		650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
		657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
		678
		679	our $DB;
		680
		681	sub db_init {
		682	$DB ||= db_table "db";
		683	}
		684
		685	sub db_get($$) {
		686	my $key = "$_[0]/$_[1]";
		687
		688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
		691	BDB::db_get $DB, undef, $key, my $data;
		692
		693	$! ? ()
		694	: $data
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
430	}	770	}
431		771
432	=item cf::datalog type => key => value, ...	772	=item cf::datalog type => key => value, ...
433		773
434	Log a datalog packet of the given type with the given key-value pairs.	774	Log a datalog packet of the given type with the given key-value pairs.
435		775
436	=cut	776	=cut
437		777
438	sub datalog($@) {	778	sub datalog($@) {
439	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	781	}
442		782
443	=back	783	=back
444		784
445	=cut	785	=cut
446		786
447	#############################################################################	787	#############################################################################
448		788
449	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
450		790
451	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
452	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
454		794
455	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	797	Deliantra).
458		798
459	=over 4	799	=over 4
460		800
461	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
462		802
…		…
506	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
507		847
508	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
510		850
511	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
512	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
513		853
514	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
515		855
516	=over 4	856	=over 4
…		…
640		980
641	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		983
644	} elsif (ref $type) {	984	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
646		986
647	} else {	987	} else {
648	shift @arg;	988	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
650	}	990	}
651	}	991	}
652	}	992	}
653		993
654	sub _object_attach {	994	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
665	}	1005	}
666		1006
667	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
668	} else {	1008	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1010	}
671		1011
672	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
673	}	1013	}
674		1014
…		…
714	";	1054	";
715	die if $@;	1055	die if $@;
716	}	1056	}
717		1057
718	our $override;	1058	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1060
721	sub override {	1061	sub override {
722	$override = 1;	1062	$override = 1;
723	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
724	}	1064	}
725		1065
726	sub do_invoke {	1066	sub do_invoke {
727	my $event = shift;	1067	my $event = shift;
728	my $callbacks = shift;	1068	my $callbacks = shift;
729		1069
730	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
731		1071
732	local $override;	1072	local $override;
733		1073
734	for (@$callbacks) {	1074	for (@$callbacks) {
735	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
736		1076
737	if ($@) {	1077	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1079	override;
741	}	1080	}
742		1081
743	return 1 if $override;	1082	return 1 if $override;
744	}	1083	}
745		1084
746	0	1085	0
747	}	1086	}
748		1087
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1089
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1091
753	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
754		1093
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1097
759	=back	1098	=back
760		1099
761	=cut	1100	=cut
762		1101
763	#############################################################################	1102	#############################################################################
764	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
765		1146
766	sub reattach {	1147	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1149	my ($obj) = @_;
769		1150
		1151	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1153
772	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
773		1155
774	@$registry = ();	1156	@$registry = ();
775		1157
…		…
780	for (@$attach) {	1162	for (@$attach) {
781	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
783	}	1165	}
784	} else {	1166	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1168	}
787	}	1169	}
788	}	1170	}
789		1171
790	cf::attachable->attach (	1172	cf::attachable->attach (
791	prio => -1000000,	1173	prio => -1000000,
792	on_instantiate => sub {	1174	on_instantiate => sub {
793	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
794		1176
795	$data = from_json $data;	1177	$data = decode_json $data;
796		1178
797	for (@$data) {	1179	for (@$data) {
798	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
799		1181
800	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1198	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
818		1200
819	sync_job {	1201	sync_job {
820	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
823		1207
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
828	close $fh;	1215	aio_close $fh;
829		1216
830	if (@$objs) {	1217	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
836	close $fh;	1226	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
838	}	1228	}
839	} else {	1229	} else {
840	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
841	}	1231	}
842		1232
843	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1237	} else {
845	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
846	}	1239	}
847	} else {	1240	} else {
848	aio_unlink $filename;	1241	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
850	}	1243	}
851	}	1244	};
852	}	1245	}
853		1246
854	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
856		1249
…		…
868	or return;	1261	or return;
869		1262
870	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
872	or return;	1265	or return;
		1266
873	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
874	}	1269	}
875		1270
		1271	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
878	return ($data, $av);	1276	($data, $av)
879	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
880		1284
881	#############################################################################	1285	#############################################################################
882	# command handling &c	1286	# command handling &c
883		1287
884	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1302	}
899		1303
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1305
902	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
903		1311
904	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
905	called.	1313	called.
906		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
907	=cut	1326	=cut
908		1327
909	sub register_extcmd {	1328	sub register_extcmd {
910	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
911		1330
912	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
913	}	1332	}
914		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
915	cf::player->attach (	1342	cf::player->attach (
916	on_command => sub {	1343	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
918		1345
919	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
920	or return;	1347	or return;
921		1348
…		…
926	cf::override;	1353	cf::override;
927	},	1354	},
928	on_extcmd => sub {	1355	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
930		1357
931	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1359
933	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
939	} else {	1375	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1377	}
942		1378
943	cf::override;	1379	cf::override;
944	},	1380	},
945	);	1381	);
946		1382
		1383	# "readahead" all extensions
947	sub load_extension {	1384	sub cache_extensions {
948	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
949		1386
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1390	}
975	die $@;
976	}	1391	};
977		1392
978	push @EXTS, $pkg;	1393	$grp
979	}	1394	}
980		1395
981	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
982	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1403	next unless -r $path;
984	eval {	1404
985	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use common::sense;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1457	if exists $v->{meta}{mandatory};
		1458
		1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1460	delete $todo{$k};
		1461	} else {
		1462	$done{$k} = delete $todo{$k};
		1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
		1468	}
986	1	1469	}
987	} or warn "$ext not loaded: $@";	1470
		1471	unless ($progress) {
		1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
		1479	}
988	}	1480	};
989	}	1481	}
990		1482
991	#############################################################################	1483	#############################################################################
992		1484
		1485	=back
		1486
993	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
994		1488
995	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
996		1490
997	=cut	1491	=cut
998		1492
999	package cf::player;	1493	package cf::player;
1000		1494
1001	use Coro::AIO;	1495	use Coro::AIO;
1002		1496
1003	=head3 cf::player	1497	=head3 cf::player
1004		1498
1005	=over 4	1499	=over 4
		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
1006		1514
1007	=item cf::player::find $login	1515	=item cf::player::find $login
1008		1516
1009	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
1010		1518
…		…
1029		1537
1030	sub exists($) {	1538	sub exists($) {
1031	my ($login) = @_;	1539	my ($login) = @_;
1032		1540
1033	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
1035	}	1543	}
1036		1544
1037	sub find($) {	1545	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1547	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1557	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1558
1051	my $pl = load_pl path $login	1559	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
1054	}	1568	}
1055	}	1569	}
1056	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
1057		1584
1058	sub save($) {	1585	sub save($) {
1059	my ($pl) = @_;	1586	my ($pl) = @_;
1060		1587
1061	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1067		1594
1068	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1070		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
1071	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1072	Coro::cede;	1604	cf::cede_to_tick;
1073	}	1605	}
1074		1606
1075	sub new($) {	1607	sub new($) {
1076	my ($login) = @_;	1608	my ($login) = @_;
1077		1609
…		…
1083	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1084		1616
1085	$self	1617	$self
1086	}	1618	}
1087		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
1088	=item $pl->quit_character	1630	=item $pl->quit_character
1089		1631
1090	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1092		1634
…		…
1096	my ($pl) = @_;	1638	my ($pl) = @_;
1097		1639
1098	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1099		1641
1100	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1644
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1107		1650
1108	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1688	or return [];
1146		1689
1147	my @logins;	1690	my @logins;
1148		1691
1149	for my $login (@$dirs) {	1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1153		1702
1154	utf8::decode $login;	1703	utf8::decode $login;
1155	push @logins, $login;	1704	push @logins, $login;
1156	}	1705	}
1157		1706
1158	\@logins	1707	\@logins
1159	}	1708	}
1160		1709
1161	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1162		1713
1163	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1164	player. May block.	1715	player. May block.
1165		1716
1166	=cut	1717	=cut
…		…
1184	}	1735	}
1185		1736
1186	\@paths	1737	\@paths
1187	}	1738	}
1188		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1189	=item $player->ext_reply ($msgid, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1190		1745
1191	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1192		1747
1193	=cut	1748	=cut
1194		1749
1195	sub ext_reply($$%) {	1750	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1197		1752
1198	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1754	}
1202		1755
1203	=item $player->ext_event ($type, %msg)	1756	=item $player->ext_msg ($type, @msg)
1204		1757
1205	Sends an ext event to the client.	1758	Sends an ext event to the client.
1206		1759
1207	=cut	1760	=cut
1208		1761
1209	sub ext_event($$%) {	1762	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1763	my ($self, $type, @msg) = @_;
1211		1764
1212	$self->ns->ext_event ($type, %msg);	1765	$self->ns->ext_msg ($type, @msg);
1213	}	1766	}
1214		1767
1215	=head3 cf::region	1768	=head3 cf::region
1216		1769
1217	=over 4	1770	=over 4
…		…
1220		1773
1221	package cf::region;	1774	package cf::region;
1222		1775
1223	=item cf::region::find_by_path $path	1776	=item cf::region::find_by_path $path
1224		1777
1225	Tries to decuce the probable region for a map knowing only its path.	1778	Tries to decuce the likely region for a map knowing only its path.
1226		1779
1227	=cut	1780	=cut
1228		1781
1229	sub find_by_path($) {	1782	sub find_by_path($) {
1230	my ($path) = @_;	1783	my ($path) = @_;
1231		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
1232	my ($match, $specificity);	1787	my ($match, $specificity);
1233		1788
1234	for my $region (list) {	1789	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1790	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1791	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1792	if $region->specificity > $specificity;
1238	}	1793	}
1239	}	1794	}
1240		1795
…		…
1261	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1263		1818
1264	sub generate_random_map {	1819	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1823
1266	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1825	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1289		1847
1290	sub register {	1848	sub register {
1291	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	1850	my $pkg = caller;
1293		1851
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		1853
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	1855	}
1299		1856
1300	# also paths starting with '/'	1857	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		1859
1303	sub thawer_merge {	1860	sub thawer_merge {
1304	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1305		1862
1306	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1307	local $self->{path};	1864	local $self->{path};
1308	local $self->{load_path};	1865	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1866
1312	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1313	}	1868	}
1314		1869
1315	sub normalise {	1870	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1363	return $self;	1918	return $self;
1364	}	1919	}
1365	}	1920	}
1366		1921
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1923	()
1369	}	1924	}
1370		1925
1371	sub init {	1926	sub init {
1372	my ($self) = @_;	1927	my ($self) = @_;
…		…
1394		1949
1395	# the temporary/swap location	1950	# the temporary/swap location
1396	sub save_path {	1951	sub save_path {
1397	my ($self) = @_;	1952	my ($self) = @_;
1398		1953
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1401	}	1956	}
1402		1957
1403	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1404	sub uniq_path {	1959	sub uniq_path {
1405	my ($self) = @_;	1960	my ($self) = @_;
1406		1961
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1409	}	1964	}
1410		1965
1411	# and all this just because we cannot iterate over	1966	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1967	my ($self) = @_;
1415		1968
1416	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1418	}	1972	}
1419		1973
1420	sub unlink_save {	1974	sub unlink_save {
1421	my ($self) = @_;	1975	my ($self) = @_;
1422		1976
…		…
1427		1981
1428	sub load_header_from($) {	1982	sub load_header_from($) {
1429	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1430		1984
1431	utf8::encode $path;	1985	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1437		1994
1438	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1439		1996
1440	1	1997	1
1441	}	1998	}
…		…
1480	$self->load_header_orig	2037	$self->load_header_orig
1481	or return;	2038	or return;
1482	$self->prepare_orig;	2039	$self->prepare_orig;
1483	}	2040	}
1484		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
1485	$self->default_region (cf::region::find_by_path $self->{path})	2045	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2046	unless $self->default_region;
1487		2047
1488	1	2048	1
1489	}	2049	}
…		…
1492	sub find {	2052	sub find {
1493	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1494		2054
1495	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1496		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2059
1499	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1502	or return;	2062	or return;
1503		2063
1504	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1505		2065
1506	$map->load_header	2066	$map->load_header
1507	or return;	2067	or return;
1508		2068
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1512	$map->reset;	2074	$map->reset;
1513	undef $guard;
1514	return find $path;	2075	return find $path;
1515	}	2076	}
1516		2077
1517	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1518	}	2079	}
1519	}	2080	}
1520		2081
1521	sub pre_load { }	2082	sub pre_load { }
1522	sub post_load { }	2083	#sub post_load { } # XS
1523		2084
1524	sub load {	2085	sub load {
1525	my ($self) = @_;	2086	my ($self) = @_;
1526		2087
1527	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1528		2089
1529	my $path = $self->{path};	2090	my $path = $self->{path};
1530		2091
1531	{	2092	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1533		2094
		2095	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2097
1536	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1537		2099
1538	$self->alloc;	2100	$self->alloc;
1539		2101
1540	$self->pre_load;	2102	$self->pre_load;
1541	Coro::cede;	2103	cf::cede_to_tick;
1542		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1544	or return;	2108	or return;
1545		2109
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1547	if delete $self->{load_original};	2111	if delete $self->{load_original};
1548		2112
1549	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2114	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2117	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1554	}	2121	}
1555	}	2122	}
1556		2123
1557	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1558	# now do the right thing for maps	2127	# now do the right thing for maps
1559	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2130	unless $self->difficulty;
1562	Coro::cede;	2131	cf::cede_to_tick;
1563		2132
1564	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2134	$self->decay_objects;
1566	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1567	$self->update_buttons;	2136	$self->update_buttons;
1568	Coro::cede;	2137	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2138	$self->activate;
1572	}	2139	}
1573		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2145	}
1576		2146
1577	$self->post_load;	2147	$self->post_load;
1578	}	2148	}
1579		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2153	sub customise_for {
1581	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1582		2155
1583	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2157	if $self->per_player;
1585		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1586	$self	2162	$self
1587	}	2163	}
1588		2164
1589	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2166	sub load_neighbours {
1591	my ($map) = @_;	2167	my ($map) = @_;
1592		2168
1593	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1594		2170
1595	for (0 .. 3) {	2171	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1597	or next;	2173	or next;
1598	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1599	or next;	2175	or next;
1600	$neigh->load;	2176	$neigh->load;
1601		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2182	}
1605		2183
1606	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1608	or next;	2187	or next;
1609	$neigh->load;	2188	$neigh->load;
1610	}	2189	}
1611	}	2190	}
1612		2191
1613	sub find_sync {	2192	sub find_sync {
1614	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1615		2194
1616	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1617	}	2199	}
1618		2200
1619	sub do_load_sync {	2201	sub do_load_sync {
1620	my ($map) = @_;	2202	my ($map) = @_;
1621		2203
1622	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
1623	}	2208	}
1624		2209
1625	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1627		2212
1628	sub find_async {	2213	sub find_async {
1629	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1630		2215
1631	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1632		2217
1633	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2220	}
1636		2221
1637	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1638	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1639	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2229	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2230	$map->load if $v;
		2231	}
1644		2232
1645	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1646	}	2234	}
1647	}	2235	}
1648	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1649	};	2237	};
1650	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1651		2239
1652	()	2240	()
1653	}	2241	}
1654		2242
		2243	# common code, used by both ->save and ->swapout
1655	sub save {	2244	sub _save {
1656	my ($self) = @_;	2245	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2246
1660	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1661		2248
1662	return unless $self->dirty;	2249	return unless $self->dirty;
1663		2250
…		…
1669	return if $self->{deny_save};	2256	return if $self->{deny_save};
1670		2257
1671	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1672		2259
1673	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1675	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1676		2266
1677	if ($uniq) {	2267	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2270	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2272	}
1683	}	2273	}
1684		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1685	sub swap_out {	2283	sub swap_out {
1686	my ($self) = @_;	2284	my ($self) = @_;
1687		2285
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1693	return if $self->players;	2290	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
1697	$self->clear;	2301	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2302	}
1700		2303
1701	sub reset_at {	2304	sub reset_at {
1702	my ($self) = @_;	2305	my ($self) = @_;
1703		2306
1704	# TODO: safety, remove and allow resettable per-player maps	2307	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2308	return 1e99 if $self->{deny_reset};
1707		2309
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2310	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2311	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2312
…		…
1721	my ($self) = @_;	2323	my ($self) = @_;
1722		2324
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2326
1725	return if $self->players;	2327	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2328
1728	warn "resetting map ", $self->path;#d#	2329	cf::trace "resetting map ", $self->path, "\n";
1729		2330
1730	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
1731		2332
1732	# need to save uniques path	2333	# need to save uniques path
1733	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2338	if $uniq;
1738	}	2339	}
1739		2340
1740	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1741		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2345	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2346
1746	$self->unlink_save;	2347	$self->unlink_save;
1747	$self->destroy;	2348	$self->destroy;
1748	}	2349	}
1749		2350
1750	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1751		2352
1752	sub nuke {	2353	sub nuke {
1753	my ($self) = @_;	2354	my ($self) = @_;
1754		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1755	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1756		2360
1757	$self->unlink_save;	2361	$self->unlink_save;
1758		2362
1759	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2368
1765	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1766		2371
1767	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
		2373	}
		2374
		2375	=item $maps = cf::map::tmp_maps
		2376
		2377	Returns an arrayref with all map paths of currently instantiated and saved
		2378	maps. May block.
		2379
		2380	=cut
		2381
		2382	sub tmp_maps() {
		2383	[
		2384	map {
		2385	utf8::decode $_;
		2386	/\.map$/
		2387	? normalise $_
		2388	: ()
		2389	} @{ aio_readdir $TMPDIR or [] }
		2390	]
		2391	}
		2392
		2393	=item $maps = cf::map::random_maps
		2394
		2395	Returns an arrayref with all map paths of currently instantiated and saved
		2396	random maps. May block.
		2397
		2398	=cut
		2399
		2400	sub random_maps() {
		2401	[
		2402	map {
		2403	utf8::decode $_;
		2404	/\.map$/
		2405	? normalise "?random/$_"
		2406	: ()
		2407	} @{ aio_readdir $RANDOMDIR or [] }
		2408	]
1768	}	2409	}
1769		2410
1770	=item cf::map::unique_maps	2411	=item cf::map::unique_maps
1771		2412
1772	Returns an arrayref of paths of all shared maps that have	2413	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2414	instantiated unique items. May block.
1774		2415
1775	=cut	2416	=cut
1776		2417
1777	sub unique_maps() {	2418	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2419	[
1779	or return;	2420	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2421	utf8::decode $_;
1785	next if /\.pst$/;	2422	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2424	? ()
1788	push @paths, cf::map::normalise $_;	2425	: normalise $_
		2426	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2427	]
1790
1791	\@paths
1792	}	2428	}
1793		2429
1794	package cf;	2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
		2451	s/\.map$// or next;
		2452	utf8::decode $_;
		2453	push @maps, "$dir/$_";
		2454	}
		2455
		2456	push @dirs, map "$dir/$_", @$dirs;
		2457	}
		2458
		2459	\@maps
		2460	}
1795		2461
1796	=back	2462	=back
1797		2463
1798	=head3 cf::object	2464	=head3 cf::object
1799		2465
…		…
1803		2469
1804	=over 4	2470	=over 4
1805		2471
1806	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
1807		2473
1808	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
1809		2476
1810	=cut	2477	=cut
1811		2478
1812	sub inv_recursive_;	2479	sub inv_recursive_;
1813	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
1816		2483
1817	sub inv_recursive {	2484	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
1819	}	2486	}
1820		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
		2514	}
		2515
1821	package cf;	2516	package cf;
1822		2517
1823	=back	2518	=back
1824		2519
1825	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2527	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1834		2529
1835	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
1836		2545
1837	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2547	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1842		2551
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2553
1845	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1847	} else {	2557	} else {
		2558	my $pl = $self->contr;
		2559
		2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2561	my $dialog = $pl->{npc_dialog};
		2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2563
		2564	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1850	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
1851	}	2579	}
1852		2580
1853	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1854		2582
1855	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1868		2596
1869	=item $player_object->enter_link	2597	=item $player_object->enter_link
1870		2598
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2600
1873	The player should be reasonably safe there for short amounts of time. You	2601	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
1875		2605
1876	Will never block.	2606	Will never block.
1877		2607
1878	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1879		2609
…		…
1899	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2630	my ($self) = @_;
1901		2631
1902	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1903		2633
		2634	++$self->{_link_recursion};
		2635
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2637
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2639	if $self->map && $self->map->{path} ne "{link}";
1908		2640
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2642	}
1911		2643
1912	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
1914		2646
…		…
1931	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
1933		2665
1934	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
1937		2669
1938	$map->load;	2670	$map->load;
1939	$map->load_diag;	2671	$map->load_neighbours;
1940		2672
1941	return unless $self->contr->active;	2673	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2674
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
1946	}	2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
		2680	$self->activate_recursive;
		2681	}
1947		2682
		2683	}
		2684
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2686
1950	Moves the player to the given map-path and coordinates by first freezing	2687	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2688	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2689	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
1954		2695
1955	=cut	2696	=cut
1956		2697
1957	our $GOTOGEN;	2698	our $GOTOGEN;
1958		2699
1959	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
1961		2708
1962	# do generation counting so two concurrent goto's will be executed in-order	2709	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2711
1965	$self->enter_link;	2712	$self->enter_link;
1966		2713
1967	(async {	2714	(async {
		2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
1968	my $map = eval {	2736	my $map = eval {
1969	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
1970		2738
1971	if ($map) {	2739	if ($map) {
1972	$map = $map->customise_for ($self);	2740	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2741	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2742	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2744	}
1977		2745
1978	$map	2746	$map
1979	};	2747	};
1980		2748
…		…
1985		2753
1986	if ($gen == $self->{_goto_generation}) {	2754	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2755	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
1989	}	2757	}
		2758
		2759	$done->($self) if $done;
1990	})->prio (1);	2760	})->prio (1);
1991	}	2761	}
1992		2762
1993	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
1994		2764
…		…
2014	}	2784	}
2015		2785
2016	sub prepare_random_map {	2786	sub prepare_random_map {
2017	my ($exit) = @_;	2787	my ($exit) = @_;
2018		2788
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2791	# that depends on the exit object
2024		2792
2025	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2795	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
2032	}	2802	}
2033		2803
2034	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
2035		2805
2036	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
2039		2809
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2812	undef $fh;
2043	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
2044		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
2047	}	2821	}
2048	}	2822	}
2049		2823
2050	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
2052		2826
2053	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
2054		2828
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2829	$self->enter_link;
2067		2830
2068	(async {	2831	(async {
2069	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
2070	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
		2841	prepare_random_map $exit
		2842	if $exit->slaying eq "/!";
		2843	}
		2844
		2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
		2848
2071	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
2072		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
2073	1;	2855	1
2074	}) {	2856	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2861
2080	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	2863	$self->leave_link;
2082	}	2864	}
2083	})->prio (1);	2865	})->prio (1);
2084	}	2866	}
2085		2867
…		…
2099		2881
2100	utf8::encode $text;	2882	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2884	}
2103		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
		2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2912
		2913	Send a drawinfo or msg packet to the client, formatting the msg for the
		2914	client if neccessary. C<$type> should be a string identifying the type of
		2915	the message, with C<log> being the default. If C<$color> is negative, suppress
		2916	the message unless the client supports the msg packet.
		2917
		2918	=cut
		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
		3034	sub cf::client::send_msg {
		3035	my ($self, $channel, $msg, $color, @extra) = @_;
		3036
		3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
		3058
		3059	return unless @extra || length $msg;
		3060
		3061	# default colour, mask it out
		3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3063	if $color & cf::NDI_DEF;
		3064
		3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
		3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3068	);
		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
2104	=item $client->ext_event ($type, %msg)	3073	=item $client->ext_msg ($type, @msg)
2105		3074
2106	Sends an exti event to the client.	3075	Sends an ext event to the client.
2107		3076
2108	=cut	3077	=cut
2109		3078
2110	sub cf::client::ext_event($$%) {	3079	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3080	my ($self, $type, @msg) = @_;
2112		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3085	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
2115	}	3106	}
2116		3107
2117	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2118		3109
2119	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3111	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3112	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		3113
2123	Queries can fail, so check the return code. Or don't, as queries will become	3114	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	3115	become reliable at some point in the future.
2125		3116
2126	=cut	3117	=cut
2127		3118
2128	sub cf::client::query {	3119	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3128	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3130
2140	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
2142	}	3135	}
2143		3136
2144	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
2145	on_reply => sub {	3143	on_reply => sub {
2146	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
2147		3145
2148	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
2149	# get handled first	3147	# get handled first
…		…
2161	} else {	3159	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3161	}
2164	}	3162	}
2165	},	3163	},
		3164	on_exticmd => sub {
		3165	my ($ns, $buf) = @_;
		3166
		3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3168
		3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
		3177	if (my $cb = $EXTICMD{$type}) {
		3178	@reply = $cb->($ns, @payload);
		3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
		3184	} else {
		3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3186	}
		3187
		3188	cf::override;
		3189	},
2166	);	3190	);
2167		3191
2168	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
2169		3193
2170	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3210
2187	$coro	3211	$coro
2188	}	3212	}
2189		3213
2190	cf::client->attach (	3214	cf::client->attach (
2191	on_destroy => sub {	3215	on_client_destroy => sub {
2192	my ($ns) = @_;	3216	my ($ns) = @_;
2193		3217
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3219	},
2196	);	3220	);
…		…
2211	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2213		3237
2214	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2215		3239
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2217		3245
2218	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2219		3247
2220	=pod	3248	=pod
2221		3249
2222	The following functions and methods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2223		3251
2224	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
2225	cf::object::player player	3257	cf::object::player
2226	cf::player peaceful	3258	player
2227	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2228		3265
2229	=cut	3266	=cut
2230		3267
2231	for (	3268	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2236	) {	3275	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3278	for @funs;
2241	}	3279	}
2242		3280
…		…
2257		3295
2258	my $qcode = $code;	3296	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2261		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2262	local $_;	3303	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3304
2265	my $eval =	3305	my $eval =
2266	"do {\n"	3306	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3309	. $code
2270	. "\n}"	3310	. "\n}"
2271	;	3311	;
2272		3312
		3313	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2276		3322
2277	if ($@) {	3323	if ($@) {
2278	warn "$@";	3324	warn "$@",
2279	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2281	}	3327	}
2282		3328
2283	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2284	}	3330	}
2285		3331
…		…
2299	=cut	3345	=cut
2300		3346
2301	sub register_script_function {	3347	sub register_script_function {
2302	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2303		3349
2304	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2306	}	3352	}
2307		3353
2308	=back	3354	=back
2309		3355
2310	=cut	3356	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3357
2484	#############################################################################	3358	#############################################################################
2485	# the server's init and main functions	3359	# the server's init and main functions
2486		3360
2487	sub load_facedata($) {	3361	sub load_facedata($) {
2488	my ($path) = @_;	3362	my ($path) = @_;
2489		3363
		3364	# HACK to clear player env face cache, we need some signal framework
		3365	# for this (global event?)
		3366	%ext::player_env::MUSIC_FACE_CACHE = ();
		3367
		3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3369
2490	warn "loading facedata from $path\n";	3370	trace "loading facedata from $path\n";
2491		3371
2492	my $facedata;	3372	my $facedata;
2493	0 < aio_load $path, $facedata	3373	0 < aio_load $path, $facedata
2494	or die "$path: $!";	3374	or die "$path: $!";
2495		3375
2496	$facedata = Coro::Storable::thaw $facedata;	3376	$facedata = Coro::Storable::thaw $facedata;
2497		3377
2498	$facedata->{version} == 2	3378	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3380
		3381	# patch in the exptable
		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3383	$facedata->{resource}{"res/exp_table"} = {
		3384	type => FT_RSRC,
		3385	data => $exp_table,
		3386	hash => (Digest::MD5::md5 $exp_table),
		3387	};
		3388	cf::cede_to_tick;
		3389
2501	{	3390	{
2502	my $faces = $facedata->{faceinfo};	3391	my $faces = $facedata->{faceinfo};
2503		3392
2504	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3400
		3401	cf::cede_to_tick;
2510	}	3402	}
2511		3403
2512	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2514	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
2515	or next;	3408	or next;
		3409
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3413	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3414	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3415	}
2521	Coro::cede;	3416
		3417	cf::cede_to_tick;
2522	}	3418	}
2523	}	3419	}
2524		3420
2525	{	3421	{
2526	my $anims = $facedata->{animinfo};	3422	my $anims = $facedata->{animinfo};
2527		3423
2528	while (my ($anim, $info) = each %$anims) {	3424	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3426	cf::cede_to_tick;
2531	}	3427	}
2532		3428
2533	cf::anim::invalidate_all; # d'oh	3429	cf::anim::invalidate_all; # d'oh
2534	}	3430	}
2535		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
2536	1	3451	1
2537	}	3452	}
2538		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
		3462	sub load_resource_file($) {
		3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
2539	sub reload_regions {	3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
2540	load_resource_file "$MAPDIR/regions"	3477	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3478	or die "unable to load regions file\n";
		3479
		3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
2542	}	3484	}
2543		3485
2544	sub reload_facedata {	3486	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3487	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3488	or die "unable to load facedata\n";
…		…
2554	sub reload_treasures {	3496	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3497	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3498	or die "unable to load treasurelists\n";
2557	}	3499	}
2558		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
		3511	or next;
		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
		3522	}
		3523
2559	sub reload_resources {	3524	sub reload_resources {
2560	warn "reloading resource files...\n";	3525	trace "reloading resource files...\n";
2561		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
2562	reload_regions;	3530	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3531	reload_treasures;
2566		3532
2567	warn "finished reloading resource files\n";	3533	trace "finished reloading resource files\n";
2568	}	3534	}
2569		3535
2570	sub init {	3536	sub reload_config {
2571	reload_resources;	3537	trace "reloading config file...\n";
2572	}
2573		3538
2574	sub cfg_load {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3540	or return;
2577		3541
2578	local $/;	3542	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2580		3544
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3546
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2585		3549
2586	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2588	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2589	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2590	};	3554	};
2591	warn $@ if $@;	3555	warn $@ if $@;
2592	}	3556	}
		3557
		3558	trace "finished reloading resource files\n";
		3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2593	}	3587	}
2594		3588
2595	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
2596	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3602	(async {
2600	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2602	};	3606	};
2603		3607
2604	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
		3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
2605	db_init;	3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
2606	load_extensions;	3631	load_extensions;
2607		3632
2608	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2609	Event::loop;	3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
2610	}	3646	}
2611		3647
2612	#############################################################################	3648	#############################################################################
2613	# initialisation and cleanup	3649	# initialisation and cleanup
2614		3650
2615	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2616	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2625	},
2626	);	3657	};
		3658	}
		3659	}
		3660
		3661	sub write_runtime_sync {
		3662	my $t0 = AE::time;
		3663
		3664	# first touch the runtime file to show we are still running:
		3665	# the fsync below can take a very very long time.
		3666
		3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3668
		3669	my $guard = cf::lock_acquire "write_runtime";
		3670
		3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3672	or return;
		3673
		3674	my $value = $cf::RUNTIME + 90 + 10;
		3675	# 10 is the runtime save interval, for a monotonic clock
		3676	# 60 allows for the watchdog to kill the server.
		3677
		3678	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3679	and return;
		3680
		3681	# always fsync - this file is important
		3682	aio_fsync $fh
		3683	and return;
		3684
		3685	# touch it again to show we are up-to-date
		3686	aio_utime $fh, undef, undef;
		3687
		3688	close $fh
		3689	or return;
		3690
		3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3692	and return;
		3693
		3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3695
2627	}	3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
2628	}	3747	}
2629		3748
2630	sub emergency_save() {	3749	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2632		3751
2633	warn "enter emergency perl save\n";	3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
2634		3758
2635	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2636	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3770	$pl->save;
2644	}	3771	}
2645	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2646		3773
2647	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3779	$map->valid or next;
2651	$map->save;	3780	$map->save;
2652	}	3781	}
2653	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2654		3783
2655	warn "begin emergency database checkpoint\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
2658	};	3812	};
2659		3813
2660	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2661	}	3815	}
2662		3816
2663	sub post_cleanup {	3817	sub post_cleanup {
2664	my ($make_core) = @_;	3818	my ($make_core) = @_;
2665		3819
		3820	IO::AIO::flush;
		3821
2666	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3823	if $make_core;
		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
2668	}	3852	}
2669		3853
2670	sub do_reload_perl() {	3854	sub do_reload_perl() {
2671	# can/must only be called in main	3855	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2673	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2674	return;	3858	return;
2675	}	3859	}
2676		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2677	warn "reloading...";	3866	info "reloading...";
2678		3867
2679	warn "entering sync_job";	3868	trace "entering sync_job";
2680		3869
2681	cf::sync_job {	3870	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark
2683	cf::emergency_save;	3871	cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark
2685		3872
2686	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;
2688
2689	# if anything goes wrong in here, we should simply crash as we already saved
2690
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();	3875	%EXT_CORO = ();
2710		3876
2711	warn "removing commands";	3877	trace "removing commands";
2712	%COMMAND = ();	3878	%COMMAND = ();
2713		3879
2714	warn "removing ext commands";	3880	trace "removing ext/exti commands";
2715	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2716		3883
2717	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2720		3887
2721	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2722	eval {	3889	eval {
2723	$cb->($pkg);	3890	$cb->($pkg);
2724	1	3891	1
2725	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
2726	}	3897	}
2727		3898
2728	warn "... nuking $pkg";
2729	Symbol::delete_package $pkg;
2730	}
2731
2732	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2733	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3902
2736	warn "... unloading $k";	3903	trace "... unloading $k";
2737	delete $INC{$k};	3904	delete $INC{$k};
2738		3905
2739	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2741		3908
2742	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2743	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2744	}	3914	}
2745		3915
2746	Symbol::delete_package $k;
2747	}
2748
2749	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		3919
2753	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		3923
2757	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2758	# and global variables created in xs	3925	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2760		3927
2761	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
2762		3929
2763	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2764	require cf;	3931	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2766		3933
2767	warn "loading config and database again";	3934	trace "loading config and database again";
2768	cf::cfg_load;	3935	cf::reload_config;
2769		3936
2770	warn "loading extensions";	3937	trace "loading extensions";
2771	cf::load_extensions;	3938	cf::load_extensions;
2772		3939
		3940	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
2776	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
2779		3948
		3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
		3951
2780	warn "leaving sync_job";	3952	trace "leaving sync_job";
2781		3953
2782	1	3954	1
2783	} or do {	3955	} or do {
2784	warn $@;	3956	error $@;
2785	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
2786	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
2787	};	3962	}
2788		3963
2789	warn "reloaded";	3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
2790	};	3966	};
2791		3967
2792	our $RELOAD_WATCHER; # used only during reload	3968	our $RELOAD_WATCHER; # used only during reload
2793		3969
2794	sub reload_perl() {	3970	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	3971	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	3972	# coro crashes during coro_state_free->destroy here.
2797		3973
2798	$RELOAD_WATCHER ||= Event->timer (	3974	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	3975	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	3976
2801	data => WF_AUTOCANCEL,	3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	3978	do_reload_perl;
2804	undef $RELOAD_WATCHER;	3979	undef $RELOAD_WATCHER;
2805	},	3980	};
2806	);	3981	};
2807	}	3982	}
2808		3983
2809	register_command "reload" => sub {	3984	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2811		3986
2812	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
		3989	async {
		3990	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	3991	reload_perl;
		3992	};
2815	}	3993	}
2816	};	3994	};
2817		3995
2818	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2819		3997
…		…
2821		3999
2822	our @WAIT_FOR_TICK;	4000	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	4001	our @WAIT_FOR_TICK_BEGIN;
2824		4002
2825	sub wait_for_tick {	4003	sub wait_for_tick {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2828		4005
2829	my $signal = new Coro::Signal;	4006	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	4007	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	4008	$signal->wait;
2832	}	4009	}
2833		4010
2834	sub wait_for_tick_begin {	4011	sub wait_for_tick_begin {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2837		4013
2838	my $signal = new Coro::Signal;	4014	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4015	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4016	$signal->wait;
2841	}	4017	}
2842		4018
2843	my $min = 1e6;#d#	4019	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
2855	return;	4023	return;
2856	}	4024	}
2857		4025
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2861		4027
2862	0 && sync_job {#d#	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2863	for(1..10) {
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867		4029
2868	$map->width (50);	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2869	$map->height (50);	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2870	$map->alloc;	4032	Coro::async_pool {
2871	$map->_load_objects ("/tmp/x.map", 1);	4033	$Coro::current->{desc} = "runtime saver";
2872	my $t = Event::time - $t;	4034	write_runtime_sync
2873		4035	or error "ERROR: unable to write runtime file: $!";
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4036	};
		4037	}
2884		4038
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4040	$sig->send;
2901	}	4041	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4042	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	4043	$sig->send;
2904	}	4044	}
2905		4045
2906	$NOW = Event::time;	4046	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4048
2917	_post_tick;	4049	if (0) {
2918		4050	if ($NEXT_TICK) {
2919		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
2920	},	4055	}
2921	);	4056	}
2922		4057
2923	{	4058	{
2924	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4060
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
2934		4062	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4064
2950	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		4072
2953	cf::sync_job {	4073	cf::sync_job {
2954	eval {	4074	eval {
2955	BDB::db_env_open	4075	BDB::db_env_open
2956	$DB_ENV,	4076	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4080	0666;
2961		4081
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4083	};
2967		4084
2968	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4086	};
2970	}	4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
2971	}	4098	}
2972		4099
2973	{	4100	{
		4101	# configure IO::AIO
		4102
2974	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4106	}
2987		4107
2988	my $_log_backtrace;	4108	my $_log_backtrace;
2989		4109
2990	sub _log_backtrace {	4110	sub _log_backtrace {
…		…
2993	$msg =~ s/\n//;	4113	$msg =~ s/\n//;
2994		4114
2995	# limit the # of concurrent backtraces	4115	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4116	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
2998	async {	4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
2999	my @bt = fork_call {	4122	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4123	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4126	or die "addr2line: $!";
…		…
3011	}	4134	}
3012		4135
3013	@funcs	4136	@funcs
3014	};	4137	};
3015		4138
3016	LOG llevInfo, "[ABT] $msg\n";	4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4141	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4142	--$_log_backtrace;
3019	};	4143	};
3020	} else {	4144	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4145	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4146	LOG llevInfo, "[ABT] [suppressed]\n";
3023	}	4147	}
3024	}	4148	}
3025		4149
3026	# load additional modules	4150	# load additional modules
3027	use cf::pod;	4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
3028		4153
3029	END { cf::emergency_save }	4154	END { cf::emergency_save }
3030		4155
3031	1	4156	1
3032		4157

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